| MTMackenzie Transition LLC - Mackenzie Company | Bush | LA | — | ◇ UNVERIFIED |
| MMacrocyclics | Plano | TX | — | ◇ UNVERIFIED |
| MMagnaflux | De Witt | IA | — | ◇ UNVERIFIED |
| MBMarathon Bio-diesel | Marathon | FL | — | ◇ UNVERIFIED |
| MPMarathon Petroleum | Detroit | MI | — | ◇ UNVERIFIED |
| MCMark C. Mehrali Dds, a Professional CORP | Camarillo | CA | — | ◇ UNVERIFIED |
| MLMarkwest Langley Processing Plant | Langley | KY | — | ◇ UNVERIFIED |
| MSMarubeni Specialty Chemical INC | Burlingame | CA | — | ◇ UNVERIFIED |
| MIMateria, INC. | Pasadena | CA | — | ◇ UNVERIFIED |
| MIMateria INC. (wsi/mls Warehouse) | Carson | CA | — | ◇ UNVERIFIED |
| MRMazhar Rizvi | Torrance | CA | — | ◇ UNVERIFIED |
| MBMbi (molecular Biologicals International) | Irvine | CA | — | ◇ UNVERIFIED |
| MIMca, INC. Ses C/o Hhe, INC. | Carson | CA | — | ◇ UNVERIFIED |
| MAMedallion Adir | Paterson | NJ | — | ◇ UNVERIFIED |
| MUMedicilon USA CORP | Woburn | MA | — | ◇ UNVERIFIED |
| MEMenlo Energy Florida, LLC | Dade City | FL | — | ◇ UNVERIFIED |
 Mfg Chemical INC. | Dalton | GA | — | ◇ UNVERIFIED |
| MCMhba Chocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
| MSMichigan State University - Bioeconomy Institute | Holland | MI | — | ◇ UNVERIFIED |
| MTMicro Tracers INC | Commerce | CA | — | ◇ UNVERIFIED |
| MDMid-atlantic Detailing Products LLC | Richmond | VA | — | ◇ UNVERIFIED |
| MCMid Con Systems, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| MBMidwest Biodiesel Products | South Roxana | IL | — | ◇ UNVERIFIED |
| MKMikuni Kansas (stormwater) | Olathe | KS | — | ◇ UNVERIFIED |
| MPMilliporesigma - Port Washington | Port Washington | WI | — | ◇ UNVERIFIED |
| MHMissouri Hardwood Charcoal - Reynolds | Reynolds | MO | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical America, INC. Electrolyte Division | Memphis | TN | — | ◇ UNVERIFIED |
 Molecular Matrix INC | West Sacramento | CA | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials | Waterford | NY | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC | Demopolis | AL | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | Riegelwood | NC | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC - Moreau Facility | South Glens Falls | NY | — | ◇ UNVERIFIED |
| MRMontco Research Products, INC. | Hollister | FL | — | ◇ UNVERIFIED |
| MTMore Things Galore | Sun Valley | CA | — | ◇ UNVERIFIED |
| MCMorgan County Renewable Fuels, LLC | Log Lane Village, 3.5 Mi Sw of | CO | — | ◇ UNVERIFIED |
| MIMor-mike Industries | Bridgewater | MI | — | ◇ UNVERIFIED |
| MIMorton International Inc, Dba Rohm and Haas Electronic Materials LLC | Moss Point | MS | — | ◇ UNVERIFIED |
| MTMother's Therapy Organics LLC | Castle Rock | CO | — | ◇ UNVERIFIED |
| MSMpm Silicones, LLC | Friendly | WV | — | ◇ UNVERIFIED |
| MIM&u International LLC | Branchburg | NJ | — | ◇ UNVERIFIED |
| MMMundy Maintenance and Services, LLC | Portsmouth | VA | — | ◇ UNVERIFIED |
| MSMuscle Shoals Mini Storage | Muscle Shoals | AL | — | ◇ UNVERIFIED |
| MSMyriant Succinic Acid Biorefinery | Lake Providence | LA | — | ◇ UNVERIFIED |
| MLMyst Labs | San Jose | CA | — | ◇ UNVERIFIED |
| NCNalco Champion-carson Plant 0111 | Long Beach | CA | — | ◇ UNVERIFIED |
| NCNalco Company | San Diego | CA | — | ◇ UNVERIFIED |
| NKNalco Kilgore Facility | Kilgore | TX | — | ◇ UNVERIFIED |
| NINataur INC. | Baltimore | MD | — | ◇ UNVERIFIED |
| NPNational Peening Incorporated | Salem | VA | — | ◇ UNVERIFIED |
| NTNational Trail Biodiesel Group LLC | Newton | IL | — | ◇ UNVERIFIED |
