Exhibit 21
SUBSIDIARIES OF HEICO CORPORATION
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| HEICO Aerospace Holdings Corp. | Florida | ||||
| HEICO Aerospace Corporation | Florida | ||||
| Jet Avion Corporation | Florida | ||||
| LPI Industries Corporation | Florida | ||||
| Parts Advantage, LLC | Delaware | ||||
| McClain International, Inc. | Georgia | ||||
| Rogers-Dierks, Inc. | Florida | ||||
| Turbine Kinetics, Inc. | Florida | ||||
| ATK Acquisition Corp. | Florida | ||||
| AD HEICO Acquisition Corp. | Florida | ||||
| AeroDesign, Inc. | Tennessee | ||||
| Battery Shop, L.L.C. | Tennessee | ||||
| Aviation Facilities, Inc. | Florida | ||||
| JA Engineering I Corp. | Florida | ||||
| JA Engineering II Corp. | Florida | ||||
| Jetavi Engineering Private Limited | India | ||||
| DEC Technologies, Inc. | Florida | ||||
| Meridian Industrial, Inc. | Florida | ||||
| Dynatech Acquisition Corp. | Florida | ||||
| HEICO Parts Group, Inc. | Florida | ||||
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| HEICO Flight Support Corp. | Florida | ||||
| HEICO Repair, LLC | Florida | ||||
| Aircraft Technology, Inc. | Florida | ||||
| Northwings Accessories Corp. | Florida | ||||
| Aviation Engineered Services Corp. | Florida | ||||
| HEICO Repair Group Aerostructures, LLC | Florida | ||||
| Future Aviation, Inc. | Florida | ||||
| Inertial Airline Services, Inc. | Ohio | ||||
| HEICO Aerospace Parts Corp. | Florida | ||||
| Niacc-Avitech Technologies Inc. | Florida | ||||
| Prime Air, LLC | Florida | ||||
| Avisource Limited | United Kingdom | ||||
| Prime Air Europe Limited | United Kingdom | ||||
| Sunshine Avionics LLC | Florida | ||||
| HNW Building Corp. | Florida | ||||
| HNW2 Building Corp. | Florida | ||||
| CSI Aerospace, Inc. | Florida | ||||
| Action Research Corporation | Florida | ||||
| Reinhold Holdings, Inc. | Delaware | ||||
| Reinhold Industries, Inc. | Delaware | ||||
| Carbon by Design Corporation | Florida | ||||
| Carbon by Design LLC | California | ||||
| Optical Display Engineering, Inc. | Florida | ||||
| Optical Display Engineering, LLC | Florida | ||||
| Thermal Structures, Inc. | California | ||||
| Thermal Energy Products, Inc. | California | ||||
| Jetseal, Inc. | Delaware | ||||
| Seal Dynamics LLC | Florida | ||||
| Seal Dynamics LLC (Singapore Branch) | Singapore | ||||
| Seal Dynamics Limited | United Kingdom | ||||
| Seal Q Corp. | Florida | ||||
| Blue Aerospace LLC | Florida | ||||
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| HEICO International Holdings B.V. | Netherlands | ||||
| Aeroworks International Holding B.V. | Netherlands | ||||
| Aeroworks Europe B.V. | Netherlands | ||||
| Aeroworks (Lao) Co., Ltd. | Laos | ||||
| DIRI Co., Ltd. | Laos | ||||
| Aeroworks Lao II Co., Ltd. | Laos | ||||
| Aeroworks (Asia) Ltd. | Thailand | ||||
| Aeroworks Manufacturing Services (Asia) Ltd. | Thailand | ||||
| Aeroworks Composites (Asia) Ltd. | Thailand | ||||
| HFSC III Corp. | Florida | ||||
| Harter Aerospace, LLC | Florida | ||||
| Aerospace & Commercial Technologies, LLC | Florida | ||||
| Astroseal Products Mfg. Corporation | Connecticut | ||||
| Astro Property, LLC | Connecticut | ||||
| HFSC IV Corp. | Florida | ||||
| LLP Enterprises, LLC | Florida | ||||
| Air Cost Control US, LLC | Florida | ||||
| Air Cost Control PTE, Ltd. | Singapore | ||||
| A2C Air Cost Control SAS | France | ||||
| Air Cost Control Germany GmbH | Germany | ||||
| 60 Sequin LLC | Connecticut | ||||
| HFSC V, LLC | Florida | ||||
| Decavo LLC | Oregon | ||||
| HFSC VI, LLC | Florida | ||||
| Accurate Metal Machining, Inc. | Ohio | ||||
| HFSC VII, LLC | Florida | ||||
| Rocky Mountain Hydrostatics, LLC | Colorado | ||||
| Camtronics, LLC | Florida | ||||
| HFSC VIII, LLC | Florida | ||||
| Ridge HoldCo, LLC | Florida | ||||
| Ridge Engineering, LLC | Maryland | ||||
| Breidon, LLC | Maryland | ||||
| The Bechdon Company, LLC | Maryland | ||||
| 6707 Whitestone LLC | Maryland | ||||
| HFSC XI Corp. | Florida | ||||
| Pioneer Industries, LLC | Delaware | ||||
| HEICO Engineered Systems Corp. | Florida | ||||
| 34 Freedom Court, Corp. | Florida | ||||
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| Wencor Parent, Inc. | Delaware | ||||
| Wencor Acquisition, Inc. | Delaware | ||||
| Wencor Investment I, LLC | Delaware | ||||
| Wencor Group, LLC | Delaware | ||||
| ASC International, Inc. | Texas | ||||
| Kitco, LLC | Utah | ||||
| Wencor, LLC | Utah | ||||
| Fortner Eng. & Mfg. Inc. | California | ||||
| Silver Wings Aerospace, Inc. | Florida | ||||
| Aviatron, Inc. | Vermont | ||||
| PHS / MWA | California | ||||
| Silver Fox Services, Inc. | North Carolina | ||||
| Accessory Technologies Corporation | New York | ||||
| Wencor Asia Pacific PTE. LTD. | Singapore | ||||
| Wencor China Holding Company Limited | Hong Kong | ||||
| Wencor Aviation Services Co., Ltd. | China | ||||
| Aftermarket Spares & Services Ltd. | United Kingdom | ||||
| Wencor, LLC (Netherlands Branch) | Netherlands | ||||
| Wencor, LLC (Turkey Branch) | Turkey | ||||
| Wencor, LLC (Singapore Branch) | Singapore | ||||
| Wencor, LLC (Spain Branch) | Spain | ||||
| Integrated Supplier Alliance, LLC | Delaware | ||||
| Dixie Aerospace, LLC | Delaware | ||||
| Flight Line Products, LLC | Delaware | ||||
| Aftermarket Spares & Services, LLC | Delaware | ||||
| Aerospace Coatings International, LLC | Delaware | ||||
| Absolute Aviation Services, LLC | Delaware | ||||
| Star Aero, LLC | Arizona | ||||
| Soundair Repair Group, LLC | Delaware | ||||
| Xtra Aerospace, LLC | Delaware | ||||
| Wencor MRO, LLC | Delaware | ||||
| Wencor Defense, LLC | Delaware | ||||
| Wencor Defense Intermediate Holdco, LLC | Delaware | ||||
| Aero-Glen International, LLC | Texas | ||||
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| HEICO Electronic Technologies Corp. | Florida | ||||
| Radiant Power Corp. | Florida | ||||
| Radiant-Seacom Repairs Corp. | Florida | ||||
| HETC IV, LLC | Florida | ||||
| Radiant Power IDC, LLC | Florida | ||||
| Radiant Power PR LLC | Puerto Rico | ||||
| Leader Tech, Inc. | Florida | ||||
| FerriShield, Inc. | Pennsylvania | ||||
| Santa Barbara Infrared, Inc. | California | ||||
| IRCameras LLC | Florida | ||||
| Sensor Technology Engineering, LLC | Florida | ||||
| Analog Modules, Inc. | Florida | ||||
| Sierra Microwave Technology, LLC | Delaware | ||||
| Connectronics Corp. | Florida | ||||
| Lumina Power, Inc. | Florida | ||||
| 26 Ward Hill Property, LLC | Florida | ||||
| De-Icing Investment Holdings Corp. | Florida | ||||
| HVT Group, Inc. | Delaware | ||||
| Dielectric Sciences, Inc. | Massachusetts | ||||
| Essex X-Ray & Medical Equipment LTD | United Kingdom | ||||
| High Voltage Technology Limited | United Kingdom | ||||
| Engineering Design Team, Inc. | Oregon | ||||
| EMD Acquisition Corp. | Florida | ||||
| EMD Technologies Incorporated | Canada | ||||
| VPT, Inc. | Virginia | ||||
| SI-REL, Inc. | Delaware | ||||
| SST Components, Inc. | Delaware | ||||
| VPT GaN, LLC | Virginia | ||||
| Dukane Seacom, Inc. | Florida | ||||
| AeroELT, LLC | Florida | ||||
| dB Control Corp. | Florida | ||||
| Paciwave, Inc. | California | ||||
| Charter Engineering, Inc. | Florida | ||||
| TTT-Cubed, Inc. | California | ||||
| 3D Acquisition Corp. | Florida | ||||
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| 3D Plus SAS | France | ||||
| Bernier Connect SAS | France | ||||
| TRAD Tests & Radiations SAS | France | ||||
| TRAD Mpt, Test & Radiations SARL | France | ||||
| 3D Plus U.S.A., Inc. | Delaware | ||||
| Trad Tests & Radiations, Inc. | Florida | ||||
| Switchcraft Holdco, Inc. | Delaware | ||||
| Switchcraft, Inc. | Illinois | ||||
| Conxall Corporation | Illinois | ||||
| Switchcraft Far East Company, Ltd. | Republic of South Korea | ||||
| Ramona Research, Inc. | California | ||||
| Mastiff Design, Inc. | Florida | ||||
| Lucix Corporation | California | ||||
| Flight Microwave Corporation | California | ||||
| Midwest Microwave Solutions, Inc. | Iowa | ||||
| Robertson Fuel Systems, L.L.C. | Arizona | ||||
| AeroAntenna Technology, Inc. | California | ||||
| HETC I, LLC | Florida | ||||
| Research Electronics International, L.L.C. | Tennessee | ||||
| Specialty Silicone Products, Inc. | New York | ||||
| 3 McCrea Property Company, LLC | Florida | ||||
| HETC II Corp. | Florida | ||||
| Apex Holding Corp. | Delaware | ||||
| Apex Microtechnology, Inc. | Arizona | ||||
| HETC III, LLC | Florida | ||||
| Solid Sealing Technology, Inc. | New York | ||||
| Quell Corporation | Colorado | ||||
| HETC V, LLC | Florida | ||||
| TSID Holdings, LLC | Florida | ||||
| Transformational Security, LLC | Maryland | ||||
| Intelligent Devices, LLC | Delaware | ||||
| 1260041 B.C. LTD. | Canada | ||||
| Connect Tech Inc. | Canada | ||||
| Connect Tech Real Estate Holdings Inc. | Canada | ||||
| Pyramid Semiconductor Corp. | Florida | ||||
| R.H. Laboratories, Inc. | New Hampshire | ||||
| Sensor Systems, Inc. | Nevada | ||||
| State or Other | |||||
| Name | Jurisdiction of Incorporation | ||||
| 8929 Fullbright Property, LLC | California | ||||
| Ironwood Electronics, Inc. | Minnesota | ||||
| HETC VII, LLC | Florida | ||||
| Exxelia Electronic Technologies SAS | France | ||||
| Exxelia International SAS | France | ||||
| Exxelia SAS | France | ||||
| Exxelia USA, Inc. | Delaware | ||||
| Micropen Technologies Corporation | New York | ||||
| Papermill Place Inc. | New York | ||||
| Exxelia Maroc SA | Morocco | ||||
| Exxelia Vietnam Company Limited | Vietnam | ||||
| Alcon Electronics Pvt. Ltd. | India | ||||
| Alcap Electronics Pvt. Ltd. | India | ||||
| Exxelia Singapore PTE Ltd | Singapore | ||||
| N'Ergy China | China | ||||
| Exxelia Northern Europe (Sweden Branch) | Sweden | ||||
| Bay Equipment Corp. | Delaware | ||||
| HEICO East Corporation | Florida | ||||
| 16-1741 Property, Inc. | Florida | ||||