| ADAC-AmbulanceService | Germany |
| AeroCare Air Ambulance Service Inc | United Kingdom |
| Aeromed 365 Ltd | United Kingdom |
| Air Ambulance International | United States of America |
| Air Ambulance Professionals Inc. | United States of America |
| Air Ambulance Specialists | United States of America |
| Alba Consulting | United Kingdom |
| Alpha Medical | United Kingdom |
| AMREF Flying Doctor Service | Kenya |
| Angels of Flight Canada Inc | Canada |
| Asia Air Ambulance | Thailand |
| Asia Medical Assistance | India |
| Aviation Consultants | United Kingdom |
| CEGA Air Ambulance | United Kingdom |
| European Air Ambulance | Luxembourg |
| European Global Jet | United Kingdom |
| Fly Me Now | United Kingdom |
| Fox Flight | Canada |
| German Red Cross Assistance | Germany |
| Helicópteros Sanitarios, S.A | Spain |
| IAS Medical | United Kingdom |
| Inter Partner Assistance Group | China |
| International SOS | United States of America |
| Life Flight International Inc | Canada |
| Lufthansa German Airlines | Germany |
| Medical Rescue International | United States of America |
| Mediforce | United Kingdom |
| Medilink International Air Ambulance | Malta |
| Med-Trans | United States of America |
| Meera Rescue Services | India |
| NRMA CareFlight | Australia |
| Skyservice Air Ambulance | Canada |
| Superior Care | United Kingdom |
| Svensk Flygambulans AB | Sweden |
| Swiss Air-Ambulance | Switzerland |
| Tyrol Air Ambulance | Austria |
| Ustanova za zdravstvenu njegu | Croatia |
| Voyageur Aeromedical Travel | United Kingdom |
