| Wolfe Industrial, Inc Waterjet, Bending, Welding | La Vergne, TN | WaterjetBendingWelding | - |
| Transfer USA Milling, Turning, Grinding | Knoxville, TN | MillingTurningGrinding | - |
| Abston Machine Shop Inc Milling, Turning, Finishing · ISO 9001, ITAR | Taft, TN | MillingTurningFinishing | ISO 9001, ITAR |
| Ben Parker Company Bending, Laser, Welding, Waterjet | Chattanooga, TN | BendingLaserWeldingWaterjet | - |
| Chambers Welding & Fabrication Bending, Welding | Chattanooga, TN | BendingWelding | - |
| Colbert Manufacturing Co Inc Milling, Turning, Welding, Grinding, Finishing | La Vergne, TN | MillingTurningWeldingGrindingFinishing | - |
| Cumberland Machine Co Milling, Turning, Welding | Nashville, TN | MillingTurningWelding | - |
| Fluid Forming Americas LLC Bending, Stamping · ISO 9001, AS9100, ITAR | Hartsville, TN | BendingStamping | ISO 9001, AS9100, ITAR |
| Government & Industrial Supply Inc Milling, Turning, Bending, Welding, Finishing | Pulaski, TN | MillingTurningBendingWeldingFinishing | - |
| Hamilton Machine Co. Milling, Turning, Bending, Welding | Nashville, TN | MillingTurningBendingWelding | - |
| Leonard Machine Co, LLC Milling, Turning, Welding · ISO 9001 | Cookeville, TN | MillingTurningWelding | ISO 9001 |
| Loftis Steel & Aluminum, Inc. Milling, Laser, Waterjet | Nashville, TN | MillingLaserWaterjet | - |
| Masterpiece CNC Prototyping LLC Milling | Gallatin, TN | Milling | - |
| Moultrie Tool & Manufacturing Co Inc Milling, Turning, Bending, Welding, EDM, Stamping · ISO 9001 | Memphis, TN | MillingTurningBendingWeldingEDMStamping | ISO 9001 |
| Oak Ridge Tool-Engineering Inc Milling, Turning, Welding, EDM, Grinding | Oak Ridge, TN | MillingTurningWeldingEDMGrinding | - |
| Schmiede Corporation Milling, Turning, Welding, EDM, Grinding, Assembly · ISO 9001 | Tullahoma, TN | MillingTurningWeldingEDMGrindingAssembly | ISO 9001 |
| Tennessee Tool Works LLC Milling, Turning, Laser, Waterjet, Bending, Welding, Stamping, EDM, Grinding | Murfreesboro, TN | MillingTurningLaserWaterjetBendingWeldingStampingEDMGrinding | - |
| Thorough Built LLC Bending, Laser, Welding | Chattanooga, TN | BendingLaserWelding | - |
| 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 |