| CPClark Pacific | Woodland | 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 |
| CBClayton Block CO. Warehouse Bldg. Demolition | Yardville | NJ | — | ◇ 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 |
| CLCmu, LLC | Puyallup | WA | — | ◇ UNVERIFIED |
| CPCoastal Pit #1 | Gloucester | VA | — | ◇ UNVERIFIED |
| CPCollins Pit | Platte | WY | — | ◇ UNVERIFIED |
| CPColumbia Precast, LLC | Columbia | TN | — | ◇ UNVERIFIED |
| CCComal Concrete Products INC. | New Braunfels | TX | — | ◇ UNVERIFIED |
| CPConart Precast, LLC | Cobb | GA | — | ◇ UNVERIFIED |
| CIConcast INC | Wanamingo | MN | — | ◇ UNVERIFIED |
| CIConcast INC | Zumbrota | MN | — | ◇ UNVERIFIED |
| CBConcrete Buildings Tech INC | Grants Pass | OR | — | ◇ UNVERIFIED |
| CDConcrete Deco, LLC | West Valley City | UT | — | ◇ UNVERIFIED |
| CDConcrete Designs | Morgan Hill | CA | — | ◇ UNVERIFIED |
| CEConcrete Equipment CO in C | Blair | NE | — | ◇ 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 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 Systems, INC. | Hudson | NH | — | ◇ UNVERIFIED |
| CUConcrete Unit Step CO INC | Collinsville | IL | — | ◇ UNVERIFIED |
| CBConecuh Bridge and Engineering, INC. | Troy | AL | — | ◇ UNVERIFIED |
| CCCon-fab California LLC - Shafter Plant | Shafter | CA | — | ◇ UNVERIFIED |
| CMCongress Materials | Euless | TX | — | ◇ UNVERIFIED |
| CGConmat Group INC | Harrisonburg | VA | — | ◇ UNVERIFIED |
| CYConrad Yelvington Distributors INC | Orlando | FL | — | ◇ UNVERIFIED |
| CPConstruction Products, LLC of Tennessee | Jackson | TN | — | ◇ UNVERIFIED |
| CSConstruction Specialty Service, INC Dba Css INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| CCContinental Cast Stone East By Russell, INC. | West Berlin | NJ | — | ◇ UNVERIFIED |
| CCContinental Cast Stone, LLC | Shawnee | KS | — | ◇ UNVERIFIED |
| CCContinental Cement CO INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| CCContinental Cement Company | Buffalo | IA | — | ◇ UNVERIFIED |
| CCContinental Cement Company - Davenport Plant | Buffalo | IA | — | ◇ UNVERIFIED |
| CCContinental Cement Company - Ste. Genevieve | Ste. Genevieve | MO | — | ◇ UNVERIFIED |
| CPContractors Precast CORP. | Davidsonville | MD | — | ◇ UNVERIFIED |
| CCCooper Canyon Boutique Trailers and Tanks, LLC | El Paso | TX | — | ◇ UNVERIFIED |
| CWCooper Wilbert Vault CO | Barrington | NJ | — | ◇ UNVERIFIED |
| CHCopeland Holdings, LLC | Watkins | CO | — | ◇ UNVERIFIED |
| CCCopperfield Chimney Supply CORP | Swedesboro | NJ | — | ◇ UNVERIFIED |
| CRCoral Reef Cast Stone | Manalapan | FL | — | ◇ UNVERIFIED |
| CVCordeiro Vault CO INC | Elk Grove | CA | — | ◇ UNVERIFIED |
| CSCoreslab Structures (ariz) INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| CSCoreslab Structures (atlanta) INC. | Duluth | GA | — | ◇ UNVERIFIED |
| CSCoreslab Structures Indianapolis Incorporated | Indianapolis | IN | — | ◇ UNVERIFIED |
| CSCoreslab Structures (miami) INC. | Doral | FL | — | ◇ UNVERIFIED |
| CSCoreslab Structures Omaha INC | La Platte | NE | — | ◇ UNVERIFIED |
| CCCornerstone Concrete Services LLC | Boise | ID | — | ◇ UNVERIFIED |
| CSCoronado Stone Products | Westfield | NY | — | ◇ UNVERIFIED |
| CMCounty Materials CORP | Elderon | WI | — | ◇ UNVERIFIED |
| CMCounty Materials Corp/ocala Rmp | Ocala | FL | — | ◇ UNVERIFIED |
| CMCounty Materials Laydown Yard Expansion | Maxwell | IN | — | ◇ UNVERIFIED |
| CBCovered Bridge Precast | Ephrata | PA | — | ◇ UNVERIFIED |
| CTCpc Terminals - Wilmington | Wilmington | CA | — | ◇ UNVERIFIED |
| CCCraft Concrete Products INC | Cary | IL | — | ◇ UNVERIFIED |
| CSCreative Stone Mfg, Coronado Stone Prod | Perris | CA | — | ◇ UNVERIFIED |
| CSCreative Stone Mfg,. INC. | Fontana | CA | — | ◇ UNVERIFIED |
| CSCreative Stone Mfg, INC Dba Coronado Stone Products | Fontana | CA | — | ◇ UNVERIFIED |
| CPCrest Precast INC | La Crescent | MN | — | ◇ UNVERIFIED |
| CLCrom, LLC | Gainesville | FL | — | ◇ UNVERIFIED |
| CRCross Roads Industries, INC. | Victoria | TX | — | ◇ UNVERIFIED |
| CIC.s.c.s. INC. | Dallas | TX | — | ◇ UNVERIFIED |
 Cts Cement Manufacturing Corporation | Mexico | MO | — | ◇ UNVERIFIED |
| Cts Cement Manufacturing Corporation Cordele Plant | Cordele | GA | — | ◇ UNVERIFIED |
| CPCtu Precast | Marysville | CA | — | ◇ UNVERIFIED |
| CCCumberland Concrete Corporation | Lavale | MD | — | ◇ UNVERIFIED |
| CCCumberland Concrete Corporation | Lavale | MD | — | ◇ UNVERIFIED |
| CCCustom Concrete Homes | Resaca | GA | — | ◇ UNVERIFIED |
| CICustomcrete, Inc | Saint Louis | MO | — | ◇ UNVERIFIED |
| CPCustom Precast Products | Lumberton | MS | — | ◇ UNVERIFIED |
| CWC. William Hetzer/beaver Creek West | Hagerstown | MD | — | ◇ UNVERIFIED |
| CMCw Mcgrath INC | El Cajon | CA | — | ◇ UNVERIFIED |
| DHD3 Holdings LLC | Whitestown | IN | — | ◇ UNVERIFIED |
| DAD a Distribution Dba Boulder Creek Stone Products | Fridley | MN | — | ◇ UNVERIFIED |
| DAD a Distribution INC Dba Condor Fireplace - Stone | Minneapolis | MN | — | ◇ UNVERIFIED |
| DAD and R Concrete Construction L.L.C. | Williston | ND | — | ◇ UNVERIFIED |
| DWDavid Williams | Pompano Beach | FL | — | ◇ UNVERIFIED |
| DVDavis Vault CO. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| DODawkins On-site LLC | Gregory | TX | — | ◇ UNVERIFIED |
