| MWMacrogenics West INC | South San Francisco | CA | — | ◇ UNVERIFIED |
| MMallinckrodt | Hobart | NY | — | ◇ UNVERIFIED |
| MMMallinckrodt Medical INC - St. Louis | Hazelwood | MO | — | ◇ UNVERIFIED |
| MNMallinckrodt N Second | Saint Louis | MO | — | ◇ UNVERIFIED |
| MPMallinckrodt Pharmaceuticals | West Sacramento | CA | — | ◇ UNVERIFIED |
| MPMallinckrodt Pharmaceuticals, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| MBMapp Biopharmaceutical INC | San Diego | CA | — | ◇ UNVERIFIED |
| MAMarathon a Division of Copharma | Hopkinton | MA | — | ◇ UNVERIFIED |
| MCMaria Carlin Rangel | Chicago | IL | — | ◇ UNVERIFIED |
| MMMarrion Merrell | Manati | PR | — | ◇ UNVERIFIED |
| MBMatinas Biopharma Nanotechnologies, INC. | Bridgewater | NJ | — | ◇ UNVERIFIED |
| MBMatrisys Bioscience | La Jolla | CA | — | ◇ UNVERIFIED |
| MPMayne Pharma INC. | Greenville | NC | — | ◇ UNVERIFIED |
| MEMcgowan Enterprises INC Dba Acute Care Pharmaceuticals | Poway | CA | — | ◇ UNVERIFIED |
| MCMcneil Consumer Healthcare | Lancaster | PA | — | ◇ UNVERIFIED |
| MHMcneil Health Care LLC | Las Piedras | PR | — | ◇ UNVERIFIED |
| MHMcneil Healthcare LLC | Las Piedras | PR | — | ◇ UNVERIFIED |
| MMdrna | Bothell | WA | — | ◇ UNVERIFIED |
| MPMds Pharma Services | Bothell | WA | — | ◇ UNVERIFIED |
| MPMeda Pharmaceuticals INC | Decatur | IL | — | ◇ UNVERIFIED |
| MPMedcore Pharma LLC | Piscataway | NJ | — | ◇ UNVERIFIED |
| MIMedefil Inc | Glendale Heights | IL | — | ◇ UNVERIFIED |
| MBMedicus Biosciences LLC | Carlsbad | CA | — | ◇ UNVERIFIED |
| MMedimmune | Mountain View | CA | — | ◇ UNVERIFIED |
| MMedimmune | Santa Clara | CA | — | ◇ UNVERIFIED |
| MDMedimmune Distribution LLC | Shepherdsville | KY | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | San Diego | CA | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | Sunnyvale | CA | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | Sacramento | CA | — | ◇ UNVERIFIED |
| MIMedi-physics INC Dba Ge Healthcare | Van Nuys | CA | — | ◇ UNVERIFIED |
| MTMediquest Therapeutics INC Bothell | Bothell | WA | — | ◇ UNVERIFIED |
| MIMedline Industries, INC. | Prichard | WV | — | ◇ UNVERIFIED |
| MIMed-pharmex INC | Pomona | CA | — | ◇ UNVERIFIED |
| MIMedterials INC | San Carlos | CA | — | ◇ UNVERIFIED |
| MIMedtronic INC | Monmouth Junction | NJ | — | ◇ 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 | Lansdale | PA | — | ◇ UNVERIFIED |
| MSMerck Sharp - Dohme CORP. | Wilson | NC | — | ◇ UNVERIFIED |
| MSMerck Sharp & Dohme CORP. - Elkton Facility | Elkton | VA | — | ◇ UNVERIFIED |
| MSMerck Sharp & Dohme - Kenilworth | Kenilworth | NJ | — | ◇ UNVERIFIED |
| MTMerge Therapeutics INC | South San Francisco | CA | — | ◇ UNVERIFIED |
| MSMerial Select | Berlin | MD | — | ◇ UNVERIFIED |
| MSMerial Select | Fuquay Varina | NC | — | ◇ UNVERIFIED |
Meridian Medical Technologies | Saint Louis | MO | — | ◇ UNVERIFIED |
| MCMerk & Co, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| MTMerz Therapeutics | Waltham | MA | — | ◇ UNVERIFIED |
| MAMichael and Son Services | Richmond | VA | — | ◇ UNVERIFIED |
| MCMichael Carpentier | Walnut Creek | CA | — | ◇ UNVERIFIED |
| MIMichigan Investments 10 INC | Pinconning | MI | — | ◇ UNVERIFIED |
| MCMicrogenics CORP Dba Thermo Fisher Scientific INC | Fremont | CA | — | ◇ UNVERIFIED |
| MBMidland Bioproducts CORP | Boone | IA | — | ◇ UNVERIFIED |
| MFMidland Fumigant CO INC | Leavenworth | KS | — | ◇ UNVERIFIED |
| MRMidwest Research Laboratories LLC | Oceanside | CA | — | ◇ UNVERIFIED |
| MHMile High Labs, INC | Broomfield | CO | — | ◇ UNVERIFIED |
| MPMillennium Pharmaceuticals INC | Cambridge | MA | — | ◇ UNVERIFIED |
| MBMiltenyl Biotec North America INC | Gaithersburg | MD | — | ◇ UNVERIFIED |
| MCMindera CORP Dba Mindera Health | Vista | CA | — | ◇ UNVERIFIED |
| MCMindera Corporation | San Diego | CA | — | ◇ UNVERIFIED |
| MCMindera Corporation | South San Francisco | 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 |
| MGMorton Grove Pharmaceuticals Incorporated | Morton Grove | IL | — | ◇ UNVERIFIED |
| MMMotrin Manufacturing | Barceloneta | PR | — | ◇ 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 |
| MIMsd International Gmbh (pr Branch) LLC. | Arecibo | 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 |
| MIMylan INC | Caguas | PR | — | ◇ UNVERIFIED |
| MLMylan LLC | Caguas | PR | — | ◇ UNVERIFIED |
| MPMylan Pharmaceuticals, Inc., Morgantown | Morgantown | WV | — | ◇ UNVERIFIED |
| MPMylan Pharmaceuticals Inc., White Birch Tower 2 | Morgantown | WV | — | ◇ UNVERIFIED |
| MPMylan Pharmaceuticals, Morgantown | Morgantown | WV | — | ◇ UNVERIFIED |
| MSMylan Specialty L P | Napa | CA | — | ◇ UNVERIFIED |
| NANano A.d.m. Facility | Alachua | FL | — | ◇ UNVERIFIED |
| NPNano Pharmaceutical Laboratories, LLC | Denver | CO | — | ◇ UNVERIFIED |
| NSNanopharma Solutions INC | San Diego | CA | — | ◇ UNVERIFIED |