| Bru Tek LLC Milling, Turning, Laser, Welding | Shelby Township, MI | MillingTurningLaserWelding | - |
| Models & Tools Inc Milling, Turning, Welding · AS9100 | Shelby Township, MI | MillingTurningWelding | AS9100 |
| Accu-Tech Manufacturing Milling, Turning, Welding | Shelby Township, MI | MillingTurningWelding | - |
| Deland Manufacturing Inc Milling, Turning · ISO 9001, AS9100, ITAR | Shelby Township, MI | MillingTurning | ISO 9001, AS9100, ITAR |
| Ideal Technology Corp Milling, Turning, Welding, Casting, Metal AM, Grinding · ISO 9001 | Shelby Township, MI | MillingTurningWeldingCastingMetal AMGrinding | ISO 9001 |
| MFC Netform LLC Milling, Laser, Waterjet, Bending, Welding, Stamping, Forging, EDM, Grinding · ISO 9001, IATF 16949 | Shelby Township, MI | MillingLaserWaterjetBendingWeldingStampingForgingEDMGrinding | ISO 9001, IATF 16949 |
| Smith Brothers Tool Company Milling, Welding · ISO 9001, AS9100, ITAR | Shelby Township, MI | MillingWelding | ISO 9001, AS9100, ITAR |
| Valley City Metal Products Milling, Turning, Laser, Stamping · ISO 9001 | Shelby, MI | MillingTurningLaserStamping | ISO 9001 |