| MZMar Zane Materials, INC. Unit 2 | Marengo | OH | — | ◐ LIKELY ACTIVE |
| MZMar Zane Plant No 3 | Gnadenhutten | OH | — | ◐ LIKELY ACTIVE |
| MIMasco INC 00051 | Portable | ID | — | ◐ LIKELY ACTIVE |
| MMMatco - Manistee | Manistee | MI | — | ◐ LIKELY ACTIVE |
| MCMathy Construction CO Plant 52 | Wakefield | MI | — | ◐ LIKELY ACTIVE |
| MCMathy Construction CO Plant 67 | Ironwood | MI | — | ◐ LIKELY ACTIVE |
| MCMathy Construction Plant #43 | Ironwood | MI | — | ◐ LIKELY ACTIVE |
| MCMatthews C W Contracting CO INC Plt 59 | Lagrange | GA | — | ◐ LIKELY ACTIVE |
| MCMayo Construction Company, INC. | Cavalier | ND | — | ◐ LIKELY ACTIVE |
| MMMaysville Materials CO | Maysville | KY | — | ◐ LIKELY ACTIVE |
| MAMecklenburg Asphalt Plant | South Hill | VA | — | ◐ LIKELY ACTIVE |
| MCMetzger Construction CO INC | Boonville | IN | — | ◐ LIKELY ACTIVE |
| MAMichigan Asphalt Terminal CO | Manistee | MI | — | ◐ LIKELY ACTIVE |
| MPMid-ohio Paving, INC. (0142000407) | Centerburg | OH | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors Limited Partnership | Columbus | IN | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors Limited Partnership | Bloomfield | IN | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors LP | Lafayette | IN | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors LP | Daleville | IN | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors, L.p. | Cambridge City | IN | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt CO LLC | Georgiana | AL | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt Company Atmore Plant | Atmore | AL | — | ◐ LIKELY ACTIVE |
| MSMountain States Asphalt, INC. - Liquid Asphalt, Atmospheric Tower Bottoms, and | Tooele | UT | — | ◐ LIKELY ACTIVE |
| MKMplx Knoxvillle Asphalt Terminal | Knoxville | TN | — | ◐ LIKELY ACTIVE |
| MCMulzer Crushed Stone Charlestown Quarry | Charlestown | IN | — | ◐ LIKELY ACTIVE |
| NGNally & Gibson Georgetown LLC Plant 1 | Georgetown | KY | — | ◐ 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 Castle Asphalt LLC Rensselaer Blacktop Facility | Rensselaer | NY | — | ◐ 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 |
| NENiblock Excavating INC | Bristol | IN | — | ◐ 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 |
| OCOhio County Road Department | Hartford | KY | — | ◐ 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 |
| OSOldcastle Sw - Trinidad Hma Gen | Trinidad | CO | — | ◐ LIKELY ACTIVE |
| OMOmg Midwest | Omaha | NE | — | ◐ LIKELY ACTIVE |
| OGOnslow Grading & Paving, INC. | Hubert | NC | — | ◐ LIKELY ACTIVE |
| OMOverland Material and Manufacturing INC / Ommi Astec 5 | Antlers | OK | — | ◐ LIKELY ACTIVE |
| OCOxford Const Plt 3 | Lumpkin | GA | — | ◐ LIKELY ACTIVE |
| OROxford Recycling INC | Englewood | CO | — | ◐ LIKELY ACTIVE |