| MGMikron G Building | Kent | WA | — | ◇ UNVERIFIED |
| MIMikron Industries | Kent | WA | — | ◇ UNVERIFIED |
| MIMikron Industries INC | Richmond | KY | — | ◇ UNVERIFIED |
| MMMikron Midwest | Winnebago | IL | — | ◇ UNVERIFIED |
| MWMilgard Woodclad Division | Tacoma | WA | — | ◇ UNVERIFIED |
| MMMiller Manufacturing | Washougal | WA | — | ◇ UNVERIFIED |
| MWMineral Wells Facility | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MPMi Profiles LLC - Millersburg | Millersburg | PA | — | ◇ UNVERIFIED |
| MPMi Profiles Llc/millersburg Plt | Millersburg | PA | — | ◇ 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 |
| 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 |
| MMMonarch Manufacturing CO | Adel | IA | — | ◇ UNVERIFIED |
| MMMonarch Manufacturing, INC. | Belcamp | MD | — | ◇ UNVERIFIED |
| MPMonarch Plastic INC (0285010268) | Orrville | OH | — | ◇ UNVERIFIED |
| MSMorining Star Manufacturing INC | Crump | TN | — | ◇ UNVERIFIED |
| MCMorton Custom Plastics | Saint Matthews | SC | — | ◇ UNVERIFIED |
| MIMorton International | Woburn | MA | — | ◇ UNVERIFIED |
| MMMountain Molding LTD | Longmont | CO | — | ◇ UNVERIFIED |
| MIMrc Industries | Roseville | MI | — | ◇ UNVERIFIED |
| MMMr. Marble CO. | Lawrenceville | GA | — | ◇ UNVERIFIED |
| MUMultina USA | Plattsburgh | NY | — | ◇ UNVERIFIED |
| MMMw Manufacturers | Lexington | NC | — | ◇ UNVERIFIED |
| MMMw Manufacturers INC. | Londonderry | NH | — | ◇ UNVERIFIED |
| NMNakanishi Manufacturing Corporation | Winterville | GA | — | ◇ UNVERIFIED |
| NNNalge Nunc International | Naperville | IL | — | ◇ UNVERIFIED |
| NNNalge Nunc Intl | Fairport | NY | — | ◇ UNVERIFIED |
| NENational Environmental Fiberglass LLC | Adelanto | CA | — | ◇ UNVERIFIED |
| NPNational Picture & Frame Company | Greenwood | MS | — | ◇ UNVERIFIED |
| NPNational Plastics Color | Valley Center | KS | — | ◇ UNVERIFIED |
| NPNational Plastics Color INC | Valley Center | KS | — | ◇ UNVERIFIED |
| NCNelipak Corporation | Cranston | RI | — | ◇ UNVERIFIED |
 New Bedford Technology LLC | Winchester | VA | — | ◇ UNVERIFIED |
| NRNewell Rubbermaid | Winfield | KS | — | ◇ UNVERIFIED |
| NVNew Vision Fiberglass-grand Forks Plant | Grand Forks | ND | — | ◇ UNVERIFIED |
| NFNiagara Fiberglass INC | Buffalo | NY | — | ◇ UNVERIFIED |
| NKNifco Ktw | Toccoa | GA | — | ◇ UNVERIFIED |
| NANiles America Wintech INC | Winchester | KY | — | ◇ UNVERIFIED |
| NINoble Industries LTD | Hibbing | MN | — | ◇ UNVERIFIED |
| NPNomad Pools, LLC | Port Richey | FL | — | ◇ UNVERIFIED |
| NINorcen Inds INC | Jersey Shore | PA | — | ◇ UNVERIFIED |
