| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Turbine Services Ltd. | USA | |
| 2 | EthosEnergy | USA | |
| 3 | A. S. Thomas Inc. | USA | |
| 4 | Hilti Inc. | USA | |
| 5 | Therm Corp. | USA | |
| 6 | Global Tech Services LLC | USA | |
| 7 | Unique Systems Inc. | USA | |
| 8 | Altair Technologies Inc. | USA | |
| 9 | CTM Corp. | USA | |
| 10 | Turbo Dynamics Corp. | USA | |
| 11 | Severson Industries | USA | |
| 12 | R N D Works Inc. | USA | |
| 13 | IE & E Industries Inc. | USA | |
| 14 | Sorensen Systems LLC | USA | |
| 15 | Turbo Machined Products LLC | USA | |
| 16 | Schmidt Industries | USA | |
| 17 | Electro-Jet Tool & Mfg. Co. Inc. | USA | |
| 18 | Omega Turbine Components Inc. | USA | |
| 19 | Utica Corp. | USA |
