| MEMarathon El Paso Refinery | El Paso | TX | — | ◇ UNVERIFIED |
| MOMarathon Oil CO | Eastpointe | MI | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company LP | Kuttawa | KY | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company LP | Saint Elmo | IL | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company LP | Robinson | IL | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company, LP | Texas City | TX | — | ◇ UNVERIFIED |
| MPMarathon Petroleum CORP Garyville | Garyville | LA | — | ◇ UNVERIFIED |
| MPMarathon Petroleum - Neal Propane Cavern | Kenova | WV | — | ◇ UNVERIFIED |
| MRMarathon Refinery | Mandan | ND | — | ◇ UNVERIFIED |
| MCMark C. Mehrali Dds, a Professional CORP | Camarillo | CA | — | ◇ UNVERIFIED |
| MLMarkwest Langley Processing Plant | Langley | KY | — | ◇ UNVERIFIED |
| MMMarkwest Michigan Pipeline CO LLC | Johannesburg | MI | — | ◇ UNVERIFIED |
| MUMarkwest Utica Emg, LLC | Cadiz | OH | — | ◇ UNVERIFIED |
| MRMartinez Refining Company LLC (previously Shell Oil Products Us, Martinez Ref.) | Martinez | CA | — | ◇ UNVERIFIED |
| MSMarubeni Specialty Chemical INC | Burlingame | CA | — | ◇ UNVERIFIED |
| MEMarysville Ethanol LLC | Warren | MI | — | ◇ UNVERIFIED |
| MHMarysville Hydrocarbons | Marysville | MI | — | ◇ UNVERIFIED |
| MIMateria, INC. | Pasadena | CA | — | ◇ UNVERIFIED |
| MOMatrix Oil Corporation - Rideout Heights | Whittier | CA | — | ◇ UNVERIFIED |
| MPMattiace Petrochemical Co., INC. | Glen Cove | NY | — | ◇ UNVERIFIED |
| MPMaui Petroleum, INC. | Kahului | HI | — | ◇ UNVERIFIED |
| MBMaverick Biofuels, INC. - M2 Facility | Denver | CO | — | ◇ UNVERIFIED |
| MRMazhar Rizvi | Torrance | CA | — | ◇ UNVERIFIED |
| MBMbi (molecular Biologicals International) | Irvine | CA | — | ◇ UNVERIFIED |
| MMbioteq | Long Beach | CA | — | ◇ UNVERIFIED |
| MNMbt Nevada LLC | Henderson | NV | — | ◇ UNVERIFIED |
| MIMca, INC. Ses C/o Hhe, INC. | Carson | CA | — | ◇ UNVERIFIED |
| MRMcgregor Rd | Coahoma | TX | — | ◇ UNVERIFIED |
| M1Mckittrick 17z Gas Plant | Mckittrick | CA | — | ◇ UNVERIFIED |
| MAMcpherson Agricultural Products LLC | Mcpherson | KS | — | ◇ UNVERIFIED |
| MAMedallion Adir | Paterson | NJ | — | ◇ UNVERIFIED |
| MUMedicilon USA CORP | Woburn | MA | — | ◇ UNVERIFIED |
| MEMenlo Energy Florida, LLC | Dade City | FL | — | ◇ UNVERIFIED |
| MOMerchants Oil - Merchants Oil - | Denver | CO | — | ◇ UNVERIFIED |
| MOMesa Oil INC | Golden | CO | — | ◇ UNVERIFIED |
 Mfg Chemical INC. | Dalton | GA | — | ◇ UNVERIFIED |
| MCMhba Chocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
| MSMichigan State University - Bioeconomy Institute | Holland | MI | — | ◇ UNVERIFIED |
| MLMicrotest Laboratories INC | Fair Oaks | CA | — | ◇ UNVERIFIED |
| MTMicro Tracers INC | Commerce | CA | — | ◇ UNVERIFIED |
| MAMid America Agriproducts-haxtun | Haxtun Area | CO | — | ◇ UNVERIFIED |
| MDMid-atlantic Detailing Products LLC | Richmond | VA | — | ◇ UNVERIFIED |
| MCMid Con Systems, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| MCMid Continent Coal & Coke | Milton | KY | — | ◇ UNVERIFIED |
| MCMid Continent Coal & Coke | East Chicago | IN | — | ◇ UNVERIFIED |
| MCMid-continent Coal & Coke | East Chicago | IN | — | ◇ UNVERIFIED |
| MCMid Continent Coal & Coke Company | East Chicago | IN | — | ◇ UNVERIFIED |
| MDMi Dept/transportation-g Howe Int'l Bridge | Detroit | MI | — | ◇ UNVERIFIED |
| MEMidland Estates LLC | Crockett | TX | — | ◇ UNVERIFIED |
| MAMidwest Agri-energy LLC | Salem | IL | — | ◇ UNVERIFIED |
| MBMidwest Biodiesel Products | South Roxana | IL | — | ◇ UNVERIFIED |
| MKMikuni Kansas (stormwater) | Olathe | KS | — | ◇ UNVERIFIED |
| MFMillennium Fuels Ii | Albany | KY | — | ◇ UNVERIFIED |
| MPMilliporesigma - Port Washington | Port Washington | WI | — | ◇ UNVERIFIED |
| MPMilne Point Unit | Prudhoe Bay | AK | — | ◇ UNVERIFIED |
| MLMinnergy LLC | Eyota | MN | — | ◇ UNVERIFIED |
| MEMississippi Ethanol LLC | Winona | MS | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical America, INC. Electrolyte Division | Memphis | TN | — | ◇ UNVERIFIED |
| MSMittal Steel USA Weirton INC | Weirton | WV | — | ◇ UNVERIFIED |
| MCMKAW Consulting, LLC | Columbus | OH | — | ◇ UNVERIFIED |
| MIMl&l INC D/b/a Necessary Oil Company | Bristol | TN | — | ◇ UNVERIFIED |
| MEMmi Etoh INC | Golden | CO | — | ◇ 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 |
| MAMontana Advanced Biofuels LLC | Great Falls | MT | — | ◇ UNVERIFIED |
| MEMontana Ethanol Project | Great Falls | MT | — | ◇ UNVERIFIED |
| MRMontco Research Prods INC | Hollister | FL | — | ◇ UNVERIFIED |
| MRMontco Research Products, INC. | Hollister | FL | — | ◇ UNVERIFIED |
| MEMor Energy LLC | Pulaski | IL | — | ◇ 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 |
| MIMorton International Incorporated | Taylors | SC | — | ◇ UNVERIFIED |
| MTMother's Therapy Organics LLC | Castle Rock | CO | — | ◇ UNVERIFIED |
| MEMotiva Enterprises LLC | Convent | LA | — | ◇ UNVERIFIED |
| MCMountainside Coal CO INC - Coal Briquetting Plant | Barbourville | KY | — | ◇ UNVERIFIED |
| MTMplx Terminal and Storage Llc, Neal | Neal | WV | — | ◇ UNVERIFIED |
| MSMpm Silicones, LLC | Friendly | WV | — | ◇ UNVERIFIED |
| MHMrc Holdings | Alton | IL | — | ◇ UNVERIFIED |
| MIMro INC | Cottondale | FL | — | ◇ UNVERIFIED |
| MPMt Poso Tank Farm | Oildale | CA | — | ◇ UNVERIFIED |
| MIM&u International LLC | Branchburg | NJ | — | ◇ UNVERIFIED |
| MTMultiple Tank Hydrostatic Testing Project | Smackover | AR | — | ◇ UNVERIFIED |
| MMMundy Maintenance and Services, LLC | Portsmouth | VA | — | ◇ UNVERIFIED |
| MSMuscle Shoals Mini Storage | Muscle Shoals | AL | — | ◇ UNVERIFIED |
| MCMwc Commercial | San Clemente | CA | — | ◇ 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 |
| NGNational Grid - K-nassau Works Mgp | Brooklyn | NY | — | ◇ UNVERIFIED |
| NPNational Peening Incorporated | Salem | VA | — | ◇ UNVERIFIED |
| NPNational Petroleum Transporters INC | Riverhead | NY | — | ◇ UNVERIFIED |
| NTNational Trail Biodiesel Group LLC | Newton | IL | — | ◇ UNVERIFIED |
| NFNature's Fuel | Atwood | IN | — | ◇ UNVERIFIED |
