| 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 |
 Maola Milk and Ice Cream | New Bern | NC | — | ◇ UNVERIFIED |
| MLMaravai Lifesciences | San Diego | CA | — | ◇ UNVERIFIED |
| MNMarco Npk INC | Clinton | IL | — | ◇ UNVERIFIED |
| MCMarson Corporation | Chelsea | MA | — | ◇ UNVERIFIED |
| MLMartin Lumber 18 #1 & Swd | Union Hill | LA | — | ◇ 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 |
| MAMc Arthur Dairy LLC | Miami | FL | — | ◇ 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 |
| MGMeadow Gold Dairy | Boise | ID | — | ◇ UNVERIFIED |
| MDMeadowgold Dairy | Denver | CO | — | ◇ UNVERIFIED |
| MOMediprint Ophthalmics | San Diego | CA | — | ◇ UNVERIFIED |
| MSMedpak Solutions LLC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| MMMeeco Manufacturing Company, Inc. | Seattle | WA | — | ◇ 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 |
| MLMH Lanz Capital, LLC | Zion | IL | — | ◇ UNVERIFIED |
| MFMiami Foods Distributors of USA, Inc. | Doral | FL | — | ◇ UNVERIFIED |
| MFMiami Foods Distributors of Usa, INC. | Hialeah | FL | — | ◇ UNVERIFIED |
| MDMicrobial Discovery Group | Franklin | WI | — | ◇ UNVERIFIED |
| MPMicro Powders & Braig INC | Benicia | CA | — | ◇ UNVERIFIED |
| MFMidland Facility | Midland | TX | — | ◇ UNVERIFIED |
| MAMidwest Agra Bio Diesel | Mclean | 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 |
| MCMiles City Seat Base | Miles City | MT | — | ◇ UNVERIFIED |
| MIMilk Industry Management Corporation | Allentown | PA | — | ◇ UNVERIFIED |
| MPMilk Products LP | Conroe | TX | — | ◇ UNVERIFIED |
| MLM-i L L C Zavalla | Zavalla | TX | — | ◇ 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 |
| 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 |
| MDModel Dairy | Reno | NV | — | ◇ UNVERIFIED |
| MWModern Waste Solutions, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| MFMohawk Finishing Products Site Former-rpm | Amsterdam | NY | — | ◇ UNVERIFIED |
| MGMolecular Glasses inc. | Rochester | NY | — | ◇ UNVERIFIED |
 Molecular Products, INC | Boulder | CO | — | ◇ UNVERIFIED |
| MIMoleculax INC | Pasadena | CA | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | Brady | TX | — | ◇ UNVERIFIED |
| MCMonsanto Chemical Company | Long Beach | CA | — | ◇ UNVERIFIED |
| MCMonson Chemical Distribution | Leominster | MA | — | ◇ UNVERIFIED |
| MBMoon Blue LLC | San Diego | CA | — | ◇ UNVERIFIED |
| MFMorningstar Foods LLC | Frederick | MD | — | ◇ UNVERIFIED |
| MPMortex Products, INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| MDMorwet Detergent Plant | Fort Worth | TX | — | ◇ UNVERIFIED |
| MCMoss Copy Center | Denver | CO | — | ◇ UNVERIFIED |
| MFMountainside Farms, a Div. of Worcester Creameries, CORP. | Roxbury | NY | — | ◇ UNVERIFIED |
| MSMpower Specialty Chemicals | Brookshire | TX | — | ◇ UNVERIFIED |
| MSM & S Recycling, LLC | Bethlehem | PA | — | ◇ UNVERIFIED |
| MIMti Insulated Products, INC. | Fort Wayne | IN | — | ◇ UNVERIFIED |
| MQMuller Quaker Dairy LLC | Batavia | NY | — | ◇ UNVERIFIED |
| MGMulti-chem Gc LLC - New Iberia Chemical Distribution Facility | New Iberia | LA | — | ◇ UNVERIFIED |
| MGMulti-chem Group LLC - Geismar Facility | Geismar | LA | — | ◇ UNVERIFIED |
| MGMulti-chem Group, LLC Rock Springs Facility | Rock Springs | WY | — | ◇ UNVERIFIED |
| MRMultichem Rifle Facility | Rifle | CO | — | ◇ UNVERIFIED |
| MFMultisorb Filtration Group, French Road Facility | Buffalo | NY | — | ◇ UNVERIFIED |
| NCNabr Carbondale LLC | Carbondale | IL | — | ◇ UNVERIFIED |
| NNalco | San Bernardino | CA | — | ◇ UNVERIFIED |
| NANalco an Ecolab Company | Bryan | TX | — | ◇ UNVERIFIED |
| NCNalco Company | Lathrop | CA | — | ◇ UNVERIFIED |
| NCNalco Company | Maiden | NC | — | ◇ UNVERIFIED |
 Nalco Company, Energy Services Division | Evansville | WY | — | ◇ UNVERIFIED |
| NCNalco CO Tulsa Plant 102 | Tulsa | OK | — | ◇ UNVERIFIED |
| NENalco Energy Services LP | Gillette | WY | — | ◇ UNVERIFIED |
| Nalco Production Texarkana | Texarkana | TX | — | ◇ UNVERIFIED |
| NSNanochem Solutions INC | Peru | IL | — | ◇ UNVERIFIED |
| NCNanogram Corporation | Milpitas | CA | — | ◇ UNVERIFIED |
| NDNanogram Devices Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| NNanoh20 | El Segundo | CA | — | ◇ UNVERIFIED |
| NTNanointegris Technologies INC | Menlo Park | CA | — | ◇ UNVERIFIED |
| NINanosyn INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| NNanosys | Milpitas | CA | — | ◇ UNVERIFIED |
