| KPKelly Paving, Inc., St. Marys | Saint Marys | WV | — | ◇ UNVERIFIED |
| KSKentucky Stone | Hayden | IN | — | ◇ UNVERIFIED |
| KVKe Vas CO | Jacksonville | IL | — | ◇ UNVERIFIED |
| KSKeyesport Sand & Gravel-pit 2 | Keyesport | IL | — | ◇ UNVERIFIED |
| KLKeystone Lime - Garrett CO Hot Mix | Friendsville | MD | — | ◇ UNVERIFIED |
| KCK-five Construction CO | Chicago | IL | — | ◇ UNVERIFIED |
| KCK-five Construction CORP | Lemont | IL | — | ◇ UNVERIFIED |
| KCKgm Contractors INC - Nonmetallic | Angora | MN | — | ◇ UNVERIFIED |
| KAKiewit - Astec 500 Tph Asphalt Drum Mix Plant Cuba Site | Clayton | NM | — | ◇ UNVERIFIED |
| KAKiewit - Aurora Asphalt Plant | Aurora | CO | — | ◇ UNVERIFIED |
| KCKiewit - Colorado Springs Asphalt Plant | Colorado Springs | CO | — | ◇ UNVERIFIED |
| KIKiewit Inf. - Portable Asphalt Plant | Englewood | CO | — | ◇ UNVERIFIED |
| KIKiewit Infrastructure South CO | Van Buren | AR | — | ◇ UNVERIFIED |
| KPKiewit Pacific Company | Bakersfield | CA | — | ◇ UNVERIFIED |
| KWKiewit Western | Littleton | CO | — | ◇ UNVERIFIED |
| KWKiewit Western CO. (astec 500 Abp) | Out of State | CO | — | ◇ UNVERIFIED |
| KCKilbarger Construction, INC. | Logan | OH | — | ◇ UNVERIFIED |
 Kilgore Companies LLC | American Fork | UT | — | ◇ UNVERIFIED |
| Kilgore Companies LLC | Bluffdale | UT | — | ◇ UNVERIFIED |
| KCKillough Const. (asphalt Plant) (portable) | Ottawa | KS | — | ◇ UNVERIFIED |
| KAKing Asphalt Number 4 | Spartanburg | SC | — | ◇ UNVERIFIED |
| KRKing Road Materials INC | Troy | NY | — | ◇ UNVERIFIED |
| KPKlamath Pacific Edison Plant | Klamath Falls | OR | — | ◇ UNVERIFIED |
| KCKlett Construction Company INC | Paw Paw | MI | — | ◇ UNVERIFIED |
| KBKlug Bros INC | Moundsville | WV | — | ◇ UNVERIFIED |
| KRKnife River - 777-2699 | Kalispell | MT | — | ◇ UNVERIFIED |
| KRKnife River Billings East Site | Billings | MT | — | ◇ UNVERIFIED |
| KRKnife River Cheyenne | Cheyenne | WY | — | ◇ UNVERIFIED |
| KRKnife River CORP N Central - Plant 7 | Little Falls | MN | — | ◇ UNVERIFIED |
| KRKnife River CORP N Central Sauk Rapids | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Dayton | OR | — | ◇ UNVERIFIED |
| KRKnife River Corporation - South Waco Asphalt Plant | Waco | TX | — | ◇ UNVERIFIED |
| KRKnife River Corp-south Bryan Asphalt Plant | Bryan | TX | — | ◇ UNVERIFIED |
| KRKnife River Farmington Asphalt | Beaverton | OR | — | ◇ UNVERIFIED |
| KRKnife River Kirtland Pit | Central Point | OR | — | ◇ UNVERIFIED |
| KRKnife River Materials | Klamath Falls | OR | — | ◇ UNVERIFIED |
| KRKnife River Redmond Asphalt | Redmond | OR | — | ◇ UNVERIFIED |
| KAKoch Asphalt CO | Rock Falls | IL | — | ◇ UNVERIFIED |
| KFKoch Fuel CO Materials Div @ Pettys Island | Pennsauken | NJ | — | ◇ UNVERIFIED |
| KMKoch Material CO | Chicago | IL | — | ◇ UNVERIFIED |
| KMKoch Materials CO | Elberta | MI | — | ◇ UNVERIFIED |
| KMKoch Materials Company | Heath | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials, INC. | Mansfield | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials, INC. | Sheffield Lake | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials INC 514 | Carroll | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials INC - 910 Kw Diesel Fired Generator | Saint Louisville | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials INC - Plant 516 (1652050054) | Medina | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials, INC. -- Plant 522 (1318008747) | Cleveland | OH | — | ◇ UNVERIFIED |
| KMKokosing Materials Plant 505 | Fredericktown | OH | — | ◇ UNVERIFIED |
| KTKol Tar INC | Abington | MA | — | ◇ UNVERIFIED |
| KCKoski Construction CO | Ashtabula | OH | — | ◇ UNVERIFIED |
| KCKoski Construction CO (0204010008) | Ashtabula | OH | — | ◇ UNVERIFIED |
| KOK&r Operating LLC - K&r Carencro | Carencro | LA | — | ◇ UNVERIFIED |
| LCLafarge - Chase Sand Plant | Chase | MD | — | ◇ UNVERIFIED |
| LGLafarge Gordon Asphalt | Denver | CO | — | ◇ UNVERIFIED |
| LNLafarge North America, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Fort Collins | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Fort Collins | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Boulder | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. - Carmbe Recycle Yard | Pueblo | CO | — | ◇ UNVERIFIED |
| LWLafarge West, INC. - Stromquist | Longmont | CO | — | ◇ UNVERIFIED |
| LALake Asphalt Paving & Construction, LLC | Bloomsdale | MO | — | ◇ UNVERIFIED |
| LALake Asphalt Paving Construction - Perryville | Perryville | MO | — | ◇ UNVERIFIED |
| LCLake Cnty | Leadville 4.9 Mi. Sw of | CO | — | ◇ UNVERIFIED |
| LLakeland | Lakeland | MN | — | ◇ UNVERIFIED |
| LPLakeshore Plant | Birmingham | AL | — | ◇ UNVERIFIED |
| LILakeside Industries Aberdeen | Aberdeen | WA | — | ◇ UNVERIFIED |
| LILakeside Industries INC | Portland | OR | — | ◇ UNVERIFIED |
| LILakeside Industries Issaquah 032 | Issaquah | WA | — | ◇ UNVERIFIED |
| LILakeside Industries Little Monroe | Monroe | WA | — | ◇ UNVERIFIED |
| LILakeside Industries Olympia Airport | Olympia | WA | — | ◇ UNVERIFIED |
| LSLamar Sw | Lamar | CO | — | ◇ UNVERIFIED |
| LLambert | Hollywood | AL | — | ◇ UNVERIFIED |
| LCLane Const CORP - Calais (24) | Calais | ME | — | ◇ UNVERIFIED |
| LCLane Const CORP Dba Sunrise Matls (35) | Orono | ME | — | ◇ UNVERIFIED |
| LCLane Construction | Edgewater | FL | — | ◇ UNVERIFIED |
| LCLane Construction | Houlton | ME | — | ◇ UNVERIFIED |
| LCLane Construction CORP | Westfield | MA | — | ◇ UNVERIFIED |
| LCLane Construction CORP | Pittsfield | MA | — | ◇ UNVERIFIED |
| LCLane Construction CORP | Sheffield | MA | — | ◇ UNVERIFIED |
| LCLane Construction CORP | Adams | MA | — | ◇ UNVERIFIED |
| LCLane Construction Corporate Office | Hermon | ME | — | ◇ UNVERIFIED |
| LCLane Construction Plant & Quarry | Northfield | MA | — | ◇ UNVERIFIED |
| LMLane Mckees Rock Asphalt Plt/mckees Rock | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| LCLanier Construction Company Incorporated Gaston | Gaston | SC | — | ◇ UNVERIFIED |
| LELash Excavating & Paving Plant 2 (portab | Toronto | OH | — | ◇ UNVERIFIED |
| LVLas Vegas Paving | Las Vegas | NV | — | ◇ UNVERIFIED |
| LVLas Vegas Paving | Henderson | NV | — | ◇ UNVERIFIED |
| LVLas Vegas Paving - Kapex | Las Vegas | NV | — | ◇ UNVERIFIED |
| LMLattimore Materials CORP - Royse City Rmx | Royse City | TX | — | ◇ UNVERIFIED |
| LSLaurel Sand and Gravel, INC. - Elkridge | Elkridge | MD | — | ◇ UNVERIFIED |
| LSLaurel Sand & Gravel, INC - Laurel | Laurel | MD | — | ◇ UNVERIFIED |
| LWLause Warehouse | Fort Myers | FL | — | ◇ UNVERIFIED |
| LCLaverdiere Construction INC Dba Lci Asphalt CO | Colchester | IL | — | ◇ UNVERIFIED |
| LILavinal INC | Cle Elum | WA | — | ◇ UNVERIFIED |
| LLLawrence Lynch CORP | Falmouth | MA | — | ◇ UNVERIFIED |
| LCLci Concrete INC | Monmouth | IL | — | ◇ UNVERIFIED |
| LLLci Lineberger Construction Incorporated | Richburg | SC | — | ◇ UNVERIFIED |
| LHLee Hy Paving Corporation - Chester | Chester | VA | — | ◇ UNVERIFIED |
