| 1 | WEG Electric Corp. | | USA |
| 2 | Surplus Record Machinery & Electrical Equipment | | USA |
| 3 | Siemens Corporation | | USA |
| 4 | Infinity Turbine LLC | | USA |
| 5 | Premier Energy | | USA |
| 6 | Sylvania | | USA |
| 7 | Federal Steel Supply Inc. | | USA |
| 8 | General Electric Co. | | USA |
| 9 | Murray Turbomachinery Tuthill Energy Systems | | USA |
| 10 | Louis Allis | | USA |
| 11 | Steam Turbine Generators | | USA |
| 12 | Edwards Engineering Corp. | | USA |
| 13 | Renewal Parts Maintenance A Division of Mechanical Dynamics & Analysis Ltd. | | USA |
| 14 | Elliott Group | | USA |
| 15 | Mattichak Energy Systems Inc. | | USA |
| 16 | Helidyne LLC | | USA |
| 17 | M. D. Henry Company Inc. | | USA |
| 18 | ABB Turbine Manufacturing Div. | | USA |
| 19 | Nadrowski TurbinenTurhill Energy Systems | | USA |
| 20 | Southern ENGG Equipment Co. | | USA |
| 21 | Dresser-Rand Electric Machinery | | USA |
| 22 | ABB Pulp & Paper Drives | | USA |
| 23 | ABB Industrial Power Products Drives Products | | USA |
| 24 | All Top Ltd. | | USA |
| 25 | ABB Power Generation Turbine Manufacturing & Repairs | | USA |
