| MEMetals Engineering Corporation | Greeneville | TN | — | ◇ UNVERIFIED |
| MMetrie | Ferndale | WA | — | ◇ UNVERIFIED |
| MTMetrolink Transit | Rock Island | IL | — | ◇ UNVERIFIED |
| MAMetropolis Airport | Metropolis | IL | — | ◇ UNVERIFIED |
| MPMetropolitan Pier & Exposition Authority | Chicago | IL | — | ◇ UNVERIFIED |
| MWMetropolitan Woodwork | Springfield | NJ | — | ◇ UNVERIFIED |
| MMMeyer Materials CO | Crystal Lake | IL | — | ◇ UNVERIFIED |
| MWMf Wiggins LLC | Wiggins | MS | — | ◇ UNVERIFIED |
| MPMh Parks CO | Winchendon | MA | — | ◇ UNVERIFIED |
| MSMica Shop, INC. | Goshen | IN | — | ◇ UNVERIFIED |
| MCMichael's CO | Sacramento | CA | — | ◇ UNVERIFIED |
| MCMichels & CO Furniture Mfg | Lynwood | CA | — | ◇ UNVERIFIED |
| MPMichigan Prestain | Wyoming | MI | — | ◇ UNVERIFIED |
| MTMichigan Tube Swagers Mts Seating INC | Temperance | MI | — | ◇ UNVERIFIED |
| MWMichigan Wood Fuels LLC | Holland | MI | — | ◇ UNVERIFIED |
| MAMicrotron Abrasives, INC. | Pineville | NC | — | ◇ UNVERIFIED |
| MAMid America Frame Incorporated | Plattsburg | MO | — | ◇ UNVERIFIED |
| MAMid America Sand & Gravel CO | Champaign | IL | — | ◇ UNVERIFIED |
| MAMid America Sand & Gravel CO | Mahomet | IL | — | ◇ UNVERIFIED |
| MCMid Continent Cabinetry | Newton | KS | — | ◇ UNVERIFIED |
| MRMiddleboro Recycling | Middleborough | MA | — | ◇ UNVERIFIED |
| MMMiddletons Mouldings | Coldwater | MI | — | ◇ UNVERIFIED |
| MMMiddletons Mouldings | Bronson | MI | — | ◇ UNVERIFIED |
| MSMid South Custom Cabinets | Smyrna | TN | — | ◇ UNVERIFIED |
| MAMidway Airport Amc Buildings | Chicago | IL | — | ◇ UNVERIFIED |
| MCMidwest Cement Products | Woosung | IL | — | ◇ UNVERIFIED |
| MCMidwest Custom Cabinetry & Woodworking | Abramsabrams | WI | — | ◇ UNVERIFIED |
| MEMidwest Electronic | Ellsworth | IL | — | ◇ UNVERIFIED |
| MFMidwest Folding Products | Chicago | IL | — | ◇ UNVERIFIED |
| MMMidwest Mfg Prehung Plant | Eau Claire | WI | — | ◇ UNVERIFIED |
| MRMidwest Rem Enterprises INC | Chicago | IL | — | ◇ UNVERIFIED |
| MSMidwest Sanitary Service INC | Wood River | IL | — | ◇ UNVERIFIED |
| MSMidwest Soil Remediation | Lockport | IL | — | ◇ UNVERIFIED |
| MVMidwest Veneer & Pressing INC | Wyoming | MN | — | ◇ UNVERIFIED |
| MWMidwest Woodworking INC. | La Cygne | KS | — | ◇ UNVERIFIED |
| MCMielach Company | Edison | NJ | — | ◇ UNVERIFIED |
| MFMike Fuhrman, Village President | Waynesville | IL | — | ◇ UNVERIFIED |
| MWMike's Woodworking INC | Bardstown | KY | — | ◇ UNVERIFIED |
| MRMilam Recycling & Disposal | East Saint Louis | IL | — | ◇ UNVERIFIED |
 Milford Enterprises Mfg | Quakertown | PA | — | ◇ UNVERIFIED |
| MMMilgard Manufacturing INC Fiberglass | Fife | WA | — | ◇ UNVERIFIED |
| MWMilgard Windows | Sacramento | CA | — | ◇ UNVERIFIED |
| MFMillcreek Finishing Dba Ohio Valley Finishing | Fresno | OH | — | ◇ UNVERIFIED |
| MCMill Creek Lumber Dba Wood Systems INC / Wood Systems Tulsa Facility | Tulsa | OK | — | ◇ UNVERIFIED |
| MFMillender Furniture Company | Burlington | NC | — | ◇ UNVERIFIED |
| MCMiller & Company INC | Selma | AL | — | ◇ UNVERIFIED |
| MDMiller Door and Trim, INC. | Goshen | IN | — | ◇ UNVERIFIED |
| MDMiller Door & Trim Incorporated | Goshen | IN | — | ◇ UNVERIFIED |
| MHMillers Holzwerk | Tuscola | IL | — | ◇ UNVERIFIED |
| MMMinee Monesse Golf Course | Momence | IL | — | ◇ UNVERIFIED |
 Mini Systems Incorporated | Plainville | MA | — | ◇ UNVERIFIED |
| MSMinnesota Sawdust & Shavings CO INC | Sauk Centre | MN | — | ◇ UNVERIFIED |
| MVMinton Ventures, LLC | Lenoir | NC | — | ◇ UNVERIFIED |
| MCMinzner & CO | Easton | PA | — | ◇ UNVERIFIED |
| MFMissouri Fibre Corporation Chip Mill | Scott City | MO | — | ◇ UNVERIFIED |
| MMMissouri Meerschaum Company | Washington | MO | — | ◇ UNVERIFIED |
| MCMitchell Container Services INC | Saraland | AL | — | ◇ UNVERIFIED |
| MMMitchell Moulding CO | Forest Park | IL | — | ◇ UNVERIFIED |
| MWMi Windows and Doors LLC | Simi Valley | CA | — | ◇ UNVERIFIED |
| MLMixonsite LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MAMizzonis Auto Body INC. | Lodi | NJ | — | ◇ UNVERIFIED |
| MFMj Finishing | Bremen | IN | — | ◇ UNVERIFIED |
| MLM & L Oil CO INC | Cisne | IL | — | ◇ UNVERIFIED |
| MMM & M Moulders, Div of Grandview Products | Cherryvale | KS | — | ◇ UNVERIFIED |
| MIMobel INC | Ferdinand | IN | — | ◇ UNVERIFIED |
| MWMobilcraft Wood Products | Elkhart | IN | — | ◇ UNVERIFIED |
| MDModern Door and Millwork INC | Tacoma | WA | — | ◇ UNVERIFIED |
| MFModern Fixture CO | Denver | CO | — | ◇ UNVERIFIED |
| MIModern Industries INC. | Providence | RI | — | ◇ UNVERIFIED |
| MPModern Plastics Div of Toledo Furniture/wilkes Barre | Wilkes Barre Township | PA | — | ◇ UNVERIFIED |
| MWModern Woodcrafts, LLC | Lewiston | ME | — | ◇ UNVERIFIED |
| MCMonaco Coach CORP | Nappanee | IN | — | ◇ UNVERIFIED |
| MIMonarch Industries | Warren | RI | — | ◇ UNVERIFIED |
| MMMonarch Mfg CO | Adel | IA | — | ◇ UNVERIFIED |
| MWMonarch Windows & Doors | Anniston | AL | — | ◇ UNVERIFIED |
| MHMontec Hydraulics/carmichaels | Carmichaels | PA | — | ◇ UNVERIFIED |
| MCMonticello Cabinetry & Millwork, LTD | Firestone | CO | — | ◇ UNVERIFIED |
| MPMoore Painting CO | Alton | IL | — | ◇ UNVERIFIED |
| MTMoorestown Twp Water Pollution Control Plant | Moorestown | NJ | — | ◇ UNVERIFIED |
| MFMoosehead Furniture | Dover-foxcroft | ME | — | ◇ UNVERIFIED |
| MMMoosehead Manufacturing CO | Monson | ME | — | ◇ UNVERIFIED |
| MMMorgan Marshall Industries INC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| MCMorris Community Landfill | Morris | IL | — | ◇ UNVERIFIED |
| MGMorrison Grease Recycling INC | Morrison | IL | — | ◇ UNVERIFIED |
| MWMortensen Woodwork in | Union City | GA | — | ◇ UNVERIFIED |
| MBMorton Booth Co-carterville | Carterville | MO | — | ◇ UNVERIFIED |
| MSMorton Supplies INC | Morton | IL | — | ◇ UNVERIFIED |
| MCMountain Cabinetry | Heber City | UT | — | ◇ UNVERIFIED |
| MFMountaineer Furniture Mfg | Isom | KY | — | ◇ UNVERIFIED |
| MLMountain Lumber - South River Mill | Waynesboro | VA | — | ◇ UNVERIFIED |
| MWMountain West Bark | Rexburg | ID | — | ◇ UNVERIFIED |
| MWMountain West LLC | Superior | MT | — | ◇ UNVERIFIED |
| MWMountain Wood Products, LLC | Evensville | TN | — | ◇ UNVERIFIED |
| MPMrc Polymers INC | Chicago | IL | — | ◇ UNVERIFIED |
| MFMr. Foamer, INC. | Tamarac | FL | — | ◇ UNVERIFIED |
| MRM&r Rubber CO | Belvidere | IL | — | ◇ UNVERIFIED |
| MIMsw INC | Joplin | MO | — | ◇ UNVERIFIED |
| MMMtn Mulch Sassamansville/sassamansville | Sassamansville | PA | — | ◇ UNVERIFIED |
| MPMt Prospect Mail Pharmacy | Mount Prospect | IL | — | ◇ UNVERIFIED |
| MSMts Seating | Temperance | MI | — | ◇ UNVERIFIED |
