| CMCounty Materials Laydown Yard Expansion | Maxwell | IN | — | ◇ UNVERIFIED |
| CBCovered Bridge Precast | Ephrata | PA | — | ◇ 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 |
| CIC.s.c.s. INC. | Dallas | TX | — | ◇ UNVERIFIED |
| CPCtu Precast | Marysville | CA | — | ◇ UNVERIFIED |
| CCCustom Concrete Homes | Resaca | GA | — | ◇ UNVERIFIED |
| CICustomcrete, Inc | Saint Louis | MO | — | ◇ UNVERIFIED |
| CPCustom Precast Products | Lumberton | MS | — | ◇ 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 |
| DEDawn Enterprises, LLC | Manchester | CT | — | ◇ UNVERIFIED |
| DCDba Cornick Concrete Products | Pekin | IL | — | ◇ UNVERIFIED |
| DPDbs Prestress | Dayton | OH | — | ◇ UNVERIFIED |
| DBDeam-ron Building Systems LLC | Lodiburg | KY | — | ◇ UNVERIFIED |
| DCDean Column Incorporated | Fitchburg | MA | — | ◇ UNVERIFIED |
| DCDecatur Concrete Recycling CO | Decatur | IL | — | ◇ UNVERIFIED |
| DHDectile Harkus Construction | Butler | PA | — | ◇ UNVERIFIED |
| DDDegeorge Driveways | Largo | FL | — | ◇ UNVERIFIED |
| DVDeihl Vault & Precast, INC. | Orangeville | PA | — | ◇ UNVERIFIED |
| DCDelgado Concrete Products | San Antonio | TX | — | ◇ UNVERIFIED |
| DMDel Monaco Brothers Industries | Sands Point | NY | — | ◇ UNVERIFIED |
| DRDennis R. Maxwell | Auburndale | FL | — | ◇ UNVERIFIED |
| DBDependable Bagging Co., INC. | Harahan | LA | — | ◇ UNVERIFIED |
| DBDependable Bagging Company, Inc/louisiana Blending | New Orleans | LA | — | ◇ UNVERIFIED |
| DCDesert Concrete, LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| DPDesign Precast & Pipe, INC. | Arnaudville | LA | — | ◇ UNVERIFIED |
| DCDfw Cast Stone | Royse City | TX | — | ◇ UNVERIFIED |
| DCDiaz Construction | Bogart | GA | — | ◇ UNVERIFIED |
| DCDicicco Concrete Products CO | Chicago Heights | IL | — | ◇ UNVERIFIED |
| DCDick Casey Concrete CO | Carbondale | CO | — | ◇ UNVERIFIED |
| DIDi-ferraro, INC Dba Totowa Concrete Products | Wayne | NJ | — | ◇ UNVERIFIED |
| DSDimensional Stoneworks LLC | Overland Park | KS | — | ◇ UNVERIFIED |
| DCDiversified Concrete Cutting INC | Sacramento | CA | — | ◇ UNVERIFIED |
| DDiversitech | Leesburg | FL | — | ◇ UNVERIFIED |
| DDiversitech | Columbus | TX | — | ◇ UNVERIFIED |
| DCDiversitech Corporation | Conyers | GA | — | ◇ UNVERIFIED |
| DPDixie Precast, INC. | Austell | GA | — | ◇ UNVERIFIED |
| DJD & J Architectural Precast, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| DPD.l.s. Prestressed INC. | Hallandale Beach | FL | — | ◇ UNVERIFIED |
