| MFMet Fab International, INC. | Waynesboro | VA | — | ◇ UNVERIFIED |
| MLMetkote Laminated Prod/taylor Plt | Taylor | PA | — | ◇ UNVERIFIED |
| MIMet-l-fab INC | Londonderry | NH | — | ◇ UNVERIFIED |
| MIMetl-fab, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| MAMetl-span a Division of Nci Group INC | Mattoon | IL | — | ◇ UNVERIFIED |
| MAMetl-span a Div of Nci Group INC | Jackson | MS | — | ◇ UNVERIFIED |
| MMMetro Metal Supply, INC. | Denver | CO | — | ◇ UNVERIFIED |
| MSMetroplex Sheet Metal II LLC | Garland | TX | — | ◇ UNVERIFIED |
| MSMetro Screenworks, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| MTMetro Test and Balance, INC. | Capitol Heights | MD | — | ◇ UNVERIFIED |
| MHMexico Heating Co., INC. | Mexico | MO | — | ◇ UNVERIFIED |
| MRMfg. Resources, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| MDM&g Duravent, INC. | Albany | NY | — | ◇ UNVERIFIED |
| MIMgm Industries Incorporated | Hendersonville | TN | — | ◇ UNVERIFIED |
| MWMgm Window CO INC | Hendersonville | TN | — | ◇ UNVERIFIED |
| MRMG Repair Services, Inc | Opa Locka | FL | — | ◇ UNVERIFIED |
| MHM & H Metal Specialties INC | Irving | TX | — | ◇ UNVERIFIED |
| MHM & H Metal Specialties, INC. | Dallas | TX | — | ◇ UNVERIFIED |
| MWMiami Wall Systems, INC. | Hialeah | FL | — | ◇ UNVERIFIED |
| MHMiba Hydramechanica Corporation | Sterling Hts | MI | — | ◇ UNVERIFIED |
| MAMichael A. Melton (EPC) | Shelby | NC | — | ◇ UNVERIFIED |
| MDMichael D. Schoeneman | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| MMMicra Manufacturing | Hugo | MN | — | ◇ UNVERIFIED |
| MMMicro Metals | Colorado Springs | CO | — | ◇ UNVERIFIED |
| MAMid America Precision Products | Stella | MO | — | ◇ UNVERIFIED |
| MCMid Central Door Company INC | Waite Park | MN | — | ◇ UNVERIFIED |
| MLMidget Louver | Milford | CT | — | ◇ UNVERIFIED |
| MGMidland Garage Door Manufacturing Company | Chaska | MN | — | ◇ UNVERIFIED |
| MGMidland Garage Door Manufacturing Company | West Fargo | ND | — | ◇ UNVERIFIED |
| MMMid-ohio Mechanical, INC. | Columbus | OH | — | ◇ UNVERIFIED |
| MSMid State Fabricating INC | Blaine | MN | — | ◇ UNVERIFIED |
| MCMidwest Curtainwalls | Cuyahoga Heights | OH | — | ◇ UNVERIFIED |
 Midwest Fabrication & Supply LLC Dba Superior Air | Zumbrota | MN | — | ◇ UNVERIFIED |
| MFMidwest Fabrication & Welding, LLC | Tipton | IA | — | ◇ UNVERIFIED |
| MIMidwest Industrial Metals | Northlake | IL | — | ◇ UNVERIFIED |
| MKMidwest Knifemaker LLC | Mankato | MN | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Sullivan | MO | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Holiday City | OH | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing and Distributing, INC. Dba Midwest Metal Forming | Chicago | IL | — | ◇ UNVERIFIED |
| MMMidwest Metal Works, Inc. | New Albany | IN | — | ◇ UNVERIFIED |
| MWMidwest Window and Door | Springfield | MO | — | ◇ UNVERIFIED |
| MDMike & Den Property Management, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| MMMi-kee-tro Metal Manufacturing, INC. | York | PA | — | ◇ UNVERIFIED |
| MRMike Ray Manufacturing, INC. | Spring | TX | — | ◇ UNVERIFIED |
| MFMikes Fabricating Incorporated | Moody | AL | — | ◇ UNVERIFIED |
| MBMilco Building Products, INC. | Swainsboro | GA | — | ◇ UNVERIFIED |
| MMMilgard Manufacturing INC | Temecula | CA | — | ◇ UNVERIFIED |
| MMMilgard Mfg INC | Tacoma | WA | — | ◇ UNVERIFIED |
| MDMillennium Doors and Windows Inc | Isabela | PR | — | ◇ UNVERIFIED |
| MDMillennium Doors and Windows Inc. | Isabela | PR | — | ◇ UNVERIFIED |
| MWMillers Welding and Fabrication INC | West Point | KY | — | ◇ UNVERIFIED |
| MMMilliken Millwork INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
| MSMinneapolis Sheeet Metal INC | New Brighton | MN | — | ◇ UNVERIFIED |
| MMMiramar Mfg, INC. | Ventura | CA | — | ◇ UNVERIFIED |
| MMMisa Metal Fabricating INC | Pleasure Ridge Park | KY | — | ◇ UNVERIFIED |
| MIMish-Ra, Inc. | Santa Clara | CA | — | ◇ UNVERIFIED |
| MSMississippi Steel Processing, LLC | Columbus | MS | — | ◇ UNVERIFIED |
| MMMitten Metal LLC | Hemlock | MI | — | ◇ UNVERIFIED |
| MWMi Windows and Doors | Carrollton | TX | — | ◇ UNVERIFIED |
| MWMi Windows & Doors LLC | Brazil | IN | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Clackamas | OR | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Portland | OR | — | ◇ UNVERIFIED |
| MIMj Industries | Georgetown | MA | — | ◇ UNVERIFIED |
| MCMk Custom Fabrication | Elizabeth | CO | — | ◇ UNVERIFIED |
| MSM&K Screens LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| MLM L P Mfg INC | Spring Lake | MI | — | ◇ UNVERIFIED |
| MMM & M Extendo LLC | Boise | ID | — | ◇ UNVERIFIED |
| MMM & M EXTENDO LLC dba Extendo Bed | Eagle | ID | — | ◇ UNVERIFIED |
| MMM & M Manufacturing | Fort Worth | TX | — | ◇ UNVERIFIED |
| MMM & M Mfg | Garland | TX | — | ◇ UNVERIFIED |
| MSMmp Sheet Metal INC | La Habra | CA | — | ◇ UNVERIFIED |
| MMM & M Sheet Metal and Rain Gutters | Canyon Country | CA | — | ◇ UNVERIFIED |
| MIMndustries, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| MMMnm Manufacturing | Compton | CA | — | ◇ UNVERIFIED |
| MMMobile Mini, INC | Carson | CA | — | ◇ UNVERIFIED |
| MMMobile Mini - Maricopa Manufacturing Facility | Maricopa | AZ | — | ◇ UNVERIFIED |
| MMMobile Mini Storage Systems | Rialto | CA | — | ◇ UNVERIFIED |
| MVModern-aire Ventilating INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| MDModern Door Corportation | Walkerton | IN | — | ◇ UNVERIFIED |
| MSModern Solutions of Bay County, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| MTModern Tool INC | Coon Rapids | MN | — | ◇ UNVERIFIED |
| MIMods International | Appleton | WI | — | ◇ UNVERIFIED |
| MFModular Fabrication Incorporated | Dayton | OH | — | ◇ UNVERIFIED |
| MMModular Metal Fabricators INC | Moreno Valley | CA | — | ◇ UNVERIFIED |
| MMModular Mini Storage INC | Tualatin | OR | — | ◇ UNVERIFIED |
| MIModutek International LLC | Soperton | GA | — | ◇ UNVERIFIED |
| MOM - O Fabricating INC | Rice | MN | — | ◇ UNVERIFIED |
| MEMold Eliminators of Florida, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| MTMolding Technologies, INC | Hebron | OH | — | ◇ UNVERIFIED |
| MHMonarch HVAC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MMMonarch Metal Manufacturing, INC. | Denver | CO | — | ◇ UNVERIFIED |
| MWMonda Window & Door, CORP. | Chicago | IL | — | ◇ UNVERIFIED |
| MHMonessen Hearth Systems | Paris | KY | — | ◇ UNVERIFIED |
| MMMongoose Metals INC | Salem | OR | — | ◇ UNVERIFIED |
| MIMonitor INC | Sherman | TX | — | ◇ UNVERIFIED |
| MPMonroe Piping & Sheet Metal | Webster | NY | — | ◇ UNVERIFIED |
| MWMontgomery Window Products Co. | Frederick | MD | — | ◇ UNVERIFIED |
| MMMoonlight Manufacturing, INC. | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| MDMoore Dp, LLC | Lexington | KY | — | ◇ UNVERIFIED |
| MMMoreng Metal Products | Totowa | NJ | — | ◇ UNVERIFIED |
