Exhibit 21 Woodward Governor Company Subsidiaries of the Registrant 	Woodward Governor Nederland B.V. 	Hoofddorp, The Netherlands 	Woodward Governor (U.K.) Limited 	Reading, England 	 	Woodward Governor GmbH 	Lucerne, Switzerland and 	Hoofddorp, The Netherlands 	 	Woodward Governor (Japan) Ltd. 	Tomisato, Chiba, Japan and Kobe, Japan 	 	Woodward Governor (Reguladores) Limitada 	Campinas, Sao Paulo, Brazil 	 	Woodward Governor (Quebec) Inc. 	Montreal, Quebec, Canada 	 	Woodward Governor France S.A.R.L. 	Venissieux, France 	Woodward Governor Asia/Pacific PTE. LTD. 	Singapore, Republic of Singapore 	 	Woodward Governor Poland, Limited 	Warsaw, Poland 	Woodward Governor Germany GmbH 	Aken and Kelbra, Germany 	HSC Controls, Inc. 	Buffalo, New York 	Woodward Governor de Mexico S.A. de C.V. 	Mexico City, Mexico 	Woodward Governor Company (New Zealand) Limited 	Christchurch, New Zealand 	 	Woodward Governor India PTE. LTD. 	Ballabgarh, India 	Woodward Aircraft Controls Prestwick, Inc. 	Prestwick, Scotland