| BABos Automotive Products INC | Rochester Hills | 20–99 | ◐ LIKELY ACTIVE |
| FUFca US LLC - Chrysler Technology Center | Auburn Hills | — | ◐ LIKELY ACTIVE |
| FDFisher Dynamics - Troy | Troy | 20–99 | ◐ LIKELY ACTIVE |
| GAGkn Automotive INC | Auburn Hills | 100–499 | ◐ LIKELY ACTIVE |
| GPGm Pontiac North Campus | Pontiac | — | ◐ LIKELY ACTIVE |
| HAH.A. Automotive Systems Inc | Troy | 20–99 | ◐ LIKELY ACTIVE |
| HTHamlin Tool | Rochester Hills | 20–99 | ◐ LIKELY ACTIVE |
| KMKelsey-hayes Milford Gwcu | Milford | — | ◐ LIKELY ACTIVE |
| KUKiekert USA, Inc (R&D Location) | Wixom | 20–99 | ◐ LIKELY ACTIVE |
| NANorth American Mold LLC | Auburn Hills | — | ◐ LIKELY ACTIVE |
| TBToyota Boshoku America - Technical Center | Novi | 100–499 | ◐ LIKELY ACTIVE |
| TTTrailer Technologies Holdings LLC | Wixom | — | ▲ REPORTED CLOSED |
| VAVentura Aerospace LLC | Wixom | — | ◐ LIKELY ACTIVE |
| WCWall Co., Incorporated | Madison Heights | — | ◐ LIKELY ACTIVE |
| WRWebasto Roof Systems Inc-new Hudson | New Hudson | 100–499 | ◐ LIKELY ACTIVE |
| WSWebasto Sunroofs INC | Rochester | — | ◐ LIKELY ACTIVE |
| TCTorsion Control Products, INC | Rochester Hills | — | ◐ LIKELY ACTIVE |
| TTTribar Technoloigies | Wixom | — | ◐ LIKELY ACTIVE |
| APAdept Plastic Finishing INC | Wixom | — | ◇ UNVERIFIED |
| BMBordrin Motor Company | Oak Park | — | ◇ UNVERIFIED |
| CFCertified Factory Wheel | Madison Heights | — | ◇ UNVERIFIED |
| DCDana Corporation | Farmington | — | ◇ UNVERIFIED |
| DDDana Driveshaft Manufacturing, LLC | Auburn Hills | — | ◇ UNVERIFIED |
| FWFord Wixom Assembly Plant | Wixom | — | ◇ UNVERIFIED |
| GMGeneral Motors CO North American Truck Group Validation Center | Pontiac | — | ◇ UNVERIFIED |
| GMGeneral Motors Creative Services | Wixom | — | ◇ UNVERIFIED |
| IRInalfa Roof Systems, Incorporated | Auburn Hills | — | ◇ UNVERIFIED |
| JWJasper Weller LLC | Farmington Hills | — | ◇ UNVERIFIED |
| LPLibralter Plastics INC | Walled Lake | — | ◇ UNVERIFIED |
| MBMahle Behr USA INC | Troy | — | ◇ UNVERIFIED |
| MPMahle Powertrain LLC | Novi | — | ◇ UNVERIFIED |
| MTMartin Technologies | New Hudson | — | ◇ UNVERIFIED |
| NNNiterra North America (p1099) | Wixom | — | ◇ UNVERIFIED |
| PAPontiac Assembly Center | Pontiac | — | ◇ UNVERIFIED |
| PWPontiac West, LLC | Pontiac | — | ◇ UNVERIFIED |
| PCPrefix Corporation | Rochester Hills | — | ◇ UNVERIFIED |
| RIRecticel Interiors North America LLC | Clarkston | — | ◇ UNVERIFIED |
| SMSaturn Madison Heights Facility | Madison Heights | — | ◇ UNVERIFIED |
| UAUmicore Autocat USA INC. | Auburn Hills | — | ◇ UNVERIFIED |
| UBUni-bond Brake, INC. | Ferndale | — | ◇ UNVERIFIED |
| 3C3Con Corporation | Wixom | 20–99 | ◐ LIKELY ACTIVE |
| 8A828 Associates LLC | Rochester | — | ◐ LIKELY ACTIVE |
| ADActive Dynamics | Novi | 20–99 | ◐ LIKELY ACTIVE |
| AMAdient Madison Heights, US LLC | Madison Heights | 20–99 | ◐ LIKELY ACTIVE |
| AAAllison Auburn Hills | Auburn Hills | 20–99 | ◐ LIKELY ACTIVE |
| ARAmerican Rheinmetall Auburn Hills | Auburn Hills | 100–499 | ◐ LIKELY ACTIVE |
| ARAmerican Rheinmetall Vehicles, LLC | Auburn Hills | — | ◐ LIKELY ACTIVE |
| AHAuburn Hills Manufacturing | Aubrun Hills | 100–499 | ◐ LIKELY ACTIVE |
| ACAuria Corporate | Southfield | 100–499 | ◐ LIKELY ACTIVE |
| AEAuto Electric International | Southfield | 20–99 | ◐ LIKELY ACTIVE |