Woodward Governor Company Exhibit 21 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) Limited Montreal, Quebec, Canada Woodward Governor France S.A.R.L. Venissieux, France Woodward Governor Asia/Pacific PTE. LTD. Singapore, Republic of Singapore Woodward Governor Deutschland GMBH Wiesbaden, Germany Woodward Governor Poland, Limited Warsaw, Poland Woodward Governor Germany GmbH Aken and Kelbra, Germany HSC Controls, Inc. Buffalo, New York Bauer Aerospace, Inc. Avon, Connecticut Woodward Governor India PTE. LTD. Ballabgarh, India