Exhibit 22

GUARANTOR SUBSIDIARIES OF HEICO CORPORATION

As of December 19, 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			Gables Engineering, Inc.
Aero-Glen International, LLC			Harter Aerospace, LLC
AeroAntenna Technology, Inc.			HEICO Aerospace Corporation
AeroDesign, Inc.			HEICO Aerospace Holdings Corp.
AeroELT, LLC			HEICO Aerospace Parts Corp.
Aerospace & Commercial Technologies, LLC			HEICO East Corporation
Aerospace Coatings International, LLC			HEICO Electronic Technologies Corp.
Air Cost Control US, LLC			HEICO Flight Support Corp.
Aircraft Technology, Inc.			HEICO Parts Group, Inc.
Analog Modules, Inc.			HEICO Repair Group Aerostructures, LLC
Apex Holding Corp.			HEICO Repair, LLC
Apex Microtechnology, Inc.			HETC I, LLC
ASC International, Inc.			HETC II Corp.
Astro Property, LLC			HETC III, LLC
Astroseal Products Mfg. Corporation			HETC IV, LLC
Aviatron, Inc.			HETC V, LLC
Bay Equipment Corp.			HETC VIII, LLC
Bernier Connect USA, Inc.			HETC IX, LLC
Blue Aerospace LLC			HFSC III Corp.
Camtronics, LLC			HFSC IV Corp.
Capewell Aerial Systems LLC			HFSC V, LLC
Capewell Property, LLC			HFSC VI, LLC
Carbon by Design Corporation			HFSC VII, LLC
Carbon by Design LLC			HFSC VIII, LLC
Charter Engineering, Inc.			HFSC XI Corp.
Connectronics Corp.			HFSC XII, LLC

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Name			Name
HFSC XIII, LLC			Reinhold Industries, Inc.
HNW2 Building Corp.			Research Electronics International, L.L.C.
HNW Building Corp.			Ridge Engineering, LLC
HVT Group, Inc.			Ridge HoldCo, LLC
ICS Aero, LLC			Robertson Fuel Systems, L.L.C.
Inertial Airline Services, Inc.			Rocky Mountain Hydrostatics, LLC
Intelligent Devices, LLC			Rosen Aviation, LLC
IRCameras LLC			Santa Barbara Infrared, Inc.
Ironwood Electronics, Inc.			Seal Dynamics LLC
Jet Avion Corporation			Seal Q Corp.
Jetseal, Inc.			Sensor Systems, Inc.
Kitco, LLC			Sensor Technology Engineering, LLC
Leader Tech, Inc.			Sierra Microwave Technology, LLC
LLP Enterprises, LLC			Silver Wings Aerospace, Inc.
LPI Industries Corporation			Solid Sealing Technology, Inc.
Lucix Corporation			Soundair Repair Group, LLC
Lumina Power, Inc.			Specialty Silicone Products, Inc.
Marway Power Systems, Inc.			Sunshine Avionics LLC
McClain International, Inc.			Switchcraft Holdco, Inc.
Mid Continent Controls, Inc.			Switchcraft, Inc.
Midwest Microwave Solutions, Inc.			The Bechdon Company, LLC
Millennium International, L.L.C.			Thermal Energy Products, Inc.
Niacc-Avitech Technologies Inc.			Thermal Structures, Inc.
Northwings Accessories Corp.			Trad Tests & Radiations, Inc.
Optical Display Engineering, Inc.			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.