| Micron Precision Machining Inc Milling, Turning, EDM, Grinding | Saginaw, MI | MillingTurningEDMGrinding | - |
| Milton Manufacturing, Inc Turning, Bending, Welding, Stamping, Assembly · ITAR | Detroit, MI | TurningBendingWeldingStampingAssembly | ITAR |
| Models & Tools Inc Milling, Turning, Welding · AS9100 | Shelby Township, MI | MillingTurningWelding | AS9100 |
| MP Components Casting · ISO 9001 | Byron Center, MI | Casting | ISO 9001 |
| Multi Machining Capabilities, Inc. Milling, Turning, EDM | Romulus, MI | MillingTurningEDM | - |
| Omni Precision Components Milling, Turning, Finishing · ISO 9001 | Holland, MI | MillingTurningFinishing | ISO 9001 |
| Onodi Tool & Engineering Co Milling, Turning, Welding, Assembly · ISO 9001 | Melvindale, MI | MillingTurningWeldingAssembly | ISO 9001 |
| Paragon D & E Milling, Bending, Casting · ISO 9001, AS9100, ITAR, CMMC | Grand Rapids, MI | MillingBendingCasting | ISO 9001, AS9100, ITAR, CMMC |
| Patriot Manufacturing LLC Milling, Turning · ISO 9001 | Plymouth, MI | MillingTurning | ISO 9001 |
| Pioneer Machine & Technology Inc Milling, Turning, Welding, Grinding · ISO 9001 | Madison Heights, MI | MillingTurningWeldingGrinding | ISO 9001 |
| PJF Engineered Solutions, Inc Milling, Welding, Metal AM, EDM, Grinding, Finishing · ISO 9001, ITAR | Rockford, MI | MillingWeldingMetal AMEDMGrindingFinishing | ISO 9001, ITAR |
| Platinum Engineering Inc Milling, Turning, Forging · ISO 9001, AS9100 | Lowell, MI | MillingTurningForging | ISO 9001, AS9100 |
| Polaris Engineering Inc Milling, Turning, Welding, EDM, Grinding | Fraser, MI | MillingTurningWeldingEDMGrinding | - |
| Pollington Machine Tool Inc Milling, Turning, Laser, Welding, Assembly · AS9100 | Marion, MI | MillingTurningLaserWeldingAssembly | AS9100 |
| Precision Advanced Machining Co Milling, Turning, Grinding · ISO 9001, AS9100, ITAR | Clinton Township, MI | MillingTurningGrinding | ISO 9001, AS9100, ITAR |
| Precision Machining Solutions Inc Milling, Welding | Sterling Heights, MI | MillingWelding | - |
| Precision Manufacturing Group Inc Milling, Laser, Bending, Welding | Muskegon, MI | MillingLaserBendingWelding | - |
| Precision Mold & Machining Services Inc Milling, EDM · ITAR | Warren, MI | MillingEDM | ITAR |
| Radiant Engineering and Manufacturing, LLC Milling, Grinding, Finishing · CMMC | Sterling Heights, MI | MillingGrindingFinishing | CMMC |
| RDM Enterprises Co., Inc Stamping | Port Huron, MI | Stamping | - |
| RMC Engine Rebuilding Equipment, Inc Milling | Saginaw, MI | Milling | - |
| Sales & Engineering Inc Milling, Turning, Bending, Welding, Stamping | Livonia, MI | MillingTurningBendingWeldingStamping | - |
| SDK Technologies Inc Milling, Turning | Macomb, MI | MillingTurning | - |
| Selective Industries, Inc Laser, Welding, Stamping · ISO 9001 | Marine City, MI | LaserWeldingStamping | ISO 9001 |
| Sigma Machine Inc. Milling, EDM | Kalamazoo, MI | MillingEDM | - |
| Sintel Inc Laser, Punching, Bending, Welding, Finishing, Assembly | Spring Lake, MI | LaserPunchingBendingWeldingFinishingAssembly | - |
| Smtautomation LLC Milling, Laser, Welding · ISO 9001, ITAR | Bruce Township, MI | MillingLaserWelding | ISO 9001, ITAR |
| Spearpoint Manufacturing LLC Milling · ISO 9001, ITAR, CMMC | Traverse City, MI | Milling | ISO 9001, ITAR, CMMC |
| Streamline Machine Source Inc Milling, Laser, Waterjet, Grinding · ISO 9001 | Greenville, MI | MillingLaserWaterjetGrinding | ISO 9001 |
| Taylor Turning Inc Milling, Turning, Grinding | Wixom, MI | MillingTurningGrinding | - |
| Tompkins Products, Inc Milling, Welding, Grinding, Finishing · IATF 16949 | Detroit, MI | MillingWeldingGrindingFinishing | IATF 16949 |
| Top Line Engineering LLC Milling, Turning, Laser, Waterjet, Welding, Grinding | Holland, MI | MillingTurningLaserWaterjetWeldingGrinding | - |
| Trenton Forging Co Milling, Welding, Forging · ISO 9001 | Trenton, MI | MillingWeldingForging | ISO 9001 |
| Tri-County Precision Grinding Inc Milling, Grinding | Warren, MI | MillingGrinding | - |
| Trutron LLC Milling, Turning, EDM, Grinding | Troy, MI | MillingTurningEDMGrinding | - |
| U. P. Machine & Engineering Co Turning | Powers, MI | Turning | - |
| Unique Model Inc Milling, Turning, Welding, EDM, Grinding | Grand Rapids, MI | MillingTurningWeldingEDMGrinding | - |
| Vanermen Smith Products Inc Milling, Turning, Waterjet, Bending, Welding, Grinding, Assembly · ISO 9001 | Lansing, MI | MillingTurningWaterjetBendingWeldingGrindingAssembly | ISO 9001 |
| W. G. Benjey, Inc Milling, Turning, Welding, Finishing | Alpena, MI | MillingTurningWeldingFinishing | - |
| Warner Bros, Foundry Co Welding, Casting | Roseville, MI | WeldingCasting | - |
| West Michigan Precision Machining Milling, Turning, Bending · ISO 9001, AS9100, ITAR | Walker, MI | MillingTurningBending | ISO 9001, AS9100, ITAR |
| Wilson Precision Products LLC Milling, Welding, Grinding · ITAR | Temperance, MI | MillingWeldingGrinding | ITAR |
| Wolverine Bronze Co Welding, Casting | Roseville, MI | WeldingCasting | - |
| Wolverine Machine Products Company Milling, Turning, Waterjet, Welding, Grinding, Finishing · ISO 9001 | Holly, MI | MillingTurningWaterjetWeldingGrindingFinishing | ISO 9001 |
| Worldtek Industries, LLC Turning, Bending, Welding · ISO 9001, AS9100, ITAR | Romulus, MI | TurningBendingWelding | ISO 9001, AS9100, ITAR |
| Accelerated Tooling LLC Milling, Turning · ISO 9001 | Grand Rapids, MI | MillingTurning | ISO 9001 |
| Accu Die & Mold, Inc Milling, Turning, Welding, Casting, EDM | Stevensville, MI | MillingTurningWeldingCastingEDM | - |
| Accu-Tech Manufacturing Milling, Turning, Welding | Shelby Township, MI | MillingTurningWelding | - |
| Accurate Carbide Tool Co Inc Milling, Turning, EDM, Grinding | Saginaw, MI | MillingTurningEDMGrinding | - |
| Air-Way Manufacturing Company Finishing · ISO 9001 | Olivet, MI | Finishing | ISO 9001 |