| MManpower | Decorah | IA | — | ◇ UNVERIFIED |
| MCMantaline Corporation | Hiram | OH | — | ◇ UNVERIFIED |
| MSManufacturing Services & Installation LLC | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| MSManufacturing Services International LLC | Bessemer City | NC | — | ◇ UNVERIFIED |
| MEMarathon Equipment | Phoenix | AZ | — | ◇ 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 |
| MMMaritec - Metpro Corporation | Greenville | SC | — | ◇ UNVERIFIED |
| MEMark E. Callaghan and Stacie L. Callaghan | Lincoln | 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 |
| MIMarlock INC | Maynardville | TN | — | ◇ UNVERIFIED |
| MPMarlo Plastic Products INC. | Manalapan | NJ | — | ◇ UNVERIFIED |
| MPMarlo Plastic Products, INC. | Neptune | NJ | — | ◇ UNVERIFIED |
| MEMarmax Enterprises, Inc. | Richfield | WI | — | ◇ UNVERIFIED |
| MGMarshall Gruber Systems, INC. | Mansfield | TX | — | ◇ UNVERIFIED |
| MMMartin Marietta Composites INC Sparta Facility | Sparta | NC | — | ◇ UNVERIFIED |
| MRMartin Rubber Corporation | La Habra | CA | — | ◇ 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 |
| 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 |
| MFMaster Fabrication | Carson | CA | — | ◇ UNVERIFIED |
| MLMasterglas LLC | Lakeville | MN | — | ◇ UNVERIFIED |
| MKMaster Kraft Tooling Corporation | Tulsa | OK | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | — | ◇ UNVERIFIED |
| MMMaster Molders INC | Orangeburg | SC | — | ◇ UNVERIFIED |
| MIMastermolding, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| MPMaster Precision Mold Technologies | Greenville | MI | — | ◇ UNVERIFIED |
| MHMastic Home Exteriors, INC. | Stuarts Draft | VA | — | ◇ UNVERIFIED |
| MPMatchless Plastics INC | Plymouth | MN | — | ◇ UNVERIFIED |
| MPMaterial Processing and Handling CO | Fostoria | OH | — | ◇ UNVERIFIED |
| MPMato Plastics INC. | Valencia | CA | — | ◇ UNVERIFIED |
| MMatrix | Doniphan | MO | — | ◇ UNVERIFIED |
| MIMatrix, Iv, INC | Woodstock | IL | — | ◇ UNVERIFIED |
| MMMatrix Manufacturing | Wyoming | MI | — | ◇ UNVERIFIED |
| MMMaugus Manufacturing Incorporated | Lancaster | PA | — | ◇ UNVERIFIED |
| MCMaui Cup a Division of Letica Corporation | Pittston | PA | — | ◇ UNVERIFIED |
| MCMauser CORP | Nitro | WV | — | ◇ UNVERIFIED |
| MCMauser CORP | Addison | IL | — | ◇ UNVERIFIED |
| MPMauser Packaging Solutions | Charlotte | NC | — | ◇ UNVERIFIED |
| MUMauser USA LLC | Clarkston | MI | — | ◇ UNVERIFIED |
| MIMaval Industries LLC Division of Remy International | Twinsburg | OH | — | ◇ UNVERIFIED |
| MMMaximum Machine | Riverton | UT | — | ◇ UNVERIFIED |
| MPMaxon Plastics. Inc. | Batavia | IL | — | ◇ UNVERIFIED |
| MMMaxwell Manufacturing, INC. | Maxwell | TX | — | ◇ UNVERIFIED |
| MIMayco International | Hartford City | IN | — | ◇ UNVERIFIED |
| MMMayfair Molded Products CORP | Schiller Park | IL | — | ◇ 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 |
| MVMckechnie Vehicle Components USA INC | Nicholasville | KY | — | ◇ UNVERIFIED |
| MVMckechnie Vehicle Components USA INC Dba Mckechnie | Staples | MN | — | ◇ UNVERIFIED |
| MMMc Machining LLC | Ogden | UT | — | ◇ UNVERIFIED |
| MCMcm Composites, LLC | Manitowoc | WI | — | ◇ UNVERIFIED |
| MLMco2, LLC | Aurora | OH | — | ◇ UNVERIFIED |
| MGMdi Government Services | Hibbing | MN | — | ◇ UNVERIFIED |
| MOMdi of Wisconsin | Oshkosh | WI | — | ◇ UNVERIFIED |
| MIMdr International INC. | North Miami | FL | — | ◇ UNVERIFIED |
| MMMDS Manufacturing, LLC | Pacific | MO | — | ◇ UNVERIFIED |
| MCMeadwestvaco Calmar INC. | Winfield | KS | — | ◇ UNVERIFIED |
| MIMedax International INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
 Medegen Medical Products, LLC | Northglenn | CO | — | ◇ UNVERIFIED |
| MWMedical Waste Envir Engrs INC | Santa Maria | CA | — | ◇ UNVERIFIED |
| MCMediland Corporation | Paramount | CA | — | ◇ UNVERIFIED |
| MTMedplast Tempe, INC. | Tempe | AZ | — | ◇ UNVERIFIED |
| MPMedway Plastics CORP | Long Beach | CA | — | ◇ UNVERIFIED |
| MPMedway Plastics Corporation | Pflugerville | TX | — | ◇ UNVERIFIED |
| MIMeese, INC. | Saddle Brook | NJ | — | ◇ UNVERIFIED |
| MTMeiden Tech Ctr N America | Northville | MI | — | ◇ UNVERIFIED |
| MPMelet Plastics | Fargo | ND | — | ◇ UNVERIFIED |
| MCMelsur CORP | Westminster | VT | — | ◇ UNVERIFIED |
| MTMembrane Technology & Research | Menlo Park | CA | — | ◇ UNVERIFIED |
| MAMenig Automotive Group LLC | Grass Valley | CA | — | ◇ UNVERIFIED |
| MAMep Acquisitions CORP. | Murfreesboro | TN | — | ◇ UNVERIFIED |
| MMMerchants Metals | Tampa | FL | — | ◇ UNVERIFIED |
| MCMerck & Co, LLC | Boulder | CO | — | ◇ UNVERIFIED |
| MMMerco Marine | Wellsburg | WV | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC Dba Felpak | Chicago | IL | — | ◇ UNVERIFIED |
| MCMergon Corporation | Anderson | SC | — | ◇ UNVERIFIED |
| MAMeridian Automotive | Jackson | OH | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems | Detroit | MI | — | ◇ UNVERIFIED |
