Exhibit 22

GUARANTOR SUBSIDIARIES OF HEICO CORPORATION

As of December 18, 2024, the following subsidiaries of HEICO Corporation are guarantors of the Company’s 5.25% Senior Notes due 2028 and 5.35% Senior Notes due 2033:

Name			Name
16-1741 Property, Inc.			CSI Aerospace, Inc.
26 Ward Hill Property, LLC			dB Control Corp.
3 McCrea Property Company, LLC			Decavo LLC
34 Freedom Court, Corp.			Dielectric Sciences, Inc.
3D Plus U.S.A., Inc.			Dixie Aerospace, LLC
60 Sequin LLC			Dukane Seacom, Inc.
8929 Fullbright Property, LLC			Engineering Design Team, Inc.
Absolute Aviation Services, LLC			Fortner Eng. & Mfg. Inc.
Accessory Technologies Corporation			Future Aviation, Inc.
Accurate Metal Machining, Inc.			Harter Aerospace, LLC
Action Research Corporation			HEICO Aerospace Corporation
Aero-Glen International, LLC			HEICO Aerospace Holdings Corp.
AeroAntenna Technology, Inc.			HEICO Aerospace Parts Corp.
AeroDesign, Inc.			HEICO East Corporation
AeroELT, LLC			HEICO Electronic Technologies Corp.
Aerospace & Commercial Technologies, LLC			HEICO Flight Support Corp.
Aerospace Coatings International, LLC			HEICO Parts Group, Inc.
Air Cost Control US, LLC			HEICO Repair Group Aerostructures, LLC
Aircraft Technology, Inc.			HEICO Repair, LLC
Analog Modules, Inc.			HETC I, LLC
Apex Holding Corp.			HETC II Corp.
Apex Microtechnology, Inc.			HETC III, LLC
ASC International, Inc.			HETC IV, LLC
Astro Property, LLC			HETC V, LLC
Astroseal Products Mfg. Corporation			HFSC III Corp.
Aviatron, Inc.			HFSC IV Corp.
Bay Equipment Corp.			HFSC V, LLC
Bernier Connect USA, Inc.			HFSC VI, LLC
Blue Aerospace LLC			HFSC VII, LLC
Camtronics, LLC			HFSC VIII, LLC
Capewell Aerial Systems LLC			HFSC XI Corp.
Carbon by Design Corporation			HFSC XII, LLC
Carbon by Design LLC			HNW2 Building Corp.
Charter Engineering, Inc.			HNW Building Corp.
Connectronics Corp.			HVT Group, Inc.
Conxall Corporation			Inertial Airline Services, Inc.

Name			Name
Intelligent Devices, LLC			Ridge HoldCo, LLC
IRCameras LLC			Robertson Fuel Systems, L.L.C.
Ironwood Electronics, Inc.			Rocky Mountain Hydrostatics, LLC
Jet Avion Corporation			Santa Barbara Infrared, Inc.
Jetseal, Inc.			Seal Dynamics LLC
Kitco, LLC			Seal Q Corp.
Leader Tech, Inc.			Sensor Systems, Inc.
LLP Enterprises, LLC			Sensor Technology Engineering, LLC
LPI Industries Corporation			Sierra Microwave Technology, LLC
Lucix Corporation			Silver Wings Aerospace, Inc.
Lumina Power, Inc.			Solid Sealing Technology, Inc.
McClain International, Inc.			Soundair Repair Group, LLC
Midwest Microwave Solutions, Inc.			Specialty Silicone Products, Inc.
Niacc-Avitech Technologies Inc.			Sunshine Avionics LLC
Northwings Accessories Corp.			Switchcraft Holdco, Inc.
Optical Display Engineering, Inc.			Switchcraft, Inc.
Optical Display Engineering, LLC			The Bechdon Company, LLC
Paciwave, Inc.			Thermal Energy Products, Inc.
PHS / MWA			Thermal Structures, Inc.
Pioneer Industries, LLC			Trad Tests & Radiations, Inc.
Prime Air, LLC			Transformational Security, LLC
Pyramid Semiconductor Corp.			TSID Holdings, LLC
Quell Corporation			TTT-Cubed, Inc.
R.H. Laboratories, Inc.			Turbine Kinetics, Inc.
Radiant Power Corp.			Wencor Acquisition, Inc.
Radiant Power IDC, LLC			Wencor Defense Intermediate Holdco, LLC
Radiant-Seacom Repairs Corp.			Wencor Defense, LLC
Ramona Research, Inc.			Wencor Group, LLC
Reinhold Holdings, Inc.			Wencor Investment I, LLC
Reinhold Industries, Inc.			Wencor MRO, LLC
Research Electronics International, L.L.C.			Wencor Parent, Inc.
Ridge Engineering, LLC			Wencor, LLC