| 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 |
