| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Xylem Inc. | USA | |
| 2 | Dependable Turbines Ltd. (DTL) | USA | |
| 3 | Siemens Corporation | USA | |
| 4 | General Electric Co. | USA | |
| 5 | Windstream Power LLC | USA | |
| 6 | Natel Energy Inc. | USA | |
| 7 | Usinage Druco (2002) Inc. | USA | |
| 8 | Canadian Hydro Components Ltd. | USA | |
| 9 | Canyon Industries Inc. | USA | |
| 10 | Hydrovolts | USA | |
| 11 | Sorensen Systems LLC | USA | |
| 12 | Norcan Hydraulic Turbine Inc. | USA | |
| 13 | HydroCoil Power Inc. | USA | |
| 14 | Impsa Corporation | USA | |
| 15 | Verterra Energy Inc. | USA | |
| 16 | Uek Corporation | USA | |
| 17 | Water Power Machinery Co. | USA | |
| 18 | Electronic Technology Systems Inc. | USA | |
| 19 | Ogi Llc | USA |
