| LWLafarge West, INC - Lippmann Crusher | Denver | CO | — | ◐ LIKELY ACTIVE |
| LCLane Construction | Lee | MA | — | ◐ LIKELY ACTIVE |
| LCLangman Construction | Rock Island | IL | — | ◐ LIKELY ACTIVE |
| LCLasiter Construction | Little Rock | AR | — | ◐ LIKELY ACTIVE |
| LALawaski Asphalt Future Development | Lawrenceburg | TN | — | ◐ LIKELY ACTIVE |
| LHLee Hy Construction LLC - Warsaw Plant 1 | Warsaw | VA | — | ◐ LIKELY ACTIVE |
| LHLee Hy Paving Corporation - New Kent Facility | Providence Forge | VA | — | ◐ LIKELY ACTIVE |
| LHLee Hy Paving Corporation - Warsaw Plant 1 | Warsaw | VA | — | ◐ LIKELY ACTIVE |
| LALeeward Asphalt/palmyra Twp | Hawley | PA | — | ◐ LIKELY ACTIVE |
| LRLehman Roberts | Arlington | TN | — | ◐ LIKELY ACTIVE |
| LRLehman Roberts Company- Plant 7 | Batesville | MS | 1–19 | ◐ LIKELY ACTIVE |
| LCLenawee CO Road Commission | Addison | MI | — | ◐ LIKELY ACTIVE |
| LJLeo Journagan Construction CO | Hollister | MO | — | ◐ LIKELY ACTIVE |
| LDLeoterra Development ** Inactive ** | Greensboro | NC | — | ◐ LIKELY ACTIVE |
| LALewis Aggregates, LLC | Midland City | AL | — | ◐ LIKELY ACTIVE |
| LML-g Materials LLC - Farriston Asphalt Plant | London | KY | — | ◐ LIKELY ACTIVE |
| LRLincoln Road Builders, INC. | Lewisburg | TN | — | ◐ LIKELY ACTIVE |
| LPLindy Paving Inc/zelienople Plt | Zelienople | PA | — | ◐ LIKELY ACTIVE |
| LPLindy Paving - Plant 991 (second Ave) | Pittsburgh | PA | — | ◐ LIKELY ACTIVE |
| LPLindy Paving/wheelertown Asphalt Plt | Waterford | PA | — | ◐ LIKELY ACTIVE |
| LCLinn Creek South Quarry | Linn Creek | MO | — | ◐ LIKELY ACTIVE |
| LRLittle Rock City Asphalt | Little Rock | AR | — | ◐ LIKELY ACTIVE |
| LCLogan County Asphalt CO | Guthrie | OK | — | ◐ LIKELY ACTIVE |
| LPLouisville Paving CO INC | Crestwood | KY | — | ◐ LIKELY ACTIVE |
| LALP Asphalt LLC | Fort Pierce | FL | — | ◐ LIKELY ACTIVE |
| MCMacon County Commission | Tuskegee | AL | — | ◐ LIKELY ACTIVE |
| MCMago Construction CO LLC | Bardstown | KY | 100–499 | ◐ LIKELY ACTIVE |
| MCMago Construction CO LLC - Butler Plant | Butler | KY | — | ◐ LIKELY ACTIVE |
| MCMago Construction CO LLC - Foster Plant | Foster | KY | — | ◐ LIKELY ACTIVE |
| MCMago Construction CO LLC - Irvington Hma Plant | Irvington | KY | — | ◐ LIKELY ACTIVE |
| MCMago Construction CO LLC - Lockport Hma Plant | Lockport | KY | — | ◐ LIKELY ACTIVE |
| MCMago Construction Company | Shepherdsville | KY | — | ◐ LIKELY ACTIVE |
| MAManchester Asphalt Future Development | Manchester | TN | — | ◐ LIKELY ACTIVE |
| MGMaple Grove Materials, INC. - Tiffin Plant (0374020242) | Tiffin | OH | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta/j.mill Asphalt | Malvern | AR | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Materials INC - Forks of the River | Springfield | TN | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Materials Incorporated | Asheboro | NC | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Materials Incorporated | Monroe | NC | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Mtrls - Plant 41-246098 | Golden | CO | — | ◐ LIKELY ACTIVE |
| MPMartin Paving Company, INC. | Medina | TN | — | ◐ LIKELY ACTIVE |
| MZMar Zane Plant No 11 | Mantua | OH | — | ◐ LIKELY ACTIVE |
| MPMar-zane Plant No. 17 | Perrysville | OH | — | ◐ LIKELY ACTIVE |
| MBMassachusetts Broken Stone Company | Berlin | MA | — | ◐ LIKELY ACTIVE |
| MCMatthews C W Contracting CO INC | Norcross | GA | — | ◐ LIKELY ACTIVE |
| MCMatthews, C.w., Plt 14 | Smyrna | GA | — | ◐ LIKELY ACTIVE |
| MCMatthews, C.w., Plt 27 | Ball Ground | GA | — | ◐ LIKELY ACTIVE |
| MCMaury County Asphalt, INC. | Columbia | TN | — | ◐ LIKELY ACTIVE |
| MIMaymead, INC. - 115 Plant | North Wilkesboro | NC | — | ◐ LIKELY ACTIVE |
| MIMaymead, INC. - Elkin Plant | Elkin | NC | — | ◐ LIKELY ACTIVE |
| MIMaymead, INC. - Lenoir Plant | Lenoir | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials 421 Recycle Yard | Boone | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials (denver) | Denver | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. | Marion | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. | Mountain City | TN | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials INC - Boone | Boone | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. - Hildebran Plant | Hildebran | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. - Laurel Springs Plant | Laurel Springs | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. - Lenoir #2 Plant | Lenoir | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. - Morganton Plant | Morganton | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. - Statesville - North | Statesville | NC | — | ◐ LIKELY ACTIVE |
| MMMaymead Materials, INC. - Statesville Plant | Statesville | NC | — | ◐ LIKELY ACTIVE |
| MLMcasphalt, LLC | Clarksville | TN | — | ◐ LIKELY ACTIVE |
| MCMccartney Construction CO INC Speedway | Eastaboga | AL | — | ◐ LIKELY ACTIVE |
| MAMcConnell and Associates - Pevely | Pevely | MO | 1–19 | ◐ LIKELY ACTIVE |
| MPMcdiarmid Paving CO | Fayetteville | NC | — | ◐ LIKELY ACTIVE |
| MCMcgeorge Construction Co., INC. - Cranford Portable Plant | North Littl Rck | AR | — | ◐ LIKELY ACTIVE |
| MMMckee Materials - Plant 2 | Wellston | OH | — | ◐ LIKELY ACTIVE |
| MDMcpherson Dept. of Public Works (asphalt Plant)(portable)(air) | Portable | KS | — | ◐ LIKELY ACTIVE |
| MVMesa Verde 400 Tph Crushing Plant | Portable Source | NM | — | ◐ LIKELY ACTIVE |
| MMMetro Materials INC | Atlanta | GA | — | ◐ LIKELY ACTIVE |
| MQMiddleburgh Quarry | Schoharie | NY | — | ◐ LIKELY ACTIVE |
| MPMid-south Paving, INC | Brewton | AL | — | ◐ LIKELY ACTIVE |
| MPMid-south Paving, INC. | Childersburg | AL | — | ◐ LIKELY ACTIVE |
| MCMidstate Contractors, INC. | Newton | NC | — | ◐ LIKELY ACTIVE |
| MMMidwest Material Supply LLC | Murphysboro | IL | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors LP | Veedersburg | IN | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors LP | Plainfield | IN | — | ◐ LIKELY ACTIVE |
| MRMillard Refrigerated Services | Theodore | AL | — | ◐ LIKELY ACTIVE |
| MBMitchell Brothers, INC. | Tallahassee | FL | — | ◐ LIKELY ACTIVE |
| MLM Leeder Construction - 33399 Hwy 160 | Durango | CO | — | ◐ LIKELY ACTIVE |
| MLM. Luis Products, LLC | Rockville | MD | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt CO | Jasper | AL | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt CO LLC | Atmore | AL | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt CO LLC | Bay Minette | AL | — | ◐ LIKELY ACTIVE |
| MAMobile Asphalt CO LLC | Saraland | AL | — | ◐ LIKELY ACTIVE |
| MPMoffett Paving & Excavating CO INC | Staunton | VA | — | ◐ LIKELY ACTIVE |
| MEMontgomery Enconchate Wwtp | Montgomery | AL | — | ◐ LIKELY ACTIVE |
| MIMorgan Industries INC | Clearfield | UT | — | ◐ LIKELY ACTIVE |
| MAMorris Asphalt CO | Lafayette Twp | NJ | — | ◐ LIKELY ACTIVE |
| MEMountain Enterprises INC - Hazard Plant 21 | Hazard | KY | — | ◐ LIKELY ACTIVE |
| MEMountain Enterprises INC - Martin Plant 26 | Martin | KY | — | ◐ LIKELY ACTIVE |
| MHMountain Home Materials Quarry | Mountain Home | AR | — | ◐ LIKELY ACTIVE |
| MRMoyers Road Site | Athens | AL | — | ◐ LIKELY ACTIVE |
| MSM Susi Hma LLC | Boston, City of | MA | — | ◐ LIKELY ACTIVE |
| MVMt Vernon Asphalt Plant | Mount Vernon [rockcastle] | KY | — | ◐ LIKELY ACTIVE |
| M4Mv 400 Tph Gencor Hma Plant | Alamogordo | NM | — | ◐ LIKELY ACTIVE |
| NAN-11 Asphalt Plant | Roanoke | VA | — | ◐ LIKELY ACTIVE |
| NMNaceville Materials/coopersburg Materials | Coopersburg | PA | — | ◐ LIKELY ACTIVE |
| NMNaceville Materials/plumsteadville | Plumsteadville | PA | — | ◐ LIKELY ACTIVE |
| NINarragansett Improvement Company | Providence | RI | — | ◐ LIKELY ACTIVE |