| Espas Inc Laser, Bending, Welding, Stamping, Assembly · ISO 9001 | Clinton Township, MI | LaserBendingWeldingStampingAssembly | ISO 9001 |
| Advanced Turning Solutions, LLC Turning | Port Huron, MI | Turning | - |
| B & K Solutions, Inc Laser, Welding, Grinding | Clinton Township, MI | LaserWeldingGrinding | - |
| Choice Components Milling, Turning, EDM, Grinding · ISO 9001 | Clinton Township, MI | MillingTurningEDMGrinding | ISO 9001 |
| Diamond Die and Mold Milling, EDM, Grinding, Finishing · ISO 9001 | Clinton Township, MI | MillingEDMGrindingFinishing | ISO 9001 |
| Innovated Machining Solutions LLC Milling | Port Huron, MI | Milling | - |
| International Mold Corporation Milling, Waterjet | Clinton Township, MI | MillingWaterjet | - |
| Precision Advanced Machining Co Milling, Turning, Grinding · ISO 9001, AS9100, ITAR | Clinton Township, MI | MillingTurningGrinding | ISO 9001, AS9100, ITAR |
| RDM Enterprises Co., Inc Stamping | Port Huron, MI | Stamping | - |
| Accu-Tech Manufacturing Milling, Turning, Welding | Shelby Township, MI | MillingTurningWelding | - |
| Albion Machine and Tool LLC Milling, Turning, Laser, Welding, Grinding, Finishing | Albion, MI | MillingTurningLaserWeldingGrindingFinishing | - |
| American Fab Milling, Laser, Bending, Welding | Spring Lake, MI | MillingLaserBendingWelding | - |
| Apogee CNC Inc Milling, Welding, Grinding, Finishing · ITAR | Dexter, MI | MillingWeldingGrindingFinishing | ITAR |
| C2 Machining Milling, Welding · ITAR | Kentwood, MI | MillingWelding | ITAR |
| Caron Precision Inc Turning · ISO 9001 | Kalamazoo, MI | Turning | ISO 9001 |
| Centracore, LLC Casting · ISO 9001, IATF 16949 | Saint Clair, MI | Casting | ISO 9001, IATF 16949 |
| Forceco LLC Welding · ITAR | Saginaw, MI | Welding | ITAR |
| Forge Precision Co Milling, Turning, Welding · ISO 9001 | Farmington Hills, MI | MillingTurningWelding | ISO 9001 |
| Independent Machine Company Milling, Turning, Laser, Welding, Grinding | Escanaba, MI | MillingTurningLaserWeldingGrinding | - |
| Lavalier Corp Milling, Turning · ISO 9001, AS9100 | Troy, MI | MillingTurning | ISO 9001, AS9100 |
| Massie Mfg Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Finishing · ITAR | Baraga, MI | MillingTurningLaserWaterjetBendingWeldingFinishing | ITAR |
| Patriot Manufacturing LLC Milling, Turning · ISO 9001 | Plymouth, MI | MillingTurning | ISO 9001 |
| RMC Engine Rebuilding Equipment, Inc Milling | Saginaw, MI | Milling | - |
| Selective Industries, Inc Laser, Welding, Stamping · ISO 9001 | Marine City, MI | LaserWeldingStamping | ISO 9001 |
| Smtautomation LLC Milling, Laser, Welding · ISO 9001, ITAR | Bruce Township, MI | MillingLaserWelding | ISO 9001, ITAR |