| JLJuul Labs | Sanger | CA | — | ◇ UNVERIFIED |
| JLJuul Labs, INC. | South San Francisco | CA | — | ◇ UNVERIFIED |
| JLJuul Labs, INC. | Mountain View | CA | — | ◇ UNVERIFIED |
| JLJuul Labs, INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| JLJuul Labs, INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| JLJuul Labs (p&k Research) | Chicago | IL | — | ◇ UNVERIFIED |
| JWJ. W. Kelso Company, INC. | Galveston | TX | — | ◇ UNVERIFIED |
| JWJ W Reynolds Monument Company | Vienna | IL | — | ◇ UNVERIFIED |
| JSJWV Solutions | Barrington | RI | — | ◇ UNVERIFIED |
| JSJWV Solutions | North Smithfield | RI | — | ◇ UNVERIFIED |
| KEKalmar Enterprises Iv, LLC | Jefferson | LA | — | ◇ UNVERIFIED |
| KRKansas Ready-mix | Park City | KS | — | ◇ UNVERIFIED |
| KQKapa'a Quarry, Ready-mix Batch Plant | Kailua | HI | — | ◇ UNVERIFIED |
| KPKauai Precast LLC | Kalaheo | HI | — | ◇ UNVERIFIED |
| KFKauffman Family LP Land Development Renewal | Sadsbury, Township of | PA | — | ◇ UNVERIFIED |
| KRKaysville Ready Mix Concrete | Kaysville | UT | — | ◇ UNVERIFIED |
| KRKca Research INC | San Jose | CA | — | ◇ UNVERIFIED |
| KIKcp Investment Holding LP | Alsip | IL | — | ◇ UNVERIFIED |
| KDK & D Enterprises, INC | Ceres | CA | — | ◇ UNVERIFIED |
| KRKelley Ready Mix LLC | Batavia | OH | — | ◇ UNVERIFIED |
| KRKelley Ready Mix LLC | Batavia | OH | — | ◇ UNVERIFIED |
| KVKelley Vault Co., INC. | Champaign | IL | — | ◇ UNVERIFIED |
| KWKemira Water Solutions, INC. | Eastover | SC | — | ◇ UNVERIFIED |
| KUKennecott Utah Copper LLC | Magna | UT | — | ◇ UNVERIFIED |
| KBKennendale Batch Plant | Mansfield | TX | — | ◇ UNVERIFIED |
| KCKent Cnty 17th Circuit Court Ct Serv Dept | Grand Rapids | MI | — | ◇ UNVERIFIED |
| KCKent Cnty Education & Recycling Ctr | Grand Rapids | MI | — | ◇ UNVERIFIED |
| KCKentucky Concrete INC | Glendale | KY | — | ◇ UNVERIFIED |
| KOKenway-concrete of Kentucky LLC | Brownsville (edmonson) | KY | — | ◇ UNVERIFIED |
| KCKenway Concrete of Ky LLC | Glasgow | KY | — | ◇ UNVERIFIED |
| KPKerkstra Precast INC | Trenton | MI | — | ◇ UNVERIFIED |
| KHKerr's Hickory Ready-mixed Concrete Company, INC. | Hickory | NC | — | ◇ UNVERIFIED |
| KCKey Concrete Industries | Pinellas Park | FL | — | ◇ UNVERIFIED |
| KCK-five Construction CO | Lemont | IL | — | ◇ UNVERIFIED |
| KGK & G Ready Mix INC | Stanton | CA | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Granite City | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Pontoon Beach | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Alton | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Edwardsville | IL | — | ◇ UNVERIFIED |
| KIKienstra INC | Alton | IL | — | ◇ UNVERIFIED |
| KPKienstra Precast | Bridgeton | MO | — | ◇ UNVERIFIED |
| KRKienstra Ready Mix | Florissant | MO | — | ◇ UNVERIFIED |
| KWKiewit Western CO | Loveland Area | CO | — | ◇ UNVERIFIED |
| KAKik Aerosol Socal LLC | City of Industry | CA | — | ◇ UNVERIFIED |
 Kilgore Companies Dba Peak Readymix | Grand Junction | CO | — | ◇ UNVERIFIED |
| KDKilgore Dba Peak Mat - Hagen Port Rmc Ba | Silverthorne | CO | — | ◇ UNVERIFIED |
| KRKilleen Ready Mix | Killeen | TX | — | ◇ UNVERIFIED |
| KRKilleen Ready Mix LTD. | Killeen | TX | — | ◇ UNVERIFIED |
| KSKilleen South Ready Mix | Killeen | TX | — | ◇ UNVERIFIED |
| KBKimball Batch Plant | Kimball | NE | — | ◇ UNVERIFIED |
| KCKing Concrete LLC | Thornton | CO | — | ◇ UNVERIFIED |
| KRKings Ready Mix INC | Brooklyn | NY | — | ◇ UNVERIFIED |
| KRKings Ready Mix INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| KKirkpatrick (oneonta) | Oneonta | AL | — | ◇ UNVERIFIED |
| KCKistner Concrete Products INC | Springville | NY | — | ◇ UNVERIFIED |
| KBKlueter Bros Concrete Products | Edwardsville | IL | — | ◇ UNVERIFIED |
| KMKms Mechanics INC | Fontana | CA | — | ◇ 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 | Gervais | OR | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Molalla | 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 |
| KMKnighton Manufacturing INC | Frontier | MI | — | ◇ 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 |
| KFKnox Fertilizer CO INC | Knox | IN | — | ◇ UNVERIFIED |
| KPKodak Polychrome Graphics | Carlstadt | NJ | — | ◇ UNVERIFIED |
| KIKoncrete Industries Coneco Portable | Walla Walla | WA | — | ◇ UNVERIFIED |
| KCKosciusko Consulting, INC. | Spring Valley | NY | — | ◇ UNVERIFIED |
| KRKoski Ready Mix Sand & Gravel & Oil CO | Esko | MN | — | ◇ UNVERIFIED |
| KCKoss Construction Company 249 | Brule | NE | — | ◇ UNVERIFIED |
| KRKotter Ready-mix | Vienna | IL | — | ◇ UNVERIFIED |
| KAKrazi Aroma, LLC | Orem | UT | — | ◇ 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 |
| KFKundis Fireworks Display | Sebewaing | MI | — | ◇ UNVERIFIED |
 Kurita America | Fort Worth | TX | — | ◇ UNVERIFIED |
| Kurita America INC | Cambridge | MN | — | ◇ UNVERIFIED |
| Kurita America INC. | Wauconda | IL | — | ◇ UNVERIFIED |
| Kurita America INC - Utility Board of Sylacauga | Sylacauga | AL | — | ◇ UNVERIFIED |
| KMKurt Martin Estate | Lasalle | IL | — | ◇ UNVERIFIED |
| KBKwik Bond Polymers LLC | Benicia | CA | — | ◇ 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 |
