| MMMaster Marble INC Holden | Holden | MO | — | ◇ UNVERIFIED |
| MMMaster Millwork, INC | Randolph | MA | — | ◇ UNVERIFIED |
| MMMaster Millwork Incorporated | Bourne | MA | — | ◇ UNVERIFIED |
| MSMasterpiece Staircase - Millwork, LLC | Wesley Chapel | NC | — | ◇ UNVERIFIED |
| MSMasterpiece Stair INC | Denver | CO | — | ◇ UNVERIFIED |
| MSMaster Stone, LLC | Sheridan | CO | — | ◇ UNVERIFIED |
| MSMaster Stone Plus, INC | Orlando | FL | — | ◇ UNVERIFIED |
| MWMaster Woodworks INC | Salem | OR | — | ◇ UNVERIFIED |
| MCMasterWorks Custom Cabinets LLC | Smyrna | TN | — | ◇ UNVERIFIED |
| MWMatheny Windows & Doors | San Leandro | CA | — | ◇ UNVERIFIED |
| MCMatheson Cabinets INC | Victoria | MN | — | ◇ UNVERIFIED |
| MZmatrix z llc | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| MZmatrix z llc | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| MCMatthew C. Luedecke, an Individual | Petaluma | CA | — | ◇ UNVERIFIED |
 Matthews International Corporation | Whittier | CA | — | ◇ UNVERIFIED |
| MPMatthews Pallet Company | Ellaville | GA | — | ◇ UNVERIFIED |
| MRMatthews Redwood, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| MGMaturin Group INC Dba Pico Rivera Pallet | Colton | CA | — | ◇ UNVERIFIED |
| MPMatzke Properties LAX, LLC | La Crosse | WI | — | ◇ UNVERIFIED |
| MEMauch Enterprises, LLC | Spokane Valley | WA | — | ◇ UNVERIFIED |
| MCMaui Custom Woodworks, INC. | Kahului | HI | — | ◇ UNVERIFIED |
| MAMaurer and Shepherd, Joyners, INC. | Glastonbury | CT | — | ◇ UNVERIFIED |
| MFMaurer Flooring, Inc. | Damascus | OR | — | ◇ UNVERIFIED |
| MMMaurice Moore Memorials | Chicago Ridge | IL | — | ◇ UNVERIFIED |
| MCMaverick Contractors INC. | Lawrenceville | GA | — | ◇ UNVERIFIED |
| MDMaverick Door and Millwork, INC. | Schertz | TX | — | ◇ UNVERIFIED |
| MTMaxcess Technologies | Summerville | SC | — | ◇ UNVERIFIED |
| MIMaxtin INC. | Farmers Branch | TX | — | ◇ UNVERIFIED |
| MPMayfield Property Management, Inc. | Mangonia Park | FL | — | ◇ UNVERIFIED |
| MEMaynard Esender Woodworks, INC. | Frankford | DE | — | ◇ UNVERIFIED |
| MWMaynard Woodworking, INC. | Foley | AL | — | ◇ UNVERIFIED |
| MDMaz Dow LLC | Bend | OR | — | ◇ UNVERIFIED |
| MCM&b Carpentry and Manufacturing, INC. | Farmersville | CA | — | ◇ UNVERIFIED |
| MCMbf Crate Designs, LLC. | Clifton | NJ | — | ◇ UNVERIFIED |
| MFMBH Furniture Innovations Inc. | Spring Valley | NY | — | ◇ UNVERIFIED |
| MIMcad Inc., | Greensboro | NC | — | ◇ UNVERIFIED |
| MIMcad Inc., Dba Carolina Custom Surfaces | Greensboro | NC | — | ◇ UNVERIFIED |
| MCM Calosso & Son INC | Stockton | CA | — | ◇ UNVERIFIED |
| MRMCA Real Estate Holdings LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| MLMcbride Lumber Company Partnership, LLC | Star | NC | — | ◇ UNVERIFIED |
| MLMcbr Lloyds Custom Woodwork Dba Lloyds Custom Woodwork | Concord | CA | — | ◇ UNVERIFIED |
| MHMccallister Hansen Woodworks INC | Oregon City | OR | — | ◇ UNVERIFIED |
| MCMccallum Cabinets, INC. | Vacaville | CA | — | ◇ UNVERIFIED |
| MCMccarthy Cabinetry | Burlington | WI | — | ◇ UNVERIFIED |
| MCMcclain's Custom Cabinets, INC. | Hot Springs | AR | — | ◇ UNVERIFIED |
| MCMcclintock Cabinets INC. | Appleton | WI | — | ◇ UNVERIFIED |
| MCMccluskey Cabinets INC | Springfield | OR | — | ◇ UNVERIFIED |
| MCMccomas-lacina Construction, Lc | Iowa City | IA | — | ◇ UNVERIFIED |
| MCMc Connell Cabinets INC | Industry | CA | — | ◇ UNVERIFIED |
| MCM & C Custom Cabinets | Norfolk | VA | — | ◇ UNVERIFIED |
