| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Air Turbine Technology Inc. | USA | |
| 2 | Cameron | USA | |
| 3 | Barber-Nichols Inc. | USA | |
| 4 | Howden North America | USA | |
| 5 | Atlas Copco Compressors LLC | USA | |
| 6 | Thibado Inc. | USA | |
| 7 | Gardner Denver Inc. | USA | |
| 8 | FS-Elliott Co. LLC | USA | |
| 9 | Danfoss Compressors Inc. | USA | |
| 10 | Elliott Group | USA | |
| 11 | Ware Inc. | USA | |
| 12 | Sundyne | USA | |
| 13 | Turbonetics Inc. | USA | |
| 14 | Turbo Machined Products LLC | USA | |
| 15 | Bayliss Machine & Welding Co. LLP | USA | |
| 16 | ALMiG USA Corporation | USA | |
| 17 | Turbotech | USA | |
| 18 | Siemens Energy | USA | |
| 19 | Dresser-Rand Co. | USA | |
| 20 | Marine Spares International | USA | |
| 21 | Turbodyne Technologies Inc. | USA |
