| MTMicro Tracers INC | Commerce | CA | — | ◇ UNVERIFIED |
| MBMicrovi Biotech INC. | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MSMicrowave Specialty Company | San Marcos | CA | — | ◇ UNVERIFIED |
| MDMid-atlantic Detailing Products LLC | Richmond | VA | — | ◇ UNVERIFIED |
| MAMid Atlantic Vinyl Products INC. | Fredericksburg | VA | — | ◇ UNVERIFIED |
| MCMid Con Systems, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| MKMikuni Kansas (stormwater) | Olathe | KS | — | ◇ UNVERIFIED |
| MMMilacron Marketing Company, LLC | Tecumseh | MI | — | ◇ UNVERIFIED |
| MPMilitary Packaging INC | Florence | KY | — | ◇ UNVERIFIED |
| MPMillennium Plastics, Inc | Groveland | MA | — | ◇ UNVERIFIED |
| MPMina Products Development INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| MRMinton Road Plant | Saginaw | TX | — | ◇ UNVERIFIED |
| MMiteject,inc | National City | CA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Advanced Materials | Stockton | CA | — | ◇ UNVERIFIED |
| MDMixed Dimensions | San Mateo | CA | — | ◇ UNVERIFIED |
| MPModern Plastics CORP. | Wilkes Barre | PA | — | ◇ UNVERIFIED |
| MPModern Plastics Recovery, INC. | Haviland | OH | — | ◇ UNVERIFIED |
 Molecular Matrix INC | West Sacramento | CA | — | ◇ UNVERIFIED |
| MAMolten (north America) CORP (0332010080) | Findlay | OH | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials | Madera | CA | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials | Waterford | NY | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | High Point | NC | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | Riegelwood | NC | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC - Moreau Facility | South Glens Falls | NY | — | ◇ UNVERIFIED |
| MPMondo Polymer Technologies, INC. | Marietta | OH | — | ◇ UNVERIFIED |
| MRMontco Research Products, INC. | Hollister | FL | — | ◇ UNVERIFIED |
| MFMoon Family Enterprises, LLC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MIMor-mike Industries | Bridgewater | MI | — | ◇ UNVERIFIED |
| MIMorton International Inc, Dba Rohm and Haas Electronic Materials LLC | Moss Point | MS | — | ◇ UNVERIFIED |
| MIMorton Intl INC | Seabrook | NH | — | ◇ UNVERIFIED |
| MTMother's Therapy Organics LLC | Castle Rock | CO | — | ◇ UNVERIFIED |
| MPMountain Peak Vinyl | Salt Lake City | UT | — | ◇ UNVERIFIED |
| MVMount Vernon Chemicals, LLC / Apollo Chemical - Burlington | Burlington | NC | — | ◇ UNVERIFIED |
| MSMpm Silicones, LLC | Friendly | WV | — | ◇ UNVERIFIED |
| MOMrc Operations, LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MMMundy Maintenance and Services, LLC | Portsmouth | VA | — | ◇ UNVERIFIED |
| MSMuscle Shoals Mini Storage | Muscle Shoals | AL | — | ◇ UNVERIFIED |
| MIMycoworks INC | Emeryville | CA | — | ◇ UNVERIFIED |
| MLMyst Labs | San Jose | CA | — | ◇ UNVERIFIED |
| NINA Industries Pasadena | Pasadena | TX | — | ◇ UNVERIFIED |
| NCNalco Company | San Diego | CA | — | ◇ UNVERIFIED |
| NKNalco Kilgore Facility | Kilgore | TX | — | ◇ UNVERIFIED |
| NYNan Ya Plastics Corporation America South Carolina Plant | Lake City | SC | — | ◇ UNVERIFIED |
| NINataur INC. | Baltimore | MD | — | ◇ UNVERIFIED |
| NMNational Microdynamics | Chattanooga | TN | — | ◇ UNVERIFIED |
| NNespa | Oroville | CA | — | ◇ UNVERIFIED |
| NPNeste Polyester | Ontario | CA | — | ◇ UNVERIFIED |
| NBNetzero Biofuels | Rock Tavern | NY | — | ◇ UNVERIFIED |
| NPNeutron Prods INC | Dickerson | MD | — | ◇ UNVERIFIED |
| NLNeuwax LLC | Cowpens | SC | — | ◇ UNVERIFIED |
