| MVMillville Volunteer Fire Dept. | Millville | CA | — | ◇ UNVERIFIED |
| MMMillwood Metalworks INC | Freeport | MN | — | ◇ UNVERIFIED |
| MAMilners Anodizing | Santa Rosa | CA | — | ◇ UNVERIFIED |
| MPMil-spec Plating CORP | South El Monte | CA | — | ◇ UNVERIFIED |
| MEMinas Equity Partners, LLC | Winston Salem | NC | — | ◇ UNVERIFIED |
| MKMindless Kreations LLC | Whitewood | SD | — | ◇ UNVERIFIED |
| MEMind's Eye Companies Worlwide, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| MWMineral Wells | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MBMinerite Buffalo Properties, LLC | Buffalo | WY | — | ◇ UNVERIFIED |
 Miniature Precision Components INC | Morrison | TN | — | ◇ UNVERIFIED |
| Miniature Precision Components Janesville | Janesville | WI | — | ◇ UNVERIFIED |
| MSMinneapolis Sheeet Metal INC | New Brighton | MN | — | ◇ UNVERIFIED |
| MAMinnesota Ag Power INC Howard Lake | Howard Lake | MN | — | ◇ UNVERIFIED |
| MDMinnesota Diversified Industries INC | Cohasset | MN | — | ◇ UNVERIFIED |
| MMMinnesota Machining Incorporated | Wyoming | MN | — | ◇ UNVERIFIED |
| MMMinnesota Metal Fabrications INC. | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMinnesota Metals INC | Spring Valley | MN | — | ◇ UNVERIFIED |
| MMMinnesota Metalworks INC | Perham | MN | — | ◇ UNVERIFIED |
| MWMinnesota Waterjet INC | Ramsey | MN | — | ◇ UNVERIFIED |
| MMMinnotte Manufacturing Corporation | Trafford | PA | — | ◇ UNVERIFIED |
| MPMinnTech Plastics, LLC | Rogers | MN | — | ◇ UNVERIFIED |
| MAMinova Americas Dba Minova Holdings INC. | Marion | IL | — | ◇ UNVERIFIED |
| MUMinova USA INC. | Proctorville | OH | — | ◇ UNVERIFIED |
| MGMinth Group LTD | East Tawas | MI | — | ◇ UNVERIFIED |
| MNMinth North America INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
| MPMiracle Paintrejuvenator Company, Inc. | South Saint Paul | MN | — | ◇ UNVERIFIED |
| MBMiralani Business Park | San Diego | CA | — | ◇ UNVERIFIED |
| MPMiratech Prior Lake INC | Prior Lake | MN | — | ◇ UNVERIFIED |
| MPMirror Polishing & Plating CO INC | Waterbury | CT | — | ◇ UNVERIFIED |
| MPMission-taylor Properties, C/o Lowenberg | Lathrop | CA | — | ◇ UNVERIFIED |
| MTMission Tool & Mfg CO INC | Hayward | CA | — | ◇ UNVERIFIED |
| MLMississippi Laser, Inc. | Stockton | IA | — | ◇ UNVERIFIED |
| MSMississippi Steel Processing, LLC | Columbus | MS | — | ◇ UNVERIFIED |
| MPMissouri Pressed Metals INC. | Sedalia | MO | — | ◇ UNVERIFIED |
| MRMissouri Rolling Mill-hazelwood | Hazelwood | MO | — | ◇ UNVERIFIED |
| MLMist123, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| MIMist Incorporated (mist Industrial Tools) | Simi Valley | CA | — | ◇ UNVERIFIED |
| MMMisty Mountain Industries INC. | Mountain Home | AR | — | ◇ UNVERIFIED |
| MMiswaco | Tulsa | OK | — | ◇ UNVERIFIED |
| MDMitchell & Duce INC Dba Mitchell Bros | Buena Park | CA | — | ◇ UNVERIFIED |
| MMMitchell Machine Works, INC. | Dalton | GA | — | ◇ UNVERIFIED |
| MMMitchell Manufacturing, INC. | Tomball | TX | — | ◇ UNVERIFIED |
| MSMitchell & Son INC | Memphis | TN | — | ◇ UNVERIFIED |
| MUMitek Usa, INC. | Tolleson | AZ | — | ◇ UNVERIFIED |
 Mitsubishi Chemical Advanced Materials, INC. | Mesa | AZ | — | ◇ UNVERIFIED |
| MKMitsui Kinzoku Die-casting Technology America, INC | Griffin | GA | — | ◇ UNVERIFIED |
| MMMitten Manufacturing | Syracuse | NY | — | ◇ UNVERIFIED |
| MMMitten Metal LLC | Hemlock | MI | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Portland | OR | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Clackamas | OR | — | ◇ UNVERIFIED |
