| LRLehman Roberts Company, New Albany Plant | New Albany | MS | — | ◇ UNVERIFIED |
| LRLehman Roberts Company, Plant Number 11 | Oxford | MS | — | ◇ UNVERIFIED |
| LRLehman Roberts Company - Plant Number 3 | Friars Point | MS | — | ◇ UNVERIFIED |
| LRLehman Roberts Company, Plant Number 6 | Hernando | MS | — | ◇ UNVERIFIED |
| LRLehman Roberts, Plant 1 | Winona | MS | — | ◇ UNVERIFIED |
| LCLemay Concrete Block-lemay Concrete Block | Saint Louis | MO | — | ◇ UNVERIFIED |
| LJLeo Journagan Construction CO | Ava | MO | — | ◇ UNVERIFIED |
| LJLeo Journagan Construction CO INC | Springfield | MO | — | ◇ UNVERIFIED |
| LJLeo Journagan Construction CO - Ozark Quarry | Ozark | MO | — | ◇ UNVERIFIED |
| LBLeonard Block Company | Winston Salem | NC | — | ◇ UNVERIFIED |
| LLLeon Lowe & Sons INC - Asphalt Plant | Pearl River | LA | — | ◇ UNVERIFIED |
Leo O'laughlin Inc-macon | Macon | MO | — | ◇ UNVERIFIED |
Leo O'laughlin Inc-marceline | Marceline | MO | — | ◇ UNVERIFIED |
| LOLepier Oil Company | Larimore | ND | — | ◇ UNVERIFIED |
| LALewin Asphalt INC - Portable 81715 | Winchester | VA | — | ◇ UNVERIFIED |
| LLLewis & Lewis Inc., Asphalt Paving | Rock Springs | WY | — | ◇ UNVERIFIED |
| LPLewisville Plant | Lewisville | TX | — | ◇ UNVERIFIED |
| LIL&g Industries 2326 Wolf Ridge Rd | Whistler | AL | — | ◇ UNVERIFIED |
| LHLiberty Holdings | Grimes | IA | — | ◇ UNVERIFIED |
| LRLiberty Ready Mix - Grimes | Grimes | IA | — | ◇ UNVERIFIED |
| LRLiberty Ready Mix INC | Jamaica | NY | — | ◇ UNVERIFIED |
| LRLiberty Ready Mix - Van Meter Facility | Van Meter | IA | — | ◇ UNVERIFIED |
| LBLightweight Block CO | Lynchburg | VA | — | ◇ UNVERIFIED |
| LBLightweight Block Lexington Corporation | Lexington | NC | — | ◇ UNVERIFIED |
| LBLiller Brothers Asphalt | Cumberland | MD | — | ◇ UNVERIFIED |
| LQLimestone Quarry Plant | Madison | AL | — | ◇ UNVERIFIED |
| LCLincoln County Ready Mix | Stanford | KY | — | ◇ UNVERIFIED |
| LCLincoln County Ready Mix INC | Danville | KY | — | ◇ UNVERIFIED |
| LCLincolnland Concrete INC | Springfield | IL | — | ◇ UNVERIFIED |
| LCLincolnland Concrete INC | New Berlin | IL | — | ◇ UNVERIFIED |
| LPLindsay Precast LLC - Dacono | Dacono Area | CO | — | ◇ UNVERIFIED |
| LPLindy Paving/conneaut Lake Asphalt Plt | Conneaut Lake | PA | — | ◇ UNVERIFIED |
| LPLindy Paving/erie Asphalt Plt | Erie | PA | — | ◇ UNVERIFIED |
| LPLindy Paving/homer City | Homer City | PA | — | ◇ UNVERIFIED |
| LPLindy Paving Homer City Plt | Homer City | PA | — | ◇ UNVERIFIED |
| LPLindy Paving, INC. 200 Neville Terminal | Neville Island | PA | — | ◇ UNVERIFIED |
| LPLindy Paving Inc/ Erie W 18th St Asphalt Plt | Erie | PA | — | ◇ UNVERIFIED |
| LPLindy Paving Inc/koppel Fac | New Galilee | PA | — | ◇ UNVERIFIED |
| LPLindy Paving Inc/new Kensington Plt | New Kensington | PA | — | ◇ UNVERIFIED |
| LPLindy Paving - Plant 996 (4200 Neville) | Pittsburgh | PA | — | ◇ UNVERIFIED |
| LPLindy Paving West Pittsburgh Plt | Wampum | PA | — | ◇ UNVERIFIED |
| LPLindy Paving/wheelertown Asphalt Plt | Union City | PA | — | ◇ UNVERIFIED |
| LCLion Const & Paving - Flag Sand & Gravel | Silt Area | CO | — | ◇ UNVERIFIED |
| LRLittle Rock Wilbert Burial Vault CO. | Alexander | AR | — | ◇ UNVERIFIED |
| LRLivingston Ready Mix, LLC | Livingston | TN | — | ◇ UNVERIFIED |
| LCLivingston's Concrete Service INC | Olivehurst | CA | — | ◇ UNVERIFIED |
| 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 |