| CECoastal Emulsions of Missouri | Miller | MO | — | ◇ UNVERIFIED |
| CECoastal Energy CORP | Miller | MO | — | ◇ UNVERIFIED |
| CPCoastal Pit #1 | Gloucester | VA | — | ◇ UNVERIFIED |
| CPCoastal Precast Systems, LLC | Chesapeake | VA | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix Concrete CO INC. - Buxton Back Road | Buxton | NC | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix Concrete Company Incorporated | Nags Head | NC | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix Concrete INC. - Moyock | Moyock | NC | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix, LLC | Mobile | AL | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix, LLC - Mcintosh | Mc Intosh | AL | — | ◇ UNVERIFIED |
| CRCoastal Ready Mix Theodore | Theodore | AL | — | ◇ UNVERIFIED |
| CCCoast Concrete Company, LLC - Labelle | Labelle | FL | — | ◇ UNVERIFIED |
| CCCoast Concrete LLC | Biloxi | MS | — | ◇ UNVERIFIED |
| CCCoast Concrete Plant | Ellenton | FL | — | ◇ UNVERIFIED |
| CWCoast Wide Ready Mix CO. | Tillamook | OR | — | ◇ UNVERIFIED |
| CICobitco, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CICochran Industries - Wytheville | Max Meadows | VA | — | ◇ UNVERIFIED |
| CRCohron Ready Mix-council Bluffs | Council Bluffs | IA | — | ◇ UNVERIFIED |
| CCCoker Concrete | Dover | DE | — | ◇ UNVERIFIED |
| CIColaska Inc, Dba Se/secon Astec Six Pack | Juneau | AK | — | ◇ UNVERIFIED |
| CIColaska INC Dba University Redi Mix (twin Rich) | North Pole | AK | — | ◇ UNVERIFIED |
| CMCold Mix Inc, Wren Facility | Nettleton | MS | — | ◇ UNVERIFIED |
| CSCold Springs Hot Mix Aspahlt Plant | Fort Worth | TX | — | ◇ UNVERIFIED |
| CTColleton Tile & Concrete Company INC | Walterboro | SC | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation #5006 | Sterling | CO | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation #5010 | Dolores Area | CO | — | ◇ UNVERIFIED |
| CCColonial Concrete - Falmouth | Falmouth | VA | — | ◇ UNVERIFIED |
| CBColonie Block Manufacturing | Albany | NY | — | ◇ UNVERIFIED |
| CAColorado Aggregate | San Acacio | CO | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services INC | Commerce City | CO | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services Inc-port Crush | Commerce City | CO | — | ◇ UNVERIFIED |
| CRColorado River Concrete | Alvarado | TX | — | ◇ UNVERIFIED |
| CCColumbia County Concrete CO INC | Williston | SC | — | ◇ UNVERIFIED |
| CPColumbia Precast, LLC | Columbia | TN | — | ◇ UNVERIFIED |
| CRColumbia River Carbonates Woodland | Woodland | WA | — | ◇ UNVERIFIED |
| CACommercial Asphalt CO - Plant 902 | Burnsville | MN | — | ◇ UNVERIFIED |
| CPCommercial Pavers | Louisville | KY | — | ◇ UNVERIFIED |
| CRCommercial Ready Mix Concrete - Edenton | Edenton | NC | — | ◇ UNVERIFIED |
| CRCommercial Ready Mix - Gordonsville | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CRCommercial Ready Mix Products INC - Elizabeth City | Elizabeth City | NC | — | ◇ UNVERIFIED |
| CRCommercial Ready Mix Products INC - Portable 52469 | Freeman | VA | — | ◇ UNVERIFIED |
| CRCommercial Ready Mix Products INC - Portable 61860 | Suffolk | VA | — | ◇ UNVERIFIED |
| CACommerical Asphalt CO 912 - Eden Prairie | Eden Prairie | MN | — | ◇ UNVERIFIED |
| CRCommerical Ready Mix Products | Ahoskie | NC | — | ◇ UNVERIFIED |
| CACommunity Asphalt CORP | West Palm Beach | FL | — | ◇ UNVERIFIED |
| CACommunity Asphalt Corporation | Hialeah | FL | — | ◇ UNVERIFIED |
| CACommunity Asphalt Corporation | Fort Myers | FL | — | ◇ UNVERIFIED |
| CACommunity Asphalt Site Reconfiguration | Vero Beach | FL | — | ◇ UNVERIFIED |
| CQComo Quarry | Cheektowaga | NY | — | ◇ UNVERIFIED |
| CBCon-agg Boone Quarries | Columbia | MO | — | ◇ UNVERIFIED |
| CRConcordia Ready-mix | Concordia | KS | — | ◇ UNVERIFIED |