Exhibit (21)* to Report on Form 10-K for Fiscal Year Ended June 30, 1997 by Parker-Hannifin Corporation The Company has the following subsidiaries: Domestic Subsidiaries Percentage Name Incorporated Owned(1) iPower Distribution Group Inc. Ohio 100 Parker AIP Corp. Delaware 100 Parker de Puerto Rico, Inc. Delaware 100 Parker Finance Corp. Delaware 100(2) Parker-Hannifin Asia Pacific Co., Ltd. Delaware 100(3) Parker-Hannifin International Corp. Delaware 100 Parker Intangibles Inc. Delaware 100 Parker Properties Inc. Delaware 100 Parker Services Inc. Delaware 100 Travel 17325 Inc. Delaware 100 Foreign Subsidiaries Abex Japan Ltd. Japan 100(4) Acadia International Insurance Limited Ireland 100 Alenco (Holdings) Limited United Kingdom 100(3) Brownsville Rubber Co., S.A. de C.V. Mexico 100 Ermeto Productie Maatschappij B.V. Netherlands 100(5) N. V. Parker-Hannifin S.A. Belgium 100(6) P-H do Brasil Comercial Ltda. Brazil 100(3) PH Finance Limited United Kingdom 100(7) Parker Automotive de Mexico S.A. de C.V. Mexico 100 Parker Enzed (N.Z.) Limited New Zealand 100(3) Parker Enzed (Australia) Pty. Ltd. Australia 100(8) Parker Enzed Equipment (Australia) Pty. Ltd. Australia 100(8) Parker Enzed Technologies Pty. Ltd. Australia 100(8) Parker Ermeto GmbH Austria 100(9) Parker Fluid Connectors de Mexico S.A. de C.V. Mexico 100(10) Parker Lucifer S.A. Switzerland 100 Parker Seal de Baja S.A. de C.V. Mexico 100 Parker Seals S.p.A. Italy 100(11) Parker Sistemas de Automatizacion S.A. de C.V. Mexico 100 Parker Zenith S.A. de C.V. Mexico 100(10) Parker Hannifin (Africa) Pty. Ltd. South Africa 100 Parker Hannifin Argentina SAIC Argentina 100 Parker Hannifin A/S Norway 100(12) Parker Hannifin (Australia) Pty. Ltd. Australia 100(3) Parker Hannifin B.V. Netherlands 100(17) Parker Hannifin (Canada) Inc. Canada 100(3) Parker Hannifin Danmark A/S Denmark 100 Parker Hannifin de Venezuela, C.A. Venezuela 100(3) Parker Hannifin (Espana) SA Spain 100(3) Parker Hannifin Finance B.V. Netherlands 100(6) Parker Hannifin Foreign Sales Corp. Guam 100(3) Parker Hannifin GmbH Germany 100(3) Parker Hannifin Hong Kong Limited Hong Kong 100(13) Parker Hannifin Industria e Comercio Ltda. Brazil 100(14) Parker Hannifin Japan Ltd. Japan 100 Parker Hannifin Korea Ltd. Korea 100(3) Parker Hannifin Motion & Control (Shanghai) Co. Ltd. China 100 Parker Hannifin Naarden B.V. Netherlands 100(6) Parker Hannifin AG Switzerland 100(9) Parker Hannifin (N.Z.) Ltd. New Zealand 100 Parker Hannifin Oy Finland 100 Parker Hannifin plc United Kingdom 100(12) Parker Hannifin S.A. France 100 Parker Hannifin S.p.A. Italy 100 Parker Hannifin Sp. z.o.o. Poland 100 Parker Hannifin s.r.o. Czech Republic 100(3) Parker-Hannifin Singapore Pte. Ltd. Singapore 100 Parker Hannifin Sweden AB Sweden 100 Parker Hannifin Taiwan Ltd. Taiwan 100 Parker Hannifin Thailand Co., Ltd. Thailand 100 Parker Hannifin Thailand (1997) Co., Ltd. Thailand 100(15) Parker Hannifin Verwaltungs GmbH Germany 100(9) Hydroflex S.A. de C.V. Mexico 100(10) Schrader Bellows Parker de Mexico S.A. de C.V. Mexico 100(10) VOAC Hydraulics S.A. Spain 100(16) (1) Excludes directors' qualifying shares (2) Owned 100% by Parker de Puerto Rico, Inc. (3) Owned 100% by Parker-Hannifin International Corp. (4) Owned 100% by Parker Hannifin Japan Ltd. (5) Owned 100% by Parker-Hannifin Naarden B.V. (6) Owned 100% by Parker Hannifin B.V. (7) Owned 100% by Parker Hannifin plc (8) Owned 100% by Parker-Hannifin (Australia) Pty. Ltd. (9) Owned 100% by Parker Hannifin GmbH (10) Owned 100% by Parker Sistemas de Automatizacion S.A. de C.V. (11) Owned 100% by Parker-Hannifin S.p.A. (12) Owned 100% by Alenco (Holdings) Limited (13) Owned 99.99% by Parker-Hannifin Corporation and .01% by Parker- Hannifin International Corp. (14) Owned 37.5% by P-H do Brasil Comercial Ltda. and 62.5% by Parker- Hannifin International Corp. (15) Owned 51% by Parker Hannifin Thailand Co., Ltd. and 49% by Parker- Hannifin Corporation (16) Owned 100% by Parker Hannifin (Espana) S.A. (17) Owned 77.52% by Parker Hannifin International Corp. and 22.48% by Parker AIP Corp. All of the foregoing subsidiaries are included in the Company's consolidated financial statements. In addition to the foregoing, the Company owns three inactive or name holding companies. *Numbered in accordance with Item 601 of Regulation S-K.