| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | DEPRAG USA | USA | |
| 2 | Barbour Stockwell Inc. | USA | |
| 3 | Midwest Mixing Inc. | USA | |
| 4 | Fincantieri Marine Systems North America Inc. | USA | |
| 5 | Dresser-Rand | USA | |
| 6 | Infinity Turbine LLC | USA | |
| 7 | Barber-Nichols Inc. | USA | |
| 8 | On Power Inc. | USA | |
| 9 | U.S. Microjet LLC | USA |
