| MCMitsubishi Chemical Advanced Materials | Stockton | CA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Carbon Fiber and Composites, INC. | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MDMixed Dimensions | San Mateo | CA | — | ◇ UNVERIFIED |
| MCMJCA Companies, LLC | Blaine | MN | — | ◇ UNVERIFIED |
| MMMjj Machine Shop | Mission | TX | — | ◇ UNVERIFIED |
| MEMJLJ Enterprises, LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| MJM. J. Machine, INC. | Bridgewater | MA | — | ◇ UNVERIFIED |
 Mjm Manufacturing Solutions INC | Swansea | MA | — | ◇ UNVERIFIED |
| MMMkc Machine & Fab, INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| MSMkg Single Family Subdivision | Nazareth | PA | — | ◇ UNVERIFIED |
| MSMK Services Corp. | Middleton | MA | — | ◇ UNVERIFIED |
| MIMks Instruments INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| MLM - L Industries INC | Rogers | MN | — | ◇ UNVERIFIED |
| MMM & M Certified Welding, INC. | Macedonia | OH | — | ◇ UNVERIFIED |
| MGMM Group 1 LLC | Morgan Hill | CA | — | ◇ UNVERIFIED |
| MMM & M Hydraulic CO | Roseville | MN | — | ◇ UNVERIFIED |
| MMmi | Sonora | CA | — | ◇ UNVERIFIED |
| MPMmi Precision LLC | Ramsey | MN | — | ◇ UNVERIFIED |
| MMMmj Machining and Fabricating, INC. | Randleman | NC | — | ◇ UNVERIFIED |
| MMM & M Machining | Salinas | CA | — | ◇ UNVERIFIED |
| MQM&m Quality Grinding | Hodgkins | IL | — | ◇ UNVERIFIED |
| MMM & M Tooling Inc | Patillas | PR | — | ◇ UNVERIFIED |
| MIModacam, Incorporated | Denver | NC | — | ◇ 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 |
| MPModern Plastics CORP. | Wilkes Barre | PA | — | ◇ UNVERIFIED |
| MPModern Plastics Recovery, INC. | Haviland | OH | — | ◇ UNVERIFIED |
| MCModular Concepts INC | Burnsville | MN | — | ◇ UNVERIFIED |
| MBMoenter Bilt Performance Engineering, LLC | Woodville | OH | — | ◇ UNVERIFIED |
| MMMolalla Machine Shop INC | Molalla | OR | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass - Muskrat | Adelanto | CA | — | ◇ UNVERIFIED |
| MMMolenda Machining | Concord | CA | — | ◇ UNVERIFIED |
| MAMolten (north America) CORP (0332010080) | Findlay | OH | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials | Madera | CA | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials | Waterford | NY | — | ◇ UNVERIFIED |
| MPMomentive Performance Materials USA LLC | Chino | CA | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | High Point | NC | — | ◇ UNVERIFIED |
| MMMonalex Manufacturing, INC. | Douglas | MA | — | ◇ UNVERIFIED |
| MPMondo Polymer Technologies, INC. | Marietta | OH | — | ◇ UNVERIFIED |
| MMMonovision Machine, LLC | Massillon | OH | — | ◇ UNVERIFIED |
| MMMonroe Mold LLC | Monroe | MI | — | ◇ UNVERIFIED |
| MTMontague Tool and Manufacturing Company | Clio | MI | — | ◇ UNVERIFIED |
| MPMonterey Penn Usd | Seaside | CA | — | ◇ 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 Family Enterprises, LLC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MMMorales Motorsports | Daly City | CA | — | ◇ UNVERIFIED |
| MMMorford Managers, LLC | Edgewood | NM | — | ◇ UNVERIFIED |
| MIMorlin, INC. | Erie | PA | — | ◇ UNVERIFIED |
| MBMorris Building LLC | Loveland | CO | — | ◇ UNVERIFIED |
| MMMorris Machine & Welding, INC. | Baxley | GA | — | ◇ UNVERIFIED |
| MCMorrison Custom Welding, INC. | Wooster | OH | — | ◇ UNVERIFIED |
| MEMorrison Engineering & Machining INC | Tualatin | OR | — | ◇ UNVERIFIED |
| MIMorton Intl INC | Seabrook | NH | — | ◇ UNVERIFIED |
| MIMote INC Dba Allen Company | Minnetonka | MN | — | ◇ UNVERIFIED |
| MSMotive Systems Engineering CORP | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| MTMotorsport Tech, INC. | Reno | NV | — | ◇ UNVERIFIED |
| MTMotorsport Tech, INC. | Sparks | NV | — | ◇ UNVERIFIED |
| MMMoundville Metal Works, INC | Moundville | AL | — | ◇ UNVERIFIED |
| MMMountaineer Machine & Hydraulics, INC. | Athens | WV | — | ◇ UNVERIFIED |
| MPMountain Peak Vinyl | Salt Lake City | UT | — | ◇ UNVERIFIED |
| MTMountain Town Machine CORP | Mount Sterling | KY | — | ◇ UNVERIFIED |
| MPMountainview Products LLC | Gresham | OR | — | ◇ UNVERIFIED |
| MZMount Zion Machine LLC | Morgantown | IN | — | ◇ UNVERIFIED |
| MHMowdy Holdings LLC | Duncan | OK | — | ◇ UNVERIFIED |
| MGMp & G Machine & Design, INC. | Lewiston | ME | — | ◇ UNVERIFIED |
| MPM. P. H. Industries, INC. | Gainesville | FL | — | ◇ UNVERIFIED |
| MOMrc Operations, LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MRM Rodrigue & Son INC - Vacherie Plant | Vacherie | LA | — | ◇ UNVERIFIED |
| MPMr. Pin, Inc | Minneapolis | MN | — | ◇ UNVERIFIED |
| MSM - S Automated Feeding Systems INC | Burnsville | MN | — | ◇ UNVERIFIED |
| MLMsjc, LLC | Village of Menomonee Falls | WI | — | ◇ UNVERIFIED |
| MTMSK Tool & Die, Inc. | Avon Lake | OH | — | ◇ UNVERIFIED |
| MPM&S Precision Machine Co. | Queensbury | NY | — | ◇ UNVERIFIED |
| MGMt Geo-tech Tools, LLC | Houston | TX | — | ◇ UNVERIFIED |
| MMMTS Manufacturing, Inc. | New Richmond | WI | — | ◇ UNVERIFIED |
| MMMTTI Manufacturing Group, LLC | Greenville | SC | — | ◇ UNVERIFIED |
| MIMueller Industries, L.L.C. | Saint Louis | MO | — | ◇ UNVERIFIED |
| MNMulcahy Nickolaus | Oakdale | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Chisago City | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Hopkins | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC - Onamia | Onamia | MN | — | ◇ UNVERIFIED |
| MEMunicipal Equipment Exporters INC Dba Max-life Mfg | Stanton | CA | — | ◇ UNVERIFIED |
| MMMurphy Machine INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| MMMurphy Mechanical & Machine, LLC | Rushville | NY | — | ◇ UNVERIFIED |
| MIMurton INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| MSMuseum Services Corporation | South Saint Paul | MN | — | ◇ UNVERIFIED |
| MMMushro Machine & Tool Works, Inc. | Streator | IL | — | ◇ UNVERIFIED |
| MMMust Machining & Fabrication LLC | Saint Helena | CA | — | ◇ UNVERIFIED |
| MIMVB Industries, Inc. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| MWM & W Manufacturing INC | Iola | KS | — | ◇ UNVERIFIED |
| MSMW Solutions LLC | Defiance | OH | — | ◇ UNVERIFIED |
| MIMycoworks INC | Emeryville | CA | — | ◇ UNVERIFIED |
| MFMyhr Fabrication INC | Alexandria | MN | — | ◇ UNVERIFIED |
| MEMystique Engineering & Manufac | Marysville | WA | — | ◇ UNVERIFIED |
| NWNaff Welding INC | Henry | VA | — | ◇ UNVERIFIED |
