| MTMmi Tank & Industrial Services, INC. | Avondale | AZ | — | ◇ UNVERIFIED |
| MMMmj Machining and Fabricating, INC. | Randleman | NC | — | ◇ UNVERIFIED |
| MMM & M Machining | Salinas | CA | — | ◇ UNVERIFIED |
| MMM & M Manufacturing | Fort Worth | TX | — | ◇ UNVERIFIED |
| MMM & M Mfg | Garland | TX | — | ◇ UNVERIFIED |
| MSMmp Sheet Metal INC | La Habra | CA | — | ◇ UNVERIFIED |
| MQM&m Quality Grinding | Hodgkins | IL | — | ◇ UNVERIFIED |
| MMM & M Sheet Metal and Rain Gutters | Canyon Country | CA | — | ◇ UNVERIFIED |
| MMM & M Tooling Inc | Patillas | PR | — | ◇ UNVERIFIED |
| MMM & M Welding & Fabricating, INC. | Slippery Rock | PA | — | ◇ UNVERIFIED |
| MIMndustries, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| MIModacam, Incorporated | Denver | NC | — | ◇ UNVERIFIED |
| MVModern-aire Ventilating INC | North Hollywood | CA | — | ◇ UNVERIFIED |
 Modern Machine and Metal Fabricators, INC. | Winston Salem | NC | — | ◇ UNVERIFIED |
| MMModern Machinery CO | Bay City | MI | — | ◇ UNVERIFIED |
| Modern Machine Shop, INC. | Laredo | TX | — | ◇ UNVERIFIED |
 Modern Machine Works, INC. | Bismarck | ND | — | ◇ UNVERIFIED |
 Modern Metal Solutions LLC | Hudson | NH | — | ◇ UNVERIFIED |
| MSModern Solutions of Bay County, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| MTModern Tool INC | Coon Rapids | MN | — | ◇ UNVERIFIED |
| MCModular Concepts INC | Burnsville | MN | — | ◇ UNVERIFIED |
| MMModular Metal Fabricators INC | Moreno Valley | CA | — | ◇ UNVERIFIED |
| MIModutek International LLC | Soperton | GA | — | ◇ UNVERIFIED |
| MBMoenter Bilt Performance Engineering, LLC | Woodville | OH | — | ◇ UNVERIFIED |
| MOM - O Fabricating INC | Rice | MN | — | ◇ UNVERIFIED |
| MMMolalla Machine Shop INC | Molalla | OR | — | ◇ UNVERIFIED |
| MEMold Eliminators of Florida, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| MTMolding Technologies, INC | Hebron | OH | — | ◇ UNVERIFIED |
| MMMolenda Machining | Concord | CA | — | ◇ UNVERIFIED |
| MCMomomi CO LTD Dba Tru-form Metals | Livermore | CA | — | ◇ UNVERIFIED |
| MMMonalex Manufacturing, INC. | Douglas | MA | — | ◇ UNVERIFIED |
| MHMonarch HVAC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MMMonarch Metal Manufacturing, INC. | Denver | CO | — | ◇ UNVERIFIED |
| MMMongoose Metals INC | Salem | OR | — | ◇ UNVERIFIED |
| MMMonovision Machine, LLC | Massillon | OH | — | ◇ UNVERIFIED |
| MMMonroe Mold LLC | Monroe | MI | — | ◇ UNVERIFIED |
| MPMonroe Piping & Sheet Metal | Webster | NY | — | ◇ UNVERIFIED |
| MMMonster Mud Pits INC. | Fort Stockton | TX | — | ◇ UNVERIFIED |
| MMMonster Mud Pits INC. | Mentone | TX | — | ◇ UNVERIFIED |
| MTMontague Tool and Manufacturing Company | Clio | MI | — | ◇ UNVERIFIED |
| MTMontgomery Tank of Louisiana INC | Montgomery | LA | — | ◇ UNVERIFIED |
| MIMonti INC. Santa Teresa Plant | Santa Teresa | NM | — | ◇ UNVERIFIED |
| MFMoody Fabrication & Machine, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| MIMooney Industries Precision Machining | Canoga Park | CA | — | ◇ UNVERIFIED |
| MFMoon Fabricating Corporation | Kokomo | IN | — | ◇ UNVERIFIED |
| MMMoonlight Manufacturing, INC. | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| MFMoore Flame Cutting Company | Bloomfield Hills | MI | — | ◇ UNVERIFIED |
| MFMoore's Fiberglass, INC. | Walstonburg | NC | — | ◇ UNVERIFIED |
| MMMoorhead Machinery - Boiler CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMorales Motorsports | Daly City | CA | — | ◇ UNVERIFIED |
