Exhibit 21 to Annual Report

on Form 10-K

for Fiscal Year Ended June 30, 2024

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 (Rockmart), Inc.			Delaware
Meggitt (Troy), Inc.			Delaware
Meggitt Aircraft Braking Systems Corporation			Delaware
Meggitt Aircraft Braking Systems Kentucky Corporation			Delaware
OECO, LLC			Delaware
Parker Intangibles LLC			Delaware
Parker Italy (PH Espana Holding) LLC			Delaware
Parker-Hannifin International Corp.			Delaware
Parker-Seahawk Acquisitions, LLC			Delaware
Purolator Facet, Inc.			Delaware
Meggitt Defense Systems, Inc.			Delaware
Total Filtration Services, Inc.			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			Canada
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
Artus SAS			France
Meggitt (Sensorex) SAS			France
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

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Name of Subsidiary			State/Country of Organization
Parker Hannifin (Gibraltar) Acquisitions Limited			Gibraltar
LORD Asia International Limited			Hong Kong
Parker Hannifin Hong Kong, Ltd.			Hong Kong
LORD India Private Limited			India
Parker Hannifin India Private Ltd.			India
Parker Hannifin Italy S.R.L.			Italy
Parker Hannifin Manufacturing srl			Italy
Parker Hannifin Global Capital Management S.a.r.l			Luxembourg
Parker Hannifin Holding EMEA S.a.r.l.			Luxembourg
Parker Hannifin Lux FinCo S.a.r.l.			Luxembourg
Parker Hannifin Luxembourg Acquisitions S.a.r.l.			Luxembourg
Parker Hannifin Luxembourg Investments 1 S.a.r.l.			Luxembourg
Parker Hannifin de Mexico, S.A. de C.V.			Mexico
Parker Hannifin Holding, S. de R.L. 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 Cartera Industrial S.L.			Spain
Parker Hannifin Sweden Holding Co AB			Sweden
Parker Hannifin EMEA S.a. r.l.			Switzerland
Meggitt SA			Switzerland
Parker Hannifin Switzerland Holdings Sàrl			Switzerland
PH Swiss Investments Sàrl			Switzerland
Meggitt Aerospace Limited			United Kingdom
Alenco (Holdings) Limited			United Kingdom
Altair (UK) Limited			United Kingdom
Domnick Hunter Group Limited			United Kingdom
Meggitt (UK) 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
Parker Hannifin Industries Limited			United Kingdom
Parker Hannifin Limited			United Kingdom
Parker Hannifin Manufacturing Limited			United Kingdom