| MIMarkwins International Corporation | Walnut | CA | — | ◇ UNVERIFIED |
| MGMaroon Group, LLC | Gardena | CA | — | ◇ UNVERIFIED |
| MOMarque of Brands Americas LLC | Alexandria | TN | — | ◇ UNVERIFIED |
| MBMartinni Beauty, Inc. | San Pablo | CA | — | ◇ UNVERIFIED |
| MKMary Kay Asrs Corporate Warehouse | Dallas | TX | — | ◇ UNVERIFIED |
| MKMary Kay Dallas Facility | Dallas | TX | — | ◇ UNVERIFIED |
| MKMary Kay Global Headquarters | Addison | TX | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Construction Systems US | Newark | CA | — | ◇ UNVERIFIED |
| MPMastercraft Pattern C/o Jonah Bishop | Pittsburg | KS | — | ◇ UNVERIFIED |
| MPMaster Plastics of California INC | Vacaville | CA | — | ◇ UNVERIFIED |
| MPMatagorda Plant | Bay City | TX | — | ◇ UNVERIFIED |
| MMaterion | Milwaukee | WI | — | ◇ UNVERIFIED |
| MCMaverick Corporation | Miamisburg | OH | — | ◇ UNVERIFIED |
| MCMaya Chia, LLC | Charleston | SC | — | ◇ UNVERIFIED |
| MIMayco International | Clinton Township | MI | — | ◇ UNVERIFIED |
| MEMayflower Enterprise | Whitman | MA | — | ◇ UNVERIFIED |
| MLMaywood Lab Inc | Maywood | NJ | — | ◇ UNVERIFIED |
| MLMcconnell Labs, INC. | Redmond | OR | — | ◇ UNVERIFIED |
| MCM Chemical Manufacturing | Baytown | TX | — | ◇ UNVERIFIED |
| MLMckenan Labs LLC | Fullerton | CA | — | ◇ UNVERIFIED |
| MLMckenna Labs, INC. | Fullerton | CA | — | ◇ UNVERIFIED |
| MCMckenzie Corporation | Reno | NV | — | ◇ UNVERIFIED |
| MPMCM Plastics Inc | Holden | LA | — | ◇ UNVERIFIED |
| MCMcns-us Covington | Covington | GA | — | ◇ UNVERIFIED |
| MPMechanical Plastics INC | Agawam | MA | — | ◇ UNVERIFIED |
| MEMedtronic Energy & Component Center | Minneapolis | MN | — | ◇ UNVERIFIED |
| MCMel.artistry Cosmetics LLC | Belleville | NJ | — | ◇ UNVERIFIED |
| MCMel Chemicals INC | Flemington | NJ | — | ◇ UNVERIFIED |
| MPMemc Pasadena, Incorporated | Pasadena | TX | — | ◇ UNVERIFIED |
| MUMenges Urethane INC. | Goddard | KS | — | ◇ UNVERIFIED |
| MLMenon Laboratories | Somerville | MA | — | ◇ UNVERIFIED |
| MNMerle Norman Cosmetics | Los Angeles | CA | — | ◇ UNVERIFIED |
| MOMetal Oak Casting Studios LLC | Saint Charles | MO | — | ◇ UNVERIFIED |
 Metal Products | Suwanee | GA | — | ◇ UNVERIFIED |
| MAMetals and Additives | Brazil | IN | — | ◇ UNVERIFIED |
| MAMetals and Additives LLC Warehouse | Brazil | IN | — | ◇ UNVERIFIED |
| MMMetamorphic Materials INC | Winsted | CT | — | ◇ UNVERIFIED |
| MHMetronom Health INC | Laguna Beach | CA | — | ◇ UNVERIFIED |
| MPMgc Pure Chemicals America INC | Forest Grove | OR | — | ◇ UNVERIFIED |
| MRM&g Resins USA | Corpus Christi | TX | — | ◇ UNVERIFIED |
| MPMiami Prods & Chemical CO | Fairborn | OH | — | ◇ UNVERIFIED |
| MAMichigan Additive Technologies INC. | Erie | MI | — | ◇ UNVERIFIED |
| MFMicronized Fluoropolymer Products INC. | Delray Beach | FL | — | ◇ UNVERIFIED |
| MBMicrovi Biotech INC. | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MSMicrowave Specialty Company | San Marcos | CA | — | ◇ UNVERIFIED |
| MCMid-america Conversion Services - Depleted Uranium Hexfloride Conversion Facility | Kevil | KY | — | ◇ UNVERIFIED |
| MAMid Atlantic Vinyl Products INC. | Fredericksburg | VA | — | ◇ UNVERIFIED |
| MMMilacron Marketing Company, LLC | Tecumseh | MI | — | ◇ UNVERIFIED |
| MLMilbar Labs, INC. | East Haven | CT | — | ◇ UNVERIFIED |
| MPMilitary Packaging INC | Florence | KY | — | ◇ UNVERIFIED |
