EXHIBIT 21.1 SUBSIDIARIES * SunSource Capital Trust Organized in the State of Delaware * SunSub A Inc. Incorporated in the State of Delaware * SunSub B Inc. Incorporated in the State of Delaware * SDI Partners I, L.P. Organized in the State of Delaware * SDI Operating Partners, L.P.; Organized in the State of Delaware * A & H Holding Company, Inc.; Incorporated in the State of Michigan * SunSource Canada Investment Co. Incorporated in the Province of Ontario * J. N. Fauver (Canada) Limited; Incorporated in the Province of Ontario * A & H Bolt & Nut Company Limited; Incorporated in the Province of Nova Scotia * The Fastener Centre, Inc.; Incorporated in the State of Michigan * Hydra Power de Mexico; * Incorporated in Bravos Judicial District, Juarez, Chihuahua, Mexico * Simco de Mexico; Incorporated in Ciudad de Mexico, Mexico