| LJL & J Asphalt - London | London | KY | — | ◇ UNVERIFIED |
| LPLj Properties of Wisconsin LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| LLLloyd Logging Mack Lloyd Pit | Winthrop | WA | — | ◇ UNVERIFIED |
| LAL-m Asphalt Partners LTD - Ats Construction Plant 14 | Lexington | KY | — | ◇ UNVERIFIED |
| LCLmp Concrete, INC. | Pink Hill | NC | — | ◇ UNVERIFIED |
| LCLn Concrete Materials Cor | Erlanger | KY | — | ◇ UNVERIFIED |
| LSLoch Sand and Construction Company | Maryville | MO | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeronautical Company | Meridian | MS | — | ◇ UNVERIFIED |
| LCLoflin Concrete CO. -- Pisgah Church Rd. | Kernersville | NC | — | ◇ UNVERIFIED |
| LCLogan Cnty Board of Cnty Commissioners | Sterling | CO | — | ◇ UNVERIFIED |
| LSLone Star Concrete Harold Green Plant | Austin | TX | — | ◇ UNVERIFIED |
| LWLone Wolf Enterprises-lone Wolf Enterprises | Kansas City | MO | — | ◇ UNVERIFIED |
| LCLongan Construction CO / Grove Asphalt Plt | Grove | OK | — | ◇ UNVERIFIED |
| LPLongleaf Packging | Vance | SC | — | ◇ UNVERIFIED |
| LFLorena Facility | Lorena | TX | — | ◇ UNVERIFIED |
| LALos Angeles City Street Maintenance Ap#2 | North Hollywood | CA | — | ◇ UNVERIFIED |
| LALos Angeles Plant 15 | Los Angeles | CA | — | ◇ UNVERIFIED |
| LJLottie Jones Wilbert Production Facility | Lottie | LA | — | ◇ UNVERIFIED |
| LRLottman Ready Mix (portable) | Portable | KS | — | ◇ UNVERIFIED |
| LRLottman Ready Mix (portable)(air) | Edgerton | KS | — | ◇ UNVERIFIED |
| LCLoudoun County Asphalt Co, LLC | Leesburg | VA | — | ◇ UNVERIFIED |
| LPLouisville Paving CO INC - Avoca Plant | Louisville | KY | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix Concrete - Green Pit | Johnstown | CO | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix Concrete INC | Johnstown Area | CO | — | ◇ UNVERIFIED |
| LELowe Enterprises INC | Cary | IL | — | ◇ UNVERIFIED |
| LCLower County Recycling CO | Erial | NJ | — | ◇ UNVERIFIED |
| LBLowes Blacktop & Excavating | Terre Haute | IN | — | ◇ UNVERIFIED |
| LCLowes Concrete INC | Leitchfield | KY | — | ◇ UNVERIFIED |
| LCLowes Concrete Products INC - Ready Mix Plant | Leitchfield | KY | — | ◇ UNVERIFIED |
| LBLP Body Shop INC | Yakima | WA | — | ◇ UNVERIFIED |
| LPL P G Ventures INC | Kearney | MO | — | ◇ UNVERIFIED |
| LCL&s Concrete | New Bedford | MA | — | ◇ UNVERIFIED |
| LCLtj Concrete, LLC - Weber Business Park | Dove Creek | CO | — | ◇ UNVERIFIED |
| LHLucedale Hot Mix Asphalt Plant | Lucedale | MS | — | ◇ UNVERIFIED |
| LBLumberton Batch Plant Facility | Lumberton | TX | — | ◇ UNVERIFIED |
| LRLuna Road Hot Mix Asphalt Plant | Dallas | TX | — | ◇ UNVERIFIED |
| LWL & W Concrete | Norridgewock | ME | — | ◇ UNVERIFIED |
| LWL & W Construction | Markesan | WI | — | ◇ UNVERIFIED |
| LSLyman-richey Sand & Gravel 07 | Valley | NE | — | ◇ UNVERIFIED |
| LALynchburg Asphalt Plant | Lynchburg | VA | — | ◇ UNVERIFIED |
| LCLynch CORP. | East Providence | RI | — | ◇ UNVERIFIED |
| LCLyons Concrete | Vidalia | GA | — | ◇ UNVERIFIED |
| MCMac Construction & Excavating Asphalt Plant | Grayson | KY | — | ◇ UNVERIFIED |
| MCMac Construction & Excavating, INC. | Saint Albans | WV | — | ◇ UNVERIFIED |
| MCMack Concrete | Grafton | OH | — | ◇ UNVERIFIED |
| MCMack Concrete, LLC | Mount Vernon | OH | — | ◇ UNVERIFIED |
| MAMaclair Asphalt Sales LLC | Dupo | IL | — | ◇ UNVERIFIED |
| MAM. A. Concrete Const- 32.5 Rd Gravel Pit | Grand Junction Area | CO | — | ◇ UNVERIFIED |
| MCMadden Contracting CO LLC - Astec Asphalt Plant #ap-16 | Natchitoches | LA | — | ◇ UNVERIFIED |
| MCMadden Contracting CO LLC - Shreveport Hot Mix Asphalt Plant | Statewide | LA | — | ◇ UNVERIFIED |
| MCMadden Contracting CO LLC - Sibley Hot Mix Asphalt Plant | Sibley | LA | — | ◇ UNVERIFIED |
| MCMadden Contracting Company LLC - Ap-9 | Mansfield | LA | — | ◇ UNVERIFIED |
| MFMaddens Facility | Caldwell | ID | — | ◇ UNVERIFIED |
| MRMaddens Ready Mix | Caldwell | ID | — | ◇ UNVERIFIED |
| MDMad Dog Concrete LLC | Rock Island | IL | — | ◇ UNVERIFIED |
| MRMadill Rmc Plant | Madill | OK | — | ◇ UNVERIFIED |
| MEMaeser East Pit | Maeser | UT | — | ◇ UNVERIFIED |
| MWMaeser West Pit | Maeser | UT | — | ◇ UNVERIFIED |
| MFMagnolia Field Facility | Pointe a La Hache | LA | — | ◇ UNVERIFIED |
| MRMagnolia Rmc Plant | Magnolia | TX | — | ◇ UNVERIFIED |
| MCMago Construction CO LLC - Monticello Plant | Monticello | KY | — | ◇ UNVERIFIED |
| MLMagruder Limestone CO Inc-troy Quarry | Troy | MO | — | ◇ UNVERIFIED |
| MLMagruder Limestone Company Ashely Quarry | Bowling Green | MO | — | ◇ UNVERIFIED |
| MPMagruder Paving LLC (port-0667) | Portable | MO | — | ◇ UNVERIFIED |
| MEMaier, Ernst, INC. | Bladensburg | MD | — | ◇ UNVERIFIED |
| MCMajor Concrete | Green Cove Springs | FL | — | ◇ UNVERIFIED |
| MCMalden Concrete Products | Malden | MO | — | ◇ UNVERIFIED |
| MRMallard Ready Mix, LLC - Clinton | Clinton | AR | — | ◇ UNVERIFIED |
| MBMallette Brothers Construction Company INC | Gautier | MS | — | ◇ UNVERIFIED |
| MBMallette Brothers Construction Company, Lucedale Asphalt Plant #2 | Lucedale | MS | — | ◇ UNVERIFIED |
| MAMalmo Asphalt Plant | Leland | NC | — | ◇ UNVERIFIED |
| MHMalouffs Hi Valley Paving | Alamosa | CO | — | ◇ UNVERIFIED |
| MBManassas Broad Run Ready Mix Concrete | Manassas | VA | — | ◇ UNVERIFIED |
| MManatts | Bondurant | IA | — | ◇ UNVERIFIED |
| MCManatts Concrete | Ankeny | IA | — | ◇ UNVERIFIED |
| MIManatts, INC. | Brooklyn | IA | — | ◇ UNVERIFIED |
| MIManatts, INC. | Walford | IA | — | ◇ UNVERIFIED |
| MIManatt's INC - Huxley | Huxley | IA | — | ◇ UNVERIFIED |
| MIManatt's INC - Newton | Newton | IA | — | ◇ UNVERIFIED |
| MTMancils Tractor Service INC | Palm City | FL | — | ◇ UNVERIFIED |
| MMMandan / Monarch Products / Ust | Mandan | ND | — | ◇ UNVERIFIED |
| MCManitou Concrete- Dolomite Products CO | Rochester | NY | — | ◇ UNVERIFIED |
| MCManor Concrete Enterprises, LLC Plant 1 | Hedgesville | WV | — | ◇ UNVERIFIED |
| MHManor Hot Mix Plant | Manor | TX | — | ◇ UNVERIFIED |
| MLMansfield Lime & Stone Quarry INC. | Mountain Grove | MO | — | ◇ UNVERIFIED |
| MRMansfield Ready Mix | Venus | TX | — | ◇ UNVERIFIED |
| MAMarathon Ashland Petroleum LLC | Robinson | IL | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company Lp- Louisville Cane Run Terminal | Louisville | KY | — | ◇ UNVERIFIED |
| MPMar-con Products INC | San Marcos | CA | — | ◇ UNVERIFIED |
| MOMarine Oil Terminal | Chicago | IL | — | ◇ UNVERIFIED |
| MFMarionneaux #1 Facility | Livonia | LA | — | ◇ UNVERIFIED |
| MSMark Sand & Gravel Acquisition CO | Fergus Falls | MN | — | ◇ UNVERIFIED |
| MSMark Sand & Gravel CO - Nonmetallic | Fergus Falls | MN | — | ◇ UNVERIFIED |
| MTMark Twain Redi-mix | Williamston | SC | — | ◇ UNVERIFIED |
| MTMark Twain Redi-mix INC. | Bloomsdale | MO | — | ◇ UNVERIFIED |
| MTMark Twain Redi Mix Plant | Horn Lake | MS | — | ◇ UNVERIFIED |
| MCMarshall Concrete Products INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MPMarshall Paving Inc-marshall Paving INC | Marshall | MO | — | ◇ UNVERIFIED |
| MAMarsh Asphalt Dravosburg Plt | Dravosburg | PA | — | ◇ UNVERIFIED |
| MAMartin Asphalt - Hondo | Hondo | TX | — | ◇ UNVERIFIED |
