| KKirkpatrick (oneonta) | Oneonta | AL | — | ◇ UNVERIFIED |
| KCKistner Concrete Products INC | Springville | NY | — | ◇ UNVERIFIED |
| KBKlueter Bros Concrete Products | Edwardsville | IL | — | ◇ UNVERIFIED |
| KMKnauer Mod Wilbert Burial Vaul | Joliet | IL | — | ◇ UNVERIFIED |
| KRKnife River Corporation | Bismarck | ND | — | ◇ UNVERIFIED |
| KRKnife River Corporation | Saint Cloud | MN | — | ◇ UNVERIFIED |
| KRKnife River Corporation - North Central | Brainerd | MN | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Woodburn | OR | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Molalla | OR | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Gervais | OR | — | ◇ UNVERIFIED |
| KRKnife River Dba Concrete INC | Lincoln | CA | — | ◇ UNVERIFIED |
| KRKnife River Hutchinson Ready Mix | Hutchinson | MN | — | ◇ UNVERIFIED |
| KRKnife River Little Falls North Ready Mix | Little Falls | MN | — | ◇ UNVERIFIED |
| KRKnife River Midwest LLC Q135 | Portable Concrete Batch Plant | NE | — | ◇ UNVERIFIED |
| KRKnife River Milaca Ready Mix | Milaca | MN | — | ◇ UNVERIFIED |
| KRKnife River North Central Watford City | Watford City | ND | — | ◇ UNVERIFIED |
| KRKnife River Stayton Sand and Gravel | Stayton | OR | — | ◇ UNVERIFIED |
| KRKnight Redi-mix INC. | Ellabell | GA | — | ◇ UNVERIFIED |
| KCKnight's Companies - Knights Redi-mix Plant 15 | Summerville | SC | — | ◇ UNVERIFIED |
| KKKnights Keep, LLC | Highlandville | MO | — | ◇ UNVERIFIED |
| KSKnights Septic Tank Service INC | Summerville | SC | — | ◇ UNVERIFIED |
| KIKoncrete Industries Coneco Portable | Walla Walla | WA | — | ◇ UNVERIFIED |
| KRKoski Ready Mix Sand & Gravel & Oil CO | Esko | MN | — | ◇ UNVERIFIED |
| KCKoss Construction Company 249 | Brule | NE | — | ◇ UNVERIFIED |
| KRKotter Ready-mix | Vienna | IL | — | ◇ UNVERIFIED |
| KPKrete Partners, LLC | Brookfield | WI | — | ◇ UNVERIFIED |
| KMKrm Midlands-llc-plant 6 | Blythewood | SC | — | ◇ UNVERIFIED |
| KSKrm South, LLC - Plant 10 | Hardeeville | SC | — | ◇ UNVERIFIED |
| KIKrushin It LLC | Ocala | FL | — | ◇ UNVERIFIED |
| KCKyle Canyon Plant 1866 | Las Vegas | NV | — | ◇ UNVERIFIED |
| LSLaceys Spring Concrete Plant | Laceys Spring | AL | — | ◇ UNVERIFIED |
| LLafarge | Carbondale | CO | — | ◇ UNVERIFIED |
| LALafarge Alpharetta Concrete Plant | Alpharetta | GA | — | ◇ UNVERIFIED |
| LALafarge Augusta Concrete Plant | Augusta | GA | — | ◇ UNVERIFIED |
| LBLafarge Bolingbroke Concrete Plant | Bolingbroke | GA | — | ◇ UNVERIFIED |
| LBLafarge Building Materials Inc, Pass Christian Plant | Pass Christian | MS | — | ◇ UNVERIFIED |
| LBLafarge Building Materials Inc-springfield Terminal | Springfield | MO | — | ◇ UNVERIFIED |
| LDLafarge Decatur Concrete Plant | Decatur | AL | — | ◇ UNVERIFIED |
| LGLafarge Grayson Concrete Plant | Grayson | GA | — | ◇ UNVERIFIED |
| LGLafarge Gulf Shores Concrete Plant | Gulf Shores | AL | — | ◇ UNVERIFIED |
| LHLafarge Hampton Concrete Plant | Hampton | GA | — | ◇ UNVERIFIED |
| LHLafarge Hiram Concrete Plant | Hiram | GA | — | ◇ UNVERIFIED |
| LJLafarge Jefferson Concrete Plant | Jefferson | GA | — | ◇ UNVERIFIED |
| LKLafarge Kennesaw Concrete Plant | Kennesaw | GA | — | ◇ UNVERIFIED |
| LMLafarge Mid Atlantic New Orleans East Rmx | New Orleans | LA | — | ◇ UNVERIFIED |
| LNLafarge North America C/o the Corporation Trust, INC | Lutherville | MD | — | ◇ UNVERIFIED |
| LNLafarge North America - Houma Plant | Houma | LA | — | ◇ UNVERIFIED |
| LNLafarge North America Inc-arlington Rm Plant | Kansas City | MO | — | ◇ UNVERIFIED |
| LNLafarge North America INC - Gramercy Pla | Gramercy | LA | — | ◇ UNVERIFIED |
| LNLafarge North America Inc-page Plant | Maryland Heights | MO | — | ◇ UNVERIFIED |
| LTLafarge Theodore Concrete Plant | Theodore | AL | — | ◇ UNVERIFIED |
| LTLafarge Tonawanda Ready Mix Concrete (aka River Road) | Tonawanda | NY | — | ◇ UNVERIFIED |
| LTLafarge Tuscaloosa Concrete Plant | Duncanville | AL | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Littleton Area | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Denver | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Golden 7.1 Mi. Sw of | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Minturn | CO | — | ◇ UNVERIFIED |
| LCLahood Construction INC | Chillicothe | IL | — | ◇ UNVERIFIED |
| LCLahood Construction INC | East Peoria | IL | — | ◇ UNVERIFIED |
| LJLake June Loading Site | Mesquite | TX | — | ◇ UNVERIFIED |
| LALakeland Airport Temporary Ready Mix Plant | Lakeland | FL | — | ◇ UNVERIFIED |
| LSLake Shore Burial Vault Co., INC. | Brookfield | WI | — | ◇ UNVERIFIED |
| LSLake Shore Concrete CO | Lake Oswego | OR | — | ◇ UNVERIFIED |
| LRLakeside Ready Mix | Abingdon | VA | — | ◇ UNVERIFIED |
| LCLambert Contracting Concrete Facility | Hollywood | AL | — | ◇ UNVERIFIED |
| LRLampasas Ready Mix | Lampasas | TX | — | ◇ UNVERIFIED |
| LRLampe-fidler Ready Mix: Indus | Thayne | WY | — | ◇ UNVERIFIED |
| LCLand Clearing Keystone Investments Iii | Jacksonville | FL | — | ◇ UNVERIFIED |
| LSLandmark Stone Inc | Olivehurst | CA | — | ◇ UNVERIFIED |
| LSLandmark Stone Products, LLC | Cynthiana | KY | — | ◇ UNVERIFIED |
| LDLandscape Depot, INC. | Walpole | MA | — | ◇ UNVERIFIED |
| LCLane Construction Plant 23 | Florence | SC | — | ◇ UNVERIFIED |
| LHLane Holdings | Carnegie | PA | — | ◇ UNVERIFIED |
| LRLangheim Ready Mix INC | Girard | IL | — | ◇ UNVERIFIED |
| LCLangston Concrete - Langston Redi Mix | Florence | CO | — | ◇ UNVERIFIED |
| LSLan Se, LLC Dba Gate Precast-jacksonville, Fl | Jacksonville | FL | — | ◇ UNVERIFIED |
| LSLan Se, LLC Dba Gate Precast-kissimmee, Fl | Kissimmee | FL | — | ◇ UNVERIFIED |
| LCLaplace Concrete INC | Laplace | LA | — | ◇ UNVERIFIED |
| LPLa Plata Ready Mix Concrete | La Plata | MD | — | ◇ UNVERIFIED |
| LBLaramie Batch Plant | Albany County | WY | — | ◇ UNVERIFIED |
| LCLaramie Concrete Batch Plant | Albany | WY | — | ◇ UNVERIFIED |
| LCLargo Concrete | San Jose | CA | — | ◇ UNVERIFIED |
| LILarms INC | Oakland | CA | — | ◇ UNVERIFIED |
| LELarry E. Knight, INC. | Glyndon | MD | — | ◇ UNVERIFIED |
| LJLarry Jacinto Construction, INC. | Redlands | CA | — | ◇ UNVERIFIED |
| LLat/long_used | Temecula | CA | — | ◇ UNVERIFIED |
| LMLattimore Materials Humble Portable Rmx | Humble | TX | — | ◇ UNVERIFIED |
| LRLawrence Ready Mix | Plympton | MA | — | ◇ UNVERIFIED |
| LCLawson Construction CO | Lincoln County | CO | — | ◇ UNVERIFIED |
| LFL.b. Foster Company | Tucson | AZ | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Laharpe | IL | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Beardstown | IL | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Colchester | IL | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Macomb | IL | — | ◇ UNVERIFIED |
| LSLc Services | Fresno | CA | — | ◇ UNVERIFIED |
| LBLeblanc Brothers Ready Mix, INC. | Houma | LA | — | ◇ UNVERIFIED |
| LILeco Industries | Las Cruces | NM | — | ◇ UNVERIFIED |
| LPLedgeview Precast Concrete INC. | Fond Du Lac | WI | — | ◇ UNVERIFIED |
| LFLee Farms Excavating INC | Paxton | IL | — | ◇ UNVERIFIED |
| LCLee's Concrete Materials | Madera | CA | — | ◇ UNVERIFIED |