| CSCentral Supply Company of West Virginia | Gassaway | WV | — | ◇ UNVERIFIED |
| CSCentral Supply Company of Wv | Clarksburg | WV | — | ◇ UNVERIFIED |
| CSCentral Supply Company Rmc | Mount Hope | WV | — | ◇ UNVERIFIED |
| CVCentral Valley Ag | Humphrey | NE | — | ◇ UNVERIFIED |
| CVCentral Valley Concrete | Chowchilla | CA | — | ◇ UNVERIFIED |
| CVCentral Valley Concrete | Merced | CA | — | ◇ UNVERIFIED |
| CVCentral Valley Concrete Denair Plant | Denair | CA | — | ◇ UNVERIFIED |
| CVCentral Valley Concrete, INC. | Turlock | CA | — | ◇ UNVERIFIED |
| CWCentral Washington Concrete Moses Lake | Moses Lake | WA | — | ◇ UNVERIFIED |
| CWCentral Washington Concrete Othello | Othello | WA | — | ◇ UNVERIFIED |
| CACentury Acquistion INC | Adams | MA | — | ◇ UNVERIFIED |
| CACentury Acquistion INC | Lenox Dale | MA | — | ◇ UNVERIFIED |
| CCCentury Concrete Inc-tiffany Springs | Kansas City | MO | — | ◇ UNVERIFIED |
| CRCentury Ready Mix | Ruston | LA | — | ◇ UNVERIFIED |
| CRCe Ready Mix/irwin Concrete | Irwin | PA | — | ◇ UNVERIFIED |
| CPCeres Porta-mix Concrete and Rock | Ceres | CA | — | ◇ UNVERIFIED |
| CCCertified Concrete INC. | Escondido | CA | — | ◇ UNVERIFIED |
| CRCfi Ready Mixed Concrete INC | Lillington | NC | — | ◇ UNVERIFIED |
| CMChampion Materials INC | Carthage | NY | — | ◇ UNVERIFIED |
| CCChandler Concrete Co., Inc./piedmont | Greensboro | NC | — | ◇ UNVERIFIED |
| CCChandler Concrete Company INC | Moneta | VA | — | ◇ UNVERIFIED |
| CCChandler Concrete/piedmont, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| CCChandler Concrete/piedmont, INC. - Randleman Plant 110 | Randleman | NC | — | ◇ UNVERIFIED |
| CCChandler Concrete / Piedmont INC. - Sal | Salisbury | NC | — | ◇ UNVERIFIED |
| CEChaney Enterprises Limited Partnership | Hyattsville | MD | — | ◇ UNVERIFIED |
| CBChaplin Block | Bedford Heights | OH | — | ◇ UNVERIFIED |
| CCCharleston Concrete Company | Charleston | SC | — | ◇ UNVERIFIED |
| CRCharleston Ready Mix Inc-charleston | Charleston | MO | — | ◇ UNVERIFIED |
| CRChattanooga Ready Mix Company | Chattanooga | TN | — | ◇ UNVERIFIED |
| CCCherry Crushed Concrete, INC. | Fresno | TX | — | ◇ UNVERIFIED |
| CCChevreaux Concrete Plant, Aubu | Auburn | CA | — | ◇ UNVERIFIED |
| CCCheyenne Concrete Batch Plant | Laramie | WY | — | ◇ UNVERIFIED |
| CCChico Concrete Supply | Chico | CA | — | ◇ UNVERIFIED |
| CIChico Iron Works INC | Chico | CA | — | ◇ UNVERIFIED |
| CCChoice Concrete Company, LLC | Byron | GA | — | ◇ UNVERIFIED |
| CRChoice Ready Mix Concrete | Tye | TX | — | ◇ UNVERIFIED |
| CCChristy Concrete Products | Madera | CA | — | ◇ UNVERIFIED |
| CMChuck Meadors, INC | Ashtabula | OH | — | ◇ UNVERIFIED |
| CDCic - Del Zotto Plant | Ocala | FL | — | ◇ UNVERIFIED |
| CMCic Marion | Ocala | FL | — | ◇ UNVERIFIED |
| CPCic ? Pole Plant | Belle Glade | FL | — | ◇ UNVERIFIED |
| CPCinco Plant | Richmond | TX | — | ◇ UNVERIFIED |
| CCCinder Cone Mine | Lathrop Wells | NV | — | ◇ UNVERIFIED |
| CBCind-r-lite Block Company | North Las Vegas | NV | — | ◇ UNVERIFIED |
| CBCind-r-lite Block Company | Las Vegas | NV | — | ◇ UNVERIFIED |
| CCCity Concrete Company | Olive Branch | MS | — | ◇ UNVERIFIED |
| CCCity Concrete (deleted 4/1977) | Englewood | CO | — | ◇ UNVERIFIED |
| CMCityready Mix, INC. | Laredo | TX | — | ◇ UNVERIFIED |
| CSCity Supply CO | Columbia | KY | — | ◇ UNVERIFIED |
| CJC. J. Mahan Construction Company | Chattanooga | TN | — | ◇ UNVERIFIED |
| CCClarkson Construction Co-kansas City (hwy 71) | Kansas City | MO | — | ◇ UNVERIFIED |
| CCClarkson Construction Co-kansas City (prospect) | Kansas City | MO | — | ◇ UNVERIFIED |
| CCClarkson Construction Company (6222- Pugmill)(air) | Manhattan | KS | — | ◇ UNVERIFIED |
| CCClarkson Construction Company (stormwater) | Cherryvale | KS | — | ◇ UNVERIFIED |
| CCClarkson Construction Company (stormwater-de-soto) | De Soto | KS | — | ◇ UNVERIFIED |
| CSClaxton Smith & Sons Concrete Company | Poca | WV | — | ◇ UNVERIFIED |
| CSClaxton Smith & Sons Concrete Company, West Charl | Charleston | WV | — | ◇ UNVERIFIED |
| CLClearlake Lava Dba Clearcast Concrete | Colusa | CA | — | ◇ UNVERIFIED |
| CRClearlake Redi-mix/lakeport | Lakeport | CA | — | ◇ UNVERIFIED |
| CCClearwater Concrete INC | Ontario | OR | — | ◇ UNVERIFIED |
| CPCleburne Plant | Cleburne | TX | — | ◇ UNVERIFIED |
| CRCleveland Rmc Plant | Cleveland | TX | — | ◇ UNVERIFIED |
| CRClifton Ready Mix | Clifton | TX | — | ◇ UNVERIFIED |
| CRClinton Ready Mix (fische | Clinton | MO | — | ◇ UNVERIFIED |
| CCCloud Concrete Products | Lexington | KY | — | ◇ UNVERIFIED |
| CCClovis Concrete - 48 Cu Yd Concrete Batch Plant No0964 | Clovis | NM | — | ◇ UNVERIFIED |
| CGClub Green LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| CPCmc Plant 5 - Ict | Wichita | KS | — | ◇ UNVERIFIED |
| CRCmc Recycling | Ocala | FL | — | ◇ UNVERIFIED |
| CSCoady Supply Co., INC. | Springfield | IL | — | ◇ UNVERIFIED |
| CACoast Aggregates | San Diego | CA | — | ◇ UNVERIFIED |
| CACoastal an Oldcastle CO Pensacola Block | Pensacola | FL | — | ◇ UNVERIFIED |
| CCCoastal Cement CORP | Boston | MA | — | ◇ UNVERIFIED |
| CCCoastal Concrete Southeast Ii LLC | Charleston | SC | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix Coden Csw | Coden | AL | — | ◇ UNVERIFIED |
| CCCoast Concrete Company, LLC | Palmetto | FL | — | ◇ UNVERIFIED |
| CMCoast Materials Company | Biloxi | MS | — | ◇ UNVERIFIED |
| CRCobra Ready Mix | Rialto | CA | — | ◇ UNVERIFIED |
| CICochran Industries INC - Ky | Pikeville | KY | — | ◇ UNVERIFIED |
| CICochran Industries INC - Ky | Robinson Crk | KY | — | ◇ UNVERIFIED |
| CPCode Precast Products INC | Shafter | CA | — | ◇ UNVERIFIED |
| CCCody Concrete Batch Plant (ct-1557) | Park | WY | — | ◇ UNVERIFIED |
| CCCody Concrete: Industrial Dra | Cody | WY | — | ◇ UNVERIFIED |
| CCColeman Conrete, INC. | Conway | NH | — | ◇ UNVERIFIED |
| CAColt Associates, LLC | Pinehurst | TX | — | ◇ UNVERIFIED |
| CCColt Concrete Industries | Pinehurst | TX | — | ◇ UNVERIFIED |
| CMColumbia Machine, INC. | Sullivan | MO | — | ◇ UNVERIFIED |
| CRCommercial Ready Mix - Ahoskie Sr 1130 | Ahoskie | NC | — | ◇ UNVERIFIED |
| CBCommonwealth Block CO INC | Lexington | KY | — | ◇ UNVERIFIED |
| CRCommunity Ready Mix of Beardstown INC | Beardstown | IL | — | ◇ UNVERIFIED |
| CRCommunity Ready Mix of Pittsfield INC | Pittsfield | IL | — | ◇ UNVERIFIED |
| CRConcord Ready Mix INC | Antioch | CA | — | ◇ UNVERIFIED |
| CAConcrete Aggregate Products - Weaverville | Weaverville | CA | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant | Jackson | WY | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant-artesia, Gcp5-1707 | Artesia | NM | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant-carlsbad, Gcp5-6785 | Carlsbad | NM | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant-carrizozo, Gcp5-6747 | Carrizozo | NM | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant-eagle Ready Mix, Gcp5-3488 | Gamerco | NM | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant, Gcp5-3610 | Socorro | NM | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant. Gcp5-4212 | Rio Rancho | NM | — | ◇ UNVERIFIED |