| MMMartin Marietta Composites INC Sparta Facility | Sparta | NC | — | ◇ UNVERIFIED |
| MMarvin | Kansas City | KS | — | ◇ UNVERIFIED |
| MCMarvin Composites | Fargo | ND | — | ◇ 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 |
| 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 |
| MCMateenbar Composite Reinforcements, LLC | Concord | NC | — | ◇ 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 |
| 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 |
| 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 |
| MPMayon Plastics CO | Hopkins | MN | — | ◇ 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 |
| MDMc Dist & Mfg. CO | Addison | IL | — | ◇ UNVERIFIED |
| MTMcdonald Tank & Equipment | Great Bend | KS | — | ◇ UNVERIFIED |
| MVMckechnie Vehicle Components USA INC | Nicholasville | KY | — | ◇ UNVERIFIED |
| MMMc Machining LLC | Ogden | UT | — | ◇ UNVERIFIED |
| MCMcm Composites, LLC | Manitowoc | WI | — | ◇ UNVERIFIED |
| MDM D Building Products INC | Woodburn | OR | — | ◇ UNVERIFIED |
| MBMd Building Products, INC. | Gainesville | GA | — | ◇ 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 |
| MNMeadville New Products, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| MCMeadwestvaco Calmar INC. | Winfield | KS | — | ◇ UNVERIFIED |
| MIMedax International INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
 Medegen Medical Products, LLC | Northglenn | CO | — | ◇ UNVERIFIED |
| MEMedical Extrusion Technologies Minnesota INC | Elk River | MN | — | ◇ 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 |
| MPMelet Plastics | Fargo | ND | — | ◇ UNVERIFIED |
| MCMelsur CORP | Westminster | VT | — | ◇ UNVERIFIED |
| MTMembrane Technology & Research | Menlo Park | CA | — | ◇ UNVERIFIED |
| MAMep Acquisitions CORP. | Murfreesboro | TN | — | ◇ UNVERIFIED |
| MPMercer Prods CO | Umatilla | FL | — | ◇ UNVERIFIED |
| MMMerchants Metals | Tampa | FL | — | ◇ UNVERIFIED |
| MCMerck & Co, LLC | Boulder | CO | — | ◇ UNVERIFIED |
| MMMerco Marine | Wellsburg | WV | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC Dba Felpak | Chicago | IL | — | ◇ UNVERIFIED |
| MCMergon Corporation | Anderson | SC | — | ◇ UNVERIFIED |
| MAMeridian Automotive | Jackson | OH | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems | Shelbyville | IN | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems INC | Canandaigua | NY | — | ◇ UNVERIFIED |
| MPMeridian Precision INC | Pine Grove | PA | — | ◇ UNVERIFIED |
| MPMeridian Products Corporation (360 Toll and Design) | Dallas | TX | — | ◇ UNVERIFIED |
| MIMetaglo INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| MPMetal Profies nad Plastics | Mission | TX | — | ◇ UNVERIFIED |
| MAMethod Associates Inc | Keyport | NJ | — | ◇ UNVERIFIED |
| MEM E T Plastics, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MMMetro Mold & Design LLC - Building 4 | Rogers | MN | — | ◇ UNVERIFIED |
| MGMfg Galileo Composites | Sparks | NV | — | ◇ UNVERIFIED |
| MCMfn Consulting INC Dba Designer Selections | Saint Paul | MN | — | ◇ UNVERIFIED |
| MGMgs Group North America INC | Germantown | WI | — | ◇ UNVERIFIED |
| MPMicalline Products INC | Columbia | SC | — | ◇ UNVERIFIED |
| MDMichael Day Enterprises, LLC | Wadsworth | OH | — | ◇ UNVERIFIED |
| MEMichael E. Murphy and Erica L. Murphy Living Trust | Trabuco Canyon | CA | — | ◇ UNVERIFIED |
| MIMicor INC. | Allison Park | PA | — | ◇ UNVERIFIED |
| MUMicrodyn-nadir US INC | Goleta | CA | — | ◇ UNVERIFIED |
| MIMicrolumen INC | Oldsmar | FL | — | ◇ UNVERIFIED |
| MMMicron Molding INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MPMicro Plastics INC | Flippin | AR | — | ◇ UNVERIFIED |
| MPMicro Plastics, INC. | Melbourne | AR | — | ◇ UNVERIFIED |
| MTMicro Tech I Southwest, LLC | Tempe | AZ | — | ◇ UNVERIFIED |
| MAMid America Engineering & Fabrication CO | Fort Lupton | CO | — | ◇ UNVERIFIED |
| MSMid-america Steel Drum CO INC | Saint Francis | WI | — | ◇ UNVERIFIED |
| MAMid Atlantic Vinyl Products INC | Fredericksburg | VA | — | ◇ UNVERIFIED |
| MPMid-florida Plastics INC. | Orlando | FL | — | ◇ UNVERIFIED |
| MIMidgard, INC. | Lake Wales | FL | — | ◇ UNVERIFIED |
