| MBManhattan Beach Community Church | Manhattan Beach | CA | — | ◇ 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 |
| MBMartin Barkey Racing Products (mbrp Ltd) | Huntsville, Ontario, Ca | IL | — | ◇ UNVERIFIED |
| MBMary Browning Family Trust | Inglewood | CA | — | ◇ 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 |
| 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 |
| MEMcardle Enterprises | Charlotte | NC | — | ◇ UNVERIFIED |
| MDMc Dairy Construction INC | Turlock | CA | — | ◇ UNVERIFIED |
| MUMcdonalds's USA LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| MAMcfadden Apartments | Midway City | CA | — | ◇ UNVERIFIED |
| MAMcfadden Apartments | Midway City | 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 |
| MDMercado De San Pedro | San Pedro | CA | — | ◇ UNVERIFIED |
| MHMercy House Living Center | Ontario | CA | — | ◇ UNVERIFIED |
| MRMercy Retirement and Care Center | Oakland | CA | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems | Detroit | MI | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems INC | Centralia | IL | — | ◇ UNVERIFIED |
| MIMeritor, INC. | Kennesaw | GA | — | ◇ UNVERIFIED |
| MIMeritor, INC. | Fletcher | NC | — | ◇ UNVERIFIED |
| MEMertz Enterprises INC Dba Db Sales & Service | Garden Grove | CA | — | ◇ UNVERIFIED |
| MPMesa Pines Apartments | Costa Mesa | CA | — | ◇ UNVERIFIED |
| MMMethods Machine Tools INC | Corona | CA | — | ◇ UNVERIFIED |
| MAMgm Auto Body INC | Framingham | MA | — | ◇ UNVERIFIED |
| MMichael | Los Angeles | CA | — | ◇ UNVERIFIED |
| MBMichael Blankenship | Marysville | WA | — | ◇ UNVERIFIED |
| MPMichigan Production Machining Plant 3 | Macomb | MI | — | ◇ UNVERIFIED |
| MVMid Valley South, L.l.c. | Mooresville | NC | — | ◇ UNVERIFIED |
| MPMidway Products Group, INC. | Greenwich | OH | — | ◇ UNVERIFIED |
