EX-21 48 file047.txt SUBSIDIARIES OF THE REGISTRANT
L-3 COMMUNICATIONS HOLDINGS, INC. AND SUBSIDIARIES AS OF JULY 30, 2002 L-3 Communications Holdings, Inc. Delaware L-3 Communications Corporation Delaware AMI Instruments, Inc. Oklahoma Aviation Communications & Surveillance Systems, LLC (70%) Delaware ACSS - NZSC Limited New Zealand C3-ilex, LLC (31.5% or 35%) California Coleman Research Corporation Florida Delsub, Inc. Delaware Digital Technics, L.L.C. Delaware Digital Technics, L.P. (25% + 75%) Delaware EER Systems, Inc. Virginia Electrodynamics, Inc. Arizona Honeywell TCAS Inc. Delaware Hygienetics Environmental Services, Inc. Delaware Interstate Electronics Corporation California KDI Precision Products, Inc. Delaware L-3 Communications AIS GP Corporation Delaware L-3 Communications Intergrated Systems L.P. (1%+99%) Delaware L-3 Communications Analytics Corporation California Kapos Associates Inc. Virginia L-3 Communications Atlantic Science & Technology Corporation New Jersey L-3 Communications Australia Proprietary Limited Australia L-3 Communications Australia Pty Ltd Australia L-3 Communications Aydin Corporation Delaware Aydin Foreign Sales Limited Guam Aydin S.A. (19%) Argentina L-3 Communications Global Network Solutions U.K. Ltd. United Kingdom L-3 Communications Investments Inc. Delaware Aydin Yazilim ve Elektronik Sanayi A.S. (40%) Turkey L-3 Communications Canada Inc. Canada Spar Aerospace Limited Canada 3023001 Canada Inc. Canada Godfrey Aerospace Inc. Ohio International Aerospace Management Company Scrl (20%) Republic of Italy Sovcan Star Satellite Communications Inc. (34%) Canada Spar Aviation Services (U.S.) Limited Delaware L-3 Communications ESSCO, Inc. Delaware Electronic Space Systems International Corp. U.S. Virgin Islands Electronic Space Systems (UK) Limited (90%) United Kingdom ESSCO Collins Limited (99.99%) Republic of Ireland L-3 Communications France S.A.S. Republic of France L-3 Communications Holding GmbH Federal Republic of Germany L-3 Communications ELAC Nautik GmbH Federal Republic of Germany Arbeitsmedizinische Betreungsgesellschaft Kieler Bertriebe mbH (50%) Federal Republic of Germany ELAC Nautik Unterstutzungska(beta)e GmbH Federal Republic of Germany Power Paragon (Deutschland) Holding GmbH (99% +1%) Federal Republic of Germany EuroAtlas Gesellschaft fur Leistungselektronik mbH Federal Republic of Germany JovyAtlas Elektrische Umformtechnik GmbH Federal Republic of Germany Astrid Energy Enterprises S.R.L (10%) Republic of Italy Narda Safety Test Solutions GmbH Federal Republic of Germany PMM Costruzioni Electtroniche Centro Misure Radioelettriche S.r.l. (98%) Republic of Italy EMC S.r.l. (33%) Republic of Italy L-3 Communications Hong Kong Limited Hong Kong L-3 Communications ILEX Systems, Inc. Delaware ITel Solutions, LLC (100%) Delaware Telos Corporation California L-3 Communications Korea Corporation South Korea L-3 Communications Malaysia Sdn. Bhd. Malaysia L-3 Communications Secure Information Technology, Inc. Delaware L-3 Communications Security Systems Corporation Delaware L-3 Communications Security and Detection Systems Corporation California California L-3 Communications Security and Detection Systems Corporation Delaware Delaware L-3 Communications SPD Technologies, Inc. Delaware SPD Holdings, Inc. Delaware Henschel Inc. Delaware Pac Ord Inc. Delaware Power Paragon, Inc. Delaware SPD Electrical Systems, Inc. Delaware SPD Switchgear Inc. Delaware L-3 Communications Storm Control Systems, Inc. California L-3 Communication (Thailand) Co., Ltd. Thailand L-3 Communications U.K. Ltd. United Kingdom Storm Control Systems Limited United Kingdom L-3 Microdyne Holdings Corporation Maryland L-3 Satellite Networks, LLC Delaware LogiMetrics, Inc. (55%) Delaware Logimetrics FSC, Inc. (55%) U.S. Virgin Islands mmTECH, INC. (55%) New Jersey L-Tres Comunicaciones Costa Rica, S.A. Costa Rica Medical Education Technologies, Inc. (33.3%) Delaware Microdyne Corporation Maryland Microdyne Communications Technologies Incorporated Maryland MCTI Acquisition Corporation Maryland Apcom, Inc. Maryland Celerity Systems Incorporated California Microdyne Ltd. U.S. Virgin Islands Microdyne Outsourcing Incorporated Maryland MPRI, Inc. Delaware Southern California Microwave, Inc. California TrexCom (Asia) PTE, Ltd. Singapore