| MIMagna International INC Dba Lexamar Corporation | Boyne City | MI | — | ◇ UNVERIFIED |
| MEMagoulas Enterprises | Joplin | MO | — | ◇ UNVERIFIED |
| MAM a Hanna Rubber, INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MFMahle Filter Systems | Murfreesboro | TN | — | ◇ UNVERIFIED |
| MOMahnke's Orthotics & Prosthetics of Deerfield, Inc. | Miami | FL | — | ◇ UNVERIFIED |
| MOMahnke's Orthotics & Prosthetics of Deerfield, Inc. | Hollywood | FL | — | ◇ UNVERIFIED |
| MIMaine Industrial Tire | Gorham | ME | — | ◇ UNVERIFIED |
| MMMajestic Marble CO | Leander | TX | — | ◇ UNVERIFIED |
| MMMajestic Marble & Glass CO | Youngsville | NC | — | ◇ UNVERIFIED |
| MHMAJRS Holdings LLC | Columbia | MO | — | ◇ UNVERIFIED |
| MLMakeitmarketusa.com LLC | Dunedin | FL | — | ◇ UNVERIFIED |
| MPMAKS Plastics, LLC | Elkhart | IN | — | ◇ UNVERIFIED |
| MPMaks Plastics, LLC | Mishawaka | IN | — | ◇ UNVERIFIED |
| MIMakuta INC. | Shelbyville | IN | — | ◇ UNVERIFIED |
| MMMallinckrodt Medical INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| MPMaloney Plastics, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| MMManan Medical Products INC | Wheeling | IL | — | ◇ UNVERIFIED |
| MMManchester Molding & Mfg. Co., INC. | Manchester | CT | — | ◇ UNVERIFIED |
| MMMangar Medical Packaging | New Britain | PA | — | ◇ UNVERIFIED |
| MHMann & Hummel | Portage | MI | — | ◇ UNVERIFIED |
| MHMann & Hummel USA INC. | South Bend | IN | — | ◇ UNVERIFIED |
| MManpower | Sanford | ME | — | ◇ UNVERIFIED |
| MManpower | Decorah | IA | — | ◇ UNVERIFIED |
| MSManufacturing Services & Installation LLC | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| MEMarathon Equipment | Phoenix | AZ | — | ◇ UNVERIFIED |
| MOMarathon Orthotics INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| MIMar-bal INC | Chagrin Falls | OH | — | ◇ UNVERIFIED |
| MCMarble Connection/cabinet Connection | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| MPMarble Palace | Stockton | CA | — | ◇ UNVERIFIED |
| MPMarble Prods INC | Webster | TX | — | ◇ UNVERIFIED |
| MIMariak Industrial | Compton | CA | — | ◇ UNVERIFIED |
| MEMarine Electrical Products | Lebanon | MO | — | ◇ UNVERIFIED |
 Marine Fenders International INC | Wilmington | CA | — | ◇ UNVERIFIED |
| MCMarketing Card Technology, LLC | Darien | IL | — | ◇ UNVERIFIED |
| MHMarketing Holders Real Estate LLC | Mims | FL | — | ◇ UNVERIFIED |
| MIMark I Molded Plastics of Tennessee | Henry | TN | — | ◇ UNVERIFIED |
| MLMark Lomakin | Port St. Lucie | FL | — | ◇ UNVERIFIED |
| MRMark Richey Woodworking & Design INC | Newburyport | MA | — | ◇ UNVERIFIED |
| MSMark Starring & Associates INC | San Antonio | TX | — | ◇ UNVERIFIED |
| MIMarlock INC | Maynardville | TN | — | ◇ UNVERIFIED |
| MPMarlo Plastic Products INC. | Manalapan | NJ | — | ◇ UNVERIFIED |
| MPMarlo Plastic Products, INC. | Neptune | NJ | — | ◇ UNVERIFIED |
| MGMarshall Gruber Systems, INC. | Mansfield | TX | — | ◇ UNVERIFIED |
| MMMartin Marietta Composites INC Sparta Facility | Sparta | NC | — | ◇ UNVERIFIED |
| MUMarukome USA | Irvine | CA | — | ◇ UNVERIFIED |
| MMMarvel Medtech LLC | Cross Plains | WI | — | ◇ UNVERIFIED |
| MMarvin | Kansas City | KS | — | ◇ UNVERIFIED |
| MPMaryland Plastics | Federalsburg | MD | — | ◇ UNVERIFIED |
| MRMasco Retail Cabinet Group | Waverly | OH | — | ◇ UNVERIFIED |
| MRMason Ridge LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MPMassee Products LTD | Niles | MI | — | ◇ UNVERIFIED |
| MLMastercast, LTD. | Pawtucket | RI | — | ◇ UNVERIFIED |
| MPMastercraft Pattern and Model Works INC / Fiberglass Reinforced Plastic Mfg Faci | North Miami | OK | — | ◇ UNVERIFIED |
| MIMasterfab INC | Goshen | IN | — | ◇ UNVERIFIED |
| MLMasterglas LLC | Lakeville | MN | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | — | ◇ UNVERIFIED |
| MMMaster Molders INC | Orangeburg | SC | — | ◇ UNVERIFIED |
| MIMastermolding, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| MHMastic Home Exteriors, INC. | Stuarts Draft | VA | — | ◇ UNVERIFIED |
| MPMatchless Plastics INC | Plymouth | MN | — | ◇ UNVERIFIED |
| MIMatec Instrument CO INC | Wildomar | CA | — | ◇ UNVERIFIED |
| MPMaterial Processing and Handling CO | Fostoria | OH | — | ◇ UNVERIFIED |
| MPMato Plastics INC. | Valencia | CA | — | ◇ UNVERIFIED |
| MIMatrix, Iv, INC | Woodstock | IL | — | ◇ UNVERIFIED |
| MMMatrix Manufacturing | Wyoming | MI | — | ◇ UNVERIFIED |
| MMMatrix Medtech INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| MSMatrix Surgical Holdings, LLC | Newnan | GA | — | ◇ UNVERIFIED |
| MIMatthews Intl CORP | Buena Park | CA | — | ◇ UNVERIFIED |
| MPMaughan Prosthetic & Orthotic Inc. | Silverdale | WA | — | ◇ UNVERIFIED |
| MMMaugus Manufacturing Incorporated | Lancaster | PA | — | ◇ UNVERIFIED |
| MCMaui Cup a Division of Letica Corporation | Pittston | PA | — | ◇ UNVERIFIED |
| MCMauser CORP | Addison | IL | — | ◇ UNVERIFIED |
| MCMauser CORP | Nitro | WV | — | ◇ UNVERIFIED |
| MPMauser Packaging Solutions | Charlotte | NC | — | ◇ UNVERIFIED |
| MUMauser USA LLC | Clarkston | MI | — | ◇ UNVERIFIED |
| MAMaxi Aids | Farmingdale | NY | — | ◇ UNVERIFIED |
| MPMaxon Plastics. Inc. | Batavia | IL | — | ◇ UNVERIFIED |
| MLMaxtec, LLC | West Valley City | UT | — | ◇ UNVERIFIED |
| MMMaxwell Manufacturing, INC. | Maxwell | TX | — | ◇ UNVERIFIED |
| MMMaxxim Medical INC | Los Gatos | CA | — | ◇ UNVERIFIED |
| MIMayco International | Hartford City | IN | — | ◇ UNVERIFIED |
| MMMayfair Molded Products CORP | Schiller Park | IL | — | ◇ UNVERIFIED |
| MMMayne Medical Services, LLC | Fallston | MD | — | ◇ UNVERIFIED |
| MCMazak CORP | Fremont | CA | — | ◇ UNVERIFIED |
| MKMbm Kosher | Pacoima | CA | — | ◇ UNVERIFIED |
| MIMcad Inc., Dba Carolina Custom Surfaces | Greensboro | NC | — | ◇ UNVERIFIED |
| MBMccann Barrel | Milwaukee | WI | — | ◇ UNVERIFIED |
| MPMcclarin Plastics Llc/blettner Ave | Hanover | PA | — | ◇ UNVERIFIED |
| MPMcclarin Plastics LLC / Mcclarin Plastics LLC Oklahoma Divisio | Oklahoma City | OK | — | ◇ UNVERIFIED |
| MSMccutchen Skywheels CORP | Broomfield | CO | — | ◇ UNVERIFIED |
| MTMcdonald Tank & Equipment | Great Bend | KS | — | ◇ UNVERIFIED |
| MMMcghan Medical - 1160 Mark Ave | Carpinteria | CA | — | ◇ UNVERIFIED |
| MMMcghan Medical Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| MMMcghan Medical Corporation | Santa Barbara | CA | — | ◇ UNVERIFIED |
| MVMckechnie Vehicle Components USA INC | Nicholasville | KY | — | ◇ UNVERIFIED |
| MMMc Machining LLC | Ogden | UT | — | ◇ UNVERIFIED |
| MCMcm Composites, LLC | Manitowoc | WI | — | ◇ UNVERIFIED |
| MGMct Group Holdings LLC Dba Fathom | Oakland | CA | — | ◇ UNVERIFIED |
| MSMdcm Solutions, LLC | Maple Grove | MN | — | ◇ UNVERIFIED |
| MGMdi Government Services | Hibbing | MN | — | ◇ UNVERIFIED |
