EXHIBIT 21 HEICO CORPORATION AND SUBSIDIARIES SUBSIDIARIES OF COMPANY NAME STATE OF INCORPORATION - ---- ---------------------- HEICO Aerospace Holdings Corp. Florida HEICO Aerospace Corporation Florida Jet Avion Corporation Florida LPI Industries Corporation Florida Aircraft Technology, Inc. Florida ATI Heat Treat Corporation (Inactive) Florida Jet Avion Heat Treat Corporation (Inactive) Florida N.A.C. Acquisition Corporation Florida Northwings Accessories Corporation Florida HNW Building Corp. Florida McClain International, Inc. Georgia MC Property Corp. Florida Associated Composite, Inc. Florida Rogers-Dierks, Inc. Florida Turbine Kinetics, Inc. Florida Air Radio & Instruments Corp. Florida Thermal Structures, Inc. California Quality Honeycomb, Inc. California HEICO Aviation Products Corp. Florida Radiant Power Corp. Florida Leader Tech, Inc. Florida Santa Barbara Infrared, Inc. California Trilectron Industries, Inc. New York HEICO International Corporation U.S. Virgin Islands HEICO East Corporation Florida HEICO-NEWCO, Inc. (Inactive) Florida HEICO Engineering Corp. (Inactive) Florida HEICO--Jet Corp. (Inactive) Florida HEICO Bearings Corp. (Inactive) Florida Subsidiaries of the Company, all of which are directly or indirectly wholly-owned (except for HEICO Aerospace Holdings Corp. and its subsidiaries, which are 80%-owned), are included in the Company's consolidated financial statements.