| MMMalbert & Mitchell Grinding Services INC | La Habra | CA | — | ◇ UNVERIFIED |
| MPMalcolm Putty | Mcallen | TX | — | ◇ UNVERIFIED |
| MFMalone Family Enterprises LLC | Independence | MO | — | ◇ UNVERIFIED |
| MPManner Polymers INC | Mount Vernon | IL | — | ◇ UNVERIFIED |
| MTManns Towing/pottstown | Pottstown | PA | — | ◇ UNVERIFIED |
| MLManstone LLC - 105 Talamine Ct | Colorado Springs | CO | — | ◇ UNVERIFIED |
| MAManuel's Auto Body | Vallejo | CA | — | ◇ UNVERIFIED |
| MTMapei Tempe | Tempe | AZ | — | ◇ UNVERIFIED |
| MPMarathon Petroleum | Detroit | MI | — | ◇ UNVERIFIED |
| MLMaravai Lifesciences | San Diego | CA | — | ◇ UNVERIFIED |
| MDMarble Designs of Texas | San Antonio | TX | — | ◇ UNVERIFIED |
| MMMarble Makers INC | Duarte | CA | — | ◇ UNVERIFIED |
| MMMarble Masters of Texas INC | Seguin | TX | — | ◇ UNVERIFIED |
| MQMarble Quarry INC | Mandeville | LA | — | ◇ UNVERIFIED |
| MPMarchem Pacific INC | Orange | CA | — | ◇ UNVERIFIED |
| MPMarchem Polyurethane Systems | Maryland Heights | MO | — | ◇ UNVERIFIED |
| MNMarco Npk INC | Clinton | IL | — | ◇ UNVERIFIED |
| MPMarcus Paint Company | Nashville | TN | — | ◇ UNVERIFIED |
| MIMarine Industrial Paint Company, INC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| MGMarshall Gruber Systems, INC. | Mansfield | TX | — | ◇ UNVERIFIED |
| MCMarson Corporation | Chelsea | MA | — | ◇ UNVERIFIED |
| MAMartin and Company | Zebulon | GA | — | ◇ UNVERIFIED |
| MLMartin Lumber 18 #1 & Swd | Union Hill | LA | — | ◇ UNVERIFIED |
| MBMaster Builder Solutions | Ashland | VA | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Admixtures US LLC | Kent | WA | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Admixtures US LLC | Longwood | FL | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Construction Systems US | Newark | CA | — | ◇ UNVERIFIED |
| MCMaster Coating Technologies LLC | Saint Paul | MN | — | ◇ UNVERIFIED |
| MMMaster Made Paints Incorporated | Carl Junction | MO | — | ◇ UNVERIFIED |
| MPMaster Paint & Chemical INC | Guayanilla | PR | — | ◇ UNVERIFIED |
| MPMaster Paint Indl Coatings INC | Newton | KS | — | ◇ UNVERIFIED |
| MAMasterpice Artist Canvas | San Francisco | CA | — | ◇ UNVERIFIED |
| MRMaster Recycling, INC. | Dade City | FL | — | ◇ UNVERIFIED |
| MWMaster Wash | Commerce City | CO | — | ◇ UNVERIFIED |
| MIMateria INC. (wsi/mls Warehouse) | Carson | CA | — | ◇ UNVERIFIED |
| MMMathews Marble Mfg. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| MPMatthews Paint CO | Pleasant Prairie | WI | — | ◇ UNVERIFIED |
| MIMauranda INC Ross Painting | San Rafael | CA | — | ◇ UNVERIFIED |
| MBMb Body Shop | Delano | CA | — | ◇ UNVERIFIED |
| MJMb Jessee Painting, INC | San Leandro | CA | — | ◇ UNVERIFIED |
| MIMcalpin Industries INC | Macedon | NY | — | ◇ UNVERIFIED |
| MCMcbride Chem | Los Angeles | CA | — | ◇ UNVERIFIED |
| MPMccormick Paint Works Company | Rockville | MD | — | ◇ UNVERIFIED |
| MCMc Crystal Coatings LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| MIMc Ionic Solutions Us, INC | Memphis | TN | — | ◇ UNVERIFIED |
| MVMckechnie Vehicle Components | Newberry | SC | — | ◇ UNVERIFIED |
| MRMckees Rocks Transfer Station | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| MPMcm Paints | Clewiston | FL | — | ◇ UNVERIFIED |
| MCMcneilus Composites Facility | Dexter | MN | — | ◇ UNVERIFIED |
| MCMD Chemicals LLC | Mendon | MA | — | ◇ UNVERIFIED |
| MMdp | Richmond | VA | — | ◇ UNVERIFIED |
| MOMediprint Ophthalmics | San Diego | CA | — | ◇ UNVERIFIED |
| MSMedpak Solutions LLC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| MMMeeco Manufacturing Company, Inc. | Seattle | WA | — | ◇ UNVERIFIED |
| MFMendoza Finishing | Scotts Valley | CA | — | ◇ UNVERIFIED |
 Merit Medical Systems, INC | San Jose | CA | — | ◇ UNVERIFIED |
| MIMesa Industries | Fort Smith | AR | — | ◇ 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 |
| MGMeza Group Managemet INC Dba Meza Automotive Paint | Temecula | CA | — | ◇ UNVERIFIED |
| MAMg Auto Body Shop | Gardena | CA | — | ◇ UNVERIFIED |
| MLMH Lanz Capital, LLC | Zion | IL | — | ◇ UNVERIFIED |
| MPMicalline Products INC | Columbia | SC | — | ◇ UNVERIFIED |
| MCMichael Cano | Sacramento | CA | — | ◇ UNVERIFIED |
| MKMichael Krieger | Torrance | CA | — | ◇ UNVERIFIED |
 Michelman, INC. | Fresno | CA | — | ◇ UNVERIFIED |
| MCMichels Corporation | Brownsville | WI | — | ◇ UNVERIFIED |
| MCMichigan Coating Products INC | Wyoming | MI | — | ◇ UNVERIFIED |
| MIMichigan Industrial Finishes | Hamtramck | MI | — | ◇ UNVERIFIED |
| MIMichigan Industrial Finishes CORP | Farmington Hills | MI | — | ◇ UNVERIFIED |
| MDMicrobial Discovery Group | Franklin | WI | — | ◇ UNVERIFIED |
| MCMid-america Car & Locomotive | Kansas City | MO | — | ◇ UNVERIFIED |
| MAMid America Protective Coatings INC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MFMidland Facility | Midland | TX | — | ◇ UNVERIFIED |
| MPMid-states Paint & Chem CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| MAMidwest Agra Bio Diesel | Mclean | IL | — | ◇ UNVERIFIED |
| MBMidwest Biofuels INC | Pekin | IL | — | ◇ UNVERIFIED |
| MIMidwest Industrial Coatings INC | Grand Island | NE | — | ◇ 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 |
| MFMiles Fiberglass and Composites | Oregon City | OR | — | ◇ UNVERIFIED |
| MFMiles Fiberglass and Plastics Site | Portland | OR | — | ◇ UNVERIFIED |
| MLM-i L L C Zavalla | Zavalla | TX | — | ◇ UNVERIFIED |
| MPMiller Paint CO INC | Portland | OR | — | ◇ UNVERIFIED |
| MWMiller Waste Mills | Crockett | TX | — | ◇ UNVERIFIED |
| MWMiller Waste Mills Dba Rtp CO | Portage | WI | — | ◇ UNVERIFIED |
| MWMiller Waste Mills INC Dba Rtp Company | Winona | MN | — | ◇ UNVERIFIED |
| MCMilliken Chemical Keystone Plant- Milli | Inman | SC | — | ◇ UNVERIFIED |
| MMMilspray Military Technologies | Lakewood | NJ | — | ◇ UNVERIFIED |
| MUMimaki USA | Auburndale | MA | — | ◇ UNVERIFIED |
| MWMineral Wells Plant | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MUMinova USA INC | Bluefield | WV | — | ◇ UNVERIFIED |
| MIMinutia INC Bakar Labs | Berkeley | CA | — | ◇ UNVERIFIED |
| MDMippie Dee LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| MLMira Loma Peaker Generating Station | Ontario | CA | — | ◇ UNVERIFIED |
