| MAMerryman Aggregates LLC | Woodstock | IL | — | ◇ UNVERIFIED |
| MEMerryman Excavation INC | Woodstock | IL | — | ◇ UNVERIFIED |
| MIMetaglo INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| MCMetal Components INC | Wyoming | MI | — | ◇ UNVERIFIED |
| MCMetal Craft Engineering | Fenwick | WV | — | ◇ UNVERIFIED |
| MCMetal Crafters | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| MMetalcrafters | Simi Valley | CA | — | ◇ UNVERIFIED |
| MMMetal Management Midwest INC | Bedford Park | IL | — | ◇ UNVERIFIED |
| MMMetal Masters of North Florida INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| MSMetal Smith Designs INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| MIMetaltech Industries INC | Longmont | CO | — | ◇ UNVERIFIED |
| MMetrie | Ferndale | WA | — | ◇ UNVERIFIED |
| MTMetrolink Transit | Rock Island | IL | — | ◇ UNVERIFIED |
| MAMetropolis Airport | Metropolis | IL | — | ◇ UNVERIFIED |
| MPMetropolitan Pier & Exposition Authority | Chicago | IL | — | ◇ UNVERIFIED |
| MMMeyer Materials CO | Crystal Lake | IL | — | ◇ UNVERIFIED |
| MGMfg Galileo Composites | Sparks | NV | — | ◇ UNVERIFIED |
| MAMfs Arz | Phoenix | AZ | — | ◇ UNVERIFIED |
| MGM & G Duravent INC | Vacaville | CA | — | ◇ UNVERIFIED |
| MMgs | Germantown | WI | — | ◇ UNVERIFIED |
| MCMichael's CO | Sacramento | CA | — | ◇ UNVERIFIED |
| MUMicrodyn-nadir US INC | Goleta | CA | — | ◇ UNVERIFIED |
| MMMicron Medical Products | Fitchburg, City of | MA | — | ◇ UNVERIFIED |
| MPMicro Plastics, INC. | Melbourne | AR | — | ◇ UNVERIFIED |
| MAMicrotron Abrasives, INC. | Pineville | NC | — | ◇ UNVERIFIED |
| MAMid America Sand & Gravel CO | Mahomet | IL | — | ◇ UNVERIFIED |
| MAMid America Sand & Gravel CO | Champaign | IL | — | ◇ UNVERIFIED |
| MSMid-america Steel Drum CO INC | Saint Francis | WI | — | ◇ UNVERIFIED |
| MRMiddleboro Recycling | Middleborough | MA | — | ◇ UNVERIFIED |
| MCMid-lakes Corporation | Knoxville | TN | — | ◇ UNVERIFIED |
| MAMidway Airport Amc Buildings | Chicago | IL | — | ◇ UNVERIFIED |
| MCMidwest Cement Products | Woosung | IL | — | ◇ UNVERIFIED |
| MCMidwest Container Reconditioning Mcr | Fulton | MO | — | ◇ UNVERIFIED |
| MEMidwest Electronic | Ellsworth | IL | — | ◇ UNVERIFIED |
| MIMidwest Industrial Metals | Northlake | IL | — | ◇ UNVERIFIED |
| MMMidwest Molding, INC. | Wolcottville | IN | — | ◇ UNVERIFIED |
| MPMidwest Plastic CO | Cherryvale | KS | — | ◇ UNVERIFIED |
| MRMidwest Rem Enterprises INC | Chicago | IL | — | ◇ UNVERIFIED |
| MSMidwest Sanitary Service INC | Wood River | IL | — | ◇ UNVERIFIED |
| MSMidwest Soil Remediation | Lockport | IL | — | ◇ UNVERIFIED |
| MTMidwest Tank Services INC | Bolivar | OH | — | ◇ UNVERIFIED |
| MFMike Fuhrman, Village President | Waynesville | IL | — | ◇ UNVERIFIED |
| MFMikes Fabricating Incorporated | Moody | AL | — | ◇ UNVERIFIED |
| MGMikron G Building | Kent | WA | — | ◇ UNVERIFIED |
| MMMikron Midwest | Winnebago | IL | — | ◇ UNVERIFIED |
| MRMilam Recycling & Disposal | East Saint Louis | IL | — | ◇ UNVERIFIED |
| MWMilgard Woodclad Division | Tacoma | WA | — | ◇ UNVERIFIED |
| MHMillers Holzwerk | Tuscola | IL | — | ◇ UNVERIFIED |
| MCMills CO | Marion | OH | — | ◇ UNVERIFIED |
| MPMinden Plant | Minden | NV | — | ◇ UNVERIFIED |
| MMMinee Monesse Golf Course | Momence | IL | — | ◇ UNVERIFIED |
| MWMineral Wells Facility | Mineral Wells | TX | — | ◇ UNVERIFIED |
 Mini Systems Incorporated | Plainville | MA | — | ◇ UNVERIFIED |
| MVMinton Ventures, LLC | Lenoir | NC | — | ◇ UNVERIFIED |
| MMMissouri Meerschaum Company | Washington | MO | — | ◇ UNVERIFIED |
| MCMitchell Container Services INC | Saraland | AL | — | ◇ UNVERIFIED |
| MCMitsubishi Chem Advanced Material Laurel Line Mfg/scranton | Scranton | PA | — | ◇ UNVERIFIED |
| MCMitsubishi Chem Advanced Materials Inc/delmont 4 | Delmont | PA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Advanced Materials | Wytheville | VA | — | ◇ UNVERIFIED |
| MWMi Windows & Doors LLC -gratz Facility | Gratz | PA | — | ◇ UNVERIFIED |
| MLMixonsite LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MAMizzonis Auto Body INC. | Lodi | NJ | — | ◇ UNVERIFIED |
| MLM & L Oil CO INC | Cisne | IL | — | ◇ UNVERIFIED |
| MCModel City Clnr/pennbrook | Harrisburg | PA | — | ◇ UNVERIFIED |
| MDModern Dispersion | Leominster | MA | — | ◇ UNVERIFIED |
| MOModern Office Equipment | Philadelphia | PA | — | ◇ UNVERIFIED |
| MPModern Plastics | Benton Harbor | MI | — | ◇ UNVERIFIED |
| MIMoistureshield, INC. | Lowell | AR | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies, Plant 1 | Ashtabula | OH | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass - Holly Rd | Adelanto | CA | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Northwest Site | Stevenson | WA | — | ◇ UNVERIFIED |
| MPMonarch Plastic INC (0285010268) | Orrville | OH | — | ◇ UNVERIFIED |
| MLMonosol - Laporte Plant | La Porte | IN | — | ◇ UNVERIFIED |
| MPMonosol-lebanon Plant | Lebanon | IN | — | ◇ UNVERIFIED |
| MCMontebello Container Company | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MCMontebello Cont CORP | La Mirada | CA | — | ◇ UNVERIFIED |
| MHMontec Hydraulics/carmichaels | Carmichaels | PA | — | ◇ UNVERIFIED |
| MIMonti Incorporated | Cincinnati | OH | — | ◇ UNVERIFIED |
| MBMoore Business Forms | Temecula | CA | — | ◇ UNVERIFIED |
| MDMoore Dp, LLC | Lexington | KY | — | ◇ UNVERIFIED |
| MPMoore Painting CO | Alton | IL | — | ◇ UNVERIFIED |
| MTMoorestown Twp Water Pollution Control Plant | Moorestown | NJ | — | ◇ UNVERIFIED |
| MMMoreng Metal Products | Totowa | NJ | — | ◇ UNVERIFIED |
| MSMorining Star Manufacturing INC | Crump | TN | — | ◇ UNVERIFIED |
| MCMorris Community Landfill | Morris | IL | — | ◇ UNVERIFIED |
| MGMorrison Grease Recycling INC | Morrison | IL | — | ◇ UNVERIFIED |
| MWMortensen Woodwork in | Union City | GA | — | ◇ UNVERIFIED |
| MIMorton International | Woburn | MA | — | ◇ UNVERIFIED |
| MSMorton Supplies INC | Morton | IL | — | ◇ UNVERIFIED |
| MLMotts LLP | Carteret | NJ | — | ◇ UNVERIFIED |
| MMMountain Molding LTD | Longmont | CO | — | ◇ UNVERIFIED |
| MSMountain States Sheet Metal | Pueblo | CO | — | ◇ UNVERIFIED |
| MTMount Tom Box CO LLC | West Springfield | MA | — | ◇ UNVERIFIED |
| MNMpa North Locust Point Marine Terminal | Baltimore | MD | — | ◇ UNVERIFIED |
| MIMrc Industries | Roseville | MI | — | ◇ UNVERIFIED |
| MPMrc Polymers INC | Chicago | IL | — | ◇ UNVERIFIED |
| MFMr. Foamer, INC. | Tamarac | FL | — | ◇ UNVERIFIED |
| MMMr. Marble CO. | Lawrenceville | GA | — | ◇ UNVERIFIED |
