| MMMeyer Material CO | Channahon | IL | — | ◇ UNVERIFIED |
| MMMeyer Material CO | Saint Charles | IL | — | ◇ UNVERIFIED |
| MMMeyer Material CO | Lake Zurich | IL | — | ◇ UNVERIFIED |
| MMMeyer Material CO | Park City | IL | — | ◇ UNVERIFIED |
| MMMeyer Material CO #24 | Lee | IL | — | ◇ UNVERIFIED |
| MMMeyer Material CO - Elgin Yard 41 | Elgin | IL | — | ◇ UNVERIFIED |
| MMMeyer Materials CO | Machesney Park | IL | — | ◇ UNVERIFIED |
| MLMH Lanz Capital, LLC | Zion | IL | — | ◇ UNVERIFIED |
| MHMichael Hogg Septic Tank | Lagrange | GA | — | ◇ UNVERIFIED |
| MPMichael Precast Concrete, INC. | Loveland | OH | — | ◇ UNVERIFIED |
| MPMichaels Precast Concrete LLC | Rhododendron | OR | — | ◇ UNVERIFIED |
| MBMichels Batch Plant - Grandin | Grandin | ND | — | ◇ UNVERIFIED |
| MDMicrobial Discovery Group | Franklin | WI | — | ◇ UNVERIFIED |
| MCMid-america Concrete Applications, LLC | Lees Summit | MO | — | ◇ UNVERIFIED |
| MCMid Continent Concrete Company | Edmond | OK | — | ◇ UNVERIFIED |
| MRMiddletown Ready Mix Concrete Plant | Townsend | DE | — | ◇ UNVERIFIED |
| MHMid Hudson Concrete Products, INC | Hasbrouck Heights | NJ | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete | Greenville | IL | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete INC | Charleston | IL | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete INC | Olney | IL | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete INC | Altamont | IL | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete INC | Ramsey | IL | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete INC | Mattoon | IL | — | ◇ UNVERIFIED |
| MCMidland Concrete Products | Hiawatha | IA | — | ◇ UNVERIFIED |
| MFMidland Facility | Midland | TX | — | ◇ UNVERIFIED |
| MPMidlothian Plant | Midlothian | TX | — | ◇ UNVERIFIED |
| MCMid-minnesota Concrete LLC | Annandale | MN | — | ◇ UNVERIFIED |
| MCMidstate Concrete Products, LLC. | Santa Maria | CA | — | ◇ UNVERIFIED |
| MMMid-state Mobile Concrete INC | Hermitage | TN | — | ◇ UNVERIFIED |
| MPMid-state Precast | Sebring | FL | — | ◇ UNVERIFIED |
| MPMid-state Precast, L.p. | Corcoran | CA | — | ◇ UNVERIFIED |
| MAMidwest Agra Bio Diesel | Mclean | IL | — | ◇ UNVERIFIED |
| MBMidwest Biofuels INC | Pekin | IL | — | ◇ UNVERIFIED |
| MCMidwest Concrete Materials - Holton Ready Mix Concrete Plant (water) | Holton | KS | — | ◇ UNVERIFIED |
| MCMidwest Concrete Materials - Osage City Ready Mix Concrete Plant (water) | Osage City | KS | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Pioneer | OH | — | ◇ UNVERIFIED |
| MMMidwest Mobile Mix LLC | Bishop | TX | — | ◇ UNVERIFIED |
| MPMidwest Product Group | Shawnee | KS | — | ◇ UNVERIFIED |
| MPMidwest Products LLC | Hanover | KS | — | ◇ UNVERIFIED |
| MRMidwest Ready Mix | Hiawatha | KS | — | ◇ UNVERIFIED |
| MRMidwest Ready-mix and Building Supplies, INC. | Sabetha | KS | — | ◇ UNVERIFIED |
| MRMidwest Ready Mix & Building-hiawatha | Hiawatha | KS | — | ◇ UNVERIFIED |
| MRMidwest Ready Mix & Building Supplies | Sabetha | KS | — | ◇ UNVERIFIED |
| MRMidwest Ready Mix - Sabetha | Sabetha | KS | — | ◇ UNVERIFIED |
| MSMiirant Station H | Dickerson | MD | — | ◇ UNVERIFIED |
| MEMikeone Ek Maitland Summit, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| MCMikuni Color USA INC. | West Sacramento | CA | — | ◇ UNVERIFIED |
| MCMiles City Seat Base | Miles City | MT | — | ◇ UNVERIFIED |
 Miles Sand & Gravel CO | Auburn | WA | — | ◇ UNVERIFIED |
| Miles Sand & Gravel CO | Puyallup | WA | — | ◇ UNVERIFIED |
| Miles Sand & Gravel Company | Everett | WA | — | ◇ UNVERIFIED |
| Miles Sand & Gravel Company Poulsbo Facility | Poulsbo | WA | — | ◇ UNVERIFIED |
| MEMillard Enterprises, LLC | East Syracuse | NY | — | ◇ UNVERIFIED |
| MCMill Creek Concrete Batch Plant | Dallas | TX | — | ◇ UNVERIFIED |
| MLM-i L L C Zavalla | Zavalla | TX | — | ◇ UNVERIFIED |
| MAMiller and Sons Excavating | Heppner | OR | — | ◇ UNVERIFIED |
| MCMiller Contracting Services INC | Dahlgren | IL | — | ◇ UNVERIFIED |
| MLMiller & Long Construction INC | Mc Lean | VA | — | ◇ UNVERIFIED |
| MPMiller-mize Precast INC. | Columbus | GA | — | ◇ UNVERIFIED |
| MMMillers Mini Mix Concrete INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| MCMillington Concrete | Coos Bay | OR | — | ◇ UNVERIFIED |
| MBMillstone Bangert Concret | Saint Charles | MO | — | ◇ UNVERIFIED |
| MBMillstone Bangert Inc-missouri Bottom Road Plant | Saint Louis | MO | — | ◇ UNVERIFIED |
| MWMillstone Weber | Mascoutah | IL | — | ◇ UNVERIFIED |
| MWMillstone Weber Portable Concrete Batch Plant ** Inactive ** | Jacksonville | NC | — | ◇ UNVERIFIED |
| MWMillstone Weber - Port Batch Plant #7001 | Saint Charles | MO | — | ◇ UNVERIFIED |
| MLMinden Lumber & Concrete INC | Minden | NE | — | ◇ UNVERIFIED |
| MPMineral Processing Specialties Inc. | Springdale | PA | — | ◇ UNVERIFIED |
| MWMineral Wells Cbp | Mineral Wells | TX | — | ◇ UNVERIFIED |
| MCMini Concrete Ne Plant | El Paso | TX | — | ◇ UNVERIFIED |
| MMMinnick Midwest LLC Dba Midwest Tile & Concrete Products | Woodburn | IN | — | ◇ UNVERIFIED |
| MIMinutia INC Bakar Labs | Berkeley | CA | — | ◇ UNVERIFIED |
| MFMisbehaven Fireworks CORP. | Catskill | NY | — | ◇ UNVERIFIED |
| MCMission Concrete Products | Shawneetown | IL | — | ◇ UNVERIFIED |
| MRMission Ready Mix Plant | Mission | TX | — | ◇ UNVERIFIED |
| MVMission Valley Concrete | Pablo | MT | — | ◇ UNVERIFIED |
| MMMississippi Material Co., INC. | Vicksburg | MS | — | ◇ UNVERIFIED |
| MRMissoula Ready Mix | Missoula | MT | — | ◇ UNVERIFIED |
| MWMissouri Wilbert Vault CO. INC. | Moberly | MO | — | ◇ UNVERIFIED |
| MSM-i Swaco | Shafter | CA | — | ◇ UNVERIFIED |
| MCMitchell Concrete Pipe CO. INC. | Saginaw | AL | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical America, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| MMMix Manufacturing INC Dba Prism Corporation | Saint Paul | MN | — | ◇ UNVERIFIED |
| MPMix Pro Concrete LLC | Cordova | TN | — | ◇ UNVERIFIED |
| MAMm - Afton Portable Ready-mix | Afton | TX | — | ◇ UNVERIFIED |
| MAMmc Aws Jan 200 | Jackson | MS | — | ◇ UNVERIFIED |
| MRMmci Ready Mix LLC | North Hills | CA | — | ◇ UNVERIFIED |
 Mmc Materials Gulf Coast, Llc- Amc Portable | Calvert | AL | — | ◇ UNVERIFIED |
| Mmc Materials Gulf Coast LLC - Four Points | Tallahassee | FL | — | ◇ UNVERIFIED |
 Mmc Materials INC - Columbus South | Columbus | MS | — | ◇ UNVERIFIED |
| Mmc Materials Inc, Dundee Wind Farm | Dundee | MS | — | ◇ UNVERIFIED |
| Mmc Materials Inc, Hernando Temp Site | Hernando | MS | — | ◇ UNVERIFIED |
| Mmc Materials, INC. - Piperton Plant | Collierville | TN | — | ◇ UNVERIFIED |
| MCMm - Crandall Rm | Crandall | TX | — | ◇ UNVERIFIED |
| MDMm Decatur Ready Mix | Decatur | TX | — | ◇ UNVERIFIED |
| MRMm -farmersville Rm | Farmersville | TX | — | ◇ UNVERIFIED |
| MLMm - Lubbock Ready Mix | Lubbock | TX | — | ◇ UNVERIFIED |
| MOMm - Orange Rm | Orange | TX | — | ◇ UNVERIFIED |
| MPMm - Portable 910 - Dhl Warehouse Building C | Northlake | TX | — | ◇ UNVERIFIED |
| MPMm - Portable 915 Project Maverick | Cleburne | TX | — | ◇ UNVERIFIED |
