| LCLatco Concrete Products Incorporated | Forest City | NC | — | ◇ UNVERIFIED |
| LLat/long_used | Temecula | CA | — | ◇ UNVERIFIED |
| LMLattimore Materials Humble Portable Rmx | Humble | TX | — | ◇ UNVERIFIED |
| LRLaurie Ready-mix | Laurie | MO | — | ◇ UNVERIFIED |
| LRLawrence-lynch Realty CORP | Falmouth | MA | — | ◇ UNVERIFIED |
| LRLawrence Ready Mix | Plympton | MA | — | ◇ UNVERIFIED |
| LRLawrence Redi Mix | Bridgewater | MA | — | ◇ UNVERIFIED |
| LCLawson Construction CO | Lincoln County | CO | — | ◇ UNVERIFIED |
| LRLawson Redi-mix INC | Nashville | TN | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Colchester | IL | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Beardstown | IL | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Laharpe | IL | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Macomb | IL | — | ◇ UNVERIFIED |
| LSLc Services | Fresno | CA | — | ◇ UNVERIFIED |
| LBLeblanc Brothers Ready Mix, INC. | Houma | LA | — | ◇ UNVERIFIED |
| LBLee Brick & Block | Bowling Green | KY | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Hopkinsville | KY | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Antioch | TN | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Bardstown | KY | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Lexington | KY | — | ◇ UNVERIFIED |
| LMLee Masonry Products LLC | Bowling Green | KY | — | ◇ UNVERIFIED |
| LCLee's Concrete | Bangor | ME | — | ◇ UNVERIFIED |
| LCLee's Concrete Materials | Madera | CA | — | ◇ UNVERIFIED |
| LSLee's Summit Municipal Airport | Lees Summit | MO | — | ◇ UNVERIFIED |
| LRLegacy Ready-Mix LLC | Irving | TX | — | ◇ UNVERIFIED |
| LVLegacy Vulcan CORP | Perry | FL | — | ◇ UNVERIFIED |
| LVLegacy Vulcan Corporation | Yulee | FL | — | ◇ UNVERIFIED |
| LVLegacy Vulcan Corporation | Newport News | VA | — | ◇ UNVERIFIED |
| LHLehigh Hanson, INC. Dba Hanson Aggregates | Goleta | CA | — | ◇ UNVERIFIED |
| LSLehigh Southwest Cement Company | Stockton | CA | — | ◇ UNVERIFIED |
| LCLeitzen Concrete Products, INC. | Rochester | MN | — | ◇ UNVERIFIED |
| LCLemay Concrete Block-lemay Concrete Block | Saint Louis | MO | — | ◇ UNVERIFIED |
| LRLemoore Ready Mix Calportland Company | Lemoore | CA | — | ◇ UNVERIFIED |
| LBLeonard Block Company | Winston Salem | NC | — | ◇ UNVERIFIED |
| LULeonard's Unit Step of Moline INC | Carbon Cliff | IL | — | ◇ UNVERIFIED |
| LRLeone Ready Mix LLC | Trinidad | CO | — | ◇ UNVERIFIED |
 Leo O'laughlin Inc-leo O'laughlin INC | Shelbina | MO | — | ◇ UNVERIFIED |
| Leo O'laughlin Inc-macon | Macon | MO | — | ◇ UNVERIFIED |
| Leo O'laughlin Inc-marceline | Marceline | MO | — | ◇ UNVERIFIED |
| LBLewis Brady Concrete | Fairmont | NC | — | ◇ UNVERIFIED |
| LIL&g Industries 2326 Wolf Ridge Rd | Whistler | AL | — | ◇ UNVERIFIED |
| LMLiberty Mutual Portable Plant | Plano | TX | — | ◇ UNVERIFIED |
| LRLiberty Ready Mix Plant 3 | Des Moines | IA | — | ◇ UNVERIFIED |
| LBLightweight Block CO | Lynchburg | VA | — | ◇ UNVERIFIED |
| LBLightweight Block Lexington Corporation | Lexington | NC | — | ◇ UNVERIFIED |
| LQLimestone Quarry Plant | Madison | AL | — | ◇ UNVERIFIED |
| LCLincoln County Ready Mix | Stanford | KY | — | ◇ UNVERIFIED |
| LCLincolnland Concrete INC | New Berlin | IL | — | ◇ UNVERIFIED |
| LCLincolnland Concrete INC | Springfield | IL | — | ◇ UNVERIFIED |
| LRLincoln Ready Mix Concrete | Lincoln | DE | — | ◇ UNVERIFIED |
| LWLincoln Way Materials | Dixon | IL | — | ◇ UNVERIFIED |
| LWLincoln Way Materials CO | Dixon | IL | — | ◇ UNVERIFIED |
| LRLiquid Rock Concrete LLC | Houston | TX | — | ◇ UNVERIFIED |
| LRLittle Rock Plant 605 (smyrna Ready Mix Concrete) | Little Rock | AR | — | ◇ UNVERIFIED |
| LOLive Oak Materials, INC. | Ingleside | TX | — | ◇ UNVERIFIED |
| LRLivingston Rmc Plant | Livingston | TX | — | ◇ UNVERIFIED |
| LCLivingston's Concrete, INC | Olivehurst | CA | — | ◇ UNVERIFIED |
| LPLivonia Pre Cast LLC | Livonia | MI | — | ◇ UNVERIFIED |
| LJL & J Asphalt - London | London | KY | — | ◇ UNVERIFIED |
| LLL.K. Lehman Trucking, Inc | Sonora | CA | — | ◇ UNVERIFIED |
| LLL & L Ready Mix Concrete - Haxtun | Haxtun | CO | — | ◇ UNVERIFIED |
| LLL & L Ready Mix Concrete - Holyoke | Holyoke | CO | — | ◇ UNVERIFIED |
| LML. Mackedon & Sons | Fallon | NV | — | ◇ UNVERIFIED |
| LCLmp Concrete, INC. | Pink Hill | NC | — | ◇ UNVERIFIED |
| LCLmp Concrete, INC. | Pink Hill | NC | — | ◇ UNVERIFIED |
| LCLn Concrete Materials Cor | Erlanger | KY | — | ◇ UNVERIFIED |
| LCLobato Construction - Mc-8t Plant | Platteville | CO | — | ◇ UNVERIFIED |
| LCLobo Concrete - 60 Cu Yd Concrete Batch Plant No1844 | Angel Fire | NM | — | ◇ UNVERIFIED |
| LCLoby Concrete Products CO | La Follette | TN | — | ◇ UNVERIFIED |
| LSLoch Sand and Construction Company | Maryville | MO | — | ◇ UNVERIFIED |
| LSLoch Sand & Construction Co-kci Airport | Kansas City | MO | — | ◇ UNVERIFIED |
| LALockbourne Aggregates LLC | Lockbourne | OH | — | ◇ UNVERIFIED |
| LCLoflin Concrete CO -- High Point Road | Kernersville | NC | — | ◇ UNVERIFIED |
| LCLoflin Concrete Company, INC. | Kernersville | NC | — | ◇ UNVERIFIED |
| LCLoflin Concrete CO. -- Pisgah Church Rd. | Kernersville | NC | — | ◇ UNVERIFIED |
| LMLojac Materials INC | Lebanon | TN | — | ◇ UNVERIFIED |
| LWLone Wolf Enterprises-harrisonville | Harrisonville | MO | — | ◇ UNVERIFIED |
| LALong Aggregate | Mariposa | CA | — | ◇ UNVERIFIED |
| LCLopez Concrete Plant | Madison | AL | — | ◇ UNVERIFIED |
| LJLottie Jones Wilbert Production Facility | Lottie | LA | — | ◇ UNVERIFIED |
| LRLottman Ready Mix (portable) | Portable | KS | — | ◇ UNVERIFIED |
| LRLottman Ready Mix - Port Concrete Bp | Hugo | CO | — | ◇ UNVERIFIED |
| LRLoughman Ready Mix Plant, Maschmeyer Concrete | Davenport | FL | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix | Loveland | CO | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix Concrete | Loveland | CO | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix Concrete - Green Pit | Johnstown | CO | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix Concrete INC | Johnstown Area | CO | — | ◇ UNVERIFIED |
| LRLoveland Ready Mix Concrete INC | Loveland | CO | — | ◇ UNVERIFIED |
| LCLowes Concrete INC | Leitchfield | KY | — | ◇ UNVERIFIED |
| LCLowes Concrete Products INC - Ready Mix Plant | Leitchfield | KY | — | ◇ UNVERIFIED |
| LPL P G Ventures INC | Kearney | MO | — | ◇ UNVERIFIED |
| LPL P Mcnear Brick CO INC | San Rafael | CA | — | ◇ UNVERIFIED |
| LPL&r Precast Concrete Works | Mission | TX | — | ◇ UNVERIFIED |
| LCL&s Concrete | New Bedford | MA | — | ◇ UNVERIFIED |
| LSL Suzio Concrete Company | Milford | CT | — | ◇ UNVERIFIED |
| LCLtj Concrete, LLC - Weber Business Park | Dove Creek | CO | — | ◇ UNVERIFIED |
| LILtm INC | Roseburg | OR | — | ◇ UNVERIFIED |
| LILtm INC | Roseburg | OR | — | ◇ UNVERIFIED |
| LILtm INC | Sutherlin | OR | — | ◇ UNVERIFIED |
| LILtm INC | Roseburg | OR | — | ◇ UNVERIFIED |
