| CCCaliber Cast Stone | O Fallon | MO | — | ◇ UNVERIFIED |
| CLCalifornia Landscape Supply | Ceres | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement | Littlerock | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement CO | Torrance | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement CO | Irwindale | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement - Vista Chino | Thousand Palms | CA | — | ◇ UNVERIFIED |
| CCCallahan Concrete Company | Lexington | NC | — | ◇ UNVERIFIED |
| CCCalmat CO | Poway | CA | — | ◇ UNVERIFIED |
| CCCalmat CO. | Bakersfield | CA | — | ◇ UNVERIFIED |
| CCCalmat CO. | Fresno | CA | — | ◇ UNVERIFIED |
| CCCalmat CO Dba Shamrock Materials | Napa | CA | — | ◇ UNVERIFIED |
| CCCalmat Company Dba Shamrock Materials INC | Petaluma | CA | — | ◇ UNVERIFIED |
| CCCalmat Company Dba Shamrock Materials-st Helena Plant | Saint Helena | CA | — | ◇ UNVERIFIED |
| CCCalmat CO (owner) | Upland | CA | — | ◇ UNVERIFIED |
| CGCalmat - Goleta | Goleta | CA | — | ◇ UNVERIFIED |
| COCalmat of Fresno | Fresno | CA | — | ◇ UNVERIFIED |
| CMCal Mix Concrete Co, Inc, Dba California Ready Mix | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CCCalportland City of Champions | Inglewood | CA | — | ◇ UNVERIFIED |
| CCCalportland Company | Palm Springs | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Escondido | Escondido | CA | — | ◇ UNVERIFIED |
| CCCalportland Company - Oceanside | Oceanside | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Poorman Plant | Tucson | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company Sky Harbor Plant | Phoenix | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company (stockton West) | Stockton | CA | — | ◇ UNVERIFIED |
 Calportland Construction | Templeton | CA | — | ◇ UNVERIFIED |
| Calportland Construction - 1529 E. Donovan Rd | Santa Maria | CA | — | ◇ UNVERIFIED |
| Calportland Construction - a St, Lompoc | Lompoc | CA | — | ◇ UNVERIFIED |
| Calportland Construction, Slo | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| Calportland Construction - Solvang Cbp | Solvang | CA | — | ◇ UNVERIFIED |
| CMCalportland Mcminnville Ready Mix Plant | Mcminnville | OR | — | ◇ UNVERIFIED |
| CNCalportland Newberg Ready Mix Plant | Newberg | OR | — | ◇ UNVERIFIED |
| CNCalportland New River Plant | Phoenix | AZ | — | ◇ UNVERIFIED |
| CSCalportland Sandy Plant | Sandy | OR | — | ◇ UNVERIFIED |
| CWCalportland White Hills Facility | White Hills | AZ | — | ◇ UNVERIFIED |
| CCCalstone Company | Sunnyvale | CA | — | ◇ UNVERIFIED |
| CCCalstone Company | San Martin | CA | — | ◇ UNVERIFIED |
| CCCalstone Company | Tracy | CA | — | ◇ UNVERIFIED |
| CCCalstone Company | Galt | CA | — | ◇ UNVERIFIED |
| CCCalstone Company Dba Mission Concrete Products | Gilroy | CA | — | ◇ UNVERIFIED |
| CTCalstone Tracy-oldcastle Apg | Tracy | CA | — | ◇ UNVERIFIED |
| CCCamas Colorado INC Ready Mix Division.cn | Idaho Springs | CO | — | ◇ UNVERIFIED |
| CCCameron Concrete-cameron | Cameron | MO | — | ◇ UNVERIFIED |
| CPCameron Park | Shingle Springs | CA | — | ◇ UNVERIFIED |
| CCCampbell County Concrete (re-181) | Gillette | WY | — | ◇ UNVERIFIED |
| CRCampbell Rmc Baytown | Baytown | TX | — | ◇ UNVERIFIED |
| CRCampbell Rmc Porter | Porter | TX | — | ◇ UNVERIFIED |
| CRCampbell Rmc Tamina - Plant 31 | Conroe | TX | — | ◇ UNVERIFIED |
| CRCampbell Rmc Tomball | Tomball | TX | — | ◇ UNVERIFIED |
| CAC and E Concrete - 340tph Concrete Batch Plant | Milan | NM | — | ◇ UNVERIFIED |
| CBCantelli Block & Brick | Huron | OH | — | ◇ UNVERIFIED |
| CRCanton Ready-mix INC | Canton | IL | — | ◇ UNVERIFIED |
| CRCanton Ready-mix INC | Havana | IL | — | ◇ UNVERIFIED |
| CRCanton Redi Mix INC | Canton | IL | — | ◇ UNVERIFIED |
| CRCanton Redi-mix Portable Plt | Dallas City | IL | — | ◇ UNVERIFIED |
| CCCape Cod Ready Mix Dennis Maintenance Facility | South Dennis | MA | — | ◇ UNVERIFIED |
| CCCape Cod Redi Mix Concrete | Brewster | MA | — | ◇ UNVERIFIED |
| CCCape Cod Redi Mix Concrete | Eastham | MA | — | ◇ UNVERIFIED |
| CCCapital Concrete CO | Lincoln | NE | — | ◇ UNVERIFIED |
| CDCapital District Batching CO | Albany | NY | — | ◇ UNVERIFIED |
| CRCapital Ready Mix | Lincoln | CA | — | ◇ UNVERIFIED |
| CRCapital Ready Mix INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| CCCapitol Concrete Products | Topeka | KS | — | ◇ UNVERIFIED |
| CRCapitol Ready Mix | Sacramento | CA | — | ◇ UNVERIFIED |
| CRCapitol Ready Mix | Mount Pulaski | IL | — | ◇ UNVERIFIED |
| CRCapitol Ready-mix, INC. | Springfield | IL | — | ◇ UNVERIFIED |
| CRCarbon Rivers Western Avenue Site | Knoxville | TN | — | ◇ UNVERIFIED |
| CCCarder Concrete Products CO | Littleton | CO | — | ◇ UNVERIFIED |
| CCCarder Concrete Products Company | Brighton | CO | — | ◇ UNVERIFIED |
| CCCardinal Concrete Plant | Lorton | VA | — | ◇ UNVERIFIED |
| CRCardinal Red-e-mix | East Moline | IL | — | ◇ UNVERIFIED |
| CRCardinal Red-e-mix CO | Carbon Cliff | IL | — | ◇ UNVERIFIED |
| CCCarlin Cbp | Carlin | NV | — | ◇ UNVERIFIED |
| CICarlo-ditta, INC. | Saint Rose | LA | — | ◇ UNVERIFIED |
| CDCarlo Ditta, INC Ready Mix Concrete | New Orleans | LA | — | ◇ UNVERIFIED |
| CDCarlo Ditta, INC Ready Mix Concrete | New Orleans | LA | — | ◇ UNVERIFIED |
| CRCarl Rose & Sons Ready-mix Concrete, INC. - Jonesville Plant | Jonesville | NC | — | ◇ UNVERIFIED |
| CECarolina East Enterprises, Inc | Enfield | NC | — | ◇ UNVERIFIED |
| CRCarolina Readymix & Building Supply, LLC - Enka | Candler | NC | — | ◇ UNVERIFIED |
| CRCarolina Ready Mix LLC Clover Plant | Clover | SC | — | ◇ UNVERIFIED |
| CRCarolina Ready Mix, LLC - Oib | Ocean Isle Beach | NC | — | ◇ UNVERIFIED |
| CRCarolina Ready Mix, LLC - Tabor City | Tabor City | NC | — | ◇ UNVERIFIED |
| CSCarolina Sunrock Corporation | Butner | NC | — | ◇ UNVERIFIED |
| CCCarroll Concrete | Swanton | VT | — | ◇ UNVERIFIED |
| CCCarroll Concrete | Berlin | VT | — | ◇ UNVERIFIED |
| CCCarroll Concrete | Vernon | VT | — | ◇ UNVERIFIED |
| CCCarroll Concrete CO (johnson) | Johnson | VT | — | ◇ UNVERIFIED |
| CBCarroll's Building Materials | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| CPCarr Precast Concrete, INC. | Dunn | NC | — | ◇ UNVERIFIED |
| CGCasa Grande South Plant | Casa Grande | AZ | — | ◇ UNVERIFIED |
| CRCasa Redimix Concrete CORP. | Bronx | NY | — | ◇ UNVERIFIED |
| CCCasella Concrete & Aggregate, INC. | West Lebanon | NH | — | ◇ UNVERIFIED |
| CSCase Street Redi-mix, INC | Hancock | VT | — | ◇ UNVERIFIED |
| CMCasper/kaycee Mobile Grout Pl | Johnson County | WY | — | ◇ UNVERIFIED |
| CBCastle Bldr Supply New Castle | New Castle | PA | — | ◇ UNVERIFIED |
| CKCastle & King Rock & Ready Mix, INC. | Vacaville | CA | — | ◇ UNVERIFIED |
| CBCastlelite Block LLC | Dixon | CA | — | ◇ UNVERIFIED |
| CRCastle Rock Const - Q150 Plant, Port Cbp | Centennial | CO | — | ◇ UNVERIFIED |
| CPCastroville Plant | San Antonio | TX | — | ◇ UNVERIFIED |
| CPCatalina Pacific Concrete CO Canoga Park Plant | Canoga Park | CA | — | ◇ UNVERIFIED |
| CPCatalina Pacific Concrete CO Irvine Plant | Irvine | CA | — | ◇ UNVERIFIED |
