. . . Exhibit 21 SUBSIDIARIES OF TELEDYNE TECHNOLOGIES INCORPORATED AS OF FEBRUARY 27, 2004 - ------------------------------------------------ ----------------- --------------------------------- NAME OF SUBSIDIARY STATE/JURISDICTION FICTITIOUS BUSINESS NAME(S) OF INCORPORATION USED BY SUBSIDIARY - ------------------------------------------------ ----------------- --------------------------------- Aerosance, Inc.* Delaware - ------------------------------------------------ ----------------- --------------------------------- Ensembles de Precision S.A. de C.V. Mexico - ------------------------------------------------ ----------------- --------------------------------- Leeman Labs Germany GmbH** Germany - ------------------------------------------------ ----------------- --------------------------------- Teledyne Advanced Pollution Instrumentation, California Inc. - ------------------------------------------------ ----------------- --------------------------------- Teledyne Brown Engineering, Inc. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Continental Motors, Inc. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Controls Wichita, Inc. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Controls Simulation Limited Canada - ------------------------------------------------ ----------------- --------------------------------- Teledyne Energy Systems, Inc.* Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Instruments, Inc. Delaware Geophysical Instruments Test Services - ------------------------------------------------ ----------------- --------------------------------- Teledyne Investment, Inc. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Lighting and Display Products, Inc. Nevada - ------------------------------------------------ ----------------- --------------------------------- Teledyne Limited United Kingdom Teledyne Controls Flight Data Company - ------------------------------------------------ ----------------- --------------------------------- Teledyne Mattituck Services, Inc. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Monitor Labs, Inc. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Solutions, Inc. Alabama - ------------------------------------------------ ----------------- --------------------------------- Teledyne Technologies (Bermuda) Limited Bermuda - ------------------------------------------------ ----------------- --------------------------------- Teledyne Technologies International Corp. Delaware - ------------------------------------------------ ----------------- --------------------------------- Teledyne Tekmar Company Ohio Teledyne Analytical Services Tekmar-Dohrmann Teledyne Leeman Labs - ------------------------------------------------ ----------------- --------------------------------- Teledyne Wireless, Inc. Delaware Teledyne Microwave - ------------------------------------------------ ----------------- --------------------------------- * Majority owned. ** In process of changing name to Teledyne Germany GmbH.