<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
<!--Generated by ThunderDome XBRL - 11:15PM UTC 2026-08-13--><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:country="http://xbrl.sec.gov/country/2026" xmlns:currency="http://xbrl.sec.gov/currency/2026" xmlns:cyd="http://xbrl.sec.gov/cyd/2026" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:ecd="http://xbrl.sec.gov/ecd/2026" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:exch="http://xbrl.sec.gov/exch/2026" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:naics="http://xbrl.sec.gov/naics/2026" xmlns:sic="http://xbrl.sec.gov/sic/2026" xmlns:srt="http://fasb.org/srt/2026" xmlns:srt-types="http://fasb.org/srt-types/2026" xmlns:stpr="http://xbrl.sec.gov/stpr/2026" xmlns:sxi="http://www.standex.com/20260630" xmlns:us-gaap="http://fasb.org/us-gaap/2026" xmlns:us-types="http://fasb.org/us-types/2026" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.standex.com/20260630">
  <xsd:import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/ecd/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/exch/2026" schemaLocation="https://xbrl.sec.gov/exch/2026/exch-2026.xsd"/>
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/currency/2026" schemaLocation="https://xbrl.sec.gov/currency/2026/currency-2026.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/country/2026" schemaLocation="https://xbrl.sec.gov/country/2026/country-2026.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/naics/2026" schemaLocation="https://xbrl.sec.gov/naics/2026/naics-2026.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xsd:import namespace="http://xbrl.org/2020/extensible-enumerations-2.0" schemaLocation="https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2026" schemaLocation="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/cyd-af-sub/2026" schemaLocation="https://xbrl.sec.gov/cyd/2026/cyd-af-sub-2026.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/sic/2026" schemaLocation="https://xbrl.sec.gov/sic/2026/sic-2026.xsd"/>
  <xsd:import namespace="http://fasb.org/us-types/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-types-2026.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xsd:import namespace="http://fasb.org/srt-types/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd"/>
  <xsd:import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sxi-20260630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sxi-20260630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sxi-20260630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sxi-20260630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="statement-document-and-entity-information" roleURI="http://www.standex.com/20260630/role/statement-document-and-entity-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">000 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-balance-sheets" roleURI="http://www.standex.com/20260630/role/statement-consolidated-balance-sheets">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">001 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-balance-sheets-parentheticals" roleURI="http://www.standex.com/20260630/role/statement-consolidated-balance-sheets-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">002 - Statement - Consolidated Balance Sheets (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-operations" roleURI="http://www.standex.com/20260630/role/statement-consolidated-statements-of-operations">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">003 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-comprehensive-income-loss" roleURI="http://www.standex.com/20260630/role/statement-consolidated-statements-of-comprehensive-income-loss">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">004 - Statement - Consolidated Statements of Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-stockholders-equity" roleURI="http://www.standex.com/20260630/role/statement-consolidated-statements-of-stockholders-equity">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">005 - Statement - Consolidated Statements of Stockholders' Equity</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-stockholders-equity-parentheticals" roleURI="http://www.standex.com/20260630/role/statement-consolidated-statements-of-stockholders-equity-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">006 - Statement - Consolidated Statements of Stockholders' Equity (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-cash-flows" roleURI="http://www.standex.com/20260630/role/statement-consolidated-statements-of-cash-flows">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">007 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995552 - Disclosure - Note 1 - Summary of Accounting Policies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995553 - Disclosure - Note 2 - Acquisitions</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-revenue-from-contracts-with-customers" roleURI="http://www.standex.com/20260630/role/statement-note-3-revenue-from-contracts-with-customers">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995554 - Disclosure - Note 3 - Revenue From Contracts With Customers</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-inventories" roleURI="http://www.standex.com/20260630/role/statement-note-4-inventories">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995555 - Disclosure - Note 4 - Inventories</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-plant-and-equipment" roleURI="http://www.standex.com/20260630/role/statement-note-5-property-plant-and-equipment">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995556 - Disclosure - Note 5 - Property, Plant and Equipment</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-goodwill" roleURI="http://www.standex.com/20260630/role/statement-note-6-goodwill">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995557 - Disclosure - Note 6 - Goodwill</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets" roleURI="http://www.standex.com/20260630/role/statement-note-7-intangible-assets">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995558 - Disclosure - Note 7 - Intangible Assets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-debt" roleURI="http://www.standex.com/20260630/role/statement-note-8-debt">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995559 - Disclosure - Note 8 - Debt</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-accrued-liabilities" roleURI="http://www.standex.com/20260630/role/statement-note-9-accrued-liabilities">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995560 - Disclosure - Note 9 - Accrued Liabilities</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995561 - Disclosure - Note 10 - Derivative Financial Instruments</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995562 - Disclosure - Note 11 - Income Taxes</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-contingencies" roleURI="http://www.standex.com/20260630/role/statement-note-12-contingencies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995563 - Disclosure - Note 12 - Contingencies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-stockbased-compensation-and-purchase-plans" roleURI="http://www.standex.com/20260630/role/statement-note-13-stockbased-compensation-and-purchase-plans">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995564 - Disclosure - Note 13 - Stock-based Compensation and Purchase Plans</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-accumulated-other-comprehensive-income-loss" roleURI="http://www.standex.com/20260630/role/statement-note-14-accumulated-other-comprehensive-income-loss">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995565 - Disclosure - Note 14 - Accumulated Other Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-restructuring" roleURI="http://www.standex.com/20260630/role/statement-note-15-restructuring">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995566 - Disclosure - Note 15 - Restructuring</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995567 - Disclosure - Note 16 - Employee Benefit Plans</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-industry-segment-information" roleURI="http://www.standex.com/20260630/role/statement-note-17-industry-segment-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995568 - Disclosure - Note 17 - Industry Segment Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-divestitures" roleURI="http://www.standex.com/20260630/role/statement-note-18-divestitures">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995569 - Disclosure - Note 18 - Divestitures</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-discontinued-operations" roleURI="http://www.standex.com/20260630/role/statement-note-19-discontinued-operations">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995570 - Disclosure - Note 19 - Discontinued Operations</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995571 - Disclosure - Note 20 - Leases</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-21-redeemable-noncontrolling-interest" roleURI="http://www.standex.com/20260630/role/statement-note-21-redeemable-noncontrolling-interest">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995572 - Disclosure - Note 21 - Redeemable Noncontrolling Interest</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-significant-accounting-policies-policies" roleURI="http://www.standex.com/20260630/role/statement-significant-accounting-policies-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995576 - Disclosure - Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-tables" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995577 - Disclosure - Note 1 - Summary of Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions-tables" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995578 - Disclosure - Note 2 - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-revenue-from-contracts-with-customers-tables" roleURI="http://www.standex.com/20260630/role/statement-note-3-revenue-from-contracts-with-customers-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995579 - Disclosure - Note 3 - Revenue From Contracts With Customers (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-inventories-tables" roleURI="http://www.standex.com/20260630/role/statement-note-4-inventories-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995580 - Disclosure - Note 4 - Inventories (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-plant-and-equipment-tables" roleURI="http://www.standex.com/20260630/role/statement-note-5-property-plant-and-equipment-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995581 - Disclosure - Note 5 - Property, Plant and Equipment (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-goodwill-tables" roleURI="http://www.standex.com/20260630/role/statement-note-6-goodwill-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995582 - Disclosure - Note 6 - Goodwill (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-tables" roleURI="http://www.standex.com/20260630/role/statement-note-7-intangible-assets-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995583 - Disclosure - Note 7 - Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-debt-tables" roleURI="http://www.standex.com/20260630/role/statement-note-8-debt-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995584 - Disclosure - Note 8 - Debt (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-accrued-liabilities-tables" roleURI="http://www.standex.com/20260630/role/statement-note-9-accrued-liabilities-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995585 - Disclosure - Note 9 - Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-tables" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995586 - Disclosure - Note 10 - Derivative Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-tables" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995587 - Disclosure - Note 11 - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-stockbased-compensation-and-purchase-plans-tables" roleURI="http://www.standex.com/20260630/role/statement-note-13-stockbased-compensation-and-purchase-plans-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995588 - Disclosure - Note 13 - Stock-based Compensation and Purchase Plans (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-accumulated-other-comprehensive-income-loss-tables" roleURI="http://www.standex.com/20260630/role/statement-note-14-accumulated-other-comprehensive-income-loss-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995589 - Disclosure - Note 14 - Accumulated Other Comprehensive Income (Loss) (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-restructuring-tables" roleURI="http://www.standex.com/20260630/role/statement-note-15-restructuring-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995590 - Disclosure - Note 15 - Restructuring (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-tables" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995591 - Disclosure - Note 16 - Employee Benefit Plans (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-industry-segment-information-tables" roleURI="http://www.standex.com/20260630/role/statement-note-17-industry-segment-information-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995592 - Disclosure - Note 17 - Industry Segment Information (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-divestitures-tables" roleURI="http://www.standex.com/20260630/role/statement-note-18-divestitures-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995593 - Disclosure - Note 18 - Divestitures (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-discontinued-operations-tables" roleURI="http://www.standex.com/20260630/role/statement-note-19-discontinued-operations-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995594 - Disclosure - Note 19 - Discontinued Operations (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases-tables" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995595 - Disclosure - Note 20 - Leases (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995596 - Disclosure - Note 1 - Summary of Accounting Policies (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-changes-in-allowances-for-uncollectible-accounts-details" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-changes-in-allowances-for-uncollectible-accounts-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995597 - Disclosure - Note 1 - Summary of Accounting Policies - Changes in Allowances for Uncollectible Accounts (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-useful-lives-of-property-plant-and-equipment-details" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-useful-lives-of-property-plant-and-equipment-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995598 - Disclosure - Note 1 - Summary of Accounting Policies - Useful Lives of Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-useful-lives-of-intangible-assets-details" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-useful-lives-of-intangible-assets-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995599 - Disclosure - Note 1 - Summary of Accounting Policies - Useful Lives of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-fair-values-of-financial-instruments-details" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-fair-values-of-financial-instruments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995600 - Disclosure - Note 1 - Summary of Accounting Policies - Fair Values of Financial Instruments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-changes-in-warranty-reserve-details" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-changes-in-warranty-reserve-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995601 - Disclosure - Note 1 - Summary of Accounting Policies - Changes in Warranty Reserve (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-summary-of-accounting-policies-weighted-average-number-of-shares-details" roleURI="http://www.standex.com/20260630/role/statement-note-1-summary-of-accounting-policies-weighted-average-number-of-shares-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995602 - Disclosure - Note 1 - Summary of Accounting Policies - Weighted Average Number of Shares (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995603 - Disclosure - Note 2 - Acquisitions (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-mcstarlite-details" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-mcstarlite-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995604 - Disclosure - Note 2 - Acquisitions - Components of Fair Value of Acquisitions and Allocation of Purchase Price For Acquisition of McStarlite (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-amrannarayan-group-details" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-amrannarayan-group-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995605 - Disclosure - Note 2 - Acquisitions - Components of Fair Value of Acquisitions and Allocation of Purchase Price For Acquisition of Amran-Narayan Group (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions-schedule-of-pro-forma-information-details" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions-schedule-of-pro-forma-information-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995606 - Disclosure - Note 2 - Acquisitions - Schedule of Pro Forma Information (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-acquisitions-undiscounted-cash-flows-expected-to-be-paid-for-operating-leases-with-related-parties-details" roleURI="http://www.standex.com/20260630/role/statement-note-2-acquisitions-undiscounted-cash-flows-expected-to-be-paid-for-operating-leases-with-related-parties-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995607 - Disclosure - Note 2 - Acquisitions - Undiscounted Cash Flows Expected to Be Paid for Operating Leases With Related Parties (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-revenue-from-contracts-with-customers-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-3-revenue-from-contracts-with-customers-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995608 - Disclosure - Note 3 - Revenue From Contracts With Customers (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-revenue-from-contracts-with-customers-revenue-disaggregated-details" roleURI="http://www.standex.com/20260630/role/statement-note-3-revenue-from-contracts-with-customers-revenue-disaggregated-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995609 - Disclosure - Note 3 - Revenue From Contracts With Customers - Revenue Disaggregated (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-revenue-from-contracts-with-customers-contract-assets-and-liabilities-details" roleURI="http://www.standex.com/20260630/role/statement-note-3-revenue-from-contracts-with-customers-contract-assets-and-liabilities-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995610 - Disclosure - Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-inventories-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-4-inventories-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995611 - Disclosure - Note 4 - Inventories (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-inventories-summary-of-inventories-details" roleURI="http://www.standex.com/20260630/role/statement-note-4-inventories-summary-of-inventories-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995612 - Disclosure - Note 4 - Inventories - Summary of Inventories (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-plant-and-equipment-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-5-property-plant-and-equipment-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995613 - Disclosure - Note 5 - Property, Plant and Equipment (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-plant-and-equipment-summary-of-property-plant-and-equipment-details" roleURI="http://www.standex.com/20260630/role/statement-note-5-property-plant-and-equipment-summary-of-property-plant-and-equipment-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995614 - Disclosure - Note 5 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-goodwill-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-6-goodwill-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995615 - Disclosure - Note 6 - Goodwill (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-goodwill-changes-to-goodwill-details" roleURI="http://www.standex.com/20260630/role/statement-note-6-goodwill-changes-to-goodwill-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995616 - Disclosure - Note 6 - Goodwill - Changes to Goodwill (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-7-intangible-assets-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995617 - Disclosure - Note 7 - Intangible Assets (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-summary-of-intangible-assets-details" roleURI="http://www.standex.com/20260630/role/statement-note-7-intangible-assets-summary-of-intangible-assets-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995618 - Disclosure - Note 7 - Intangible Assets - Summary of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-future-amortization-expense-details" roleURI="http://www.standex.com/20260630/role/statement-note-7-intangible-assets-future-amortization-expense-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995619 - Disclosure - Note 7 - Intangible Assets - Future Amortization Expense (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-debt-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-8-debt-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995620 - Disclosure - Note 8 - Debt (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-debt-longterm-debt-details" roleURI="http://www.standex.com/20260630/role/statement-note-8-debt-longterm-debt-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995621 - Disclosure - Note 8 - Debt - Long-term Debt (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-accrued-liabilities-accrued-expenses-details" roleURI="http://www.standex.com/20260630/role/statement-note-9-accrued-liabilities-accrued-expenses-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995622 - Disclosure - Note 9 - Accrued Liabilities - Accrued Expenses (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-accrued-liabilities-accrued-expenses-details-parentheticals" roleURI="http://www.standex.com/20260630/role/statement-note-9-accrued-liabilities-accrued-expenses-details-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995623 - Disclosure - Note 9 - Accrued Liabilities - Accrued Expenses (Details) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995624 - Disclosure - Note 10 - Derivative Financial Instruments (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-fair-value-of-swaps-recognized-in-accrued-liabilities-and-in-other-comprehensive-income-details" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-fair-value-of-swaps-recognized-in-accrued-liabilities-and-in-other-comprehensive-income-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995625 - Disclosure - Note 10 - Derivative Financial Instruments - Fair Value of Swaps Recognized in Accrued Liabilities and in Other Comprehensive Income (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-foreign-currency-exchange-contracts-details" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-foreign-currency-exchange-contracts-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995626 - Disclosure - Note 10 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-balance-sheet-classification-details" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-balance-sheet-classification-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995627 - Disclosure - Note 10 - Derivative Financial Instruments - Balance Sheet Classification (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-gain-loss-recognized-in-comprehensive-income-on-derivative-financial-instruments-details" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-gain-loss-recognized-in-comprehensive-income-on-derivative-financial-instruments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995628 - Disclosure - Note 10 - Derivative Financial Instruments - Gain (Loss) Recognized in Comprehensive Income on Derivative Financial Instruments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-derivative-financial-instruments-details-about-accumulated-other-comprehensive-income-loss-components-details" roleURI="http://www.standex.com/20260630/role/statement-note-10-derivative-financial-instruments-details-about-accumulated-other-comprehensive-income-loss-components-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995629 - Disclosure - Note 10 - Derivative Financial Instruments - Details About Accumulated Other Comprehensive Income (Loss) Components (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995630 - Disclosure - Note 11 - Income Taxes (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-income-loss-from-continuing-operations-before-income-taxes-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-income-loss-from-continuing-operations-before-income-taxes-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995631 - Disclosure - Note 11 - Income Taxes - Income (Loss) From Continuing Operations Before Income Taxes (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-components-of-provision-for-income-taxes-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-components-of-provision-for-income-taxes-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995632 - Disclosure - Note 11 - Income Taxes - Components of Provision for Income Taxes (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-schedule-of-income-taxes-paid-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-schedule-of-income-taxes-paid-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995633 - Disclosure - Note 11 - Income Taxes - Schedule of Income Taxes Paid (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995634 - Disclosure - Note 11 - Income Taxes - Reconciliation of Effective Tax Rate (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details-parentheticals" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995635 - Disclosure - Note 11 - Income Taxes - Reconciliation of Effective Tax Rate (Details) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-deferred-income-taxes-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-deferred-income-taxes-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995636 - Disclosure - Note 11 - Income Taxes - Deferred Income Taxes (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-provision-for-income-taxes-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-provision-for-income-taxes-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995637 - Disclosure - Note 11 - Income Taxes - Provision for Income Taxes (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-unrecognized-tax-benefits-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-unrecognized-tax-benefits-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995638 - Disclosure - Note 11 - Income Taxes - Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-income-taxes-open-income-tax-years-details" roleURI="http://www.standex.com/20260630/role/statement-note-11-income-taxes-open-income-tax-years-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995639 - Disclosure - Note 11 - Income Taxes - Open Income Tax Years (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-stockbased-compensation-and-purchase-plans-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-13-stockbased-compensation-and-purchase-plans-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995640 - Disclosure - Note 13 - Stock-based Compensation and Purchase Plans (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-restricted-stock-awards-activity-details" roleURI="http://www.standex.com/20260630/role/statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-restricted-stock-awards-activity-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995641 - Disclosure - Note 13 - Stock-based Compensation and Purchase Plans - Summary of Restricted Stock Awards Activity (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-stockbased-compensation-and-purchase-plans-assumptions-used-to-estimate-fair-values-details" roleURI="http://www.standex.com/20260630/role/statement-note-13-stockbased-compensation-and-purchase-plans-assumptions-used-to-estimate-fair-values-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995642 - Disclosure - Note 13 - Stock-based Compensation and Purchase Plans - Assumptions Used to Estimate Fair Values (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-awards-activity-under-the-executive-compensation-program-details" roleURI="http://www.standex.com/20260630/role/statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-awards-activity-under-the-executive-compensation-program-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995643 - Disclosure - Note 13 - Stock-based Compensation and Purchase Plans - Summary of Awards Activity Under the Executive Compensation Program (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-accumulated-other-comprehensive-income-loss-components-of-accumulated-other-comprehensive-income-loss-details" roleURI="http://www.standex.com/20260630/role/statement-note-14-accumulated-other-comprehensive-income-loss-components-of-accumulated-other-comprehensive-income-loss-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995644 - Disclosure - Note 14 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-restructuring-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-15-restructuring-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995645 - Disclosure - Note 15 - Restructuring (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-restructuring-summary-of-severance-restructuring-and-related-charges-by-initiative-details" roleURI="http://www.standex.com/20260630/role/statement-note-15-restructuring-summary-of-severance-restructuring-and-related-charges-by-initiative-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995646 - Disclosure - Note 15 - Restructuring - Summary of Severance, Restructuring, and Related Charges by Initiative (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-restructuring-summary-of-activity-in-reserves-related-to-restructuring-initiatives-details" roleURI="http://www.standex.com/20260630/role/statement-note-15-restructuring-summary-of-activity-in-reserves-related-to-restructuring-initiatives-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995647 - Disclosure - Note 15 - Restructuring - Summary of Activity in Reserves Related to Restructuring Initiatives (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-restructuring-summary-of-restructuring-expenses-by-segment-details" roleURI="http://www.standex.com/20260630/role/statement-note-15-restructuring-summary-of-restructuring-expenses-by-segment-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995648 - Disclosure - Note 15 - Restructuring - Summary of Restructuring Expenses by Segment (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995649 - Disclosure - Note 16 - Employee Benefit Plans (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-components-of-net-periodic-benefit-cost-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-components-of-net-periodic-benefit-cost-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995650 - Disclosure - Note 16 - Employee Benefit Plans - Components of Net Periodic Benefit Cost (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-funded-status-for-us-and-foreign-pension-plan-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-funded-status-for-us-and-foreign-pension-plan-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995651 - Disclosure - Note 16 - Employee Benefit Plans - Funded Status for US and Foreign Pension Plan (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-fair-values-of-pension-plans-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-fair-values-of-pension-plans-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995652 - Disclosure - Note 16 - Employee Benefit Plans - Fair Values of Pension Plans (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-asset-allocation-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-asset-allocation-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995653 - Disclosure - Note 16 - Employee Benefit Plans - Asset Allocation (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-target-asset-allocations-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-target-asset-allocations-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995654 - Disclosure - Note 16 - Employee Benefit Plans - Target Asset Allocations (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-plan-asset-assumptions-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-plan-asset-assumptions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995655 - Disclosure - Note 16 - Employee Benefit Plans - Plan Asset Assumptions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-employee-benefit-plans-companys-participation-in-multiemployer-pension-plans-details" roleURI="http://www.standex.com/20260630/role/statement-note-16-employee-benefit-plans-companys-participation-in-multiemployer-pension-plans-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995656 - Disclosure - Note 16 - Employee Benefit Plans - Company's Participation in Multiemployer Pension Plans (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-industry-segment-information-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-17-industry-segment-information-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995657 - Disclosure - Note 17 - Industry Segment Information (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-industry-segment-information-net-sales-and-income-loss-by-industry-segments-details" roleURI="http://www.standex.com/20260630/role/statement-note-17-industry-segment-information-net-sales-and-income-loss-by-industry-segments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995658 - Disclosure - Note 17 - Industry Segment Information - Net Sales and Income (Loss) by Industry Segments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-industry-segment-information-assets-details" roleURI="http://www.standex.com/20260630/role/statement-note-17-industry-segment-information-assets-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995659 - Disclosure - Note 17 - Industry Segment Information - Assets (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-divestitures-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-18-divestitures-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995660 - Disclosure - Note 18 - Divestitures (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-divestitures-summary-of-components-of-divestiture-details" roleURI="http://www.standex.com/20260630/role/statement-note-18-divestitures-summary-of-components-of-divestiture-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995661 - Disclosure - Note 18 - Divestitures - Summary of Components of Divestiture (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-divestitures-summary-of-components-of-divestiture-details-parentheticals" roleURI="http://www.standex.com/20260630/role/statement-note-18-divestitures-summary-of-components-of-divestiture-details-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995662 - Disclosure - Note 18 - Divestitures - Summary of Components of Divestiture (Details) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-discontinued-operations-earnings-losses-and-assets-and-liabilities-from-discontinued-operations-details" roleURI="http://www.standex.com/20260630/role/statement-note-19-discontinued-operations-earnings-losses-and-assets-and-liabilities-from-discontinued-operations-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995663 - Disclosure - Note 19 - Discontinued Operations - Earnings (Losses) and Assets and Liabilities From Discontinued Operations (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995664 - Disclosure - Note 20 - Leases (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases-amounts-recorded-in-balance-sheet-and-statement-of-operations-related-to-leases-details" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases-amounts-recorded-in-balance-sheet-and-statement-of-operations-related-to-leases-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995665 - Disclosure - Note 20 - Leases - Amounts Recorded in Balance Sheet and Statement of Operations Related to Leases (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases-lease-cost-details" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases-lease-cost-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995666 - Disclosure - Note 20 - Leases - Lease Cost (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases-maturity-of-lease-liability-details" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases-maturity-of-lease-liability-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995667 - Disclosure - Note 20 - Leases - Maturity of Lease Liability (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-20-leases-additional-information-details" roleURI="http://www.standex.com/20260630/role/statement-note-20-leases-additional-information-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995668 - Disclosure - Note 20 - Leases - Additional Information (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-21-redeemable-noncontrolling-interest-details-textual" roleURI="http://www.standex.com/20260630/role/statement-note-21-redeemable-noncontrolling-interest-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">995669 - Disclosure - Note 21 - Redeemable Noncontrolling Interest (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="sxi_AccountsReceivableAllowanceForCreditLossesAdditionsFromBusinessAcquisition" name="AccountsReceivableAllowanceForCreditLossesAdditionsFromBusinessAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_AccruedMaterialAndServicesCosts" name="AccruedMaterialAndServicesCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="sxi_AcquiredTechnologyMember" name="AcquiredTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_AerospaceAndDefenseMember" name="AerospaceAndDefenseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_AmendedAndRestatedCreditAgreementMember" name="AmendedAndRestatedCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_AmranAndNarayanGroupMember" name="AmranAndNarayanGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_AmranInstrumentTransformersAndNarayanPowertechPvtLtdMember" name="AmranInstrumentTransformersAndNarayanPowertechPvtLtdMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_AmranInstrumentTransformersMember" name="AmranInstrumentTransformersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_AnnualComponentMember" name="AnnualComponentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_BusinessCombinationPeriodForRightToAcquireRemainingInterest" name="BusinessCombinationPeriodForRightToAcquireRemainingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_BusinessCombinationPeriodForRightToTransferRemainingInterest" name="BusinessCombinationPeriodForRightToTransferRemainingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashAcquired" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLiabilitiesIncurred" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLiabilitiesIncurred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherAcquiredAssets" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherAcquiredAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherLiabilities" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ConcentrationRiskThresholdPercentage" name="ConcentrationRiskThresholdPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ContractWithCustomerAssetAdditions" name="ContractWithCustomerAssetAdditions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ContractWithCustomerAssetDeductions" name="ContractWithCustomerAssetDeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ContractWithCustomerLiabilityCustomerDepositsAdditions" name="ContractWithCustomerLiabilityCustomerDepositsAdditions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ContractWithCustomerLiabilityCustomerDepositsDeductions" name="ContractWithCustomerLiabilityCustomerDepositsDeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_CorporateBondsAndOtherFixedIncomeSecuritiesMember" name="CorporateBondsAndOtherFixedIncomeSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_CostOfSalesAndSellingGeneralAndAdministrativeExpensesPolicyPolicyTextBlock" name="CostOfSalesAndSellingGeneralAndAdministrativeExpensesPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_CurrentYearRestructuringInitiativesMember" name="CurrentYearRestructuringInitiativesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_CustomBiogenicSystemsMember" name="CustomBiogenicSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_DeferredCompensationPlanMember" name="DeferredCompensationPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_DeferredTaxAssetsCapitalizedResearchAndDevelopment" name="DeferredTaxAssetsCapitalizedResearchAndDevelopment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DeferredTaxAssetsLeaseLiability" name="DeferredTaxAssetsLeaseLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DeferredTaxAssetsNetOperatingLossAndCreditCarryforwards" name="DeferredTaxAssetsNetOperatingLossAndCreditCarryforwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DeferredTaxLiabilitiesPreviouslyUndistributedForeignEarnings" name="DeferredTaxLiabilitiesPreviouslyUndistributedForeignEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DefinedContributionPlanCompanyStockHeldInPlan" name="DefinedContributionPlanCompanyStockHeldInPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DefinedContributionPlanCompanyStockPercentageOfPlanAssets" name="DefinedContributionPlanCompanyStockPercentageOfPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DefinedContributionPlansNumberOfPlans" name="DefinedContributionPlansNumberOfPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DiscontinuedOperationGainLossOnDisposalStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag" name="DiscontinuedOperationGainLossOnDisposalStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag" nillable="true" substitutionGroup="xbrli:item" type="xbrli:booleanItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_DisposalGroupIncludingDiscontinuedOperationNetAssets" name="DisposalGroupIncludingDiscontinuedOperationNetAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_DividendsAccrued" name="DividendsAccrued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialAmount" name="EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialOtherAmount" name="EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialOtherAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialOtherPercent" name="EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialOtherPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationForeignStateAndLocalIncomeTaxRateDifferentialPercent" name="EffectiveIncomeTaxRateReconciliationForeignStateAndLocalIncomeTaxRateDifferentialPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationForeignWithholdingTaxesAmount" name="EffectiveIncomeTaxRateReconciliationForeignWithholdingTaxesAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationForeignWithholdingTaxesPercent" name="EffectiveIncomeTaxRateReconciliationForeignWithholdingTaxesPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationGilti" name="EffectiveIncomeTaxRateReconciliationGilti" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationOfficerCompensationPercent" name="EffectiveIncomeTaxRateReconciliationOfficerCompensationPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationReturnToProvision" name="EffectiveIncomeTaxRateReconciliationReturnToProvision" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationSharebasedPaymentArrangementPercent" name="EffectiveIncomeTaxRateReconciliationSharebasedPaymentArrangementPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsPercent" name="EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_EffectiveIncomeTaxRateReconciliationValuationAllowanceReleasedPercent" name="EffectiveIncomeTaxRateReconciliationValuationAllowanceReleasedPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_ElectronicsProductsGroupMember" name="ElectronicsProductsGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_EngravingGroupMember" name="EngravingGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_EngravingProductsMember" name="EngravingProductsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_EngravingServicesMember" name="EngravingServicesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_ExecutiveCompensationPlanMember" name="ExecutiveCompensationPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ExpirationOfRestrictionsOnUnits" name="ExpirationOfRestrictionsOnUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ExtraordinaryAndCertainOtherDefinedItemsExcludedFromAdjustedEBIT" name="ExtraordinaryAndCertainOtherDefinedItemsExcludedFromAdjustedEBIT" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ExtraordinaryAndCertainOtherDefinedItemsExcludedFromAdjustedEBITPercentageOfEBITDA" name="ExtraordinaryAndCertainOtherDefinedItemsExcludedFromAdjustedEBITPercentageOfEBITDA" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_FederalIndustriesMember" name="FederalIndustriesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_ForeignExchangeContract1Member" name="ForeignExchangeContract1Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_GainLossFromLifeInsuranceBenefit" name="GainLossFromLifeInsuranceBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_HourlyEmployeesMember" name="HourlyEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_HydraulicsCylindersAndSystemMember" name="HydraulicsCylindersAndSystemMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_IamNationalPensionFundNationalPensionPlanMember" name="IamNationalPensionFundNationalPensionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_IncomeTaxExpenseBenefitAttributableToContinuingAndDiscontinuedOperations" name="IncomeTaxExpenseBenefitAttributableToContinuingAndDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_InterestCoverageRatioActual" name="InterestCoverageRatioActual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_InterestCoverageRatioRequirement" name="InterestCoverageRatioRequirement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_InterestRateSwapsEffectiveAugust302025Member" name="InterestRateSwapsEffectiveAugust302025Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_InvoluntaryEmployeeSeveranceAndBenefitCostsMember" name="InvoluntaryEmployeeSeveranceAndBenefitCostsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_LandBuildingsAndLeaseholdImprovementsMember" name="LandBuildingsAndLeaseholdImprovementsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_LesseeLeaseAdditionalInformationTableTextBlock" name="LesseeLeaseAdditionalInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_LesseeOperatingLeaseAmountsRecordedInBalanceSheetAndStatementOfOperationsTableTextBlock" name="LesseeOperatingLeaseAmountsRecordedInBalanceSheetAndStatementOfOperationsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_LeverageRatioActual" name="LeverageRatioActual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_LeverageRatioRequirement" name="LeverageRatioRequirement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_LeverageRatioRequirementMaximumUnderCertainCircumstancesInConnectionMaterialAcquisition" name="LeverageRatioRequirementMaximumUnderCertainCircumstancesInConnectionMaterialAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_LineOfCreditAccordionFeature" name="LineOfCreditAccordionFeature" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="sxi_MachineryEquipmentAndOtherMember" name="MachineryEquipmentAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_McstarliteMember" name="McstarliteMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_MoldTechSingaporeMember" name="MoldTechSingaporeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_NarayanPowertechPvtLtdMember" name="NarayanPowertechPvtLtdMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_NascentTechnologyManufacturingMember" name="NascentTechnologyManufacturingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_NewEnglandTeamstersAndTruckingIndustryPensionFundMember" name="NewEnglandTeamstersAndTruckingIndustryPensionFundMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_NonCashPortionOfRestructuringCharge" name="NonCashPortionOfRestructuringCharge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_NoncontrollingInterestDifferenceBetweenCarryingAmountAndCashConsideration" name="NoncontrollingInterestDifferenceBetweenCarryingAmountAndCashConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_NoncontrollingInterestIncreaseDecreaseFromEquity" name="NoncontrollingInterestIncreaseDecreaseFromEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_OtherAmericasMember" name="OtherAmericasMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingRedeemableNoncontrollingInterest" name="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingRedeemableNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_OtherGeographicalMember" name="OtherGeographicalMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_OtherTaxJurisdictionsMember" name="OtherTaxJurisdictionsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_PaymentsForInventoryPurchasesMember" name="PaymentsForInventoryPurchasesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_PensionAndOtherPostretirementDefinedBenefitPlansAndOtherLiabilitiesNoncurrent" name="PensionAndOtherPostretirementDefinedBenefitPlansAndOtherLiabilitiesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_PercentOfFairMarketValueAtWhichEmployeesMayPurchaseSharesOfStock" name="PercentOfFairMarketValueAtWhichEmployeesMayPurchaseSharesOfStock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_PercentOfParticipantsAnnualIncentiveCompensationParticipantsMayElectToDeferMaximum" name="PercentOfParticipantsAnnualIncentiveCompensationParticipantsMayElectToDeferMaximum" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_PerformanceStockUnitsMember" name="PerformanceStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_PolicyTable" name="PolicyTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_PortugueseTaxAuthorityMember" name="PortugueseTaxAuthorityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_PriorYearInitiativesMember" name="PriorYearInitiativesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ProFormaInformationInterestRateAssumption" name="ProFormaInformationInterestRateAssumption" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_ProFormaInformationTaxRateAssumed" name="ProFormaInformationTaxRateAssumed" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="sxi_ProceedsPaymentsIssuanceOfSharesSharebasedPaymentArrangementExcludingOptionExercised" name="ProceedsPaymentsIssuanceOfSharesSharebasedPaymentArrangementExcludingOptionExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_ProconPumpsBusinessMember" name="ProconPumpsBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_PropertyPlantAndEquipmentUsefulLivesTableTextBlock" name="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_RedeemableNoncontrollingInterestLiabilityPurchaseObligation" name="RedeemableNoncontrollingInterestLiabilityPurchaseObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="sxi_RedeemableNoncontrollingInterestMember" name="RedeemableNoncontrollingInterestMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_RentalPaymentsMember" name="RentalPaymentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_RestructuringExpensesBySegmentTableTextBlock" name="RestructuringExpensesBySegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_RetirementSavingsPlansMember" name="RetirementSavingsPlansMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_SalariedEmployeesMember" name="SalariedEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_SalesMadeToRelatedPartiesMember" name="SalesMadeToRelatedPartiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ScheduleOfFairValueOfPlanAssetsTableTextBlock" name="ScheduleOfFairValueOfPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ScheduleOfIncomeTaxesPaidTableTextBlock" name="ScheduleOfIncomeTaxesPaidTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ScheduleOfIntangibleAssetsExcludingGoodwillTableTextBlock" name="ScheduleOfIntangibleAssetsExcludingGoodwillTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ScheduleOfProvisionForIncomeTaxesTableTextBlock" name="ScheduleOfProvisionForIncomeTaxesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_ScientificGroupMember" name="ScientificGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_ScientificProductsAndServicesMember" name="ScientificProductsAndServicesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sxi_ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodAggregateIntrinsicValue" name="ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ShareBasedCompensationContinuingOperations" name="ShareBasedCompensationContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_ShareBasedcompensationarrangementbyshareBasedpaymentawardfairvalueassumptionsexpectedquarterlydividends" name="ShareBasedcompensationarrangementbyshareBasedpaymentawardfairvalueassumptionsexpectedquarterlydividends" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_SharesOfCommonStockIssuedDeterminedByAdjustmentOfTargetRangePercent" name="SharesOfCommonStockIssuedDeterminedByAdjustmentOfTargetRangePercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_SpecialtySolutionsGroupMember" name="SpecialtySolutionsGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_StandardProductWarrantyAccrualAcquisitionsAndOtherCharges" name="StandardProductWarrantyAccrualAcquisitionsAndOtherCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="sxi_StockIssuedDuringPeriodAveragePrice" name="StockIssuedDuringPeriodAveragePrice" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sxi_StockReservedForEmployeeStockPurchasePlan" name="StockReservedForEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_SwingLineLoanMember" name="SwingLineLoanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_TargetMember" name="TargetMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_UKPensionPlansMember" name="UKPensionPlansMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_USPensionPlansMember" name="USPensionPlansMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-changes-in-allowances-for-uncollectible-accounts-details" name="statement-statement-note-1-summary-of-accounting-policies-changes-in-allowances-for-uncollectible-accounts-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-changes-in-warranty-reserve-details" name="statement-statement-note-1-summary-of-accounting-policies-changes-in-warranty-reserve-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-fair-values-of-financial-instruments-details" name="statement-statement-note-1-summary-of-accounting-policies-fair-values-of-financial-instruments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-tables" name="statement-statement-note-1-summary-of-accounting-policies-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-useful-lives-of-intangible-assets-details" name="statement-statement-note-1-summary-of-accounting-policies-useful-lives-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-useful-lives-of-property-plant-and-equipment-details" name="statement-statement-note-1-summary-of-accounting-policies-useful-lives-of-property-plant-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-1-summary-of-accounting-policies-weighted-average-number-of-shares-details" name="statement-statement-note-1-summary-of-accounting-policies-weighted-average-number-of-shares-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-10-derivative-financial-instruments-balance-sheet-classification-details" name="statement-statement-note-10-derivative-financial-instruments-balance-sheet-classification-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-10-derivative-financial-instruments-details-about-accumulated-other-comprehensive-income-loss-components-details" name="statement-statement-note-10-derivative-financial-instruments-details-about-accumulated-other-comprehensive-income-loss-components-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-10-derivative-financial-instruments-fair-value-of-swaps-recognized-in-accrued-liabilities-and-in-other-comprehensive-income-details" name="statement-statement-note-10-derivative-financial-instruments-fair-value-of-swaps-recognized-in-accrued-liabilities-and-in-other-comprehensive-income-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-10-derivative-financial-instruments-foreign-currency-exchange-contracts-details" name="statement-statement-note-10-derivative-financial-instruments-foreign-currency-exchange-contracts-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-10-derivative-financial-instruments-gain-loss-recognized-in-comprehensive-income-on-derivative-financial-instruments-details" name="statement-statement-note-10-derivative-financial-instruments-gain-loss-recognized-in-comprehensive-income-on-derivative-financial-instruments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-10-derivative-financial-instruments-tables" name="statement-statement-note-10-derivative-financial-instruments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-components-of-provision-for-income-taxes-details" name="statement-statement-note-11-income-taxes-components-of-provision-for-income-taxes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-deferred-income-taxes-details" name="statement-statement-note-11-income-taxes-deferred-income-taxes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-income-loss-from-continuing-operations-before-income-taxes-details" name="statement-statement-note-11-income-taxes-income-loss-from-continuing-operations-before-income-taxes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-open-income-tax-years-details" name="statement-statement-note-11-income-taxes-open-income-tax-years-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-provision-for-income-taxes-details" name="statement-statement-note-11-income-taxes-provision-for-income-taxes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details" name="statement-statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details-parentheticals" name="statement-statement-note-11-income-taxes-reconciliation-of-effective-tax-rate-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-schedule-of-income-taxes-paid-details" name="statement-statement-note-11-income-taxes-schedule-of-income-taxes-paid-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-tables" name="statement-statement-note-11-income-taxes-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-11-income-taxes-unrecognized-tax-benefits-details" name="statement-statement-note-11-income-taxes-unrecognized-tax-benefits-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-13-stockbased-compensation-and-purchase-plans-assumptions-used-to-estimate-fair-values-details" name="statement-statement-note-13-stockbased-compensation-and-purchase-plans-assumptions-used-to-estimate-fair-values-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-awards-activity-under-the-executive-compensation-program-details" name="statement-statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-awards-activity-under-the-executive-compensation-program-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-restricted-stock-awards-activity-details" name="statement-statement-note-13-stockbased-compensation-and-purchase-plans-summary-of-restricted-stock-awards-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-13-stockbased-compensation-and-purchase-plans-tables" name="statement-statement-note-13-stockbased-compensation-and-purchase-plans-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-14-accumulated-other-comprehensive-income-loss-components-of-accumulated-other-comprehensive-income-loss-details" name="statement-statement-note-14-accumulated-other-comprehensive-income-loss-components-of-accumulated-other-comprehensive-income-loss-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-14-accumulated-other-comprehensive-income-loss-tables" name="statement-statement-note-14-accumulated-other-comprehensive-income-loss-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-15-restructuring-summary-of-activity-in-reserves-related-to-restructuring-initiatives-details" name="statement-statement-note-15-restructuring-summary-of-activity-in-reserves-related-to-restructuring-initiatives-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-15-restructuring-summary-of-restructuring-expenses-by-segment-details" name="statement-statement-note-15-restructuring-summary-of-restructuring-expenses-by-segment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-15-restructuring-summary-of-severance-restructuring-and-related-charges-by-initiative-details" name="statement-statement-note-15-restructuring-summary-of-severance-restructuring-and-related-charges-by-initiative-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-15-restructuring-tables" name="statement-statement-note-15-restructuring-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-asset-allocation-details" name="statement-statement-note-16-employee-benefit-plans-asset-allocation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-companys-participation-in-multiemployer-pension-plans-details" name="statement-statement-note-16-employee-benefit-plans-companys-participation-in-multiemployer-pension-plans-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-components-of-net-periodic-benefit-cost-details" name="statement-statement-note-16-employee-benefit-plans-components-of-net-periodic-benefit-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-fair-values-of-pension-plans-details" name="statement-statement-note-16-employee-benefit-plans-fair-values-of-pension-plans-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-funded-status-for-us-and-foreign-pension-plan-details" name="statement-statement-note-16-employee-benefit-plans-funded-status-for-us-and-foreign-pension-plan-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-plan-asset-assumptions-details" name="statement-statement-note-16-employee-benefit-plans-plan-asset-assumptions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-tables" name="statement-statement-note-16-employee-benefit-plans-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-16-employee-benefit-plans-target-asset-allocations-details" name="statement-statement-note-16-employee-benefit-plans-target-asset-allocations-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-17-industry-segment-information-assets-details" name="statement-statement-note-17-industry-segment-information-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-17-industry-segment-information-net-sales-and-income-loss-by-industry-segments-details" name="statement-statement-note-17-industry-segment-information-net-sales-and-income-loss-by-industry-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-17-industry-segment-information-tables" name="statement-statement-note-17-industry-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-18-divestitures-summary-of-components-of-divestiture-details" name="statement-statement-note-18-divestitures-summary-of-components-of-divestiture-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-18-divestitures-summary-of-components-of-divestiture-details-parentheticals" name="statement-statement-note-18-divestitures-summary-of-components-of-divestiture-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-18-divestitures-tables" name="statement-statement-note-18-divestitures-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-discontinued-operations-earnings-losses-and-assets-and-liabilities-from-discontinued-operations-details" name="statement-statement-note-19-discontinued-operations-earnings-losses-and-assets-and-liabilities-from-discontinued-operations-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-discontinued-operations-tables" name="statement-statement-note-19-discontinued-operations-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-amrannarayan-group-details" name="statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-amrannarayan-group-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-mcstarlite-details" name="statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-mcstarlite-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-schedule-of-pro-forma-information-details" name="statement-statement-note-2-acquisitions-schedule-of-pro-forma-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-tables" name="statement-statement-note-2-acquisitions-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-undiscounted-cash-flows-expected-to-be-paid-for-operating-leases-with-related-parties-details" name="statement-statement-note-2-acquisitions-undiscounted-cash-flows-expected-to-be-paid-for-operating-leases-with-related-parties-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-20-leases-additional-information-details" name="statement-statement-note-20-leases-additional-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-20-leases-amounts-recorded-in-balance-sheet-and-statement-of-operations-related-to-leases-details" name="statement-statement-note-20-leases-amounts-recorded-in-balance-sheet-and-statement-of-operations-related-to-leases-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-20-leases-lease-cost-details" name="statement-statement-note-20-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-20-leases-maturity-of-lease-liability-details" name="statement-statement-note-20-leases-maturity-of-lease-liability-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-20-leases-tables" name="statement-statement-note-20-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-3-revenue-from-contracts-with-customers-contract-assets-and-liabilities-details" name="statement-statement-note-3-revenue-from-contracts-with-customers-contract-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-3-revenue-from-contracts-with-customers-revenue-disaggregated-details" name="statement-statement-note-3-revenue-from-contracts-with-customers-revenue-disaggregated-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-3-revenue-from-contracts-with-customers-tables" name="statement-statement-note-3-revenue-from-contracts-with-customers-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-4-inventories-summary-of-inventories-details" name="statement-statement-note-4-inventories-summary-of-inventories-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-4-inventories-tables" name="statement-statement-note-4-inventories-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-5-property-plant-and-equipment-summary-of-property-plant-and-equipment-details" name="statement-statement-note-5-property-plant-and-equipment-summary-of-property-plant-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-5-property-plant-and-equipment-tables" name="statement-statement-note-5-property-plant-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-6-goodwill-changes-to-goodwill-details" name="statement-statement-note-6-goodwill-changes-to-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-6-goodwill-tables" name="statement-statement-note-6-goodwill-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-7-intangible-assets-future-amortization-expense-details" name="statement-statement-note-7-intangible-assets-future-amortization-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-7-intangible-assets-summary-of-intangible-assets-details" name="statement-statement-note-7-intangible-assets-summary-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-7-intangible-assets-tables" name="statement-statement-note-7-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-8-debt-longterm-debt-details" name="statement-statement-note-8-debt-longterm-debt-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-8-debt-tables" name="statement-statement-note-8-debt-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-9-accrued-liabilities-accrued-expenses-details" name="statement-statement-note-9-accrued-liabilities-accrued-expenses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-9-accrued-liabilities-accrued-expenses-details-parentheticals" name="statement-statement-note-9-accrued-liabilities-accrued-expenses-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-9-accrued-liabilities-tables" name="statement-statement-note-9-accrued-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
