| MEManville Energy Park | Manvel | TX | — | ◇ UNVERIFIED |
| MAMarathon Anacortes Refinery | Anacortes | WA | — | ◇ UNVERIFIED |
| MCMarathon - Catlettsburg Refinery | Catlettsburg | KY | — | ◇ UNVERIFIED |
| MLMarathon Louisville Algonquin Refining Terminal | Louisville | KY | — | ◇ UNVERIFIED |
| MPMarathon Petroleum CO LP | Detroit | MI | — | ◇ UNVERIFIED |
| MPMarathon Petroleum CO LP - Louisiana Refining Division - Garyville Refinery | Garyville | LA | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company LP - Canton Refinery (1576002006) | Canton | OH | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Corporation | Dickinson | ND | — | ◇ UNVERIFIED |
| MPMarathon Petroleum – Salt Lake City Refinery | Salt Lake City | UT | — | ◇ UNVERIFIED |
| MSMarathon St. Paul Park Refinery | Saint Paul Park | MN | — | ◇ UNVERIFIED |
| MAM. Argueso & Co., INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| MAM. Argueso & CO INC - Dba Paramelt | Norton Shores | MI | — | ◇ UNVERIFIED |
| MEMarquis Energy - Hennepin | Hennepin | IL | — | ◇ UNVERIFIED |
| MEMarquis Energy-wisconsin LLC | Necedah | WI | — | ◇ UNVERIFIED |
| M3Mc (us) 3 LLC | Dunbar | WV | — | ◇ UNVERIFIED |
| MOMeglobal Oyster Creek | Freeport | TX | — | ◇ UNVERIFIED |
| MRMeraux Refinery | Meraux | LA | — | ◇ UNVERIFIED |
| MCMerichem Chemicals and Refinery Services | Tuscaloosa | AL | — | ◇ UNVERIFIED |
 Mfg Chemical, INC. - Callahan Plant | Dalton | GA | — | ◇ UNVERIFIED |
| Mfg Chemical Incorporated | Dalton | GA | — | ◇ UNVERIFIED |
| MAMidland Asphalt Materials - Lyons Terminal | Lyons | NY | — | ◇ UNVERIFIED |
| MIMilacron INC Consumable Prods Div | Cincinnati | OH | — | ◇ UNVERIFIED |
| MEMissouri Ethanol, LLC | Laddonia | MO | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals Inc.- Baytown Tx | Baytown | TX | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC - Formaldehyde Plant | Geismar | LA | — | ◇ UNVERIFIED |
| MBMont Belvieu South Rail Terminal | Baytown | TX | — | ◇ UNVERIFIED |
| MSMontour Steam Electric Station | Washingtonville | PA | — | ◇ UNVERIFIED |
| MCMorflex Chemical CO INC | Greensboro | NC | — | ◇ UNVERIFIED |
| MIMorgan INC | Enterprise | AL | — | ◇ UNVERIFIED |
| MHMount Holly West Plant | Mount Holly | NC | — | ◇ UNVERIFIED |
| MBMsu Bioeconomy Institute | Holland | MI | — | ◇ UNVERIFIED |
| NCNalco CO - Evansville Plant 108 | Evansville | WY | — | ◇ UNVERIFIED |
| NCNalco CO LLC | Carson | CA | — | ◇ UNVERIFIED |
| NCNalco CO Plant 106 | Sugar Land | TX | — | ◇ UNVERIFIED |
| NENalco Exxon Energy Chemical Scott Blend Plant | Scott | LA | — | ◇ UNVERIFIED |
| NRNavajo Refining Company, LLC - Lovington Refinery | Lovington | NM | — | ◇ UNVERIFIED |
| NDNext Diesel | Adrian | MI | — | ◇ UNVERIFIED |
| NCNissan Chemical America Pasadena Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| NINorac INC | Helena | AR | — | ◇ UNVERIFIED |
| NMNorco Manufacturing Complex & Associated Facilities | Norco | LA | — | ◇ UNVERIFIED |
| NANorit Activated Carbon | Pryor | OK | — | ◇ UNVERIFIED |
| NRNorth Regional Treatment Plant | Beaumont | TX | — | ◇ UNVERIFIED |
| NSNorth Storage Facility | Mont Belvieu | TX | — | ◇ UNVERIFIED |
| NRNova Recovery Oz Holdings, LLC | Sumter | SC | — | ◇ UNVERIFIED |
| NLNovastar LP | Midland | TX | — | ◇ UNVERIFIED |
| NNNovo Nordisk Biochem North America, INC. | Franklinton | NC | — | ◇ UNVERIFIED |
| NSNucor Steel Gallatin | Warsaw | KY | — | ◇ UNVERIFIED |
| NSNucor Steel Texas | Jewett | TX | — | ◇ UNVERIFIED |
| NYNucor Yamato Steel CO | Armorel | AR | — | ◇ UNVERIFIED |
| NBNutrition & Biosciences USA 1 LLC - Plaquemine Methocel | Plaquemine | LA | — | ◇ UNVERIFIED |
