| Air-Way Manufacturing Company Finishing · ISO 9001 | Olivet, MI | Finishing | ISO 9001 |
| Omni Precision Components Milling, Turning, Finishing · ISO 9001 | Holland, MI | MillingTurningFinishing | ISO 9001 |
| Casemer Tool & Machine Inc Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding | Oxford, MI | MillingTurningLaserWaterjetWeldingEDMGrinding | - |
| Omega Tool & Machine Casting · ISO 9001 | Battle Creek, MI | Casting | ISO 9001 |
| Onodi Tool & Engineering Co Milling, Turning, Welding, Assembly · ISO 9001 | Melvindale, MI | MillingTurningWeldingAssembly | ISO 9001 |
| Ort Tool & Die Corporation Welding · ISO 9001, AS9100, ITAR | Erie, MI | Welding | ISO 9001, AS9100, ITAR |
| Bradhart Products, Inc Milling, Turning, Finishing · ISO 9001, ITAR | Brighton, MI | MillingTurningFinishing | ISO 9001, ITAR |
| Carpatians Manufacturing Corp Milling, Stamping, Finishing, Assembly · ISO 9001, AS9100 | Troy, MI | MillingStampingFinishingAssembly | ISO 9001, AS9100 |
| Cox Machine LLC Milling, Turning, Welding, EDM, Grinding, Finishing · ISO 9001, ITAR | Traverse City, MI | MillingTurningWeldingEDMGrindingFinishing | ISO 9001, ITAR |
| Design Metal, Inc Milling, Turning, Bending, Welding, Stamping · ISO 9001 | Oak Park, MI | MillingTurningBendingWeldingStamping | ISO 9001 |
| Diamond Die and Mold Milling, EDM, Grinding, Finishing · ISO 9001 | Clinton Township, MI | MillingEDMGrindingFinishing | ISO 9001 |
| Dolphin Manufacturing, Inc Milling, Turning, Finishing, Assembly · ISO 9001 | Taylor, MI | MillingTurningFinishingAssembly | 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 |
| Lomar Machine & Tool Co Milling, Turning, Laser, Bending, Welding, Casting, EDM, Grinding, Finishing · ISO 9001 | Horton, MI | MillingTurningLaserBendingWeldingCastingEDMGrindingFinishing | ISO 9001 |
| Metal Components LLC Turning, Waterjet, Bending, Welding, Finishing, Assembly · ISO 9001 | Grand Rapids, MI | TurningWaterjetBendingWeldingFinishingAssembly | 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 |
| 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 |
| Tel-X Corporation Milling, Turning, Laser, Welding, Stamping, EDM, Finishing · ISO 9001, IATF 16949 | Garden City, MI | MillingTurningLaserWeldingStampingEDMFinishing | ISO 9001, IATF 16949 |
| Trenton Forging Co Milling, Welding, Forging · ISO 9001 | Trenton, MI | MillingWeldingForging | ISO 9001 |
| Wolverine Machine Products Company Milling, Turning, Waterjet, Welding, Grinding, Finishing · ISO 9001 | Holly, MI | MillingTurningWaterjetWeldingGrindingFinishing | ISO 9001 |
| Accelerated Tooling LLC Milling, Turning · ISO 9001 | Grand Rapids, MI | MillingTurning | ISO 9001 |
| Advanced CNC Technology Inc Milling, Turning, Welding, Grinding · ISO 9001, ITAR | Sterling Heights, MI | MillingTurningWeldingGrinding | ISO 9001, ITAR |
| Aristo Industries Laser, Welding · ISO 9001 | Fraser, MI | LaserWelding | ISO 9001 |
| 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 |
| C & S Machine Products Inc Milling, Turning, Swiss, EDM, Grinding · AS9100, NADCAP, ISO 13485 | Niles, MI | MillingTurningSwissEDMGrinding | AS9100, NADCAP, ISO 13485 |
| Cadillac Fabrication Inc Milling, Bending, Welding, Casting · ISO 9001 | Cadillac, MI | MillingBendingWeldingCasting | ISO 9001 |
| Cameron Tool Corporation Milling, Bending, Welding, Waterjet, EDM, Stamping · ISO 9001 | Lansing, MI | MillingBendingWeldingWaterjetEDMStamping | ISO 9001 |
| 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 |
| Choice Components Milling, Turning, EDM, Grinding · ISO 9001 | Clinton Township, MI | MillingTurningEDMGrinding | ISO 9001 |
| Consolidated Metal Products Milling, Turning, Bending, Laser, Welding, Stamping · ISO 9001 | Grand Rapids, MI | MillingTurningBendingLaserWeldingStamping | ISO 9001 |
| Dresco Machining & Fabrication Milling, Turning, Waterjet, Welding · ISO 9001 | Bay City, MI | MillingTurningWaterjetWelding | ISO 9001 |
| Dura Mold, Inc Casting · ISO 9001 | Stevensville, MI | Casting | ISO 9001 |
| Executive Precision Machine, LLC Turning · ISO 9001 | Traverse City, MI | Turning | ISO 9001 |
| Fitzpatrick Manufacturing Co Milling, Turning, Grinding · ISO 9001, AS9100, ITAR, ISO 13485 | Sterling Heights, MI | MillingTurningGrinding | ISO 9001, AS9100, ITAR, ISO 13485 |
| Forge Precision Co Milling, Turning, Welding · ISO 9001 | Farmington Hills, MI | MillingTurningWelding | ISO 9001 |
| Fusion Fabricating & Manufacturing LLC Laser, Welding, Stamping · ISO 9001 | Sterling Heights, MI | LaserWeldingStamping | ISO 9001 |
| Hart Precision Machining Milling, Turning, EDM · ISO 9001, AS9100 | Redford Township, MI | MillingTurningEDM | ISO 9001, AS9100 |
| Industrial Experimental Technologies, LLC Welding, Stamping · ISO 9001 | Auburn Hills, MI | WeldingStamping | ISO 9001 |
| Innov8 Manufacturing LLC Milling, Turning, Welding, Grinding · ISO 9001 | Farmington, MI | MillingTurningWeldingGrinding | ISO 9001 |
| K and W Tool and Machine, Inc Milling, Laser, Waterjet, Bending, Welding · ISO 9001, ITAR | Greenville, MI | MillingLaserWaterjetBendingWelding | ISO 9001, ITAR |
| Lavalier Corp Milling, Turning · ISO 9001, AS9100 | Troy, MI | MillingTurning | ISO 9001, AS9100 |
| Liberty Cast Products Casting · ISO 9001, AS9100 | Sterling Heights, MI | Casting | ISO 9001, AS9100 |
| Liberty Tool Inc Milling, Turning, Welding, Grinding · ISO 9001, AS9100, ITAR | Sterling Heights, MI | MillingTurningWeldingGrinding | ISO 9001, AS9100, ITAR |
| Lidell Specialty Products, Inc Stamping · ISO 9001 | Whitmore Lake, MI | Stamping | ISO 9001 |