| 1 | Johnson Bros. Roll Forming Co. | | USA |
| 2 | Turbine Services Ltd. | | USA |
| 3 | ALD Thermal Treatment Inc. | | USA |
| 4 | Plymouth Tube Co. | | USA |
| 5 | EthosEnergy | | USA |
| 6 | Astech Inc. | | USA |
| 7 | Turbo Machined Products LLC | | USA |
| 8 | Advanced Turbine Component Manufacturing LLC | | USA |
| 9 | Global Tech Services LLC | | USA |
| 10 | Turbo Dynamics Corp. | | USA |
| 11 | Moeller Manufacturing Company Inc. | | USA |
| 12 | Unasco Inc. | | USA |
| 13 | Mechanical Dynamics & Analysis | | USA |
| 14 | New England Aircraft Products | | USA |
| 15 | Schmidt Industries | | USA |
| 16 | Sorensen Systems LLC | | USA |
| 17 | Elliott Group | | USA |
| 18 | Leading Edge Turbine Corp. | | USA |
| 19 | Precision Metalforming Association Metal Spinning Div. | | USA |
| 20 | Central Air Conditioning & Sheet Metal Inc. | | USA |
| 21 | Alden O. Sherman Co. Inc. | | USA |
