| 1 | Marine Spares International | | USA |
| 2 | Dresser-Rand Electric Machinery | | USA |
| 3 | Water Power Machinery Co. | | USA |
| 4 | C. B. Turbines | | USA |
| 5 | Bergey Windpower Co. Inc. | | USA |
| 6 | ABB Pulp & Paper Drives | | USA |
| 7 | WEG Electric Corp. | | USA |
| 8 | Siemens Corporation | | USA |
| 9 | Flender | | USA |
| 10 | Magne Generator LLC | | USA |
| 11 | Elliott Group | | USA |
| 12 | Murray Turbomachinery Tuthill Energy Systems | | USA |
| 13 | General Electric Co. | | USA |
| 14 | Aero Turbine Inc. | | USA |
| 15 | FEDCO | | USA |
| 16 | BK Power Systems | | USA |
| 17 | Capstone Turbine Corporation | | USA |
| 18 | Sylvania | | USA |
| 19 | Renewal Parts Maintenance A Division of Mechanical Dynamics & Analysis Ltd. | | USA |
| 20 | L.A. Turbine | | USA |
| 21 | Infinity Turbine LLC | | USA |
| 22 | Steam Turbine Generators | | USA |
| 23 | On Power Inc. | | USA |
| 24 | Mattichak Energy Systems Inc. | | USA |
| 25 | AGC Project Development Inc. | | USA |
| 26 | Combustion Associates | | USA |
| 27 | Stored Energy Systems (SENS) | | USA |
| 28 | BTEC Turbines LP | | USA |
| 29 | ClearPower North America LLC | | USA |
| 30 | Continental Wind Power Inc. | | USA |
| 31 | ABB Industrial Power Products Drives Products | | USA |
