| Haney Manufacturing LLC Milling | Kingston, TN | Milling | - |
| John Bouchard & Sons Co Turning, Welding, Stamping, Casting | Nashville, TN | TurningWeldingStampingCasting | - |
| La Follette Machine & Tool Company, Inc Laser, Bending · ISO 9001 | La Follette, TN | LaserBending | ISO 9001 |
| Machined Products Company Milling, Welding · ISO 9001 | Knoxville, TN | MillingWelding | ISO 9001 |
| Masterpiece CNC Prototyping LLC Milling | Gallatin, TN | Milling | - |
| Olympic Industries Laser, Welding, Stamping | Cordova, TN | LaserWeldingStamping | - |
| Pathway Precision Manufacturing LLC Milling, Turning, Swiss, Laser, Welding, EDM, Grinding, Finishing · ITAR, ISO 13485, CMMC | Memphis, TN | MillingTurningSwissLaserWeldingEDMGrindingFinishing | ITAR, ISO 13485, CMMC |
| Riverside Machine Milling · ISO 9001, ITAR, CMMC | Ooltewah, TN | Milling | ISO 9001, ITAR, CMMC |
| Schmiede Corporation Milling, Turning, Welding, EDM, Grinding, Assembly · ISO 9001 | Tullahoma, TN | MillingTurningWeldingEDMGrindingAssembly | ISO 9001 |
| Skydrive LLC Milling · ISO 9001, AS9100, ITAR | Collierville, TN | Milling | ISO 9001, AS9100, ITAR |
| Southern Precision Machining Milling, Turning, Grinding, Finishing · ISO 9001, AS9100, ITAR | Shelbyville, TN | MillingTurningGrindingFinishing | ISO 9001, AS9100, ITAR |
| Thompson & Smith Industries LLC Milling, Turning, Welding, EDM, Grinding | Tullahoma, TN | MillingTurningWeldingEDMGrinding | - |
| Transfer USA Milling, Turning, Grinding | Knoxville, TN | MillingTurningGrinding | - |
| True Cut Turning, Finishing | Lexington, TN | TurningFinishing | - |
| United Machine & Tool Milling, Turning, Laser, Welding · ISO 9001 | Goodlettsville, TN | MillingTurningLaserWelding | ISO 9001 |
| Volunteer Fastener and Supply, Inc Welding, Finishing · ISO 9001 | Vonore, TN | WeldingFinishing | ISO 9001 |
| Wright Tool & Engineering Inc Milling, Turning, Bending, Welding, EDM, Grinding, Assembly · ISO 9001 | Piney Flats, TN | MillingTurningBendingWeldingEDMGrindingAssembly | ISO 9001 |