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  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonEmployeeDirectors" id="tpcs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonEmployeeDirectors" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RestrictedCommonStockAwardedOnJanuary242025Member" id="tpcs_RestrictedCommonStockAwardedOnJanuary242025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization" id="tpcs_OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="EmployeeAgreementAnnualCommitmentForFutureSalariesDuringNextFiscalYear" id="tpcs_EmployeeAgreementAnnualCommitmentForFutureSalariesDuringNextFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AdjustmentObligationsSatisfiedPayableMember" id="tpcs_AdjustmentObligationsSatisfiedPayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DefinedContributionAndSavingsPlanRequisiteServicePeriod" id="tpcs_DefinedContributionAndSavingsPlanRequisiteServicePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RestrictedStockIssuedOnMarch312025Member" id="tpcs_RestrictedStockIssuedOnMarch312025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RanorRevolverLoanDueJanuary2026Member" id="tpcs_RanorRevolverLoanDueJanuary2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StadcoEquipmentFinancingAt13.38InterestDueApril2026Member" id="tpcs_StadcoEquipmentFinancingAt13.38InterestDueApril2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestrictedStockIssuedOnOctober22025Member" id="tpcs_RestrictedStockIssuedOnOctober22025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Sales1Member" id="tpcs_Sales1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanTerm" id="tpcs_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RestrictedStockIssuedOnMarch62026Member" id="tpcs_RestrictedStockIssuedOnMarch62026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfFinanceLeaseAgreements" id="tpcs_NumberOfFinanceLeaseAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RightOfUseAssetAndLeaseLiability" id="tpcs_RightOfUseAssetAndLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfCopiers" id="tpcs_NumberOfCopiers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfDefinedContributionAndSavingsPlans" id="tpcs_NumberOfDefinedContributionAndSavingsPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
</xsd:schema>
