| MSMid State Fabricating INC | Blaine | MN | — | ◇ UNVERIFIED |
 Midwest Fabrication & Supply LLC Dba Superior Air | Zumbrota | MN | — | ◇ UNVERIFIED |
| MIMidwest Industrial Metals | Northlake | IL | — | ◇ UNVERIFIED |
| MKMidwest Knifemaker LLC | Mankato | MN | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing and Distributing, INC. Dba Midwest Metal Forming | Chicago | IL | — | ◇ UNVERIFIED |
| MMMidwest Metal Works, Inc. | New Albany | IN | — | ◇ 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 |
| MWMillers Welding and Fabrication INC | West Point | KY | — | ◇ UNVERIFIED |
| MSMinneapolis Sheeet Metal INC | New Brighton | MN | — | ◇ UNVERIFIED |
| MSMississippi Steel Processing, LLC | Columbus | MS | — | ◇ UNVERIFIED |
| MMMitten Metal LLC | Hemlock | MI | — | ◇ 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 |
| 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 |
| MVModern-aire Ventilating INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| MSModern Solutions of Bay County, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| MTModern Tool INC | Coon Rapids | MN | — | ◇ UNVERIFIED |
| MMModular Metal Fabricators INC | Moreno Valley | CA | — | ◇ 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 |
| MMMongoose Metals INC | Salem | OR | — | ◇ UNVERIFIED |
| MPMonroe Piping & Sheet Metal | Webster | NY | — | ◇ UNVERIFIED |
| MMMoonlight Manufacturing, INC. | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| MDMoore Dp, LLC | Lexington | KY | — | ◇ UNVERIFIED |
| MMMoreng Metal Products | Totowa | NJ | — | ◇ UNVERIFIED |
| MSMountain States Sheet Metal | Pueblo | CO | — | ◇ UNVERIFIED |
| MIMrl Industries | Itasca | IL | — | ◇ UNVERIFIED |
| MIMrs Industrial, INC | Columbus | OH | — | ◇ UNVERIFIED |
| MIMsm Industries Incorporated | North Reading | MA | — | ◇ UNVERIFIED |
| MSMsm Sheet Metal | Sparks | NV | — | ◇ UNVERIFIED |
| MCMssm CORP | Pueblo Area | CO | — | ◇ UNVERIFIED |
| MPMtg Precision Sheet Metal | Pembroke | MA | — | ◇ UNVERIFIED |
| MHMTN Holdings LLC | Dover | NH | — | ◇ UNVERIFIED |
| MDMunters Des Champs | Buena Vista | VA | — | ◇ UNVERIFIED |
