| MMMartin Marietta - Spec Agg | Golden | CO | — | ◇ UNVERIFIED |
| MMMartin Marietta - Taft Asphalt | Fort Collins | CO | — | ◇ UNVERIFIED |
| MPMaryland Paving Churchville | Bel Air | MD | — | ◇ UNVERIFIED |
| MIMar-zane INC | Delaware | OH | — | ◇ UNVERIFIED |
| MIMar-zane, INC | Indianapolis | IN | — | ◇ UNVERIFIED |
| MIMar-zane, INC. | Noblesville | IN | — | ◇ UNVERIFIED |
| MIMar-zane INC Plant 2 | Marietta | OH | — | ◇ UNVERIFIED |
| MIMar-zane, INC. Plant #24 | Akron | OH | — | ◇ UNVERIFIED |
| MIMar-zane INC Plant 27 | Warren | OH | — | ◇ UNVERIFIED |
| MIMar-zane, INC. - Plant 28 | Youngstown | OH | — | ◇ UNVERIFIED |
| MPMar-zane Plant No 10 | Zanesville | OH | — | ◇ UNVERIFIED |
| MZMar Zane Plant No 4 (0637000000) | Haydenville | OH | — | ◇ UNVERIFIED |
| MZMar Zane Plant No 5 | Stockport | OH | — | ◇ UNVERIFIED |
| MZMar Zane Plant No 9 | Richmond Dale | OH | — | ◇ UNVERIFIED |
| MZMar Zane Plant No 9 (0671000006) | Chillicothe | OH | — | ◇ UNVERIFIED |
| MZMar Zane Portable Generator #6 | Grove City | OH | — | ◇ UNVERIFIED |
| MPMar-zane Portable Generator #8 | Marion | OH | — | ◇ UNVERIFIED |
| MAMassillon Asphalt Company (1576001624) | Massillon | OH | — | ◇ UNVERIFIED |
| MCMathy Construction Company - Plant 25 | Onalaska | WI | — | ◇ UNVERIFIED |
| MCMathy Construction CO Plant 24 | Ironwood | MI | — | ◇ UNVERIFIED |
| MCMathy Construction CO Plant 41 | Ironwood | MI | — | ◇ UNVERIFIED |
| MMMattern Materials | Boonsboro | MD | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO INC Plt 22 | Toccoa | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO INC Plt 52 | Gainesville | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO INC Plt 56 | Forest Park | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO INC Plt 63 | Stockbridge | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO INC Plt 64 | Tyrone | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO INC Plt 65 | Tyrone | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting Co, Plt 11 | Dahlonega | GA | — | ◇ UNVERIFIED |
| MCMatthews C W Contracting CO Plt 12 | Douglasville | GA | — | ◇ UNVERIFIED |
| MCMatthews, C.w., Plt 06 | Cartersville | GA | — | ◇ UNVERIFIED |
| MCMatthews, C.w., Plt 24 | Rockmart | GA | — | ◇ UNVERIFIED |
| MPMattingly Products | North Anson | ME | — | ◇ UNVERIFIED |
| MMMaymead Materials, INC. | Mountain City | TN | — | ◇ UNVERIFIED |
| MCMcatee Construction Dba Mcatee Paving CO. | Sterling | CO | — | ◇ UNVERIFIED |
| MCMcatee Const - Sterling Asphalt Plant | Sterling | CO | — | ◇ UNVERIFIED |
| MPMcatee Paving Company (cmi 4dm) | Sterling | CO | — | ◇ UNVERIFIED |
| MIMccarthy Improvement CO | East Moline | IL | — | ◇ UNVERIFIED |
| MIMccarthy Improvement CO | Colona | IL | — | ◇ UNVERIFIED |
| MCMccartney Construction CO INC | Ashville | AL | — | ◇ UNVERIFIED |
| MEMccormick Excavation & Paving (asphalt Plnt)(portable)(air) | Portable | KS | — | ◇ UNVERIFIED |
| MEMccormick Excav & Paving - Colorado Ave | Burlington | CO | — | ◇ UNVERIFIED |
| MEMccormick Exc & Paving - Port Hm Asphalt | Stratton | CO | — | ◇ UNVERIFIED |
| MGMcdermitt Gettysburg Concrete & Blacktop Plts | Gettysburg | PA | — | ◇ UNVERIFIED |
| MTMcdonald Trucking & Paving INC | Ohio | IL | — | ◇ UNVERIFIED |
| MCMcgeorge Construction Co., INC. - Cranford Division - Portable Asphalt Plant #2 | Hot Springs | AR | — | ◇ UNVERIFIED |
| MMMckee Materials LLC - Plant 1 | Nelsonville | OH | — | ◇ UNVERIFIED |
| MSMclaughlin & Schulz INC | Marshall | MN | — | ◇ UNVERIFIED |
| MEMclendon Enterprises | Ellabell | GA | — | ◇ UNVERIFIED |
| MAMclendon-lyons Asphalt Plant | Lyons | GA | — | ◇ UNVERIFIED |