1 EXHIBIT 21 C.P. CLARE CORPORATION AND SUBSIDIARIES LIST OF SUBSIDIARIES PLACE OF SUBSIDIARY INCORPORATION ------------------------------------------------------ -------------------- Clare Capital, Inc.................................... New York Clare Capital, Inc.................................... Delaware Clare Components, Inc................................. New York Clare Components, Inc................................. Delaware Clare Electronics, Inc................................ New York Clare Electronics, Inc................................ Delaware Clare Instruments, Inc................................ New York Clare Instruments, Inc................................ Delaware Clare Services, Inc................................... New York Clare Services, Inc................................... Delaware Clare Systems, Inc.................................... New York Clare Systems, Inc.................................... Delaware Clare Technologies, Inc............................... New York Clare Technologies, Inc............................... Delaware Clare Canada, Ltd..................................... Ontario, Canada Clare France S. A. R. L............................... France C. P. Clare Electronics GmbH.......................... Germany C. P. Clare Foreign Sales Corporation................. U.S. Virgin Islands C. P. Clare N.V....................................... Belgium C. P. Clare Engineering N.V........................... Belgium C. P. Clare Mexicana S.A. de C.V...................... Mexico Clare Technologies (Taiwan), Inc...................... Taiwan