| MMMmc Materials Inc, Greenwood | Greenwood | MS | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Indianola | Indianola | MS | — | ◐ LIKELY ACTIVE |
| MMMmc Materials, INC. - Memphis (old US 78 Plant) | Memphis | TN | — | ◐ LIKELY ACTIVE |
| MMMmc Materials, INC. Oakland | Oakland | TN | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Wiggins | Wiggins | MS | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt CO LLC | Georgiana | AL | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt Company Atmore Plant | Atmore | AL | — | ◐ LIKELY ACTIVE |
| MPMonarch Products Company INC - Strinestown | York | PA | — | ◐ LIKELY ACTIVE |
| MCMountain Cement CO | Denver | CO | — | ◐ LIKELY ACTIVE |
| MPMountain Park Concrete INC | Granby | CO | — | ◐ LIKELY ACTIVE |
| MSMountain States Asphalt, INC. - Liquid Asphalt, Atmospheric Tower Bottoms, and | Tooele | UT | — | ◐ LIKELY ACTIVE |
| MKMplx Knoxvillle Asphalt Terminal | Knoxville | TN | — | ◐ LIKELY ACTIVE |
| MHMt Holly Concrete CO | Mount Holly | NJ | — | ◐ LIKELY ACTIVE |
| MMMt. Meigs Plant | Mount Meigs | AL | — | ◐ LIKELY ACTIVE |
| MCMulzer Crushed Stone Charlestown Quarry | Charlestown | IN | — | ◐ LIKELY ACTIVE |
| NGNally & Gibson Georgetown LLC Plant 1 | Georgetown | KY | — | ◐ LIKELY ACTIVE |
| NRNashville Ready Mix | Mount Juliet | TN | — | ◐ LIKELY ACTIVE |
| NRNashville Ready Mix Franklin Plant | Franklin | TN | — | ◐ LIKELY ACTIVE |
| NRNashville Ready Mix INC. | Clarksville | TN | — | ◐ LIKELY ACTIVE |
| NRNashville Ready Mix Shop | Nashville | TN | — | ◐ LIKELY ACTIVE |
| NANassau Asphalt Facility | Melville | NY | — | ◐ LIKELY ACTIVE |
| NLNational Lime & Stone Company - Bloomlock Facility | Delphos | OH | — | ◐ LIKELY ACTIVE |
| NLNational Lime & Stone Company - Lima Facility | Lima | OH | — | ◐ LIKELY ACTIVE |
| NBN B West Contracting | House Springs | MO | — | ◐ LIKELY ACTIVE |
| NCNelsonville Consulting | Nelsonville | OH | — | ◐ LIKELY ACTIVE |
| NANewark Asphalt CORP | Newark | NJ | — | ◐ LIKELY ACTIVE |
| NCNew Canton Concrete | — | VA | — | ◐ LIKELY ACTIVE |
| NENew Enterprise Stone and Lime CO Inc/jenkins Twp | Wilkes Barre | PA | — | ◐ LIKELY ACTIVE |
| NENew Enterprise Stone Ashcom Quarry | Everett | PA | — | ◐ LIKELY ACTIVE |
| NENew Enterprise Stone & Lime CO Inc/ontelaunee (ejb) | Ontelaunee | PA | — | ◐ LIKELY ACTIVE |
| NENew Enterprise Stone/roaring Spring | Roaring Spring | PA | — | ◐ LIKELY ACTIVE |
| NPNewport Paving Company, INC. - Asphalt Plant 4 & Charles Blalock & Sons, INC. Db | Newport | TN | — | ◐ LIKELY ACTIVE |
| NINeyra Industries | Hutto | TX | — | ◐ LIKELY ACTIVE |
| NENiblock Excavating INC | Bristol | IN | — | ◐ LIKELY ACTIVE |
| NBNiederwald Batch Plant 1 | Niederwald | TX | — | ◐ LIKELY ACTIVE |
| NENorth East Materials Group LLC (hot Mix Asphalt Plant) | Barre Town | VT | — | ◐ LIKELY ACTIVE |
| NPNortheast Paving/adamsburg Asphalt Plt | Adamsburg | PA | — | ◐ LIKELY ACTIVE |
| NFNorth Fayette Supply Llc/bullskin West Pad | Mount Pleasant | PA | — | ◐ LIKELY ACTIVE |
| NANorthwest Aggregates Snoqualmie | Snoqualmie | WA | — | ◐ LIKELY ACTIVE |
| NRNorthwest Ready-mix | Ocheyedan | IA | — | ◐ LIKELY ACTIVE |
| NANov Ameron | Anniston | AL | — | ◐ LIKELY ACTIVE |
| OCOhio County Road Department | Hartford | KY | — | ◐ LIKELY ACTIVE |
| OAOkeechobee Asphalt/concrete Plant, Cw Roberts Contracting INC. | Okeechobee | FL | — | ◐ LIKELY ACTIVE |
| OAOldcastle Apg Easton | Easton | PA | — | ◐ LIKELY ACTIVE |
| OAOldcastle Apg South, INC. | Auburndale | FL | — | ◐ LIKELY ACTIVE |
| OMOldcastle Miller Bonner Springs | Bonner Springs | KS | — | ◐ LIKELY ACTIVE |
| OPOldcastle Precast | Ogden | UT | — | ◐ LIKELY ACTIVE |
| OSOldcastle Sw Group Dba Telluride Gravel | Telluride | CO | — | ◐ LIKELY ACTIVE |
| OSOldcastle Sw Group Dba United CO of Mesa | Grand Junction | CO | — | ◐ LIKELY ACTIVE |
| OSOldcastle Sw Group - Hma Plant | Canon City | CO | — | ◐ LIKELY ACTIVE |