| Precision Advanced Machining Co Milling, Turning, Grinding · ISO 9001, AS9100, ITAR | Clinton Township, MI | MillingTurningGrinding | ISO 9001, AS9100, ITAR |
| Classic Metal Finishing, Inc Milling, Swiss, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Jackson, MI | MillingSwissGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| Distinctive Machining LLC Milling, Welding, Grinding, Finishing | Zeeland, MI | MillingWeldingGrindingFinishing | - |
| Patterson Precision Manufacturing Inc Milling, Turning, Stamping, Grinding · ISO 9001, NADCAP | Norton Shores, MI | MillingTurningStampingGrinding | ISO 9001, NADCAP |
| Alto Precision, Inc Milling, Turning, Welding, Grinding | Grand Rapids, MI | MillingTurningWeldingGrinding | - |
| Polaris Engineering Inc Milling, Turning, Welding, EDM, Grinding | Fraser, MI | MillingTurningWeldingEDMGrinding | - |
| Cox Machine LLC Milling, Turning, Welding, EDM, Grinding, Finishing · ISO 9001, ITAR | Traverse City, MI | MillingTurningWeldingEDMGrindingFinishing | ISO 9001, ITAR |
| Wilson Precision Products LLC Milling, Welding, Grinding · ITAR | Temperance, MI | MillingWeldingGrinding | ITAR |
| Am Specialties, Inc Milling, Welding, Stamping, EDM, Grinding, Finishing, Assembly · ISO 9001 | Sterling Heights, MI | MillingWeldingStampingEDMGrindingFinishingAssembly | ISO 9001 |
| C & S Machine Products Inc Milling, Turning, Swiss, EDM, Grinding · AS9100, NADCAP, ISO 13485 | Niles, MI | MillingTurningSwissEDMGrinding | AS9100, NADCAP, ISO 13485 |
| Diamond Die and Mold Milling, EDM, Grinding, Finishing · ISO 9001 | Clinton Township, MI | MillingEDMGrindingFinishing | ISO 9001 |
| Epic Machine, Inc Milling, Turning, Stamping, Casting, EDM, Grinding, Finishing · ISO 9001 | Fenton, MI | MillingTurningStampingCastingEDMGrindingFinishing | ISO 9001 |
| High Star Corp Milling, Turning, Bending, Welding, Stamping, Grinding, Finishing · ISO 9001 | Westland, MI | MillingTurningBendingWeldingStampingGrindingFinishing | ISO 9001 |
| International Hardcoat Grinding, Finishing · ISO 9001, NADCAP | Detroit, MI | GrindingFinishing | ISO 9001, NADCAP |
| J & S Technologies Inc Milling, Turning, Grinding, Finishing · ISO 9001 | Nunica, MI | MillingTurningGrindingFinishing | ISO 9001 |
| L.a. Martin Company Milling, Turning, Bending, Welding, Grinding, Finishing · ISO 9001 | Dearborn, MI | MillingTurningBendingWeldingGrindingFinishing | ISO 9001 |
| Laser Cutting Co Milling, Laser, Bending, Welding, Grinding, Finishing · ISO 9001 | Harrison Township, MI | MillingLaserBendingWeldingGrindingFinishing | ISO 9001 |
| Micron Precision Machining Inc Milling, Turning, EDM, Grinding | Saginaw, MI | MillingTurningEDMGrinding | - |
| PJF Engineered Solutions, Inc Milling, Welding, Metal AM, EDM, Grinding, Finishing · ISO 9001, ITAR | Rockford, MI | MillingWeldingMetal AMEDMGrindingFinishing | ISO 9001, ITAR |
| Progress Machining Inc Milling, Turning, Grinding, Finishing · ISO 9001 | Norton Shores, MI | MillingTurningGrindingFinishing | ISO 9001 |
| Smith Metal, LLC Milling, Turning, Swiss, Laser, Waterjet, Bending, Welding, EDM, Grinding, Finishing · ISO 9001 | Augusta, MI | MillingTurningSwissLaserWaterjetBendingWeldingEDMGrindingFinishing | ISO 9001 |
| Sturdy Grinding & Machining Inc Grinding, Finishing · ISO 9001 | New Haven, MI | GrindingFinishing | ISO 9001 |
| Tri-County Precision Grinding Inc Milling, Grinding | Warren, MI | MillingGrinding | - |
| United CNC Machining Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR, NADCAP, CMMC | Auburn Hills, MI | MillingTurningLaserWaterjetWeldingEDMGrindingFinishing | ISO 9001, AS9100, ITAR, NADCAP, CMMC |
| Wolverine Machine Products Company Milling, Turning, Waterjet, Welding, Grinding, Finishing · ISO 9001 | Holly, MI | MillingTurningWaterjetWeldingGrindingFinishing | ISO 9001 |
| Advanced CNC Technology Inc Milling, Turning, Welding, Grinding · ISO 9001, ITAR | Sterling Heights, MI | MillingTurningWeldingGrinding | ISO 9001, ITAR |
| Bermont Gage & Automation Inc Milling, Waterjet, Welding, Grinding · ISO 9001 | Fraser, MI | MillingWaterjetWeldingGrinding | ISO 9001 |
| Big Rock Machining Co Milling, Turning, EDM, Grinding · ISO 9001, AS9100, NADCAP | Chesaning, MI | MillingTurningEDMGrinding | ISO 9001, AS9100, NADCAP |
| CB Marcellus Metalcasters Inc Casting, Grinding · ISO 9001 | Plainwell, MI | CastingGrinding | ISO 9001 |
| Choice Components Milling, Turning, EDM, Grinding · ISO 9001 | Clinton Township, MI | MillingTurningEDMGrinding | ISO 9001 |
| Delta Machining Inc Milling, Turning, Welding, Grinding · ISO 9001 | Niles, MI | MillingTurningWeldingGrinding | ISO 9001 |
| GP Manufacturing Milling, Turning, Welding, EDM, Grinding, Assembly · ISO 9001 | Buchanan, MI | MillingTurningWeldingEDMGrindingAssembly | ISO 9001 |
| Great Lakes Castings Casting, Grinding · ISO 9001, IATF 16949 | Ludington, MI | CastingGrinding | ISO 9001, IATF 16949 |
| Ideal Technology Corp Milling, Turning, Welding, Casting, Metal AM, Grinding · ISO 9001 | Shelby Township, MI | MillingTurningWeldingCastingMetal AMGrinding | ISO 9001 |
| Innov8 Manufacturing LLC Milling, Turning, Welding, Grinding · ISO 9001 | Farmington, MI | MillingTurningWeldingGrinding | ISO 9001 |
| Iq Manufacturing LLC Milling, Stamping, EDM, Grinding · ISO 9001 | Auburn Hills, MI | MillingStampingEDMGrinding | ISO 9001 |
| Iridium Manufacturing Milling, Turning, Waterjet, EDM, Grinding · ISO 9001 | Washington, MI | MillingTurningWaterjetEDMGrinding | ISO 9001 |
| Liberty Tool Inc Milling, Turning, Welding, Grinding · ISO 9001, AS9100, ITAR | Sterling Heights, MI | MillingTurningWeldingGrinding | ISO 9001, AS9100, ITAR |
| Lomar Machine & Tool Co Milling, Turning, Laser, Bending, Welding, Casting, EDM, Grinding, Finishing · ISO 9001 | Horton, MI | MillingTurningLaserBendingWeldingCastingEDMGrindingFinishing | ISO 9001 |
| Martel Tool Corp Grinding · ISO 9001 | Allen Park, MI | Grinding | 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 |
| Michigan CNC Tool, Inc Milling, Turning, EDM, Grinding · ISO 9001 | Whitmore Lake, MI | MillingTurningEDMGrinding | ISO 9001 |
| Pioneer Machine & Technology Inc Milling, Turning, Welding, Grinding · ISO 9001 | Madison Heights, MI | MillingTurningWeldingGrinding | ISO 9001 |
| Streamline Machine Source Inc Milling, Laser, Waterjet, Grinding · ISO 9001 | Greenville, MI | MillingLaserWaterjetGrinding | ISO 9001 |
| Supreme Gear Co Milling, Turning, Grinding · ISO 9001, NADCAP | Fraser, MI | MillingTurningGrinding | ISO 9001, NADCAP |
| Vanermen Smith Products Inc Milling, Turning, Waterjet, Bending, Welding, Grinding, Assembly · ISO 9001 | Lansing, MI | MillingTurningWaterjetBendingWeldingGrindingAssembly | ISO 9001 |
| Witco Inc Milling, Turning, Grinding · ISO 9001, AS9100, ITAR, NADCAP | Greenwood, MI | MillingTurningGrinding | ISO 9001, AS9100, ITAR, NADCAP |
| Albion Machine and Tool LLC Milling, Turning, Laser, Welding, Grinding, Finishing | Albion, MI | MillingTurningLaserWeldingGrindingFinishing | - |
| Fitzpatrick Manufacturing Co Milling, Turning, Grinding · ISO 9001, AS9100, ITAR, ISO 13485 | Sterling Heights, MI | MillingTurningGrinding | ISO 9001, AS9100, ITAR, ISO 13485 |
| Protomatic Inc Milling, Turning, Welding, Grinding · ISO 9001, ITAR, ISO 13485, CMMC | Dexter, MI | MillingTurningWeldingGrinding | ISO 9001, ITAR, ISO 13485, CMMC |