EXHIBIT 21 Page 1 of 1 State/Country Name(s) under which Subsidiary List of Subsidiaries of Incorporation does business (1) - ---------------------------------------------------------------------------------------------------------- Advanced Circuit Technology, Inc. Delaware, U.S.A. Advanced Circuit Technology Amphenol Australia Pty Ltd. Australia Amphenol Benelux B.V. The Netherlands Amphenol Amphenol Borg Limited England Amphenol do Brasil Ltd. Brazil Amphenol Amphenol Canada Corp. Ontario, Canada Amphenol Amphenol Commercial and Industrial UK, Limited England Amphenol Dae Shin Electronics and Precision Co., Ltd. Korea Dae Shin Electronics Amphenol East Asia Limited Hong Kong AEAL, AEAM, Amphenol Amphenol Foreign Sales Corporation Barbados Amphenol Funding Corporation Delaware, U.S.A. Amphenol Germany GmbH Germany Amphenol Gesellschaft m.b.H. Austria Amphenol Amphenol Holdings Pty. Ltd. Australia Amphenol Holding UK, Limited England Amphenol Interconnect Products Corporation Delaware, U.S.A. AIPC Amphenol International Ltd. Delaware, U.S.A. Amphenol Italia, S.p.A. Italy Amphenol Amphenol Japan K.K. Japan Amphenol Amphenol Limited England Amphenol Amphenol Socapex S.A.S. France Socapex Amphenol Svenska, AB Sweden Amphenol Aerospace France, Inc. Delaware, U.S.A. Amphenol Commercial & Industrial France, L.L.C. Delaware, U.S.A. Amphenol Taiwan Corporation Taiwan Amphenol Amphenol Technical Products International Co. Canada Technical Products International Amphenol-Tuchel Electronics GmbH Germany Tuchel Amphetronix Limited India Amphetronix Amphenol-TFC (Changzhou) Communications Equipment Co. Ltd. China Amphenol, Times Fiber, TFC Amphenol USHoldco. Inc. Delaware, U.S.A. Connexus AB Sweden Connexus Connex Connector Corporation California, U.S.A. Connex - -------------------------------------------------------------------------------- (1) Each subsidiary also does business under the corresponding corporate name listed in column 1. EXHIBIT 21 Page 2 of 2 State/Country Name(s) under which Subsidiary List of Subsidiaries of Incorporation does business (1) - ---------------------------------------------------------------------------------------------------------- Kai Jack Industrial Co., Ltd. Taiwan Kai Jack LPL Technologies Holding GmbH Germany Optimize Manufacturing Co. Arizona, U.S.A. Optimize Productos de Memoria S.A. de C.V. Mexico Pyle-National Ltd. England Pyle-National Pyle-National of Canada Inc. Ontario, Canada Pyle-National Spectra Strip Limited England TFC South America S.A. Argentina Times Fiber Sine Systems*Pyle Connectors Corporation Delaware, U.S.A. Sine, Pyle-National Times Fiber Communications, Inc. Delaware, U.S.A. Times Fiber Times Fiber Canada Limited Ontario, Canada Times Fiber Matir, S.A. Uruguay - -------------------------------------------------------------------------------- (1) Each subsidiary also does business under the corresponding corporate name listed in column 1.