| 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 |
