Exhibit 21 to Annual Report

on Form 10-K

for Fiscal Year Ended June 30, 2026

by Parker-Hannifin Corporation

Listed below are the significant subsidiaries of the Company and their jurisdictions of organization. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. All of the following subsidiaries are either directly or indirectly wholly-owned by the Company.

Name of Subsidiary			State/Country of Organization
UNITED STATES
Securaplane Technologies, Inc.			Arizona
Meggitt (North Hollywood), Inc.			California
Meggitt Safety Systems, Inc.			California
NASCO Aircraft Brake, Inc.			California
Pacific Scientific Company			California
Baldwin Filters, Inc.			Delaware
LORD Technol, Inc.			Delaware
Meggitt (Troy), Inc.			Delaware
Meggitt Aircraft Braking Systems Corporation			Delaware
Meggitt Aircraft Braking Systems Kentucky Corporation			Delaware
Meggitt Defense Systems, Inc.			Delaware
Meggitt Holdings (USA) Inc.			Delaware
Meggitt-USA, Inc.			Delaware
OECO, LLC			Delaware
Parker Intangibles LLC			Delaware
Parker-Hannifin International Corp.			Delaware
Parker-Seahawk Acquisitions, LLC			Delaware
Purolator Facet, Inc.			Delaware
Whittaker Corporation			Delaware
Curtis Instruments (Puerto Rico), Inc.			New York
Parker Royalty Partnership			Ohio
LORD Corporation			Pennsylvania
Exotic Metals Forming Company LLC			Washington
INTERNATIONAL
Parker Hannifin (Australia) Pty. Limited			Australia
Parker Hannifin Australia Holding Pty Limited			Australia
Parker Hannifin Indústria e Comércio Ltda.			Brazil
Parker Hannifin Canada Company			Canada
Curtis Instruments (Suzhou) Company, Ltd.			China
LORD Chemical (Shanghai) Co., Ltd.			China
LORD International Trading (Shanghai) Co., Ltd.			China
Meggitt (Xiamen) Sensors & Controls Co Ltd			China
Parker Hannifin Motion & Control (Shanghai) Co. Ltd.			China
Weifang Parker Hannifin Filtration Products and Systems Co., Ltd.			China
Artus SAS			France
Meggitt (Sensorex) SAS			France
Meggitt Holdings (France) SAS			France

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Name of Subsidiary			State/Country of Organization
Parker Hannifin France Holding SAS			France
Parker Hannifin France SAS			France
Parker Hannifin Manufacturing France SAS			France
Parker Hannifin GmbH			Germany
Parker Hannifin Holding GmbH			Germany
Parker Hannifin Manufacturing Germany GmbH & Co. KG			Germany
LORD Asia International Limited			Hong Kong
Parker Hannifin Hong Kong, Ltd.			Hong Kong
Parker Hannifin India Private Ltd.			India
Parker Hannifin Italy S.R.L.			Italy
Parker Hannifin Manufacturing srl			Italy
Parker Hannifin Luxembourg Investments 1 S.a.r.l.			Luxembourg
Parker Hannifin de Mexico, S.A. de C.V.			Mexico
Parker Industrial, S. de R.L. de C.V.			Mexico
Lord Holdings (Asia) B.V.			Netherlands
Parker Hannifin (Clarcor Filtration) Holding B.V.			Netherlands
Parker Hannifin B.V.			Netherlands
Parker Hannifin Netherlands Holdings 2 B.V.			Netherlands
Parker Hannifin Netherlands Holdings B.V.			Netherlands
Meggitt Aerospace Asia Pacific Pte Ltd			Singapore
Parker Hannifin Singapore Private Limited			Singapore
Parker Hannifin Manufacturing Sweden AB			Sweden
Parker Hannifin Sweden AB			Sweden
Meggitt SA			Switzerland
Parker Hannifin EMEA S.a. r.l.			Switzerland
Parker Hannifin Switzerland Holdings Sàrl			Switzerland
Alenco (Holdings) Limited			United Kingdom
Altair (UK) Ltd			United Kingdom
Cavehurst Limited			United Kingdom
Domnick Hunter Group Limited			United Kingdom
Dunlop Aerospace Group Limited			United Kingdom
Dunlop Aerospace Holdings Limited			United Kingdom
Dunlop Aerospace Overseas Limited			United Kingdom
Dunlop Holdings Limited			United Kingdom
Dunlop Limited			United Kingdom
Meggitt (UK) Limited			United Kingdom
Meggitt Acquisition Limited			United Kingdom
Meggitt Aerospace Holdings Limited			United Kingdom
Meggitt Aerospace Limited			United Kingdom
Meggitt Finance Limited			United Kingdom
Meggitt International Holdings Limited			United Kingdom
Meggitt International Limited			United Kingdom
Meggitt Limited			United Kingdom
Meggitt Properties Limited			United Kingdom
Olaer Group Limited			United Kingdom
Parker Hannifin (GB) Limited			United Kingdom
Parker Hannifin (Holdings) Limited			United Kingdom

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Name of Subsidiary			State/Country of Organization
Parker Hannifin Industries Limited			United Kingdom
Parker Hannifin Manufacturing Limited			United Kingdom