. . . Exhibit 21 Subsidiaries of the Registrant State or other Jurisdiction of Subsidiaries Incorporation - ------------ --------------- Cedar Corporation Nevada Cedro de Mexico, S.A. De C.V. Mexico Condor D.C. Power Supplies, Inc. California Condor Holdings, Inc. Delaware Condor Power Supplies de Mexico, S.A. de C.V. Mexico Industrias SL, S.A. de C.V Mexico RFL Electronics Inc. Delaware SL Auburn, Inc. New York SL Delaware, Inc. Delaware SL Delaware Holdings, Inc. Delaware SL Holdings GmbH & Co. KG Germany SL Industries Vertrieb GmbH Germany SL Surface Technologies, Inc. (a) New Jersey SL Montevideo Technology, Inc. Minnesota SLW Holdings, Inc. (b) New Jersey Teal Electronics Corporation California Waber Power, LTD (c) Connecticut All of the subsidiaries are included in the consolidated financial statements for the year ended December 31, 2004. (a) Formerly SL Modern Hard Chrome, Inc. (b) Certain net assets disposed on August 29, 2001, and name changed from SL Waber, Inc. on September 10, 2001. (c) Formerly SL Electrostatic Technology, Inc.