EX-21 3 a103124heiq4exhibit21.htm EX-21
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
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
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
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
Aftermarket Spares & Services, LLC | Delaware
Aerospace Coatings International, LLC | Delaware
Absolute Aviation Services, LLC | Delaware
Soundair Repair Group, LLC | Delaware
Xtra Aerospace, LLC | Delaware
Wencor MRO, LLC | Delaware
Wencor Defense, LLC | Delaware
Wencor Defense Intermediate Holdco, LLC | Delaware
ASC International, Inc. | Texas
Aero-Glen International, LLC | Texas
HFSC XII, LLC | Florida
Capewell Europe Limited | United Kingdom
Capewell Aerial Systems LLC | Ohio
Capewell Property, LLC | Connecticut

| 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
3D Plus U.S.A., Inc. | Delaware
Bernier Connect USA, Inc. | Florida
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
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
8929 Fullbright Property, LLC | California
Ironwood Electronics, Inc. | Minnesota

| State or Other
Name | Jurisdiction of Incorporation
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
SVM Private Limited* | India
HETC VIII, LLC | Florida
Marway Power Systems, Inc. | California
HETC IX, LLC | Florida
Mid Continent Controls, Inc. | Kansas
Chip Design Systems Holdings, LLC | Florida
Bay Equipment Corp. | Delaware
HEICO East Corporation | Florida
16-1741 Property, Inc. | Florida

*Acquired November 2024