| Oak Ridge Tool-Engineering Inc Milling, Turning, Welding, EDM, Grinding | Oak Ridge, TN | MillingTurningWeldingEDMGrinding | - |
| Armec Corp Welding · ISO 9001 | Oak Ridge, TN | Welding | ISO 9001 |
| Nuclear Lead Co, Inc Welding, Casting | Oak Ridge, TN | WeldingCasting | - |
| Tennessee Tool & Engineering Inc Welding, Casting, Assembly · ISO 9001 | Oak Ridge, TN | WeldingCastingAssembly | ISO 9001 |
| American Stainless Fabricators LLC Welding | Dickson, TN | Welding | - |
| Elemental Design & Machinery, LLC Milling | Chattanooga, TN | Milling | - |
| Fab Metal, L.L.C Milling, Turning, Laser, Bending, Welding, Stamping, Finishing, Assembly | Clinton, TN | MillingTurningLaserBendingWeldingStampingFinishingAssembly | - |
| Forma Machine, LLC Milling, Casting · AS9100 | South Pittsburg, TN | MillingCasting | AS9100 |
| Haney Manufacturing LLC Milling | Kingston, TN | Milling | - |
| John W. McDougall Co. Bending, Laser, Welding · ISO 9001 | Nashville, TN | BendingLaserWelding | ISO 9001 |
| La Follette Machine & Tool Company, Inc Laser, Bending · ISO 9001 | La Follette, TN | LaserBending | ISO 9001 |
| Maxsteel Fabrication, LLC Milling, Turning, Laser, Welding, Finishing | Paris, TN | MillingTurningLaserWeldingFinishing | - |
| Morrison Industries LLC Milling, Turning, Laser, Bending, Welding, Finishing, Assembly | Morrison, TN | MillingTurningLaserBendingWeldingFinishingAssembly | - |
| Skydrive LLC Milling · ISO 9001, AS9100, ITAR | Collierville, TN | Milling | ISO 9001, AS9100, ITAR |