| MPMetz Properties LLC | New River | AZ | — | ◇ UNVERIFIED |
| MMM.g. Manufacturing LLC | Blanding | UT | — | ◇ UNVERIFIED |
| MVMiami Valley Manufacturing & Assembly, INC. | Dayton | OH | — | ◇ UNVERIFIED |
| MJMichael James Properties, LLC | Gainesville | GA | — | ◇ UNVERIFIED |
| MMMichael Marhofer | Cicero | IL | — | ◇ UNVERIFIED |
| MMMichael Mccrorey | Myrtle Point | OR | — | ◇ UNVERIFIED |
| MMMichael Mccrorey | Myrtle Point | OR | — | ◇ UNVERIFIED |
| MPMichael Piazza, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| MSMichael Spencer and Karen Spencer, Trustees of the Michael Alan Spencer and Kare | Temecula | CA | — | ◇ UNVERIFIED |
| MSMichael Steiro | Lebanon | MO | — | ◇ UNVERIFIED |
| MTMichael Tareski | Medical Lake | WA | — | ◇ UNVERIFIED |
| MWMichael Wynakos | Monroe | WA | — | ◇ UNVERIFIED |
 Microcast Technologies | Avenel | NJ | — | ◇ UNVERIFIED |
| MOMicrocoat of Santa Rosa | Santa Rosa | CA | — | ◇ UNVERIFIED |
| 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 Mfg. INC. | Caledonia | MI | — | ◇ UNVERIFIED |
| MMicromist | Calimesa | CA | — | ◇ UNVERIFIED |
| MPMicron Precision LLC Dba King Machine Fayetteville | Fayetteville | NC | — | ◇ UNVERIFIED |
| MPMicro Parts INC | Eagan | MN | — | ◇ UNVERIFIED |
| MSMicro Space Products | Torrance | CA | — | ◇ UNVERIFIED |
 Microteq Engineering INC | San Antonio | TX | — | ◇ UNVERIFIED |
 Microtool INC. | Shawnee Mission | KS | — | ◇ UNVERIFIED |
| MMMid-american Machine & Equipment, INC. | Le Roy | KS | — | ◇ UNVERIFIED |
| MCMid City Precision INC | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| MCMid City Precision LLC | Wausau | WI | — | ◇ UNVERIFIED |
| MMMiddleton Machining & Welding, INC. | Middleton | WI | — | ◇ UNVERIFIED |
| MKMid Kansas Machine INC. | Mcpherson | KS | — | ◇ 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 Manufacturing, LLC | Mt. Ulla | NC | — | ◇ UNVERIFIED |
| MMMidway Machine & Welding Shop, INC. | Burleson | TX | — | ◇ UNVERIFIED |
| MMMidwest Machine, LLC | Beloit | WI | — | ◇ UNVERIFIED |
| MMMidwest Machining INC. | Harper | KS | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing Corporation | Omaha | NE | — | ◇ UNVERIFIED |
| MMMidwest Metal Works INC | Grove City | MN | — | ◇ UNVERIFIED |
 Midwest Precision Tooling and Manufacturing LLC | Hutchinson | MN | — | ◇ UNVERIFIED |
| Midwest Precision Tooling and Manufacturing LLC | Buffalo | MN | — | ◇ UNVERIFIED |
| Midwest Precision Tooling and Manufacturing LLC | New Ulm | MN | — | ◇ UNVERIFIED |
| MPMidwest Production Solutions | Moran | KS | — | ◇ UNVERIFIED |
| MPMidwest Pro Manufacturing INC. | Rock Valley | IA | — | ◇ UNVERIFIED |
| MRMidwest Remanufacturing, LLC | Bedford Park | IL | — | ◇ UNVERIFIED |
| MDMike Dyell Machine Shop & Hydraulics, in | Rialto | CA | — | ◇ UNVERIFIED |
| MMMike's Machine Shop | Licking | MO | — | ◇ UNVERIFIED |
| MPMike's Performance & Machine Shop | Las Cruces | NM | — | ◇ UNVERIFIED |
| MHMilans Holdings Enterprises LLC | Doral | FL | — | ◇ UNVERIFIED |
