Exhibit 22

GUARANTOR SUBSIDIARIES OF HEICO CORPORATION

As of August 25, 2025, 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.			Conxall Corporation
26 Ward Hill Property, LLC			CSI Aerospace, Inc.
3 McCrea Property Company, LLC			dB Control Corp.
34 Freedom Court, Corp.			Decavo LLC
3D Plus U.S.A., Inc.			Dielectric Sciences, Inc.
60 Sequin LLC			Dixie Aerospace, LLC
8929 Fullbright Property, LLC			Dukane Seacom, Inc.
Absolute Aviation Services, LLC			Engineering Design Team, Inc.
Accessory Technologies Corporation			Fortner Eng. & Mfg. Inc.
Accurate Metal Machining, Inc.			Future Aviation, Inc.
Action Research Corporation			Harter Aerospace, LLC
Aero-Glen International, LLC			HEICO Aerospace Corporation
AeroAntenna Technology, Inc.			HEICO Aerospace Holdings Corp.
AeroDesign, Inc.			HEICO Aerospace Parts Corp.
AeroELT, LLC			HEICO East Corporation
Aerospace & Commercial Technologies, LLC			HEICO Electronic Technologies Corp.
Aerospace Coatings International, LLC			HEICO Flight Support Corp.
Air Cost Control US, LLC			HEICO Parts Group, Inc.
Aircraft Technology, Inc.			HEICO Repair Group Aerostructures, LLC
Analog Modules, Inc.			HEICO Repair, LLC
Apex Holding Corp.			HETC I, LLC
Apex Microtechnology, Inc.			HETC II Corp.
ASC International, Inc.			HETC III, LLC
Astro Property, LLC			HETC IV, LLC
Astroseal Products Mfg. Corporation			HETC V, LLC
Aviatron, Inc.			HETC VIII, LLC
Bay Equipment Corp.			HETC IX, LLC
Bernier Connect USA, Inc.			HFSC III Corp.
Blue Aerospace LLC			HFSC IV Corp.
Camtronics, LLC			HFSC V, LLC
Capewell Aerial Systems LLC			HFSC VI, LLC
Capewell Property, LLC			HFSC VII, LLC
Carbon by Design Corporation			HFSC VIII, LLC
Carbon by Design LLC			HFSC XI Corp.
Charter Engineering, Inc.			HFSC XII, LLC
Connectronics Corp.			HFSC XIII, LLC

Name			Name
HNW2 Building Corp.			Reinhold Industries, Inc.
HNW Building Corp.			Research Electronics International, L.L.C.
HVT Group, Inc.			Ridge Engineering, LLC
ICS Aero, LLC			Ridge HoldCo, LLC
Inertial Airline Services, Inc.			Robertson Fuel Systems, L.L.C.
Intelligent Devices, LLC			Rocky Mountain Hydrostatics, LLC
IRCameras LLC			Rosen Aviation, LLC
Ironwood Electronics, Inc.			Santa Barbara Infrared, Inc.
Jet Avion Corporation			Seal Dynamics LLC
Jetseal, Inc.			Seal Q Corp.
Kitco, LLC			Sensor Systems, Inc.
Leader Tech, Inc.			Sensor Technology Engineering, LLC
LLP Enterprises, LLC			Sierra Microwave Technology, LLC
LPI Industries Corporation			Silver Wings Aerospace, Inc.
Lucix Corporation			Solid Sealing Technology, Inc.
Lumina Power, Inc.			Soundair Repair Group, LLC
Marway Power Systems, Inc.			Specialty Silicone Products, Inc.
McClain International, Inc.			Sunshine Avionics LLC
Midwest Microwave Solutions, Inc.			Switchcraft Holdco, Inc.
Mid Continent Controls, Inc.			Switchcraft, Inc.
Millennium International, L.L.C.			The Bechdon Company, LLC
Niacc-Avitech Technologies Inc.			Thermal Energy Products, Inc.
Northwings Accessories Corp.			Thermal Structures, Inc.
Optical Display Engineering, Inc.			Trad Tests & Radiations, Inc.
Optical Display Engineering, LLC			Transformational Security, LLC
Paciwave, Inc.			TSID Holdings, LLC
PHS / MWA			TTT-Cubed, Inc.
Pioneer Industries, LLC			Turbine Kinetics, Inc.
Prime Air, LLC			Wencor Acquisition, Inc.
Pyramid Semiconductor Corp.			Wencor Defense Intermediate Holdco, LLC
Quell Corporation			Wencor Defense, LLC
R.H. Laboratories, Inc.			Wencor Group, LLC
Radiant Power Corp.			Wencor Investment I, LLC
Radiant Power IDC, LLC			Wencor MRO, LLC
Radiant-Seacom Repairs Corp.			Wencor Parent, Inc.
Ramona Research, Inc.			Wencor, LLC
Reinhold Holdings, Inc.