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5,910 checked entries across 18 sectors. Every listing carries the source and date of its data.
| Company | Sector | Location | Website |
|---|---|---|---|
| Hillsboro Aero Academy | flight training | United States | www.flyhaa.com |
| Hilton Head Flight School | flight training | United States | hiltonheadflightschool.com |
| Hilton Head Flight Training | flight training | United States | www.hiltonheadflighttraining.com |
| Hilton Software LLC | avionics systems | United States | hiltonsoftware.com |
| Hinds Community College | flight training | United States | www.hindscc.edu |
| Hogan Flying Service | flight training | United States | www.hoganflyingservice.com |
| Hogan Lovells | professional services | United States | hoganlovells.com |
| Ho-Ho-Kus Inc | aerospace manufacturing | United States | hohokusinc.com |
| Holland & Hart LLP |
Private Charter 2,487Flight Training 715Professional Services 626Parts & Equipment 374Aerospace Manufacturing 347Airlines & Travel 278Air Ambulance & Medical 246Maintenance & Repair (MRO) 192Avionics & Systems 189Cargo & Logistics 178FBO & Ground Handling 176Helicopter Services 49Drone & UAV 17Aircraft Management 13Defence & Government 8Events & Associations 7Airports 5Universities & Research 3
| professional services |
| United States |
| hollandhart.com |
| Hollywood Town Car and Limousine | fbo ground handling | United States | hollywoodlimousine.com |
| Holstein Aviation | professional services | United States | www.holsteinaviation.com |
| Holy Aero Inc. | parts supply | United States | holyaero.com |
| Honda Aircraft Company | aerospace manufacturing | United States | www.hondajet.com |
| Hondo Aerospace | mro | United States | hondoaerospace.com |
| Honeywell Aerospace | aerospace manufacturing | United States | www.honeywellaerospace.com |
| Honeywell Aerospace (Aerospace Systems) | avionics systems | United States | aerospace.honeywell.com |
| Honeywell Sensing Technologies | aerospace manufacturing | United States | automation.honeywell.com/us/en/ind |
| Hoosier Aviation | flight training | United States | www.hoosieraviation.com |
| Hoovers Aircraft Interiors | aerospace manufacturing | United States | www.hooversaircraftinteriors.com |
| Hop-A-Jet | private charter | United States | hopajetworldwide.com |
| Hope In The Air, Inc. | parts supply | United States | www.h-ita.com |
| HopFlyt | professional services | United States | www.hopflyt.com |
| Horizon AirGroup Financing | professional services | United States | horizonairgroup.com |
| Horizon Aviation | flight training | United States | www.horizonaviation.com |
| Horizon Aviation Group | aircraft management | United States | www.horizonavgroup.com |
| Horizon Avionics Inc. | avionics systems | United States | www.horizonavionics.com |
| Horizon Flight Center | flight training | United States | www.horizonflightcenter.com |
| Horizons Incorporated | parts supply | United States | horizons-inc.com |
| Hortman Aviation Services, Inc. | flight training | United States | — |
| Houston Airport Taxi and limousine service | fbo ground handling | United States | www.limopride.com |
| Houston Flight Training | flight training | United States | — |
| Houston JetDirect | private charter | United States | — |
| Houston Limo Chauffeur | fbo ground handling | United States | www.houstonlimochauffeur.com |
| Houston Luxury Rides | fbo ground handling | United States | www.houstonluxuryrides.com |
| Houston VIP Taxi | fbo ground handling | United States | www.houstonviptaxi.com |
| HOVA Flight Services | flight training | United States | www.flyhova.com |
| Hoversurf | professional services | United States | www.hoversurf.com |
| Howell Instruments, Inc. | parts supply | United States | www.howellinst.com |
| Howmet Fastening Systems | aerospace manufacturing | United States | www.howmet.com/fastening-systems |
| HP Helicopters | private charter | United States | www.hphelicopters.com |
| Hub City Aviation | flight training | United States | www.hubcityaviation.com |
| Hub International Aviation Insurance | professional services | United States | hubinternational.com |
| Huff-Daland Aero Corporation | aerospace manufacturing | United States | — |
| Huffman Aviation | flight training | United States | www.flyhuffman.com |
| Huffy's Airport Windsocks | fbo ground handling | United States | huffyswindsocks.com |
| Hughes Aerospace Corporation | avionics systems | United States | hughesaerospace.com |
| Hughes Hubbard & Reed LLP | professional services | United States | hugheshubbard.com |
| Humboldt Helicopters | flight training | United States | www.humboldtheli.com |
| Hummingbird Aviation, LLC. | flight training | United States | www.hummingbirdhelicopters.us |
| Hunt Thornton Flight | flight training | United States | — |