| CPCounty Prestress LLC | Salem | IL | — | ◇ UNVERIFIED |
| CMCowhey Materials and Fuel | Chicago | IL | — | ◇ UNVERIFIED |
| CPCox Petroleum | Longmont | CO | — | ◇ UNVERIFIED |
| CGCoyote Gravel Products INC. | Albuquerque | NM | — | ◇ UNVERIFIED |
| CRCoyote Ready Mix - Concrete Batch Plant 1 | Magnolia | TX | — | ◇ UNVERIFIED |
| CICpc Isle | Isle | MN | — | ◇ UNVERIFIED |
| CSCpc Southwest Materials Rio Rico Plant | Rio Rico | AZ | — | ◇ UNVERIFIED |
| CDCpm Development | Independence | OR | — | ◇ UNVERIFIED |
| CDCpm Development Corporation Quincy | Quincy | WA | — | ◇ UNVERIFIED |
| CCCr210 Concrete Plant | Saint Johns | FL | — | ◇ UNVERIFIED |
| CPCrane Plant | Crane | TX | — | ◇ UNVERIFIED |
| CPCranny Pit | Idaho Falls | ID | — | ◇ UNVERIFIED |
| CRC R Butler Concrete | Orange | VA | — | ◇ UNVERIFIED |
| CLCreekview Loading Site | San Antonio | TX | — | ◇ UNVERIFIED |
| CBCreston Biodiesel Refinery | Creston | WA | — | ◇ UNVERIFIED |
| CRCrestview Ready Mix - Crestview Plant | Crestview | FL | — | ◇ UNVERIFIED |
| CSCrete Solutions LLC - Rock Hill Plant 13 | Rock Hill | SC | — | ◇ UNVERIFIED |
| CACrider and Shockey Incorporated - Marshall | Marshall | VA | — | ◇ UNVERIFIED |
| CSCrider & Shockey INC - Riverton | Front Royal | VA | — | ◇ UNVERIFIED |
| CSCrider & Shockey INC - Winchester | Winchester | VA | — | ◇ UNVERIFIED |
| CRC R Jackson INC - Pugmill | Florence | SC | — | ◇ UNVERIFIED |
| CDCrm - Dresser | Osceola | WI | — | ◇ UNVERIFIED |
| CNCrm - New Richmond | New Richmond | WI | — | ◇ UNVERIFIED |
| CCCrmp Coast Guard Blvd Plant | Portsmouth | VA | — | ◇ UNVERIFIED |
| C3Croell 303 | Cheyenne | WY | — | ◇ UNVERIFIED |
| CRCroell Redi-mix Cedar Rapids | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix INC | Mason City | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix, INC - Decorah | Decorah | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix Inc-elkader | Elkader | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix Inc-elma | Elma | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix Inc-lansing | Lansing | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix Inc-monona | Monona | IA | — | ◇ UNVERIFIED |
| CRCroell Redi-mix Inc-west Union | West Union | IA | — | ◇ UNVERIFIED |
| CPCrossland Prefab, LLC | Columbus | KS | — | ◇ UNVERIFIED |
| CRCrystal Refining Company | Carson City | MI | — | ◇ UNVERIFIED |
| CWCsc Westover Rmc | Morgantown | WV | — | ◇ UNVERIFIED |
| CRCti Ready Mix, INC | Carlisle | IA | — | ◇ UNVERIFIED |
| CRCumberland Recycling Group, LLC and Smyrna Ready Mix Concrete, LLC | Nashville | TN | — | ◇ UNVERIFIED |
| CRCummings Ready-mix Plant | Cumming | GA | — | ◇ UNVERIFIED |
| CRCurry Ready Mix INC | Pawnee | IL | — | ◇ UNVERIFIED |
| CRCurry Ready Mix of Carlinville INC | Raymond | IL | — | ◇ UNVERIFIED |
| CRCurry Ready Mix of Carlinville INC | Staunton | IL | — | ◇ UNVERIFIED |
| CCCuyahoga Concrete Hummell Rd Plant | Brookpark | OH | — | ◇ UNVERIFIED |
| DGDaniel G. Schuster Concrete/h | Hagerstown | MD | — | ◇ UNVERIFIED |
| DCDarnall Concrete Products CO | Normal | IL | — | ◇ UNVERIFIED |
| DCDauphinais Concrete INC | Bellingham | MA | — | ◇ UNVERIFIED |
| DCDauphinais Concrete INC | Charlton | MA | — | ◇ UNVERIFIED |
| DPDavids Patio | Springtown | TX | — | ◇ UNVERIFIED |
| DSDavis - Sulphur Batch Plant | Davis | OK | — | ◇ UNVERIFIED |
| DBDawkins Bryan Plant 1 | Georgia | GA | — | ◇ UNVERIFIED |