| Steel Plate Fabricators Milling, Turning, Bending, Laser, Welding, Waterjet, Metal AM | Knoxville, TN | MillingTurningBendingLaserWeldingWaterjetMetal AM | - |
| Ben Parker Company Bending, Laser, Welding, Waterjet | Chattanooga, TN | BendingLaserWeldingWaterjet | - |
| Loftis Steel & Aluminum, Inc. Milling, Laser, Waterjet | Nashville, TN | MillingLaserWaterjet | - |
| Swiss Technologies Inc. Milling, Turning, Welding, Stamping · ISO 9001 | Knoxville, TN | MillingTurningWeldingStamping | ISO 9001 |
| Moultrie Tool & Manufacturing Co Inc Milling, Turning, Bending, Welding, EDM, Stamping · ISO 9001 | Memphis, TN | MillingTurningBendingWeldingEDMStamping | ISO 9001 |
| ACE Machine & Metal Fab Co Milling, Turning, Bending, Welding · ISO 9001 | Nashville, TN | MillingTurningBendingWelding | ISO 9001 |
| Axis Fabrication & Machine Co Milling, Turning, Bending, Laser, Welding, EDM · ISO 9001 | Rockford, TN | MillingTurningBendingLaserWeldingEDM | ISO 9001 |
| Chambers Welding & Fabrication Bending, Welding | Chattanooga, TN | BendingWelding | - |
| Hamilton Machine Co. Milling, Turning, Bending, Welding | Nashville, TN | MillingTurningBendingWelding | - |
| John W. McDougall Co. Bending, Laser, Welding · ISO 9001 | Nashville, TN | BendingLaserWelding | ISO 9001 |
| Metco Metal Fab. Bending, Laser, Welding | Chattanooga, TN | BendingLaserWelding | - |
| Music City Sheet Metal Bending, Laser, Welding | Nashville, TN | BendingLaserWelding | - |
| Nashville Sheet Metal Bending, Welding | Nashville, TN | BendingWelding | - |
| Thorough Built LLC Bending, Laser, Welding | Chattanooga, TN | BendingLaserWelding | - |
| United Machine & Tool Milling, Turning, Laser, Welding · ISO 9001 | Goodlettsville, TN | MillingTurningLaserWelding | ISO 9001 |