| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Senior Aerospace – SSP | USA | |
| 2 | GE Honda Aero Engines LLC. | USA | |
| 3 | Ramgen Power Systems LLC | USA | |
| 4 | GE Aviation | USA | |
| 5 | Universal Turbine Parts Inc. | USA | |
| 6 | U.S. Microjet LLC | USA | |
| 7 | Arneson Industries LLC | USA | |
| 8 | International Turbine Service | USA | |
| 9 | Sorensen Systems LLC | USA | |
| 10 | BERGEN RC HELICOPTERS INC | USA | |
| 11 | Pittsburgh Electric Engines Incorporated | USA | |
| 12 | Mil-Spec Industries | USA | |
| 13 | Continental Wind Power Inc. | USA | |
| 14 | Turbomeca USA | USA |
