| CCCellular Concrete Solutions LLC | Allentown | PA | — | ◇ UNVERIFIED |
| CLCellxion LLC. | Bossier City | LA | — | ◇ UNVERIFIED |
| CLCellxion LLC - Sabre Building Systems By Cellxion | Bossier City | LA | — | ◇ UNVERIFIED |
| CICement Industries INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| CPCement Products Manufacturing CO | Redmond | OR | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Atlantic L | Hendersonville | NC | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Atlantic, LLC - | Marion | NC | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Atlantic, LLC Colfax | Colfax | NC | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Atlantic, LLC - Franklin | Franklin | NC | — | ◇ UNVERIFIED |
| CMCemex Materials LLC | Bernalillo | NM | — | ◇ UNVERIFIED |
| CLCemrock Landscapes, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| CCCentermoreland Concrete Products | Tunkhannock | PA | — | ◇ UNVERIFIED |
| CCCentinela Concrete Vault CO Dba Enderle Vault CO | Inglewood | CA | — | ◇ UNVERIFIED |
| CACentral Arizona Block, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| CCCentral Concrete Supply CO INC | Martinez | CA | — | ◇ UNVERIFIED |
| CCCentral Concrete Supply CO INC | Montara | CA | — | ◇ UNVERIFIED |
| CKCentral Ky Mixed Concrete | Berea | KY | — | ◇ UNVERIFIED |
| CMCentral Materials, LLC | Central Point | OR | — | ◇ UNVERIFIED |
| CMCentral Missouri Vaults, INC | New Bloomfield | MO | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Prestress CO | Spokane | WA | — | ◇ UNVERIFIED |
| CPCentral Processing Corporation | Eau Claire | WI | — | ◇ UNVERIFIED |
| CRCentral Rock Corporation/southwinds Express Construction, Llc/scott Materials, I | Scott | LA | — | ◇ UNVERIFIED |
| CSCentral Sarasota Recycling LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| CVCentral Valley Ag | Humphrey | NE | — | ◇ UNVERIFIED |
| CVCentral Valley Concrete, INC. | Denair | CA | — | ◇ UNVERIFIED |
| CPCenturion Products LLC | Nashville | TN | — | ◇ UNVERIFIED |
| CGCentury Group, INC. | Greenville | AL | — | ◇ UNVERIFIED |
| CGCentury Group, INC. | Princeton | NC | — | ◇ UNVERIFIED |
| CPCentury Precast Products, LLC | Ocala | FL | — | ◇ UNVERIFIED |
| CSCentury Steps INC. | Muskogee | OK | — | ◇ UNVERIFIED |
| CVCentury Vault Company, Incorporated | Oxford | MA | — | ◇ UNVERIFIED |
| CRCfi Ready Mixed Concrete INC | Lillington | NC | — | ◇ UNVERIFIED |
| CSCga Stone Casting, LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| CBChampaign Builders Supply CO | Champaign | IL | — | ◇ UNVERIFIED |
| CBChaplin Block | Bedford Heights | OH | — | ◇ UNVERIFIED |
| CCCharlotte's Concrete, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| CPChase Precast Div of Oldcastle | North Brookfield | MA | — | ◇ UNVERIFIED |
| CCChesapeake City of - Public Works | Chesapeake | VA | — | ◇ UNVERIFIED |
| CIChloronova Inc. | Carlsbad | CA | — | ◇ UNVERIFIED |
| CCChristy Concrete Prods INC | Marysville | CA | — | ◇ UNVERIFIED |
| CCChristy Concrete Products/div | Fremont | CA | — | ◇ UNVERIFIED |
| CVChristy Vault Company Tulare | Tulare | CA | — | ◇ UNVERIFIED |
| CBChuck's Burial Vaults, INC. | Bartow | FL | — | ◇ UNVERIFIED |
| CCinao | Hamilton | OH | — | ◇ 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 |
| CPClark Pacific | Woodland | CA | — | ◇ UNVERIFIED |
| CPClark Pacific | Fontana | CA | — | ◇ UNVERIFIED |
| CPClark Pacific Adelanto Precast Plant | Adelanto | CA | — | ◇ UNVERIFIED |
| CCClassic Cast | Freeport | FL | — | ◇ UNVERIFIED |
| CGClassic Garden Ornaments, LTD. | Pomona | IL | — | ◇ UNVERIFIED |
| CGClassic Granite & Marble, INC. | Jessup | MD | — | ◇ UNVERIFIED |
| CMClassic Marble CO | Nettie | WV | — | ◇ UNVERIFIED |
| CSClassic Surrounds LLC | Cordele | GA | — | ◇ UNVERIFIED |
| CLClearlake Lava Dba Clearcast Concrete | Colusa | CA | — | ◇ UNVERIFIED |
| CCClearwater, City of - Master Reuse System | Clearwater | FL | — | ◇ UNVERIFIED |
| CCClearwater Concrete, INC. | Kooskia | ID | — | ◇ UNVERIFIED |
| CPCleburne Plant | Cleburne | TX | — | ◇ UNVERIFIED |
| CBClick Burial Vault | New Philadelphia | OH | — | ◇ UNVERIFIED |
| CGClovis Gunite & Materials INC | Clovis | CA | — | ◇ UNVERIFIED |
| CGClub Green LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| CSCoady Supply Co., INC. | Springfield | IL | — | ◇ UNVERIFIED |
| CACoast Aggregates | San Diego | CA | — | ◇ UNVERIFIED |
| CACoastal an Oldcastle CO Defuniak Springs Block | Defuniak Springs | FL | — | ◇ UNVERIFIED |
| CACoastal an Oldcastle CO Pensacola Block | Pensacola | FL | — | ◇ UNVERIFIED |
| CPCoastal Pit #1 | Gloucester | VA | — | ◇ UNVERIFIED |
| CICochran Industries INC - Ky | Pikeville | KY | — | ◇ UNVERIFIED |
| CICochran Industries INC - Ky | Robinson Crk | KY | — | ◇ UNVERIFIED |
| CMColumbia Machine, INC. | Sullivan | MO | — | ◇ UNVERIFIED |
| CPColumbia Precast, LLC | Columbia | TN | — | ◇ UNVERIFIED |
| CCComal Concrete Products INC. | New Braunfels | TX | — | ◇ UNVERIFIED |
| CBCommonwealth Block CO INC | Lexington | KY | — | ◇ UNVERIFIED |
| CPConart Precast, LLC | Cobb | GA | — | ◇ UNVERIFIED |
| CIConcast INC | Zumbrota | MN | — | ◇ UNVERIFIED |
| CIConcast INC | Wanamingo | MN | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant, Gcp5-7959 | Bernalillo | NM | — | ◇ UNVERIFIED |
| CBConcrete & Block CO | Aurora | IL | — | ◇ UNVERIFIED |
| CBConcrete Buildings Tech INC | Grants Pass | OR | — | ◇ UNVERIFIED |
| CDConcrete Deco, LLC | West Valley City | UT | — | ◇ UNVERIFIED |
| CDConcrete Designs | Morgan Hill | CA | — | ◇ UNVERIFIED |
| CFConcrete Fabricators, INC. | Wheeling | WV | — | ◇ UNVERIFIED |
| CIConcrete Impressions of Florida INC - Precasting Facility | Tampa | FL | — | ◇ UNVERIFIED |
| CIConcrete Intelligence Agency LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| CMConcrete & More | Rocheport | MO | — | ◇ UNVERIFIED |
| CNConcrete Norwest Getchell Pit | Lake Stevens | WA | — | ◇ UNVERIFIED |
| CPConcrete Pipe and Precast | Oxford | NC | — | ◇ UNVERIFIED |
| CPConcrete Pipe & Precast - Denver | Denver | NC | — | ◇ UNVERIFIED |
| CPConcrete Precast Products, INC. | Gainesville | FL | — | ◇ UNVERIFIED |
| CPConcrete Products Company | Charleston | SC | — | ◇ UNVERIFIED |
| CPConcrete Products INC | Tracy | CA | — | ◇ UNVERIFIED |
| CPConcrete Products INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CPConcrete Products of Western Washington | Puyallup | WA | — | ◇ UNVERIFIED |
| CSConcrete Safety Systems, LLC | Bethel | PA | — | ◇ UNVERIFIED |
| CSConcrete Shop INC | Vancouver | WA | — | ◇ UNVERIFIED |
| CSConcrete Specialties CO | Franklin Park | IL | — | ◇ UNVERIFIED |
| CSConcrete Specialties CO Hazel Crest | Markham | IL | — | ◇ UNVERIFIED |
| CSConcrete Step Units INC | Scranton | PA | — | ◇ UNVERIFIED |
| CSConcrete Supply Company, LLC - Albemarle | Albemarle | NC | — | ◇ UNVERIFIED |
| CSConcrete Systems, INC. | Hudson | NH | — | ◇ UNVERIFIED |
