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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 |
|---|---|---|---|
| Hartzell Propeller Service Center | mro | United States | hartzellservicecenter.com |
| Hatt & Associates | mro | United States | hattaviation.com |
| Haven Aero | private charter | United States | www.havenaero.com |
| Havens Aviation | flight training | United States | www.havensaviation.com |
| Hawaiian Airlines | airlines travel | United States | www.hawaiianairlines.com |
| Hawaii Flight Adventures, Inc. | flight training | United States | www.hawaii-flight-adventures.blogs |
| Hawk Aviation Inc. | flight training | United States | www.hawk-aviation.com |
| Hawthorne School of Aeronautics | flight training | United States | — |
| Haynes and Boone LLP | professional services |
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
| United States |
| haynesboone.com |
| Hayward Flight, LLC. | flight training | United States | www.haywardflight.com |
| Heads Up Technologies | aerospace manufacturing | United States | www.heads-up.com |
| HealthNet Aeromedical Services | air medical | United States | hnmed.org |
| Health Services Integration | air medical | United States | hsihealth.com |
| Heart Aerospace | professional services | United States | heartaerospace.com |
| Heartland Enterprises, Ltd. | parts supply | United States | heartlandmachining.com |
| Heaven's Landing | professional services | United States | heavenslanding.com |
| Heico Corporation | aerospace manufacturing | United States | www.heico.com |
| Helicopter Academy | flight training | United States | helicopteracademy.com |
| Helicopter Flight Training Inc. | flight training | United States | www.helicopterflighttraininginc.co |
| Helicopter Institute | private charter | United States | www.helicopterinstitute.com |
| Helicopter Marketing Associates | mro | United States | www.hmahelicopters.com |
| Helicopter Specialties | avionics systems | United States | www.helicopterspecialtiesinc.com |
| Helicopter Technology Company | helicopter services | United States | www.helicoptertech.com |
| Helicopter Work Aids | helicopter services | United States | helicopterworkaids.com |
| Heli-Dunn | helicopter services | United States | www.heli-dunn.com |
| Heliflite | private charter | United States | www.heliflite.com |
| Heli-Mart | helicopter services | United States | helimart.com |
| Helimedic | air medical | United States | helimedic.us |
| HeliNY | private charter | United States | heliny.com |
| HeliOps Magazine | helicopter services | United States | www.heliopsmag.com |
| Helios Aviation | flight training | United States | — |
| Heliponents, Inc. | helicopter services | United States | heliponentsinc.com |
| Helistrand | aerospace manufacturing | United States | helistrand.com |
| Heliwagon | parts supply | United States | www.heliwagon.com |
| Henderson Executive Airport FBO, Las Vegas (KHND) | fbo ground handling | United States | hnd.aero |
| Henderson State University | flight training | United States | www.hsu.edu/aviation |
| Hendricks County Aviation | flight training | United States | www.flyhca.com |
| Heritage Aviation (Burlington, Vermont) | mro | United States | flyheritage.com |
| Hermetic Seal (AMETEK) | aerospace manufacturing | United States | www.hermeticseal.com |
| Hermeus Corporation | professional services | United States | www.hermeus.com |
| H.E.R.O.S. Inc. | helicopter services | United States | www.precisionaviationgroup.com/our |
| Hexcel Corporation | aerospace manufacturing | United States | www.hexcel.com |
| High Altitude Flying Company | flight training | United States | — |
| High Class Aero | parts supply | United States | highclassaero.com |
| High Flight Academy | flight training | United States | highflightacademy.com |
| High Flying Hangars | professional services | United States | highflyinghangars.com |
| High Tide Aviation | flight training | United States | hightideaviation.com |
| HII | aerospace manufacturing | United States | www.hii.com |
| Hill Aircraft & Leasing Corporation | fbo ground handling | United States | hillaircraft.com |
| Hill Country Aviation | flight training | United States | — |