EXHIBIT 21 SUBSIDIARIES OF REGISTRANT Place of Incorporation Name Or Organization ------ ------------------------- Thomas & Betts Corporation Tennessee DCP Holding Corp. Delaware Diamond Communication Products, Inc. Delaware Electroline Manufacturing Company Ohio FL Amelec, Inc. Texas American Electric de Mexico, S.A. de C.V. Mexico Thomas & Betts Monterrey S.A. de C.V. Mexico Thomas & Betts Export, Inc. Barbados Thomas & Betts International, Inc. Delaware Amerace Corporation Delaware Augat Inc. Massachusetts Augat Communication Products Inc. Washington Augat Europe, Inc. Delaware Augat Pty. Limited Australia Augat Realty, Inc. Massachusetts Augat, SA de CV Mexico Augat Wiring Systems Inc. Alabama Elastomeric Technologies Inc. Pennsylvania LRC Electronics, Inc. New York Dutch L.P., Inc. Delaware Thomas & Betts A Ltd. Israel Thomas & Betts Asia Investments Japan Thomas & Betts Caribe, Inc. Delaware Thomas & Betts Europe, Inc. Delaware Thomas & Betts Europe C.V. The Netherlands Thomas & Betts Netherlands B.V. The Netherlands Augat A.G. Switzerland Augat GmbH Germany Augat Components GmbH Germany Reznor Lufttechnik GmbH Germany Thomas & Betts GmbH Germany Augat Mfg. SA Switzerland Augat Srl Italy Reznor Europe N.V. Belgium Thomas & Betts AB Sweden Thomas & Betts Benelux B.V.B.A. Belgium Thomas & Betts Euro Distribution S.A. Belgium Thomas & Betts Euro Service Centre B.V.B.A. Belgium EX-21-1 EXHIBIT 21 SUBSIDIARIES OF REGISTRANT (continued) Place of Incorporation Name Or Organization Thomas & Betts European Centre B.V.B.A. Belgium Thomas & Betts France France Augat S.A. France Thomas & Betts Holdings (U.K.) Limited United Kingdom Augat Limited United Kingdom Augat AB Sweden Reznor Limited United Kingdom Thomas & Betts Limited United Kingdom Thomas & Betts Hungary Kft. Hungary Thomas & Betts (Luxembourg) S.A. Luxembourg Thomas & Betts S.p.A. Italy Thomas & Betts Hong Kong, Limited Hong Kong Thomas & Betts Investments Ltd. Canada Thomas & Betts Japan, Ltd. Japan Thomas & Betts (Malaysia) Sdn. Bhd. Malaysia Thomas y Betts de Mexico S. de R.L. de C.V. Mexico Thomas & Betts Pty. Limited Australia Thomas & Betts (S.E. Asia) Pte Ltd. Singapore Augat Pte Limited Singapore Thomas & Betts, Limited Canada T&B Commander Electrical Materials Inc. Canada Thomas & Betts (Ontario) Ltd. Canada Thomas & Betts-Photon Systems Inc. Canada Thomas & Betts Puerto Rico Corporation Delaware All subsidiaries are included in the consolidated financial statements. EX-21-2