| MCMetal Components Plant 4 | Plainwell | MI | 20–99 | ● ACTIVE |
Metal Cutting Service USA LLC | Anaheim | CA | — | ● ACTIVE |
Metal Fabricators Plus LLC | Indianapolis | IN | — | ● ACTIVE |
Metal Fusion, INC. | Redwood City | CA | — | ● ACTIVE |
Metal Industries, INC. | Hartford | CT | — | ● ACTIVE |
Metal Integrity, INC. | Bellefonte | PA | — | ● ACTIVE |
Metal Machining LLC | Ogden | UT | — | ● ACTIVE |
Metalmasters | Brighton | CO | — | ● ACTIVE |
Metalpromo LLC | Austin | TX | — | ● ACTIVE |
Metals INC | Bedford | OH | — | ● ACTIVE |
Metaltech, INC. | Auburn | WA | — | ● ACTIVE |
Metal Workz L.l.c | Albany | KY | — | ● ACTIVE |
| MIMetalworx, INC. | Fayetteville | NC | — | ● ACTIVE |
Meta-tech Industries, INC. | Houston | TX | — | ● ACTIVE |
Method Manufacturing LLC | Austin | TX | — | ● ACTIVE |
Metri-tech Engineering, INC. | Huntington Beach | CA | — | ● ACTIVE |
| MHMetropolitan Home Improvement, INC. | Carolina | PR | — | ● ACTIVE |
| MSMetro Stamping & Manufacturing LLC | Haltom City | TX | — | ● ACTIVE |
Mettl LLC | Houston | TX | — | ● ACTIVE |
Metwerks LLC | Rapid City | SD | — | ● ACTIVE |
Meyer Tool & Manufacturing, INC. | Oak Lawn | IL | — | ● ACTIVE |
Meyer Utility Structures, LLC | Memphis | TN | — | ● ACTIVE |
Mgb Aero Fab LLC | Grand Prairie | TX | — | ● ACTIVE |
| MHM & H Engineering Co., INC. | Danvers | MA | 20–99 | ● ACTIVE |
Miami Feathers INC. | Miami | FL | — | ● ACTIVE |
Miami Nation Stronghold, LLC | Reston | VA | — | ● ACTIVE |
| MCMichael Cregan | Ojai | CA | — | ● ACTIVE |
Michael D Fisher | Vassalboro | ME | — | ● ACTIVE |
Michael G Munroe | Schenectady | NY | — | ● ACTIVE |
| MGMichael Graham Racing LLC | Titusville | FL | — | ● ACTIVE |
Michael R Gesellschap | Belle | MO | — | ● ACTIVE |
Michelle Callahan | Huntington Beach | CA | — | ● ACTIVE |
| MSMichelman Steel Enterprises LLC | Bethlehem | PA | 20–99 | ● ACTIVE |
| MCMichigan Cnc Tool, INC. | Whitmore Lake | MI | — | ● ACTIVE |
| MWMico Welding & Machining, INC. | Nine Mile Falls | WA | — | ● ACTIVE |
| MCMicroaeth Corporation | San Francisco | CA | — | ● ACTIVE |
Microcut, INC. | York | PA | — | ● ACTIVE |
Micro Facture LLC | Lancaster | PA | — | ● ACTIVE |
| MLMicroflux LLC | Parker | CO | — | ● ACTIVE |
Micro Instrument CORP. | Rochester | NY | — | ● ACTIVE |
Micro Logic, INC | Mahwah | NJ | — | ● ACTIVE |
Micro Machine & Electronics, INC. | Leominster | MA | — | ● ACTIVE |
Micron Applied Technologies, INC | Lewisville | TX | — | ● ACTIVE |
Micron Industries of Rochester INC | Rochester | NY | — | ● ACTIVE |
| MSMicro Steel, INC | Canoga Park | CA | — | ● ACTIVE |
Micro-tec, INC. | Canyon Country | CA | — | ● ACTIVE |
Microteq Engineering, INC | San Antonio | TX | — | ● ACTIVE |
| MCMicrowave Components Specialists, INC. | Orleans | MA | — | ● ACTIVE |
Mid-atlantic Rubber, INC | Fredericksbrg | VA | — | ● ACTIVE |
Middletown Industrial Technologies, LLC | Middletown | OH | — | ● ACTIVE |
Mid Michigan Mfg, LLC | Pinconning | MI | — | ● ACTIVE |
| MMMidway Machining INC | Marietta | OH | — | ● ACTIVE |
Midway Swiss Turn, INC. | Wooster | OH | — | ● ACTIVE |
Midwest Fabrication & Supply, LLC | Saint Paul | MN | — | ● ACTIVE |
Midwest Machining Solutions LLC | Saint Louis | MO | — | ● ACTIVE |
Midwest Precision LLC | Eastlake | OH | — | ● ACTIVE |
| MSMidwest Steel Works, INC | Lincoln | NE | 20–99 | ● ACTIVE |
Mikelson Machine Shop, INC. | S El Monte | CA | — | ● ACTIVE |
Milco Wire Edm, INC. | Huntington Beach | CA | — | ● ACTIVE |
Miller Metal Fabrication INC | Bridgeville | DE | — | ● ACTIVE |
Miller Products & Supply CO | Iron Mountain | MI | — | ● ACTIVE |
Miller Welding & Machine CO | Brookville | PA | — | ● ACTIVE |
Millipart, INC | Glendora | CA | — | ● ACTIVE |
Millworx Precision Machining, INC. | Corona | CA | — | ● ACTIVE |
Mimic Manufacturing, LLC | Heavener | OK | — | ● ACTIVE |
Minestone Construction LLC | Edison | NJ | — | ● ACTIVE |
Minic Precision, INC. | Spring Grove | IL | — | ● ACTIVE |
| MIMinimatics, INC | Morgan Hill | CA | 20–99 | ● ACTIVE |
| MMMin-max Machine LTD. | Ronkonkoma | NY | — | ● ACTIVE |
Minton & Roberson INC | Chesapeake | VA | — | ● ACTIVE |
Minus K Technology, INC | Inglewood | CA | — | ● ACTIVE |
Mitchell Metals, LLC | Marietta | GA | — | ● ACTIVE |
Mixer Direct INC | Jeffersonville | IN | — | ● ACTIVE |
Mjc-manufacturing LLC | Fargo | ND | — | ● ACTIVE |
| MFM&j Fabrication, INC. | Hartselle | AL | — | ● ACTIVE |
M & J Industries INC | Decatur | AL | — | ● ACTIVE |
Mkm Manufacturing & Design, INC. | Newbury Park | CA | — | ● ACTIVE |
Mma Purchaser INC | Bandera | TX | — | ● ACTIVE |
M & M Business Ventures LLC | Hurricane | UT | — | ● ACTIVE |
| MCMmg CORP | Ontario | CA | — | ● ACTIVE |
M&m Machining, INC. | Ventura | CA | — | ● ACTIVE |
M & M Sheet Metal, INC. | Williamsport | PA | — | ● ACTIVE |
Mobile Range Technologies LLC | Ringgold | TX | — | ● ACTIVE |
Mobil Steel International, INC. | Houston | TX | — | ● ACTIVE |
Model Products, INC. | Albuquerque | NM | — | ● ACTIVE |
Modern Machine Company | Tehachapi | CA | — | ● ACTIVE |
Modern Machine Works, INC. | Albany | OR | — | ● ACTIVE |
| MMModern Manufacturing, INC. | Cincinnati | OH | 20–99 | ● ACTIVE |
Modular Services Company | Oklahoma City | OK | — | ● ACTIVE |
Modulus Machine, LLC | Lebanon | OR | — | ● ACTIVE |
Modus Advanced INC. | Carlsbad | CA | — | ● ACTIVE |
Mojo Masters LLC | Vestal | NY | — | ● ACTIVE |
Mollet Machinery LLC | Glen Carbon | IL | — | ● ACTIVE |
Moll Machine Works, LLC. | Williamson | NY | — | ● ACTIVE |
Molnar Engineering, INC. | Chatsworth | CA | — | ● ACTIVE |
Monarc Holdings, INC | Rochester | NY | — | ● ACTIVE |
Monnig Welding, LLC | Cincinnati | OH | — | ● ACTIVE |
Monsees Tool & Die INC | Rochester | NY | — | ● ACTIVE |
Montgomery Precision LLC | Huntingdon Valley | PA | — | ● ACTIVE |
Montoya's Ornamental Ironworks LLC | Tucson | AZ | — | ● ACTIVE |