| MIMacCARB, Inc. | Elgin | IL | — | ◇ UNVERIFIED |
| MIMacCARB, Inc. | Gilberts | IL | — | ◇ UNVERIFIED |
| MCMacdermid Closed | Waterbury | CT | — | ◇ UNVERIFIED |
| MEMacdermid Enthone INC | Orange | CT | — | ◇ UNVERIFIED |
| MGMacdermid Graphic Arts | Adams | MA | — | ◇ UNVERIFIED |
| MIMacdermid INC | Pasadena | TX | — | ◇ UNVERIFIED |
| MSMacdermid Specialty Chemical Services | Waterbury | CT | — | ◇ UNVERIFIED |
| MPMace Polymers and Coating CO | Dudley | MA | — | ◇ UNVERIFIED |
| MIMacherey-nagle, INC. | Bethlehem | PA | — | ◇ UNVERIFIED |
| MTMackenzie Transition LLC - Mackenzie Company | Bush | LA | — | ◇ UNVERIFIED |
| MMacrocyclics | Plano | TX | — | ◇ UNVERIFIED |
| MOMacro Oceans INC | West Sacramento | CA | — | ◇ UNVERIFIED |
| MAMagnablend Alice Plant | Alice | TX | — | ◇ UNVERIFIED |
| MHMagnablend Howard Plant | Waxahachie | TX | — | ◇ UNVERIFIED |
| MMagnaflux | De Witt | IA | — | ◇ UNVERIFIED |
| MIMagnetics International Release | Burns Harbor | IN | — | ◇ UNVERIFIED |
| MAMagnum Abrasives INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| MCMagnum Carbon Solutions, LLC | Rochester Hills | MI | — | ◇ UNVERIFIED |
| MMMagnum Minerals LLC | Hereford | TX | — | ◇ UNVERIFIED |
| MCMainship CORP | Midway | GA | — | ◇ UNVERIFIED |
| MTMain Tech Industrial Services | Reserve | LA | — | ◇ UNVERIFIED |
| MCMakana Corporation | Tampa | FL | — | ◇ UNVERIFIED |
| MMMalbert & Mitchell Grinding Services INC | La Habra | CA | — | ◇ UNVERIFIED |
| MBMarathon Bio-diesel | Marathon | FL | — | ◇ UNVERIFIED |
| MLMaravai Lifesciences | San Diego | CA | — | ◇ UNVERIFIED |
| MNMarco Npk INC | Clinton | IL | — | ◇ UNVERIFIED |
| MCMark C. Mehrali Dds, a Professional CORP | Camarillo | CA | — | ◇ UNVERIFIED |
| MLMarkwest Langley Processing Plant | Langley | KY | — | ◇ UNVERIFIED |
| MCMarson Corporation | Chelsea | MA | — | ◇ UNVERIFIED |
| MLMartin Lumber 18 #1 & Swd | Union Hill | LA | — | ◇ UNVERIFIED |
| MSMarubeni Specialty Chemical INC | Burlingame | CA | — | ◇ UNVERIFIED |
| MBMaster Builder Solutions | Ashland | VA | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Admixtures US LLC | Longwood | FL | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Admixtures US LLC | Kent | WA | — | ◇ UNVERIFIED |
| MAMasterpice Artist Canvas | San Francisco | CA | — | ◇ UNVERIFIED |
| MWMaster Wash | Commerce City | CO | — | ◇ UNVERIFIED |
| MIMateria, INC. | Pasadena | CA | — | ◇ UNVERIFIED |
| MRMazhar Rizvi | Torrance | CA | — | ◇ UNVERIFIED |
| MBMbi (molecular Biologicals International) | Irvine | CA | — | ◇ UNVERIFIED |
| MIMca, INC. Ses C/o Hhe, INC. | Carson | CA | — | ◇ UNVERIFIED |
| MIMc Ionic Solutions Us, INC | Memphis | TN | — | ◇ UNVERIFIED |
| MRMckees Rocks Transfer Station | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| MCMD Chemicals LLC | Mendon | MA | — | ◇ UNVERIFIED |
| MMdp | Richmond | VA | — | ◇ UNVERIFIED |
| MAMedallion Adir | Paterson | NJ | — | ◇ UNVERIFIED |
| MUMedicilon USA CORP | Woburn | MA | — | ◇ UNVERIFIED |
| MOMediprint Ophthalmics | San Diego | CA | — | ◇ UNVERIFIED |
| MSMedpak Solutions LLC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| MMMeeco Manufacturing Company, Inc. | Seattle | WA | — | ◇ UNVERIFIED |
| MEMenlo Energy Florida, LLC | Dade City | FL | — | ◇ UNVERIFIED |
 Merit Medical Systems, INC | San Jose | CA | — | ◇ UNVERIFIED |
| MAMesquite Air Tanker Base | Mesquite | NV | — | ◇ UNVERIFIED |
| MFMetal Finishing Research CORP | Chicago | IL | — | ◇ UNVERIFIED |
| MPMetals Processing, INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| MCMetokote Corporation | Sanford | NC | — | ◇ UNVERIFIED |
| MAMexichem America INC | Tennent | NJ | — | ◇ UNVERIFIED |
 Mfg Chemical INC. | Dalton | GA | — | ◇ UNVERIFIED |
| MCMhba Chocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
| MLMH Lanz Capital, LLC | Zion | IL | — | ◇ UNVERIFIED |
| MSMichigan State University - Bioeconomy Institute | Holland | MI | — | ◇ UNVERIFIED |
| MDMicrobial Discovery Group | Franklin | WI | — | ◇ UNVERIFIED |
| MTMicro Tracers INC | Commerce | CA | — | ◇ UNVERIFIED |
| MDMid-atlantic Detailing Products LLC | Richmond | VA | — | ◇ UNVERIFIED |
| MCMid Con Systems, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| MFMidland Facility | Midland | TX | — | ◇ UNVERIFIED |
| MAMidwest Agra Bio Diesel | Mclean | IL | — | ◇ UNVERIFIED |
| MBMidwest Biodiesel Products | South Roxana | IL | — | ◇ UNVERIFIED |
| MBMidwest Biofuels INC | Pekin | IL | — | ◇ UNVERIFIED |
| MSMiirant Station H | Dickerson | MD | — | ◇ UNVERIFIED |
| MEMikeone Ek Maitland Summit, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| MCMikuni Color USA INC. | West Sacramento | CA | — | ◇ UNVERIFIED |
| MKMikuni Kansas (stormwater) | Olathe | KS | — | ◇ UNVERIFIED |
| MCMiles City Seat Base | Miles City | MT | — | ◇ UNVERIFIED |
| MLM-i L L C Zavalla | Zavalla | TX | — | ◇ UNVERIFIED |
| MPMilliporesigma - Port Washington | Port Washington | WI | — | ◇ UNVERIFIED |
| MIMinutia INC Bakar Labs | Berkeley | CA | — | ◇ UNVERIFIED |
| MPMirandy Products LLC | South Hempstead | NY | — | ◇ UNVERIFIED |
| MFMisbehaven Fireworks CORP. | Catskill | NY | — | ◇ UNVERIFIED |
| MEMissouri Electrochem Incorporated | Saint Louis | MO | — | ◇ UNVERIFIED |
| MSM-i Swaco | Shafter | CA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical America, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical America, INC. Electrolyte Division | Memphis | TN | — | ◇ UNVERIFIED |
| MMitwellness | Blue Springs | MO | — | ◇ UNVERIFIED |
| MMMix Manufacturing INC Dba Prism Corporation | Saint Paul | MN | — | ◇ UNVERIFIED |
| MSMmp Sco LLC | Taft | LA | — | ◇ UNVERIFIED |
| MIMoasis, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| MMMobile Mini | Gardena | CA | — | ◇ UNVERIFIED |
| MOMobil Oil Plano | Plano | TX | — | ◇ UNVERIFIED |
| MWModern Waste Solutions, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| MFMohawk Finishing Products Site Former-rpm | Amsterdam | NY | — | ◇ UNVERIFIED |
| MGMolecular Glasses inc. | Rochester | NY | — | ◇ UNVERIFIED |
 Molecular Matrix INC | West Sacramento | CA | — | ◇ UNVERIFIED |
 Molecular Products, INC | Boulder | CO | — | ◇ UNVERIFIED |
| MIMoleculax INC | Pasadena | CA | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials | Waterford | NY | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC | Demopolis | AL | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | Brady | TX | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | Riegelwood | NC | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC - Moreau Facility | South Glens Falls | NY | — | ◇ UNVERIFIED |
| MCMonsanto Chemical Company | Long Beach | CA | — | ◇ UNVERIFIED |
