| MCMitchell Concrete INC. | Mitchell | SD | — | ◇ UNVERIFIED |
| MCMitsubishi Chem Advanced Material Laurel Line Mfg/scranton | Scranton | PA | — | ◇ UNVERIFIED |
| MCMitsubishi Chem Advanced Materials Inc/delmont 4 | Delmont | PA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Advanced Materials | Wytheville | VA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Performance Polymers INC | Warren | MI | — | ◇ UNVERIFIED |
| MWMi Windows & Doors LLC -gratz Facility | Gratz | PA | — | ◇ UNVERIFIED |
| MCMobil Chemical Company | Santa Ana | CA | — | ◇ UNVERIFIED |
| MCMocom Compounds Corporation | Duncan | SC | — | ◇ UNVERIFIED |
| MDModern Dispersion | Leominster | MA | — | ◇ UNVERIFIED |
| MPModern Plastics | Benton Harbor | MI | — | ◇ UNVERIFIED |
| MSModular Solid Surfaces, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| MIMoistureshield, INC. | Lowell | AR | — | ◇ UNVERIFIED |
| MAMolded Acoustical Prod of Easton Inc/easton | Easton | PA | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Alabama LLC | Opp | AL | — | ◇ 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 |
| MCMolin Concrete Products CO | Lino Lakes | MN | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC Mt Jewett Facility | Mount Jewett | PA | — | ◇ UNVERIFIED |
| MRMonaco Rv | Eugene | OR | — | ◇ UNVERIFIED |
| MMMonarch Manufacturing CO | Adel | IA | — | ◇ UNVERIFIED |
| MMMonarch Manufacturing, INC. | Belcamp | MD | — | ◇ UNVERIFIED |
| MPMonarch Plastic INC (0285010268) | Orrville | OH | — | ◇ UNVERIFIED |
| MPMonarch Precast Concrete CORP | Allentown | PA | — | ◇ UNVERIFIED |
| MMonierlifetile | Tacoma | WA | — | ◇ UNVERIFIED |
| MLMonierlifetile L L C | Brookshire | TX | — | ◇ UNVERIFIED |
| MLMonosol - Laporte Plant | La Porte | IN | — | ◇ UNVERIFIED |
| MPMonosol-lebanon Plant | Lebanon | IN | — | ◇ UNVERIFIED |
| MCMonsanto CO | Kenilworth | NJ | — | ◇ UNVERIFIED |
| MSMorining Star Manufacturing INC | Crump | TN | — | ◇ UNVERIFIED |
| MCMorton Custom Plastics | Saint Matthews | SC | — | ◇ UNVERIFIED |
| MIMorton International | Woburn | MA | — | ◇ UNVERIFIED |
| MMMountain Marble Manufacturing INC | Prescott Valley | AZ | — | ◇ UNVERIFIED |
| MMMountain Molding LTD | Longmont | CO | — | ◇ UNVERIFIED |
| MIMrc Industries | Roseville | MI | — | ◇ UNVERIFIED |
| MPMrc Polymers INC | Chicago | IL | — | ◇ UNVERIFIED |
| MMMr. Marble CO. | Lawrenceville | GA | — | ◇ UNVERIFIED |
| MUMultina USA | Plattsburgh | NY | — | ◇ UNVERIFIED |
| MMMw Manufacturers | Lexington | NC | — | ◇ UNVERIFIED |
| MMMw Manufacturers INC. | Londonderry | NH | — | ◇ UNVERIFIED |
| MIMylec INC | Winchendon | MA | — | ◇ UNVERIFIED |
| NINA Industries Pasadena | Seabrook | TX | — | ◇ UNVERIFIED |
| NMNakanishi Manufacturing Corporation | Winterville | GA | — | ◇ UNVERIFIED |
| NNNalge Nunc International | Naperville | IL | — | ◇ UNVERIFIED |
| NNNalge Nunc Intl | Fairport | NY | — | ◇ UNVERIFIED |
| NCNational Casein | Tyler | TX | — | ◇ UNVERIFIED |
| NENational Environmental Fiberglass LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| NPNational Patent Development CO Hydron Me | New Brunswick | NJ | — | ◇ UNVERIFIED |
| NPNational Picture & Frame Company | Greenwood | MS | — | ◇ UNVERIFIED |
| NPNational Plastics Color | Valley Center | KS | — | ◇ UNVERIFIED |
| NPNational Plastics Color INC | Valley Center | KS | — | ◇ UNVERIFIED |
| NFNatl Fuel Gas Supply/knox Station | Brookville | PA | — | ◇ UNVERIFIED |
| NVNebraska Vault INC | Columbus | NE | — | ◇ UNVERIFIED |
| NPNelco Prod INC | Fullerton | CA | — | ◇ UNVERIFIED |
| NCNelipak Corporation | Cranston | RI | — | ◇ UNVERIFIED |
| NCNevamar Company LLC | Hampton | SC | — | ◇ UNVERIFIED |
| NDNevamar Decorative Surfaces Div Odenton Facility | Odenton | MD | — | ◇ UNVERIFIED |
| NCNeville Chemical CO | Anaheim | CA | — | ◇ UNVERIFIED |
| NANewark Armed Forces Reserve Center | Newark | DE | — | ◇ UNVERIFIED |
 New Bedford Technology LLC | Winchester | VA | — | ◇ UNVERIFIED |
| NRNewell Rubbermaid | Winfield | KS | — | ◇ UNVERIFIED |
| NENew England Laminates CO INC | Walden | NY | — | ◇ UNVERIFIED |
| NENew England Plastic | Norton | MA | — | ◇ UNVERIFIED |
| NMNew Model Cleaners INC. | Boston | MA | — | ◇ UNVERIFIED |
| NPNew Pig CORP | Tipton | PA | — | ◇ UNVERIFIED |
| NINewspring Industrial CORP | Kearny | NJ | — | ◇ UNVERIFIED |
| NVNew Vision Fiberglass-grand Forks Plant | Grand Forks | ND | — | ◇ UNVERIFIED |
| NLNhmf, LLC | Columbus | OH | — | ◇ UNVERIFIED |
| NFNiagara Fiberglass INC | Buffalo | NY | — | ◇ UNVERIFIED |
| NPNiche Polymer LLC | Ravenswood | WV | — | ◇ UNVERIFIED |
| NPNickelson Plastics INC | Johnson City | TN | — | ◇ UNVERIFIED |
| NKNifco Ktw | Toccoa | GA | — | ◇ UNVERIFIED |
| NINike Ihm Inc-st Charles | Saint Charles | MO | — | ◇ UNVERIFIED |
| NANiles America Wintech INC | Winchester | KY | — | ◇ UNVERIFIED |
| NCNippon Carbide Industries | Greenville | SC | — | ◇ UNVERIFIED |
| NCNitterhouse Concrete Precast Plt | Chambersburg | PA | — | ◇ UNVERIFIED |
| NDNitto Denko Automotive Manufacturing | Lexington | KY | — | ◇ UNVERIFIED |
| NSNjdep @ Syncon Resins INC | Kearny | NJ | — | ◇ UNVERIFIED |
| NINoble Industries LTD | Hibbing | MN | — | ◇ UNVERIFIED |
| NPNomad Pools, LLC | Port Richey | FL | — | ◇ UNVERIFIED |
| NINorcen Inds INC | Jersey Shore | PA | — | ◇ UNVERIFIED |
| NTNordam Transparency Div -casting Div | Tulsa | OK | — | ◇ UNVERIFIED |
| NENordson Efd LLC | Robbinsville | NJ | — | ◇ UNVERIFIED |
| NCNoron Composite Technologies, INC | Manistee | MI | — | ◇ UNVERIFIED |
| NPNorseman Plastics INC | Kissimmee | FL | — | ◇ UNVERIFIED |
| NPNortheast Precast CORP | Millville | NJ | — | ◇ UNVERIFIED |
| NENorthern Engraving CORP | Holmen | WI | — | ◇ UNVERIFIED |
| NINorthern Il Wilbert Vault CO INC | Belvidere | IL | — | ◇ UNVERIFIED |
| NINorthern Industries | Coventry | RI | — | ◇ UNVERIFIED |
| NPNorthern Plastics INC | Kalispell | MT | — | ◇ UNVERIFIED |
| NMNorthfield Mundelein Plant | Mundelein | IL | — | ◇ UNVERIFIED |
| NMNorth Marina Ameron Hulbert | Everett | WA | — | ◇ UNVERIFIED |
| NINorthwest Illinois Construction CO | Rock Falls | IL | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | Posen | IL | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | South Beloit | IL | — | ◇ UNVERIFIED |
| NVNorwalk Vault CO | Bridgeport | CT | — | ◇ UNVERIFIED |
| NNorwesco | Merced | CA | — | ◇ UNVERIFIED |
| NCNovachem Corporation | High Point | NC | — | ◇ UNVERIFIED |
