| MLMetkote Laminated Products, INC. | Taylor | PA | — | ◇ UNVERIFIED |
| MIMet-l-fab INC | Londonderry | NH | — | ◇ UNVERIFIED |
| MIMetl-fab, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| MEM E T Plastics, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MTMet-pro Technologies, LLC | Telford | PA | — | ◇ UNVERIFIED |
| MDMetric Design & Manufacturing INC | Campbell | CA | — | ◇ UNVERIFIED |
| MMMetric Machining INC | Riverside | CA | — | ◇ UNVERIFIED |
| MMMetro Machine - Engineering CORP | Eden Prairie | MN | — | ◇ UNVERIFIED |
| MMMetro Metal Supply, INC. | Denver | CO | — | ◇ UNVERIFIED |
| MMMetro Mold & Design LLC | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| MMMetro Mold & Design LLC - Building 1 | Rogers | MN | — | ◇ UNVERIFIED |
| MMMetro Mold & Design LLC - Building 4 | Rogers | MN | — | ◇ UNVERIFIED |
| MSMetroplex Sheet Metal II LLC | Garland | TX | — | ◇ UNVERIFIED |
| MSMetro Sales and Assembly, INC. | Broken Arrow | OK | — | ◇ UNVERIFIED |
| MSMetro South Machining INC | Burnsville | MN | — | ◇ UNVERIFIED |
| MTMetro Test and Balance, INC. | Capitol Heights | MD | — | ◇ UNVERIFIED |
| MWMetro Welding & Fabricating, INC. | Big Bend | WI | — | ◇ UNVERIFIED |
| MAMetso Automation USA INC Dba Stonel | Fergus Falls | MN | — | ◇ UNVERIFIED |
| MCMetzger Construction Company INC | Boonville | IN | — | ◇ UNVERIFIED |
| MPMetz Properties LLC | New River | AZ | — | ◇ UNVERIFIED |
| MCMeuth Construction Supply INC | Morganfield | KY | — | ◇ UNVERIFIED |
| MMMexia Main, East, and West Plants | Mexia | TX | — | ◇ UNVERIFIED |
| MHMexico Heating Co., INC. | Mexico | MO | — | ◇ UNVERIFIED |
| MMMeyco Machine & Tool INC | Fountain Valley | CA | — | ◇ UNVERIFIED |
| MLMeyerbrooks, LLC | Oregon | WI | — | ◇ UNVERIFIED |
| MDMfg Div | Tulsa | OK | — | ◇ UNVERIFIED |
| MRMfg. Resources, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| MFM & F Machine & Tool INC | Temperance | MI | — | ◇ UNVERIFIED |
| MCMfn Consulting INC Dba Designer Selections | Saint Paul | MN | — | ◇ UNVERIFIED |
| MDM&g Duravent, INC. | Albany | NY | — | ◇ UNVERIFIED |
| MMM.g. Manufacturing LLC | Blanding | UT | — | ◇ UNVERIFIED |
| MAMgm Auto Body INC | Framingham | MA | — | ◇ UNVERIFIED |
| MGMgs Group North America INC | Germantown | WI | — | ◇ UNVERIFIED |
| MMMgs Manufacturing Group | Libertyville | IL | — | ◇ UNVERIFIED |
 Mgt Manufacturing LLC | Springville | AL | — | ◇ UNVERIFIED |
| Mgt Manufacturing LLC | Springville | AL | — | ◇ UNVERIFIED |
| MHM & H Metal Specialties INC | Irving | TX | — | ◇ UNVERIFIED |
| MHM & H Metal Specialties, INC. | Dallas | TX | — | ◇ UNVERIFIED |
| MUMht USA LLC | Peachtree City | GA | — | ◇ UNVERIFIED |
| MVMiami Valley Manufacturing & Assembly, INC. | Dayton | OH | — | ◇ UNVERIFIED |
| MVMiami Valley Polishing, LLC | Piqua | OH | — | ◇ UNVERIFIED |
| MVMiami Valley Profinish LLC | Piqua | OH | — | ◇ UNVERIFIED |
| MSMiba Sinter Us, LLC | Mcconnelsville | OH | — | ◇ UNVERIFIED |
| MPMicalline Products INC | Columbia | SC | — | ◇ UNVERIFIED |
| MAMichael A. Melton (EPC) | Shelby | NC | — | ◇ UNVERIFIED |
| MBMichael Biss Woodworking LLC | Saratoga Springs | NY | — | ◇ UNVERIFIED |
| MBMichael Blankenship | Marysville | WA | — | ◇ UNVERIFIED |
| MDMichael Day Enterprises, LLC | Wadsworth | OH | — | ◇ UNVERIFIED |
| MEMichael E. Murphy and Erica L. Murphy Living Trust | Trabuco Canyon | CA | — | ◇ UNVERIFIED |
| MJMichael James Properties, LLC | Gainesville | GA | — | ◇ UNVERIFIED |
