| MIMarlock INC | Maynardville | TN | — | ◇ UNVERIFIED |
| MMMartin Marietta Composites INC Sparta Facility | Sparta | NC | — | ◇ UNVERIFIED |
| MPMaryland Plastics | Federalsburg | MD | — | ◇ UNVERIFIED |
| MRMasco Retail Cabinet Group | Waverly | OH | — | ◇ UNVERIFIED |
| MPMastercraft Pattern and Model Works INC / Fiberglass Reinforced Plastic Mfg Faci | North Miami | OK | — | ◇ UNVERIFIED |
| MIMasterfab INC | Goshen | IN | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | — | ◇ UNVERIFIED |
| MMMatchless Metal Polish CO | Chicago | IL | — | ◇ UNVERIFIED |
| MIMateria, INC. | Pasadena | CA | — | ◇ UNVERIFIED |
| MPMaterial Processing and Handling CO | Fostoria | OH | — | ◇ UNVERIFIED |
| MPMato Plastics INC. | Valencia | CA | — | ◇ UNVERIFIED |
| MPMauser Packaging Solutions | Charlotte | NC | — | ◇ UNVERIFIED |
| MPMax Pax LLC | Elkhorn | WI | — | ◇ UNVERIFIED |
| MMMayfair Molded Products CORP | Schiller Park | IL | — | ◇ UNVERIFIED |
| MBMccann Barrel | Milwaukee | WI | — | ◇ UNVERIFIED |
| MPMcclarin Plastics LLC | Hanover | PA | — | ◇ UNVERIFIED |
| MGMclaughlin Gormley King CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| M3Mc (us) 3 LLC | Dunbar | WV | — | ◇ UNVERIFIED |
| MPMd Pharmaceutical Supply | Hanover | PA | — | ◇ UNVERIFIED |
| MCMeadwestvaco Calmar INC. | Winfield | KS | — | ◇ UNVERIFIED |
| MLMebrom LLC (tifton) | Tifton | GA | — | ◇ UNVERIFIED |
| MAMedallion Adir | Paterson | NJ | — | ◇ UNVERIFIED |
 Medegen Medical Products, LLC | Northglenn | CO | — | ◇ UNVERIFIED |
| MBMedical Biowaste Solutions INC | Mission Viejo | CA | — | ◇ UNVERIFIED |
| MIMedline INC. | Mundelein | IL | — | ◇ UNVERIFIED |
| MOMeglobal Oyster Creek | Freeport | TX | — | ◇ UNVERIFIED |
| MCMelsur CORP | Westminster | VT | — | ◇ UNVERIFIED |
| MMelwood | Upper Marlboro | MD | — | ◇ UNVERIFIED |
| MEMenlo Energy Florida, LLC | Dade City | FL | — | ◇ UNVERIFIED |
| MDMercer Distribution Facility | Seattle | WA | — | ◇ UNVERIFIED |
| MCMerck & Co, LLC | Boulder | CO | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
| MAMeridian Automotive | Jackson | OH | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems | Shelbyville | IN | — | ◇ UNVERIFIED |
| MAMeridian Automotive Systems INC | Canandaigua | NY | — | ◇ UNVERIFIED |
| MHMeritor - Howell | Howell | MI | — | ◇ UNVERIFIED |
| MIMetaglo INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| MGMfg Galileo Composites | Sparks | NV | — | ◇ UNVERIFIED |
| MMgs | Germantown | WI | — | ◇ UNVERIFIED |
| MUMicrodyn-nadir US INC | Goleta | CA | — | ◇ UNVERIFIED |
| MPMicro Plastics, INC. | Melbourne | AR | — | ◇ UNVERIFIED |
| MSMid-america Steel Drum CO INC | Saint Francis | WI | — | ◇ UNVERIFIED |
| MBMidwest Biodiesel Products | South Roxana | IL | — | ◇ UNVERIFIED |
| MBMidwest Biofuel, LLC | Clinton | WI | — | ◇ UNVERIFIED |
| MCMidwest Container Reconditioning Mcr | Fulton | MO | — | ◇ UNVERIFIED |
| MIMidwest Industrial Coatings, INC | Shakopee | MN | — | ◇ UNVERIFIED |
| MMMidwest Molding, INC. | Wolcottville | IN | — | ◇ UNVERIFIED |
| MPMidwest Plastic CO | Cherryvale | KS | — | ◇ UNVERIFIED |
| MTMidwest Tank Services INC | Bolivar | OH | — | ◇ UNVERIFIED |
| MGMikron G Building | Kent | WA | — | ◇ UNVERIFIED |
| MMMikron Midwest | Winnebago | IL | — | ◇ UNVERIFIED |
| MWMilgard Woodclad Division | Tacoma | WA | — | ◇ UNVERIFIED |
| MPMilliporesigma - Port Washington | Port Washington | WI | — | ◇ UNVERIFIED |
| MWMineral Wells Facility | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MCMistolin Caribe INC | Bayamon | PR | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Advanced Materials | Wytheville | VA | — | ◇ UNVERIFIED |
| MWMi Windows & Doors LLC -gratz Facility | Gratz | PA | — | ◇ UNVERIFIED |
| MDModern Dispersion | Leominster | MA | — | ◇ UNVERIFIED |
| MPModern Plastics | Benton Harbor | MI | — | ◇ UNVERIFIED |
| MPModern Press INC | Wilmington | DE | — | ◇ UNVERIFIED |
| MIMoistureshield, INC. | Lowell | AR | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies, Plant 1 | Ashtabula | OH | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass - Holly Rd | Adelanto | CA | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Northwest Site | Stevenson | WA | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC | Demopolis | AL | — | ◇ UNVERIFIED |
| MPMonarch Plastic INC (0285010268) | Orrville | OH | — | ◇ UNVERIFIED |
| MCMontrose Chemical Corporation of Ca -henderson, Nevada Site | Henderson | NV | — | ◇ UNVERIFIED |
| MCMorgan County Renewable Fuels, LLC | Log Lane Village, 3.5 Mi Sw of | CO | — | ◇ UNVERIFIED |
| MSMorining Star Manufacturing INC | Crump | TN | — | ◇ UNVERIFIED |
| MIMorton International | Woburn | MA | — | ◇ UNVERIFIED |
| MMMountain Molding LTD | Longmont | CO | — | ◇ UNVERIFIED |
| MSMountain Supply and Service | Williamsport | PA | — | ◇ UNVERIFIED |
| MSMountain Supply and Service Wheeling | Wheeling | WV | — | ◇ UNVERIFIED |
| MIMrc Industries | Roseville | MI | — | ◇ UNVERIFIED |
| MMMr. Marble CO. | Lawrenceville | GA | — | ◇ UNVERIFIED |
| MMMw Manufacturers | Lexington | NC | — | ◇ UNVERIFIED |
| MMMw Manufacturers INC. | Londonderry | NH | — | ◇ UNVERIFIED |
| NNNalge Nunc International | Naperville | IL | — | ◇ UNVERIFIED |
| NNNalge Nunc Intl | Fairport | NY | — | ◇ UNVERIFIED |
| NCNashville Chemical & Equipment CO INC | Nashville | TN | — | ◇ UNVERIFIED |
| NENational Environmental Fiberglass LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| NINational Interchem CORP | Chicago | IL | — | ◇ UNVERIFIED |
| NPNational Peening Incorporated | Salem | VA | — | ◇ UNVERIFIED |
| NPNational Picture & Frame Company | Greenwood | MS | — | ◇ UNVERIFIED |
| NPNational Plastics Color | Valley Center | KS | — | ◇ UNVERIFIED |
| NPNational Plastics Color INC | Valley Center | KS | — | ◇ UNVERIFIED |
| NTNational Trail Biodiesel Group LLC | Newton | IL | — | ◇ UNVERIFIED |
| NANative American Environmental Technologies INC | Greentown | PA | — | ◇ UNVERIFIED |
| NONatural Organic Products International INC | Mount Dora | FL | — | ◇ UNVERIFIED |
| NINaturetech-solutions INC | Lancaster | PA | — | ◇ UNVERIFIED |
| NSNeel Schaffer Inc, Jitney Jr Number 617 | Tchula | MS | — | ◇ UNVERIFIED |
| NBNelson Biotechnologies INC | Flagstaff | AZ | — | ◇ UNVERIFIED |
| NENew Eden Energy LLC | Saint Cloud | FL | — | ◇ UNVERIFIED |
| NRNewell Rubbermaid | Winfield | KS | — | ◇ UNVERIFIED |
| NVNew Vision Fiberglass-grand Forks Plant | Grand Forks | ND | — | ◇ UNVERIFIED |
| NDNext Diesel | Adrian | MI | — | ◇ UNVERIFIED |
| NFNiagara Fiberglass INC | Buffalo | NY | — | ◇ UNVERIFIED |
| NKNifco Ktw | Toccoa | GA | — | ◇ UNVERIFIED |
