| LFLyons Fred D | Yorktown Heights | NY | — | ◇ UNVERIFIED |
| LTLyons Tool & Engineering INC | Warren | MI | — | ◇ UNVERIFIED |
| MIMachine Industries INC | Chippewa Falls | WI | — | ◇ UNVERIFIED |
| MMMachine Master, INC. | Arvada | CO | — | ◇ UNVERIFIED |
| MPMagdic Precision Tooling | North Versailles | PA | — | ◇ UNVERIFIED |
| MTMainelli Tool and Die | Providence | RI | — | ◇ UNVERIFIED |
| MTMandarin Tool & Die, INC. | Saint Augustine | FL | — | ◇ UNVERIFIED |
| MTMandarin Tool & Die, INC. | Hastings | FL | — | ◇ UNVERIFIED |
| MIManess, INC. | Martin | TN | — | ◇ UNVERIFIED |
| MMMaple Mold Technologies | Auburn Hills | MI | — | ◇ UNVERIFIED |
| MCMark Carbide Company | Hazel Park | MI | — | ◇ UNVERIFIED |
| MCMars Company | Ocala | FL | — | ◇ UNVERIFIED |
| MTMar-vel Tool CO. | Dayton | OH | — | ◇ UNVERIFIED |
| MHMason Header Die | Mason | MI | — | ◇ UNVERIFIED |
| MCMaster Craft Extrusion Tools INC | Northport | MI | — | ◇ UNVERIFIED |
| MTMasterform Tool Company | Franklin Park | IL | — | ◇ UNVERIFIED |
| MDMathias Die Company, Inc. | Golden Valley | MN | — | ◇ UNVERIFIED |
| MDMathias Die Company INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMatt's Metal Stitch LLC | Hamburg | NY | — | ◇ UNVERIFIED |
| MUMax USA CORP | Tustin | CA | — | ◇ UNVERIFIED |
| MCMcroy & Co. LLC. | Flagstaff | AZ | — | ◇ UNVERIFIED |
| MCMcRoy & Co. LLC | Flagstaff | AZ | — | ◇ UNVERIFIED |
| MTMekra Tool and Mold LLC | Ridgeway | SC | — | ◇ UNVERIFIED |
| MIMetalon Industries INC | Croswell | MI | — | ◇ UNVERIFIED |
| MPMetal Punch Corporation | Cadillac | MI | — | ◇ UNVERIFIED |
| MQMetal Quest INC | Portland | TN | — | ◇ UNVERIFIED |
| MTMet-pro Technologies, LLC | Telford | PA | — | ◇ UNVERIFIED |
| MMMetro Mold & Design LLC - Building 1 | Rogers | MN | — | ◇ UNVERIFIED |
| MFM & F Machine & Tool INC | Temperance | MI | — | ◇ UNVERIFIED |
| MEMichalski Enterprises INC Dba Tool Craft | Lansing | MI | — | ◇ UNVERIFIED |
| MMMicron Machine CO | Poway | CA | — | ◇ UNVERIFIED |
| MPMicron Precision, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| MIMicrotenths INC Dba Detail Tool & Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
| MTMidland Technologies INC | Otsego | MN | — | ◇ UNVERIFIED |
| MMMid-Michigan Machine Tool, LLC | Gladwin | MI | — | ◇ UNVERIFIED |
| MFMidwest Forging Die Dba Water Works of Rockford | Rockford | IL | — | ◇ UNVERIFIED |
| MMMidwest Machining INC Dba Self Lube Mold and Die Components | Coopersville | MI | — | ◇ UNVERIFIED |
| MSMidwest Steel Rule Cutting Die, INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
 Milwaukee Electric Tool Corporation | Blytheville | AR | — | ◇ UNVERIFIED |
| MTMilwaukee Tool Red Line | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| MTMilwaukee Tool - West Bend | West Bend | WI | — | ◇ UNVERIFIED |
| MCMission Custom Extrusions INC | Fontana | CA | — | ◇ UNVERIFIED |
| MIMjolnir Industries, LLC | Oxnard | CA | — | ◇ UNVERIFIED |
| MTMk Tooling INC | Portland | OR | — | ◇ UNVERIFIED |
| MAMmgc Acquisition, LLC | Elmhurst | IL | — | ◇ UNVERIFIED |
| MJM&m Jig Grinding INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| MCMotor City Racks | Gaffney | SC | — | ◇ UNVERIFIED |
| MRM R Mold & Engineering Corporation | Brea | CA | — | ◇ UNVERIFIED |
| MSM S Willett INC | Cockeysville | MD | — | ◇ UNVERIFIED |
| MMMueller Machine & Tool CO | Saint Louis | MO | — | ◇ UNVERIFIED |
