| 1 | Gar-Kenyon | | USA |
| 2 | Concepts NREC | | USA |
| 3 | Honeycomb One | | USA |
| 4 | ABB Turbine Manufacturing Div. | | USA |
| 5 | Jad Chemical Company Inc. | | USA |
| 6 | Turbomeca USA | | USA |
| 7 | Dealer's Mfg. Co. | | USA |
| 8 | Metem Corporation a GE Power Business | | USA |
| 9 | ABB Power Generation Inc. Combined Cycle Power Plants | | USA |
| 10 | Turbine Tool Corp. | | USA |
| 11 | Chromalloy Gas Turbine Corp. | | USA |
| 12 | SAE Manufacturing Specialties Corp | | USA |
| 13 | Indy Honeycomb | | USA |
| 14 | Rasakti | | USA |
| 15 | Ramgen Power Systems LLC | | USA |
| 16 | GE Aviation | | USA |
| 17 | Duraflex Inc. Metal Bellows | | USA |
| 18 | Aero Turbine Inc. | | USA |
| 19 | Puma Aero Marine Inc. | | USA |
| 20 | GE Honda Aero Engines LLC. | | USA |
| 21 | General Electric Co. | | USA |
| 22 | ECO Physics Inc. | | USA |
| 23 | J. F. Mullen Co. Inc. | | USA |
| 24 | Precision Rings Inc. of Indianapolis | | USA |
| 25 | A/M Air Starter Sales & Service | | USA |
| 26 | United Ring & Seal Inc. | | USA |
| 27 | CMR Technologies Inc. | | USA |
| 28 | Turbo Dynamics Corp. | | USA |
| 29 | Jaycraft Corp. | | USA |
| 30 | U.S. Microjet LLC | | USA |
| 31 | GE Power Systems | | USA |
| 32 | Bauer Inc. | | USA |
| 33 | Williams International | | USA |
| 34 | Power Phase LLC | | USA |
| 35 | Stewart & Stevenson Services Inc. | | USA |
| 36 | Mil-Spec Industries | | USA |
