| MCMason Corporation | Jemison | AL | — | ◇ UNVERIFIED |
| MRMason Ridge LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MMMassey Metals INC. | Tampa | FL | — | ◇ UNVERIFIED |
| MBMaster Bilt Products Site 2 | New Albany | MS | — | ◇ 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 LLC | Knoxville | IA | — | ◇ UNVERIFIED |
| MLMasterglas LLC | Lakeville | MN | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | — | ◇ UNVERIFIED |
| MMMaster Molders INC | Orangeburg | SC | — | ◇ UNVERIFIED |
| MIMastermolding, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| MSMaster Sheet Metal, INC. | Schofield Barracks | HI | — | ◇ UNVERIFIED |
| MHMastic Home Exteriors, INC. | Stuarts Draft | VA | — | ◇ UNVERIFIED |
| MHMastic Home Exteriors, INC. | Sidney | OH | — | ◇ UNVERIFIED |
| MCMasto Contractor Services INC | Albuquerque | NM | — | ◇ UNVERIFIED |
| MPMatchless Plastics INC | Plymouth | MN | — | ◇ UNVERIFIED |
| MHMaterial Handling Technology | Fair Haven | MI | — | ◇ UNVERIFIED |
| MPMaterial Processing and Handling CO | Fostoria | OH | — | ◇ UNVERIFIED |
| MSMaterial Supply INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| MPMato Plastics INC. | Valencia | CA | — | ◇ UNVERIFIED |
| MIMatrix, Iv, INC | Woodstock | IL | — | ◇ UNVERIFIED |
| MMMatrix Manufacturing | Wyoming | MI | — | ◇ UNVERIFIED |
| MBMatthews Blow Pipe CO INC | Memphis | TN | — | ◇ 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 |
| MSMaverick Sheet Metal LLC | Conroe | TX | — | ◇ 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 |
| MEMayoni Enterprises | Pacoima | CA | — | ◇ UNVERIFIED |
| MLMaysteel, LLC | Allenton | WI | — | ◇ UNVERIFIED |
| MSMaysteel Star Precision | Longmont | CO | — | ◇ UNVERIFIED |
| MCMazak CORP | Fremont | CA | — | ◇ UNVERIFIED |
| MKMbm Kosher | Pacoima | CA | — | ◇ UNVERIFIED |
| MIMcad Inc., Dba Carolina Custom Surfaces | Greensboro | NC | — | ◇ UNVERIFIED |
| MBMc Building Services, LLC | Celveland | OH | — | ◇ UNVERIFIED |
| MMMccabe Metal Products INC | Salem | OR | — | ◇ 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 |
| MSMccorvey Sheet Metal Works LP | Murphy | NC | — | ◇ UNVERIFIED |
| MSMccorvey Sheet Metal Works, L.p. | Orlando | FL | — | ◇ UNVERIFIED |
| MSMccutchen Skywheels CORP | Broomfield | CO | — | ◇ UNVERIFIED |
| MTMcdonald Tank & Equipment | Great Bend | KS | — | ◇ UNVERIFIED |
| MMMcelroy Metal Mill, INC. | Peachtree City | GA | — | ◇ UNVERIFIED |
| MMMcelroy Metal Mill, INC. | Merkel | TX | — | ◇ UNVERIFIED |
| MIMcfarlane, INC. | Grand Forks | ND | — | ◇ UNVERIFIED |
| MAMcgill Airflow Corporation | Stockton | CA | — | ◇ UNVERIFIED |
| MAMcgill Air Flow LLC | Bennington | VT | — | ◇ UNVERIFIED |
| MJMcguire Johns Holdings INC. | Elgin | IL | — | ◇ UNVERIFIED |
| MVMckechnie Vehicle Components USA INC | Nicholasville | KY | — | ◇ UNVERIFIED |
| MMMckinstry Metal Works INC. | Chicopee | MA | — | ◇ UNVERIFIED |
| MMMckinzey Metal Works, INC. | Lake Charles | LA | — | ◇ UNVERIFIED |
| MMMc Machining LLC | Ogden | UT | — | ◇ UNVERIFIED |
| MSMcManus Specialized Sheet Metal Works, Inc. | Milton | NY | — | ◇ UNVERIFIED |
| MCMcm Composites, LLC | Manitowoc | WI | — | ◇ UNVERIFIED |
| MFMcm Fixture Company, INC Dba Mcm Stainless Fabricating INC | Hazel Park | MI | — | ◇ UNVERIFIED |
| MSMct Sheet Metal | Beaumont | TX | — | ◇ UNVERIFIED |
| MSMct Sheetmetal, INC. | Lafayette | LA | — | ◇ UNVERIFIED |
| MHMddh Holdings, LLC | Phoenix | AZ | — | ◇ 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 |
| MMMeade Metals, Inc. | Elizabethtown | KY | — | ◇ UNVERIFIED |
| MCMeadwestvaco Calmar INC. | Winfield | KS | — | ◇ UNVERIFIED |
| MOMech One, INC. | San Diego | CA | — | ◇ 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 |
| MMMeeks Metal Works INC | Portland | OR | — | ◇ UNVERIFIED |
| MIMeese, INC. | Saddle Brook | NJ | — | ◇ UNVERIFIED |
| MMMega Mechanical Services, LLC | Glastonbury | CT | — | ◇ UNVERIFIED |
| MCMel Cor Sheet Metal, INC | Lyons | IL | — | ◇ UNVERIFIED |
| MPMelet Plastics | Fargo | ND | — | ◇ UNVERIFIED |
| MCMelsur CORP | Westminster | VT | — | ◇ UNVERIFIED |
| MTMembrane Technology & Research | Menlo Park | CA | — | ◇ UNVERIFIED |
| MAMep Acquisitions CORP. | Murfreesboro | TN | — | ◇ UNVERIFIED |
| M1Merchant 1 Manufacturing LLC | Reidsville | NC | — | ◇ UNVERIFIED |
| MMMerchants Metals | Tampa | FL | — | ◇ UNVERIFIED |
| MCMerck & Co, LLC | Boulder | CO | — | ◇ UNVERIFIED |
| MMMerco Marine | Wellsburg | WV | — | ◇ UNVERIFIED |
| MMMercury Metals | Watsonville | CA | — | ◇ UNVERIFIED |
| MMMercury Metalworks, LLC | Washington | PA | — | ◇ UNVERIFIED |
| MMMercury Minnesota INC | Faribault | MN | — | ◇ 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 |
| MEMeribel Enterprises LLC Dba Atlas Manufacturing | Minneapolis | MN | — | ◇ UNVERIFIED |
