| MIMedi-physics INC Dba Ge Healthcare | Sacramento | CA | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | Van Nuys | CA | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | San Diego | CA | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | Sunnyvale | CA | — | ◇ UNVERIFIED |
| MTMediquest Therapeutics INC Bothell | Bothell | WA | — | ◇ UNVERIFIED |
| MIMed-pharmex INC | Pomona | CA | — | ◇ UNVERIFIED |
| MIMedterials INC | San Carlos | CA | — | ◇ UNVERIFIED |
| MPMemory Pharmaceutical CORP. | Montvale | NJ | — | ◇ UNVERIFIED |
| MCMerck & Co., INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| MSMerck Sharp and Dohme | Arecibo | PR | — | ◇ UNVERIFIED |
| MSMerck Sharp & Dohme | Rahway | NJ | — | ◇ UNVERIFIED |
| MDMerck-sharp Dohme | Barceloneta | PR | — | ◇ UNVERIFIED |
| MDMerck-sharp Dohme Arecibo | Arecibo | PR | — | ◇ UNVERIFIED |
| MSMerck Sharp - Dohme CORP. | Wilson | NC | — | ◇ UNVERIFIED |
| MSMerck Sharp & Dohme CORP. - Elkton Facility | Elkton | VA | — | ◇ UNVERIFIED |
| MTMerge Therapeutics INC | South San Francisco | CA | — | ◇ UNVERIFIED |
| MCMerk & Co, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| MTMerz Therapeutics | Waltham | MA | — | ◇ UNVERIFIED |
| MCMichael Carpentier | Walnut Creek | CA | — | ◇ UNVERIFIED |
| MCMicrogenics CORP Dba Thermo Fisher Scientific INC | Fremont | CA | — | ◇ UNVERIFIED |
| MBMidland Bioproducts CORP | Boone | IA | — | ◇ UNVERIFIED |
| MRMidwest Research Laboratories LLC | Oceanside | CA | — | ◇ UNVERIFIED |
| MCMindera CORP Dba Mindera Health | Vista | CA | — | ◇ UNVERIFIED |
| MCMindera Corporation | South San Francisco | CA | — | ◇ UNVERIFIED |
| MCMindera Corporation | San Diego | CA | — | ◇ UNVERIFIED |
| MRMineral Resources International INC. | Ogden | UT | — | ◇ UNVERIFIED |
| MTMirador Therapeutics | San Diego | CA | — | ◇ UNVERIFIED |
Mission Pharmacal Company | San Antonio | TX | — | ◇ UNVERIFIED |
| MMixlab | Los Angeles | CA | — | ◇ UNVERIFIED |
| MLM Labs LLC | New Providence | NJ | — | ◇ UNVERIFIED |
| MMnpharm | White Bear Lake | MN | — | ◇ UNVERIFIED |
| MModerna | Waltham | MA | — | ◇ UNVERIFIED |
| MModerna | Marlborough | MA | — | ◇ UNVERIFIED |
| MCModerna C/o of Alexandria Real Estate | Norwood | MA | — | ◇ UNVERIFIED |
| MBMonterey Bay Alt Medicine Health Products | Del Rey Oaks | CA | — | ◇ UNVERIFIED |
| MLMontgomery Laboratories INC. | Berwick | PA | — | ◇ UNVERIFIED |
| MAMoonlite Associates LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
Moravek Biochemicals, INC. | Brea | CA | — | ◇ UNVERIFIED |
| MEMoringa Energy LLC | Miami | FL | — | ◇ UNVERIFIED |
| MGMpp Group LLC | Mequon | WI | — | ◇ UNVERIFIED |
| MFMr Frank Biotti | Newton | MA | — | ◇ UNVERIFIED |
| MIMsd International Gmbh | Las Piedras | PR | — | ◇ UNVERIFIED |
| MIMsd International Gmbh Dba Merck Lpo | Las Piedras | PR | — | ◇ UNVERIFIED |
| MOMt. Oread Pharmacy, L.c. | Lawrence | KS | — | ◇ UNVERIFIED |
| MSMt San Jacinto Community College | Temecula | CA | — | ◇ UNVERIFIED |
| MCMusclepharm Corporation | Spring Hill | TN | — | ◇ UNVERIFIED |
| MCMusclepharm Corporation | Franklin | TN | — | ◇ UNVERIFIED |
| MTMycrodose Therapeutics INC | San Diego | CA | — | ◇ UNVERIFIED |
| MHMy Happy Flo, LLC | Atlanta | GA | — | ◇ UNVERIFIED |
| MLMylan LLC | Caguas | PR | — | ◇ UNVERIFIED |