| HARTER AEROSPACE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Dec 11, 2014 | Active |
| NIACC-AVITECH TECHNOLOGIES INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Mar 7, 2003 | Active |
| DB CONTROL CORP.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 26, 2010 | Active |
| SENSOR TECHNOLOGY ENGINEERING, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 25, 2018 | Active |
| IRCAMERAS LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 27, 2011 | Active |
| PYRAMID SEMICONDUCTOR CORP.Location not reported, FL · Active | Location not reported, FL | Corporation | Feb 22, 2021 | Active |
| FUTURE AVIATION, INC.Fort Myers, FL · Active | Fort Myers, FL | Corporation | May 26, 2000 | Active |
| HFSC XIII, LLCHollywood, FL · Active | Hollywood, FL | LLC | Nov 18, 2024 | Active |
| HETC IX, LLCHollywood, FL · Active | Hollywood, FL | LLC | Sep 12, 2024 | Active |
| HETC VIII, LLCHollywood, FL · Active | Hollywood, FL | LLC | Sep 3, 2024 | Active |
| 34 FREEDOM COURT, CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jan 10, 2023 | Active |
| HFSC VIII, LLCHollywood, FL · Active | Hollywood, FL | LLC | Apr 21, 2021 | Active |
| HFSC VII, LLCHollywood, FL · Active | Hollywood, FL | LLC | May 13, 2020 | Active |
| HEICO REPAIR, LLCHollywood, FL · Active | Hollywood, FL | LLC | Jun 21, 2019 | Active |
| LLP ENTERPRISES, LLCHollywood, FL · Active | Hollywood, FL | LLC | Feb 8, 2017 | Active |
| HFSC IV CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jan 20, 2017 | Active |
| HFSC III CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Dec 1, 2014 | Active |
| SEAL Q CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jun 5, 2014 | Active |
| OPTICAL DISPLAY ENGINEERING, INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Dec 26, 2012 | Active |
| HEICO FLIGHT SUPPORT CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jul 20, 2012 | Active |
| 16-1741 PROPERTY, INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Jan 24, 2012 | Active |
| 3D ACQUISITION CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Sep 6, 2011 | Active |
| DE-ICING INVESTMENT HOLDINGS CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Aug 6, 2010 | Active |
| HEICO PARTS GROUP, INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Jul 25, 2008 | Active |
| DYNATECH ACQUISITION CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jan 2, 2008 | Active |
| EMD ACQUISITION CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Sep 5, 2007 | Active |
| MERIDIAN INDUSTRIAL, INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Sep 4, 2007 | Active |
| DEC TECHNOLOGIES, INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Jun 26, 2007 | Active |
| HNW 2 BUILDING CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Dec 6, 2004 | Active |
| JA ENGINEERING I CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jun 10, 2004 | Active |
| JA ENGINEERING II CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Jun 10, 2004 | Active |
| AVIATION FACILITIES, INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Oct 9, 2001 | Active |
| HEICO AEROSPACE PARTS CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Sep 7, 2001 | Active |
| ATK ACQUISITION CORP.Hollywood, FL · Active | Hollywood, FL | Corporation | Feb 9, 2001 | Active |
| EXXELIA USA, INC.Longwood, FL · Active | Longwood, FL | Corporation | Jun 28, 2016 | Active |
| BOOKKEEPING ADMINS CORPMiami, FL · Active | Miami, FL | Corporation | Mar 28, 2024 | Active |
| HETC IV, LLCMiami, FL · Active | Miami, FL | LLC | Dec 16, 2019 | Active |
| HETC III, LLCMiami, FL · Active | Miami, FL | LLC | Jan 11, 2019 | Active |
| HETC II CORP.Miami, FL · Active | Miami, FL | Corporation | Nov 15, 2018 | Active |
| 3 MCCREA PROPERTY COMPANY, LLCMiami, FL · Active | Miami, FL | LLC | Oct 15, 2018 | Active |
| HEICO REPAIR GROUP AEROSTRUCTURES, LLCMiami, FL · Active | Miami, FL | LLC | Aug 21, 2017 | Active |
| AD HEICO ACQUISITION CORP.Miami, FL · Active | Miami, FL | Corporation | Jun 8, 2001 | Active |
| VIVIAN MACHADO, PLLCMiramar, FL · Active | Miramar, FL | LLC | Mar 20, 2018 | Active |
| SUNSHINE AVIONICS LLCMiramar, FL · Active | Miramar, FL | LLC | Feb 5, 2008 | Active |
| MACHADO CARE LLCNaples, FL · Active | Naples, FL | LLC | Feb 4, 2022 | Active |
| SILVER WINGS AEROSPACE, INC.Princeton, FL · Active | Princeton, FL | Corporation | Feb 16, 2007 | Active |
| AEROELT, LLCSarasota, FL · Active | Sarasota, FL | LLC | Mar 8, 2018 | Active |
| RADIANT POWER IDC, LLCSarasota, FL · Active | Sarasota, FL | LLC | Oct 25, 2017 | Active |
| RADIANT-SEACOM REPAIRS CORP.Sarasota, FL · Active | Sarasota, FL | Corporation | Feb 14, 2014 | Active |
| DUKANE SEACOM, INC.Sarasota, FL · Active | Sarasota, FL | Corporation | Oct 1, 2009 | Active |