| MMM3 Mfg LLC | Ramona | CA | — | ◇ UNVERIFIED |
| MPM3 Precision LLC Dba K&g Engineering | Santa Maria | CA | — | ◇ UNVERIFIED |
| MSMachine Shop Express | San Diego | CA | — | ◇ UNVERIFIED |
| MAMadera and Beau LLC | Cardiff By the Sea | CA | — | ◇ UNVERIFIED |
| MTMad Tech Diesel Workz LLC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MAMagna Assembly Piedmont | Piedmont | SC | — | ◇ UNVERIFIED |
| MCMagna Closures Lighting Division | Plymouth | MI | — | ◇ UNVERIFIED |
| MEMagna Engineered Glass | Holland | MI | — | ◇ UNVERIFIED |
| MEMagna Exteriors and Interiors USA INC | Spartanburg | SC | — | ◇ UNVERIFIED |
| MIMagna International INC | Lansing | MI | — | ◇ UNVERIFIED |
| MMagna-lakeland | Kentwood | MI | — | ◇ UNVERIFIED |
| MMMagna Mirrors Corporation | Grand Haven | MI | — | ◇ UNVERIFIED |
| MPMagna Powertrain Shelby Township | Utica | MI | — | ◇ UNVERIFIED |
| MMMagneti Marelli | Clarkston | MI | — | ◇ UNVERIFIED |
| MAMagnolia Automotive Services-alabama LLC | Madison | AL | — | ◇ UNVERIFIED |
| MBMahle Behr Charleston INC. | North Charleston | SC | — | ◇ UNVERIFIED |
| MBMahle Behr USA INC | Troy | MI | — | ◇ UNVERIFIED |
| MIMahle INC Trumbull Plant | Trumbull | CT | — | ◇ UNVERIFIED |
 Mahle Industrial Thermal Systems America | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MAMajor Armature Co-recycling Div | Chicago | IL | — | ◇ UNVERIFIED |
| MGMakers Garage LLC | Madison Heights | MI | — | ◇ UNVERIFIED |
| MTMall Tooling & Engineering, INC. | Mount Clemens | MI | — | ◇ UNVERIFIED |
| MMM&e Machine and Engineering CO | Murrieta | CA | — | ◇ UNVERIFIED |
| MEMan Energy Solutions USA INC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| MIManufacturers Industrial Group LLC | Athens | TN | — | ◇ UNVERIFIED |
| MAMargus Auto Electric Exchange INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| MMMaritec - Metpro Corporation | Greenville | SC | — | ◇ UNVERIFIED |
| MBMartin Barkey Racing Products (mbrp Ltd) | Huntsville, Ontario, Ca | IL | — | ◇ UNVERIFIED |
| MRMassey Road Facility | Tyler | TX | — | ◇ UNVERIFIED |
| MIMaval Industries LLC Division of Remy International | Twinsburg | OH | — | ◇ UNVERIFIED |
| MFMaxair Four Seasons Fort Worth Ops | Fort Worth | TX | — | ◇ UNVERIFIED |
| MWMaxiom Wheels, Akron Operation (1677010157) | Akron | OH | — | ◇ UNVERIFIED |
| MFMaxion Fumagalli Automotive USA INC | Troy | MI | — | ◇ UNVERIFIED |
| MGMaxton Group INC | Ormond Beach | FL | — | ◇ UNVERIFIED |
| MDMay Day Auto Classic Parts, Inc | Levittown | PA | — | ◇ UNVERIFIED |
| MPMayser Polymer | Canton | MI | — | ◇ UNVERIFIED |
| MTMay Trucking | Phelan | CA | — | ◇ UNVERIFIED |
 Mayville Engineering Company INC Dba Mec | Vanderbilt | MI | — | ◇ UNVERIFIED |
| Mayville Engineering Company, INC. (mec) - Virginia Main Plant - Wytheville | Wytheville | VA | — | ◇ UNVERIFIED |
| MEMcardle Enterprises | Charlotte | NC | — | ◇ UNVERIFIED |
| MDMc Dairy Construction INC | Turlock | CA | — | ◇ UNVERIFIED |
| MFMcintire Fabricators INC | Mc Intire | IA | — | ◇ UNVERIFIED |
| MSMci Service Parts (0303000098)mci Service Parts (0303000098) | Loudonville | OH | — | ◇ UNVERIFIED |
| MRMcLeod Racing LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| MTMcneilus Truck & Manufacturing INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| MRMc & R Enterprises INC Dba Bright Sky Industries | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MSMean Stamping Industries | Vassar | MI | — | ◇ UNVERIFIED |
| MMM&e Machine and Engineering CO | Murrieta | CA | — | ◇ UNVERIFIED |
| MTMendeola Transaxles INC | National City | CA | — | ◇ UNVERIFIED |
| MAMenig Automotive Group LLC | Grass Valley | CA | — | ◇ UNVERIFIED |
