| MMMagna Mirrors Corporation | Grand Haven | MI | — | ◇ UNVERIFIED |
| MPMagna Powertrain Shelby Township | Utica | MI | — | ◇ UNVERIFIED |
| MPMagna Powertrain USA INC | Troy | MI | — | ◇ UNVERIFIED |
| MMMagneti Marelli | Clarkston | MI | — | ◇ UNVERIFIED |
| MAMagnolia Automotive Services-alabama LLC | Madison | AL | — | ◇ UNVERIFIED |
| MCMagnolia Centre Ii | Upland | CA | — | ◇ UNVERIFIED |
| MBMahle Behr Charleston INC. | North Charleston | SC | — | ◇ UNVERIFIED |
| MBMahle Behr USA INC | Troy | MI | — | ◇ UNVERIFIED |
| MEMahle Engine Components USA INC | Caldwell | OH | — | ◇ UNVERIFIED |
| MEMahle Engine Components USA INC | Franklin | KY | — | ◇ UNVERIFIED |
| MEMahle Engine Components USA Inc-manchester | Manchester | MO | — | ◇ UNVERIFIED |
| MIMahle INC Trumbull Plant | Trumbull | CT | — | ◇ UNVERIFIED |
 Mahle Industrial Thermal Systems America | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MCMajestic Cnc Solutions LLC | Washington | 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 |
| MBManhattan Beach Community Church | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| MTManual Transmissions of Muncie LLC | Muncie | IN | — | ◇ UNVERIFIED |
| MIManufacturers Industrial Group LLC | Athens | TN | — | ◇ UNVERIFIED |
| MCMargin CORP | Carmichael | CA | — | ◇ UNVERIFIED |
| MAMargus Auto Electric Exchange INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| MHMarina High School | Marina | CA | — | ◇ UNVERIFIED |
| MVMarina Vista Elementary School | Marina | CA | — | ◇ UNVERIFIED |
| MPMariners Park Village | Torrance | CA | — | ◇ UNVERIFIED |
| MMMaritec - Metpro Corporation | Greenville | SC | — | ◇ UNVERIFIED |
| MAMark Abolofia | Portland | OR | — | ◇ UNVERIFIED |
| MRMarmon Retail Products Incorporated | Crothersville | IN | — | ◇ UNVERIFIED |
| MBMartin Barkey Racing Products (mbrp Ltd) | Huntsville, Ontario, Ca | IL | — | ◇ UNVERIFIED |
| MTMartin Technologies | New Hudson | MI | — | ◇ UNVERIFIED |
| MAMarvel-schebler Aircraft Carburetors LLC | Gibsonville | NC | — | ◇ UNVERIFIED |
| MSMarvel Schebler LLC | Burlington | NC | — | ◇ UNVERIFIED |
| MBMary Browning Family Trust | Inglewood | CA | — | ◇ UNVERIFIED |
| MRMassey Road Facility | Tyler | TX | — | ◇ UNVERIFIED |
| MLMatella LLC | Bellingham | WA | — | ◇ UNVERIFIED |
| MIMaval Industries LLC Division of Remy International | Twinsburg | OH | — | ◇ UNVERIFIED |
| MUMavtel Usa, INC. | Plano | TX | — | ◇ 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 |
