| CLCreekview Loading Site | San Antonio | TX | — | ◇ UNVERIFIED |
| CRCrestview Ready Mix - Crestview Plant | Crestview | FL | — | ◇ UNVERIFIED |
| CSCrete Solutions LLC - Rock Hill Plant 13 | Rock Hill | SC | — | ◇ UNVERIFIED |
| CACrh Americas, INC | Gulfport | MS | — | ◇ 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 |
| CCCross Construction CO | Rantoul | IL | — | ◇ UNVERIFIED |
| CPCrossland Prefab, LLC | Columbus | KS | — | ◇ UNVERIFIED |
| CCCrouse Construction CO INC | Aberdeen | MD | — | ◇ UNVERIFIED |
| CCCrowell Constructors - Lumberton Plant | Lumberton | NC | — | ◇ UNVERIFIED |
| CACrown Asphalt Products CO (was Petro) | Fruita | CO | — | ◇ UNVERIFIED |
| CSCrummitt & Son Vault CORP. | Martins Ferry | OH | — | ◇ UNVERIFIED |
| CNCrusher No1348 | Farmington | NM | — | ◇ UNVERIFIED |
| CCCrushing Corporation of America | Springfield | VA | — | ◇ UNVERIFIED |
| CRCrystal River Quarries INC | Lecanto | FL | — | ◇ UNVERIFIED |
| CWCsc Westover Rmc | Morgantown | WV | — | ◇ UNVERIFIED |
| CRCti Ready Mix, INC | Carlisle | IA | — | ◇ UNVERIFIED |
| CACuba Asphalt Plant | Cuba | NY | — | ◇ UNVERIFIED |
| CRCumberland Recycling Group, LLC and Smyrna Ready Mix Concrete, LLC | Nashville | TN | — | ◇ UNVERIFIED |
| CRCummings Ready-mix Plant | Cumming | GA | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Astec Portable Plant 2747 | Perkins | OK | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Plant 2711 Durant | Durant | OK | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Plant 2721 Enid | Enid | OK | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Plant 2728 Hugo Sawyer | Sawyer | OK | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Portable Cedarapids 8835 Plant 2754 | Durant | OK | — | ◇ UNVERIFIED |
| CCCurran Contracting CO | Crystal Lake | IL | — | ◇ UNVERIFIED |
| CCCurran Contracting CO | Dekalb | IL | — | ◇ UNVERIFIED |
| CCCurran Contracting CO | Grayslake | IL | — | ◇ 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 |
| CSCustar Stone CO INC Custar Plant | Custar | OH | — | ◇ UNVERIFIED |
| CBCustom Building Products | Perth Amboy | NJ | — | ◇ UNVERIFIED |
| CBCustom Building Products | N Las Vegas | NV | — | ◇ UNVERIFIED |
| CBCustom Building Products | Logan | NJ | — | ◇ UNVERIFIED |
| CBCustom Building Products - Denc | Berkley | CO | — | ◇ UNVERIFIED |