| MFModern Fabricating INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| MFModern Faucet Mfg Company | Los Angeles | 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 |
| MMModern Mechanical Fabrication INC | Champlain | NY | — | ◇ UNVERIFIED |
| MCModineer Coatings Division South | South Bend | IN | — | ◇ UNVERIFIED |
 Modine Manufacturing CO | Clinton | TN | — | ◇ UNVERIFIED |
| MCModular Concepts INC | Burnsville | MN | — | ◇ UNVERIFIED |
| MMModular Mining Systems, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| MBMoenter Bilt Performance Engineering, LLC | Woodville | OH | — | ◇ UNVERIFIED |
| MMMoffat Mine Service INC. | Craig | CO | — | ◇ UNVERIFIED |
| MMMohawk Metal Company | Eugene | OR | — | ◇ UNVERIFIED |
| MMMolalla Machine Shop INC | Molalla | OR | — | ◇ UNVERIFIED |
| MIMoldcraft INC | Depew | NY | — | ◇ UNVERIFIED |
| MSMold Surface Textures INC | Kent | OH | — | ◇ UNVERIFIED |
| MIMoldworks INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| MMMolenda Machining | Concord | CA | — | ◇ UNVERIFIED |
| MMMolt Manufacturing, INC. | Spalding | NE | — | ◇ UNVERIFIED |
| MMMonalex Manufacturing, INC. | Douglas | MA | — | ◇ UNVERIFIED |
| MPMonitor Products INC | Hauppauge | NY | — | ◇ UNVERIFIED |
| MMMonovision Machine, LLC | Massillon | OH | — | ◇ UNVERIFIED |
| MCMonroe Custom Utility Bodies, INC. | Greenfield | IN | — | ◇ UNVERIFIED |
| MMMonroe Mold LLC | Monroe | MI | — | ◇ UNVERIFIED |
| MSMonroe Staffing Services, LLC | Hudson | MA | — | ◇ UNVERIFIED |
| MLMonrreal-Macias LLC | Bell Gardens | CA | — | ◇ UNVERIFIED |
| MMMontague Machine CO | Montague (turners Falls) | MA | — | ◇ UNVERIFIED |
| MTMontague Tool and Manufacturing Company | Clio | MI | — | ◇ UNVERIFIED |
| MFMontell Fabrication and Rebuild, LLC | Deming | NM | — | ◇ UNVERIFIED |
| MMMontel Metals | Jeffersonville | IN | — | ◇ 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 |
| MMMorales Motorsports | Daly City | CA | — | ◇ UNVERIFIED |
| MMMorehead Machining, INC. | Morehead | KY | — | ◇ UNVERIFIED |
| MMMorford Managers, LLC | Edgewood | NM | — | ◇ UNVERIFIED |
| MFMorgan Fabrication | Oklahoma City | OK | — | ◇ UNVERIFIED |
| MPMorgan Performance | Spring | TX | — | ◇ UNVERIFIED |
| MIMoritz International INC. (0370010048) | Mansfield | OH | — | ◇ UNVERIFIED |
| MIMorlin, INC. | Erie | PA | — | ◇ UNVERIFIED |
| MIMorrill Industries, INC | Escalon | CA | — | ◇ UNVERIFIED |
| MBMorris Building LLC | Loveland | CO | — | ◇ UNVERIFIED |
| MMMorris Machine & Welding, INC. | Baxley | GA | — | ◇ UNVERIFIED |
| MMMorris Metal Shaping LLC | Emeryville | CA | — | ◇ UNVERIFIED |
| MCMorrison Custom Welding, INC. | Wooster | OH | — | ◇ UNVERIFIED |
| MEMorrison Engineering & Machining INC | Tualatin | OR | — | ◇ UNVERIFIED |
| MMMortech Manufacturing | Azusa | CA | — | ◇ UNVERIFIED |
| MIMote INC Dba Allen Company | Minnetonka | MN | — | ◇ UNVERIFIED |
| MSMotive Systems Engineering CORP | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| MCMotor City Racks, LLC | Laurens | SC | — | ◇ UNVERIFIED |
| MTMotorsport Tech, INC. | Reno | NV | — | ◇ UNVERIFIED |
| MTMotorsport Tech, INC. | Sparks | NV | — | ◇ UNVERIFIED |
| MMMoundville Metal Works, INC | Moundville | AL | — | ◇ UNVERIFIED |
| MFMountaineer Fabricators INC | Nitro | WV | — | ◇ UNVERIFIED |
| MMMountaineer Machine & Hydraulics, INC. | Athens | WV | — | ◇ UNVERIFIED |
| MFMountain Forge Inc, the | Truckee | CA | — | ◇ UNVERIFIED |
| MPMountain Performance INC | Draper | UT | — | ◇ UNVERIFIED |
| MTMountain Town Machine CORP | Mount Sterling | KY | — | ◇ UNVERIFIED |
| MZMount Zion Machine LLC | Morgantown | IN | — | ◇ UNVERIFIED |
| MHMowdy Holdings LLC | Duncan | OK | — | ◇ UNVERIFIED |
| MWMpack Winthrop Corporation | Alsip | IL | — | ◇ UNVERIFIED |
| MCMpg Casting Technologies | Kingsford | MI | — | ◇ UNVERIFIED |
| MGMp & G Machine & Design, INC. | Lewiston | ME | — | ◇ UNVERIFIED |
| MPM. P. H. Industries, INC. | Gainesville | FL | — | ◇ UNVERIFIED |
| MMM.P.H. Metals Processing Inc. | Mechanicville | NY | — | ◇ UNVERIFIED |
| MMMp Magnetics | Fort Worth | TX | — | ◇ UNVERIFIED |
| MBMr. Bronze CO. LLC | Miami Springs | FL | — | ◇ UNVERIFIED |
| MRM Rodrigue & Son INC - Vacherie Plant | Vacherie | LA | — | ◇ UNVERIFIED |
| MPMr. Pin, Inc | Minneapolis | MN | — | ◇ UNVERIFIED |
| MLMsatt, LLC | Richmond | IL | — | ◇ 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 |
| MSM. Swift & Sons Gold Leaf | Hartford | CT | — | ◇ 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 |
| MSMulich Services LLC | Bonner Springs | KS | — | ◇ UNVERIFIED |
| MMMulti Molds, LLC | Canton | MI | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Hopkins | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC | Chisago City | MN | — | ◇ UNVERIFIED |
| MMMultisource Manufacturing LLC - Onamia | Onamia | MN | — | ◇ UNVERIFIED |
| MPMulti-spec Painting INC | Gardena | CA | — | ◇ UNVERIFIED |
| MCMunicipal Castings INC | Madison | MN | — | ◇ UNVERIFIED |
| MEMunicipal Equipment Exporters INC Dba Max-life Mfg | Stanton | CA | — | ◇ UNVERIFIED |
| MIMunroe, Incorporated | Pittsburgh | PA | — | ◇ UNVERIFIED |
| MLMurphree Leasing LLC | Bristol | WI | — | ◇ UNVERIFIED |
| MMMurphy Machine INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| MMMurphy Mechanical & Machine, LLC | Rushville | NY | — | ◇ UNVERIFIED |
| MGMurray Grinding-dearborn Hgts | Dearborn Heights | MI | — | ◇ UNVERIFIED |
| MIMurton INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| MMMushro Machine & Tool Works, Inc. | Streator | IL | — | ◇ UNVERIFIED |
| MTMuskogee Technology | Atmore | AL | — | ◇ UNVERIFIED |
| MMMust Machining & Fabrication LLC | Saint Helena | CA | — | ◇ UNVERIFIED |
| MIMVB Industries, Inc. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
