| MVMahomet, Village of | Mahomet | IL | — | ◇ UNVERIFIED |
| MPMahoning Paint CORP | Youngstown | OH | — | ◇ UNVERIFIED |
| MEMaibec Eastern INC | Stoughton | MA | — | ◇ UNVERIFIED |
| MIMaine Industrial Tire | Gorham | ME | — | ◇ UNVERIFIED |
| MSMain Steel LLC | Riverside | CA | — | ◇ UNVERIFIED |
| MSMain Steel Polishing CO INC | Atlanta | GA | — | ◇ UNVERIFIED |
| MSMain Steel Polishing CO. INC. | Youngstown | OH | — | ◇ UNVERIFIED |
| MPMajor Paint CO | Torrance | CA | — | ◇ UNVERIFIED |
| MIMalakoff Ind INC | Malakoff | TX | — | ◇ UNVERIFIED |
| MPMalas Plaza | Rochelle Park | NJ | — | ◇ UNVERIFIED |
| MJMalone Jason & Mandy | Jewett | IL | — | ◇ UNVERIFIED |
| MIMammoth INC | Springfield | MO | — | ◇ UNVERIFIED |
| MPManco Plating INC | Newark | NJ | — | ◇ UNVERIFIED |
| MEMan Energy Solutions USA INC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| MUManex USA | Brooklyn | NY | — | ◇ UNVERIFIED |
| MSManitex Sabre INC | Knox | IN | — | ◇ UNVERIFIED |
| MCManko CORP Plt | Salina | KS | — | ◇ UNVERIFIED |
| MHMann & Hummel USA INC. | South Bend | IN | — | ◇ UNVERIFIED |
| MFMansfield Foundry Corporation | Mansfield | OH | — | ◇ UNVERIFIED |
| MPMansfield Paint CO | Medina | OH | — | ◇ UNVERIFIED |
| MTManual Transmissions of Muncie LLC | Muncie | IN | — | ◇ UNVERIFIED |
| MEManufacturers Enameling CORP | Toledo | OH | — | ◇ UNVERIFIED |
| MGMaple Grove Tower Site | Maple Grove | MN | — | ◇ UNVERIFIED |
| MNMarabu North America LP | North Charleston | SC | — | ◇ UNVERIFIED |
| MIMarada Industries | Westminster | MD | — | ◇ UNVERIFIED |
| MPMara Polishing & Plating CO INC | Newark | NJ | — | ◇ UNVERIFIED |
| MJMarathon Jewelry | Attleboro | MA | — | ◇ UNVERIFIED |
| MBMar Bal INC | Cuba | MO | — | ◇ UNVERIFIED |
| MIMar-bal INC | Chagrin Falls | OH | — | ◇ UNVERIFIED |
| MIMar-bal INC. (0243112019) | Painesville | OH | — | ◇ UNVERIFIED |
| MPMar-bal Pultrusion, INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| MCMarble Connection/cabinet Connection | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| MPMarble Palace | Stockton | CA | — | ◇ UNVERIFIED |
| MCMarch Coatings INC | Brighton | MI | — | ◇ UNVERIFIED |
| MCMarch Coatings Plant 2 | Brighton | MI | — | ◇ UNVERIFIED |
| MVMariah Vision 3 Entertainment Incorporated | Virginia Beach | VA | — | ◇ UNVERIFIED |
| MAMarine Accessories Corporation (mac) | Maryville | TN | — | ◇ UNVERIFIED |
| MEMarine Electrical Products | Lebanon | MO | — | ◇ UNVERIFIED |
| MFMarine Floats CORP | Tacoma | WA | — | ◇ UNVERIFIED |
| MMMarine Material Handling CORP | Lemont | IL | — | ◇ UNVERIFIED |
| MSMarion Steel Fabrication Incorporated | Marion | IN | — | ◇ UNVERIFIED |
| MIMaritime International INC | Broussard | LA | — | ◇ UNVERIFIED |
| MIMarjan INC | Waterbury | CT | — | ◇ UNVERIFIED |
| MIMark I Molded Plastics of Tennessee | Henry | TN | — | ◇ UNVERIFIED |
| MEMarkovitz Ents INC Flowline Div | Whiteville | NC | — | ◇ UNVERIFIED |
| MRMark Richey Woodworking & Design INC | Newburyport | MA | — | ◇ UNVERIFIED |
| MPMarlette Plating | Buffalo | NY | — | ◇ UNVERIFIED |
| MCMarley Cooling Tower Company | Louisville | KY | — | ◇ UNVERIFIED |
| MIMarlock INC | Maynardville | TN | — | ◇ UNVERIFIED |
| MMMarmic Metal Treating | Saint Charles | MO | — | ◇ UNVERIFIED |
| MDMarquis Dental Mfg CO INC | Aurora | CO | — | ◇ UNVERIFIED |
 Marsam Metal Finishing | New Britain | CT | — | ◇ UNVERIFIED |
| MGMarsha Grubb | Shelbyville | IL | — | ◇ UNVERIFIED |
| MSMarshalls Sandblasting and Painting | Willis | VA | — | ◇ UNVERIFIED |
| MSMarshall Steel Services INC. | Arvada | CO | — | ◇ UNVERIFIED |
| MHMars Hill Properties 50th LLC | Seattle | WA | — | ◇ UNVERIFIED |
| MPMarsh Plating CO | Buffalo | NY | — | ◇ UNVERIFIED |
| MAMartin Aaron, INC. | Camden | NJ | — | ◇ UNVERIFIED |
| MCMartin Container Service | Compton | CA | — | ◇ UNVERIFIED |
| MCMartin Container Service INC | Wilmington | CA | — | ◇ UNVERIFIED |
| MMartinizing | Palatine | IL | — | ◇ UNVERIFIED |
| MMMartin Marietta Composites INC Sparta Facility | Sparta | NC | — | ◇ UNVERIFIED |
| MMMartin Metal Specialties | Philadelphia | PA | — | ◇ UNVERIFIED |
| MSMartin Specialty Coatings LLC | Shreveport | LA | — | ◇ UNVERIFIED |
| MSMartin Sprocket & Gear INC | Montpelier | OH | — | ◇ UNVERIFIED |
| MSMartin Steel INC | Huntington | WV | — | ◇ UNVERIFIED |
| MIMarx Industries INC | Sawmills | NC | — | ◇ UNVERIFIED |
| MKMary Kay Abts | Pekin | IL | — | ◇ UNVERIFIED |
| MPMaryland Plastics | Federalsburg | MD | — | ◇ UNVERIFIED |
| MPMasbro Polishing Company | Pawtucket | RI | — | ◇ UNVERIFIED |
| MRMasco Retail Cabinet Group | Waverly | OH | — | ◇ UNVERIFIED |
| MCMason Candlelight | Middlesex | NJ | — | ◇ UNVERIFIED |
| MMMasonic Medical Research Lab | Utica | NY | — | ◇ UNVERIFIED |
| MMMason Mfg INC | Decatur | IL | — | ◇ UNVERIFIED |
| MEMassac Environmental Tech INC | Centralia | IL | — | ◇ UNVERIFIED |
| MCMassasoit Community College | Canton | MA | — | ◇ UNVERIFIED |
| MHMassdot Highway Division | Boston | MA | — | ◇ UNVERIFIED |
| MCMasse Circuit CO | Methuen | MA | — | ◇ UNVERIFIED |
| MBMaster Blasters | Beaverdam | OH | — | ◇ UNVERIFIED |
| MMMastercraft Metal Finishing INC | Seattle | WA | — | ◇ UNVERIFIED |
| MPMastercraft Pattern and Model Works INC / Fiberglass Reinforced Plastic Mfg Faci | North Miami | OK | — | ◇ UNVERIFIED |
| MIMasterfab INC | Goshen | IN | — | ◇ UNVERIFIED |
| MHMaster Halco INC | Canton | MA | — | ◇ UNVERIFIED |
| MIMaster-halco INC | Scranton | PA | — | ◇ UNVERIFIED |
| MIMaster-halco INC | Tampa | FL | — | ◇ UNVERIFIED |
| MHMaster Halco/scranton Plt | Scranton | PA | — | ◇ UNVERIFIED |
| MMMaster Made Paints Incorporated | Carl Junction | MO | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | — | ◇ UNVERIFIED |
| MPMaster Paints & Chemicals CORP | Guayanilla | PR | — | ◇ UNVERIFIED |
| MPMaster Plating | San Diego | CA | — | ◇ UNVERIFIED |
| MPMaster Power Transmission | Columbus | IN | — | ◇ UNVERIFIED |
| MPMaster Printing INC | Carlstadt | NJ | — | ◇ UNVERIFIED |
| MCMasters Corporation | Lowell | MA | — | ◇ UNVERIFIED |
| MTMast Technology | Independence | MO | — | ◇ UNVERIFIED |
| MCMaterial Containment INC | Houston | TX | — | ◇ UNVERIFIED |
| MPMaterial Processing and Handling CO | Fostoria | OH | — | ◇ UNVERIFIED |
| MPMaterial Processing INC | Riverview | MI | — | ◇ UNVERIFIED |
| MDMaterials Developement Corporation | Medford | MA | — | ◇ UNVERIFIED |
| MRMaterials Recovery Technologies | York | PA | — | ◇ UNVERIFIED |
| MAMaterion Advanced Materials Technologies & Services Mesa D | Albuquerque | NM | — | ◇ UNVERIFIED |
