| MLMicro-fab LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MFMicro Finish & Coating INC. | Kansas City | MO | — | ◇ UNVERIFIED |
| MAMicroflex Automotive | Ormond Beach | FL | — | ◇ UNVERIFIED |
| MMMicro Machine INC | Greenfield | MN | — | ◇ UNVERIFIED |
| MMMicromatics Machine CO | Hollis | NH | — | ◇ UNVERIFIED |
| MMMicro Matic Usa, INC | Northridge | CA | — | ◇ UNVERIFIED |
| MMMicro Metals | Richmond | CA | — | ◇ UNVERIFIED |
| MMMicro Metl Corporation | Sparks | NV | — | ◇ UNVERIFIED |
| MMMicro Mfg. INC. | Caledonia | MI | — | ◇ UNVERIFIED |
| MMicromist | Calimesa | CA | — | ◇ UNVERIFIED |
| MPMicron Precision LLC Dba King Machine Fayetteville | Fayetteville | NC | — | ◇ UNVERIFIED |
| MSMicro Space Products | Torrance | CA | — | ◇ UNVERIFIED |
 Microteq Engineering INC | San Antonio | TX | — | ◇ UNVERIFIED |
| MMicrotome | Colorado Springs | CO | — | ◇ UNVERIFIED |
 Microtool INC. | Shawnee Mission | KS | — | ◇ UNVERIFIED |
| MTMicro Tool - Mold INC | Shafer | MN | — | ◇ UNVERIFIED |
| MMMid-american Machine & Equipment, INC. | Le Roy | KS | — | ◇ UNVERIFIED |
| MMMidas Metal Works, LLC | Etna | OH | — | ◇ UNVERIFIED |
| MCMid City Precision INC | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| MCMid City Precision LLC | Wausau | WI | — | ◇ UNVERIFIED |
| MMMiddleton Machining & Welding, INC. | Middleton | WI | — | ◇ UNVERIFIED |
| MMMideastern Manufacturing Co* | Knoxville | TN | — | ◇ UNVERIFIED |
| MKMid Kansas Machine INC. | Mcpherson | KS | — | ◇ UNVERIFIED |
| MCMidland Coating Plant | Midland | TX | — | ◇ UNVERIFIED |
| MPMid Park Dba Roadway Construction Products 2 | Leitchfield | KY | — | ◇ UNVERIFIED |
| MMMidsouth Machine & Welding LLC | Jackson | TN | — | ◇ UNVERIFIED |
| MPMidsouth Power Equipment Company, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| MMMid-state Machine & Fabricating Corporation | Bartow | FL | — | ◇ UNVERIFIED |
| MMMid-state Machine Shop, INC. | East Dublin | GA | — | ◇ UNVERIFIED |
| MMMid-state Machining INC | Henderson | TN | — | ◇ UNVERIFIED |
| MMMid-state Manufacturing, LLC | Mt. Ulla | NC | — | ◇ UNVERIFIED |
| MMMid-State Metal Works | Blaine | MN | — | ◇ UNVERIFIED |
| MMMidway Machine & Welding Shop, INC. | Burleson | TX | — | ◇ UNVERIFIED |
| MHMidwesco Holdings, Inc. | Joliet | IL | — | ◇ UNVERIFIED |
| MDMidwest Die Corp | Baroda | MI | — | ◇ UNVERIFIED |
| MMMidwest Machine, LLC | Beloit | WI | — | ◇ UNVERIFIED |
| MMMidwest Machining INC. | Harper | KS | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing and Mechanical INC | Nashwauk | MN | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing Corporation | Omaha | NE | — | ◇ UNVERIFIED |
 Midwest Metal Fabrication LLC | Alda | NE | — | ◇ UNVERIFIED |
| MMMidwest Metal Fabricators, LLC | Wapakoneta | OH | — | ◇ UNVERIFIED |
| MMMidwest Metallurgical Laboratory INC | Marshall | MI | — | ◇ UNVERIFIED |
| MMMidwest Metal Works INC | Grove City | MN | — | ◇ UNVERIFIED |
| MMMidwest Metal Works, LLC | Sparta | MO | — | ◇ UNVERIFIED |
| MMMidwest Mold INC | Downey | CA | — | ◇ UNVERIFIED |
 Midwest Precision Tooling and Manufacturing LLC | Buffalo | MN | — | ◇ UNVERIFIED |
| Midwest Precision Tooling and Manufacturing LLC | New Ulm | MN | — | ◇ UNVERIFIED |
| Midwest Precision Tooling and Manufacturing LLC | Hutchinson | MN | — | ◇ UNVERIFIED |
| MPMidwest Production Solutions | Moran | KS | — | ◇ UNVERIFIED |
| MPMidwest Pro Manufacturing INC. | Rock Valley | IA | — | ◇ UNVERIFIED |
| MRMidwest Remanufacturing, LLC | Bedford Park | IL | — | ◇ UNVERIFIED |
| MSMidwest Stairs & Iron, Inc. | Milwaukee | WI | — | ◇ UNVERIFIED |
| MWMidwest Welding Solutions CORP | Waukesha | WI | — | ◇ UNVERIFIED |
| MWMidwest Wrought Iron INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MBMike Boone Properties, LLC, a California Limited Liability Company | Garden Grove | CA | — | ◇ UNVERIFIED |
| MDMike Dyell Machine Shop & Hydraulics, in | Rialto | CA | — | ◇ UNVERIFIED |
| MOMike Owen Fabrication | Bakersfield | CA | — | ◇ UNVERIFIED |
| MFMike's Foundry INC. | Ravenna | MI | — | ◇ UNVERIFIED |
| MMMike's Machine Shop | Licking | MO | — | ◇ UNVERIFIED |
| MPMike's Performance & Machine Shop | Las Cruces | NM | — | ◇ UNVERIFIED |
| MIMikris, INC. | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| MMMiktin Metals, Inc. | Twinsburg | OH | — | ◇ UNVERIFIED |
| MLMilacron LLC | Tecumseh | MI | — | ◇ UNVERIFIED |
| MHMilans Holdings Enterprises LLC | Doral | FL | — | ◇ UNVERIFIED |
| MMMile-hi Machine, INC. | Arvada | CO | — | ◇ UNVERIFIED |
| MMMiles Machine LLC | Waterboro | ME | — | ◇ UNVERIFIED |
| MMMillcraft Mfg INC | San Jose | CA | — | ◇ UNVERIFIED |
| MMMillennium Machining, INC | Lewiston | UT | — | ◇ UNVERIFIED |
| MPMillennium Power Services, Inc. | Westfield | MA | — | ◇ UNVERIFIED |
| MMMiller Machined Products, INC. | Endeavor | WI | — | ◇ UNVERIFIED |
| MMMiller Machine & Mechanical Inc. | Mexico | NY | — | ◇ UNVERIFIED |
| MMMiller Machine & Mechanical, INC. | Mexico | NY | — | ◇ UNVERIFIED |
| MMMiller Machine Works, LLC | San Diego | CA | — | ◇ UNVERIFIED |
| MMMiller & Mapco Hi Tech Fab, LLC | Lexington | OH | — | ◇ UNVERIFIED |
| MMMiller Method Imports INC. | Miami Beach | FL | — | ◇ UNVERIFIED |
| MMMiller Mfg CORP | Nappanee | IN | — | ◇ UNVERIFIED |
 Miller Welding & Machine Co/maplevale Plt | Brookville | PA | — | ◇ UNVERIFIED |
| MMMill Mechanical, LLC. | Monroe | OH | — | ◇ UNVERIFIED |
| MMMillpro Manufacturing and Engineering | Hawthorne | CA | — | ◇ UNVERIFIED |
| MPMill Pro Manufacturing LLC | Bluffdale | UT | — | ◇ UNVERIFIED |
| MPMill Pro Manufacturing LLC | Bluffdale | UT | — | ◇ UNVERIFIED |
| MIMillville Iron Works Co., INC. | Millville | NJ | — | ◇ UNVERIFIED |
| MMMillwood Metalworks INC | Freeport | MN | — | ◇ UNVERIFIED |
| MUMimecri Usa, LLC | Thomasville | GA | — | ◇ UNVERIFIED |
| MEMinas Equity Partners, LLC | Winston Salem | NC | — | ◇ UNVERIFIED |
| MWMineral Wells | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MAMinnesota Ag Power INC Howard Lake | Howard Lake | MN | — | ◇ UNVERIFIED |
| MMMinnesota Machining Incorporated | Wyoming | MN | — | ◇ UNVERIFIED |
| MMMinnesota Metal Fabrications INC. | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMinnesota Metals INC | Spring Valley | MN | — | ◇ UNVERIFIED |
| MWMinnesota Waterjet INC | Ramsey | MN | — | ◇ UNVERIFIED |
| MPMiratech Prior Lake INC | Prior Lake | MN | — | ◇ UNVERIFIED |
| MTMission Tool & Mfg CO INC | Hayward | CA | — | ◇ UNVERIFIED |
| MLMississippi Laser, Inc. | Stockton | IA | — | ◇ UNVERIFIED |
| MPMississippi Precision Casting Parts, LLC | Columbus | MS | — | ◇ UNVERIFIED |
| MPMissouri Pressed Metals INC. | Sedalia | MO | — | ◇ UNVERIFIED |
| MLMist123, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| MMMisty Mountain Industries INC. | Mountain Home | AR | — | ◇ UNVERIFIED |
| MMiswaco | Tulsa | OK | — | ◇ UNVERIFIED |
| MDMitchell & Duce INC Dba Mitchell Bros | Buena Park | CA | — | ◇ UNVERIFIED |
