EXHIBIT 21.1 SUBSIDIARIES PRIOR TO JANUARY 1, 1999 * 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 * 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 EXHIBIT 21.1 (continued) SUBSIDIARIES - AFTER DECEMBER 31, 1998 * SunSource Capital Trust Organized in the State of Delaware * SunSource Investment Company, Inc. Incorporated in the State of Delaware * SunSub A Inc. Incorporated in the State of Delaware * SunSource Corporate Group, Inc. Incorporated in the State of Delaware * The Hillman Group, Inc. Incorporated in the State of Delaware * Harding Glass, Inc. Incorporated in the State of Delaware * SunSource Industrial Services Company, Inc. Incorporated in the State of Delaware * SunSource Technology Services, Inc. Incorporated in the State of Delaware * SunSource Inventory Management Company, Inc. Incorporated in the State of Delaware * Kar Products, Inc. Incorporated 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 * SunSource Integrated Services de Mexico S. A. DE C. V. Incorporated in Ciudad de Mexico, Mexico