| LMLunar Marine LLC | Prospect Hill | NC | — | ◇ UNVERIFIED |
| LTLunar Tool LLC | Saint Louis | MO | — | ◇ UNVERIFIED |
| LTLunar Tool & Mold INC | North Royalton | OH | — | ◇ UNVERIFIED |
| LSLundeen Steel Fabrication INC | Sandy | OR | — | ◇ UNVERIFIED |
| LILur INC Dba Lumar Metals | Pomona | CA | — | ◇ UNVERIFIED |
| LCLuther Collision & Glass- St. Paul | South Saint Paul | MN | — | ◇ UNVERIFIED |
| LMLux Manufacturing INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| LSLuxury Sink Products CORP | Anaheim | CA | — | ◇ UNVERIFIED |
| LGLuz Gauna Sanchez an Individual | Woodland | CA | — | ◇ UNVERIFIED |
| LCLynar Corporation | Allentown | PA | — | ◇ UNVERIFIED |
| LNLyn Nudd | Manitowoc | WI | — | ◇ UNVERIFIED |
| LILyons Industries INC. | Ebensburg | PA | — | ◇ UNVERIFIED |
| LTLyons Tool and Machine INC. | Lyons | GA | — | ◇ UNVERIFIED |
| LILysander, Inc | Columbia | SC | — | ◇ UNVERIFIED |
| LILysander, Inc | Columbia | SC | — | ◇ UNVERIFIED |
| MMM2 Modern Metal, LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| MRMaas Radiator Shop INC | Bloomington | IL | — | ◇ UNVERIFIED |
| MAMacadam Aluminum & Bronze CO | Portland | OR | — | ◇ UNVERIFIED |
| MFMacaulay Foundry INC | Berkeley | CA | — | ◇ UNVERIFIED |
| MAMachine and Fabrication Indust | Kent | WA | — | ◇ UNVERIFIED |
| MAMachine and Hydraulics, INC. | Gardendale | AL | — | ◇ UNVERIFIED |
| MCMachine Casting INC | Melrose | MN | — | ◇ UNVERIFIED |
| MCMachine Craft Northwest INC | Lebanon | OR | — | ◇ UNVERIFIED |
| MCMachine Craft San Diego | San Diego | CA | — | ◇ UNVERIFIED |
| MDMachine Design Services, Inc. | South Hutchinson | KS | — | ◇ UNVERIFIED |
| MMMachined Metals Manufacturing, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MDMachine Dynamics Ultra Precision Cnc Machining, INC. | Westminster | CA | — | ◇ UNVERIFIED |
| MLMachine+ LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MPMachine Pro Technologies, INC. | Celina | OH | — | ◇ UNVERIFIED |
| MMMachinery Manufacturer LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| MSMachinery Spare Parts & Supplies INC | Independence | MO | — | ◇ UNVERIFIED |
 Machine Tech, INC. | Adel | GA | — | ◇ UNVERIFIED |
| MTMachine Technology, INC. | Fenton | MO | — | ◇ UNVERIFIED |
| MTMachine Tool Design & Fab LLC | Fostoria | OH | — | ◇ UNVERIFIED |
| MTMachine Tool Masters, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| MTMachine Tool Technologies Research Foundation | Berkeley | CA | — | ◇ UNVERIFIED |
 Machineworks Manufacturing | Chatsworth | CA | — | ◇ UNVERIFIED |
| MWMachine Worx of Cincinnati | Cincinnati | OH | — | ◇ UNVERIFIED |
| MMachinex | Bensenville | IL | — | ◇ UNVERIFIED |
| MIMachinex INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| MCMachining & Coating Specialists, INC. | Leeds | AL | — | ◇ UNVERIFIED |
| MCMachining Concepts, Inc. | Cambridge | MN | — | ◇ UNVERIFIED |
| MSMachining Specialists, INC. | Pearland | TX | — | ◇ UNVERIFIED |
 Machining Technologies INC | Long Lake | MN | — | ◇ UNVERIFIED |
| Machining Technologies LLC | Webster | MA | — | ◇ UNVERIFIED |
| MWMachining - Welding By Olsen INC | Cokato | MN | — | ◇ UNVERIFIED |
| MGMachinists Group Corporation | Gilroy | CA | — | ◇ UNVERIFIED |
| MIMachinists INC | Seattle | WA | — | ◇ UNVERIFIED |
| MMachmotion | Newburg | MO | — | ◇ UNVERIFIED |
| MLMachprop LLC | Everett | WA | — | ◇ UNVERIFIED |
