| CRColumbia Ready-mix Concrete INC | Live Oak | FL | — | ◐ LIKELY ACTIVE |
| CRColumbia Ready Mix - Lake City | Lake City | FL | — | ◐ LIKELY ACTIVE |
| CCCommercial Concrete | Fort Worth | TX | — | ◐ LIKELY ACTIVE |
| CRCommercial Ready Mix Prdts P61665 | Chesapeake | VA | — | ◐ LIKELY ACTIVE |
| CRCommercial Ready Mix Products INC | Hampton | VA | — | ◐ LIKELY ACTIVE |
| CRCommercial Ready Mix Products INC - Franklin | Franklin | VA | — | ◐ LIKELY ACTIVE |
| CCCon-agg Companies Land Chariton Concrete | Moberly | MO | — | ◐ LIKELY ACTIVE |
| CIConcrete Industries Incorporated | Lincoln | NE | — | ◐ LIKELY ACTIVE |
| CPConcrete Precast Systems INC - Chesapeake | Chesapeake | VA | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Cherry Hill | Charleston | SC | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Hwy 101 | Greer | SC | — | ◐ LIKELY ACTIVE |
| CSCorliss Sumner Pit | Sumner | WA | — | ◐ LIKELY ACTIVE |
| CSCornejo & Sons (portable) | Wichita | KS | — | ◐ LIKELY ACTIVE |
| CRCouch Ready Mix USA | Niceville | FL | — | ◐ LIKELY ACTIVE |
| CBCowling Brothers Supply Company | Waverly | VA | — | ◐ LIKELY ACTIVE |
| CRCrete Ready Mix CO | Crete | NE | — | ◐ LIKELY ACTIVE |
| CICrm, INC. | Cleveland | TN | — | ◐ LIKELY ACTIVE |
| CICroell, INC. - Kingfisher Redi-mix Plant | Kingfisher | OK | — | ◐ LIKELY ACTIVE |
| COCydi - Ocala Terminal | Ocala | FL | — | ◐ LIKELY ACTIVE |
| CYC Yelvington Dist Co/preferred Mtls INC | Bonita Springs | FL | — | ◐ LIKELY ACTIVE |
| DCDaniels Concrete Batch Plt | Greensburg | PA | — | ◐ LIKELY ACTIVE |
| DLDcm Legacy, INC. | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| DRDean's Ready Mixed, INC. | Albemarle | NC | — | ◐ LIKELY ACTIVE |
| DCDecatur Construction Services INC | Decatur | IL | — | ◐ LIKELY ACTIVE |
| DCDekalb County Scott Candler Water Treatment Plant | Doraville | GA | — | ◐ LIKELY ACTIVE |
| DSDellinger Septic Tank Company Incorporated | Denver | NC | — | ◐ LIKELY ACTIVE |
| DCDelta Concrete - Dexter P | Dexter | MO | — | ◐ LIKELY ACTIVE |
| DIDelta Industries, Inc., Hernando Plant 27 | Hernando | MS | — | ◐ LIKELY ACTIVE |
| DIDelta Industries Inc, Leakesville Plant | Leakesville | MS | — | ◐ LIKELY ACTIVE |
| DIDelta Industries, Inc., Lucedale Plant 16 | Lucedale | MS | — | ◐ LIKELY ACTIVE |
| DIDelta Industries, Inc., Starkville Plant 74 | Starkville | MS | — | ◐ LIKELY ACTIVE |
| DCDesoto Concrete Products Inc, New Albany Plant | New Albany | MS | — | ◐ LIKELY ACTIVE |
| DRDickinson Ready Mix - North Star Ready Mix- Glen Ullin | Glen Ullin | ND | — | ◐ LIKELY ACTIVE |
| DBDolese Bros CO / Hartshorne Quarry | Hartshorne | OK | — | ◐ LIKELY ACTIVE |
| DTDpd Team Concrete - Chocowinity Facility | Chocowinity | NC | — | ◐ LIKELY ACTIVE |
| DCDuit Construction CO INC (air) | Portable | KS | — | ◐ LIKELY ACTIVE |
| DLDunham-price LLC - Mike Hooks Road Facility | Westlake | LA | — | ◐ LIKELY ACTIVE |
| DPDurastone Precast Incorporated-south Portland | South Portland | ME | — | ◐ LIKELY ACTIVE |
| DRDz Rmp at Gov Rick Scott Ind Pk | Wildwood | FL | — | ◐ LIKELY ACTIVE |
| ECEagle Carbon, INC | Oak Hill | WV | — | ◐ LIKELY ACTIVE |
| ETEarth Tech (de) LLC Concrete Batch Plant | Spring Hill | FL | — | ◐ LIKELY ACTIVE |
| EMEastern Missouri Concrete-sullivan Plant #99 | Sullivan | MO | — | ◐ LIKELY ACTIVE |
| EMEastern Missouri Concrete-union Plant #98 | Union | MO | — | ◐ LIKELY ACTIVE |
| EMEdge Materials LLC | Cloverdale | IN | — | ◐ LIKELY ACTIVE |
| ESEmery Sapp-north Concrete Plant (stormwater) | Lawrence | KS | — | ◐ LIKELY ACTIVE |
| ESEmery Sapp & Sons- 2020 Erie Strayer (air) | Overland Park | KS | — | ◐ LIKELY ACTIVE |
| EAEngineered Arresting Systems CORP | Logan Twp | NJ | — | ◐ LIKELY ACTIVE |
| EHEp Henry Block CORP | Vineland | NJ | — | ◐ LIKELY ACTIVE |
| ECErnst Concrete Kentucky LLC | Crestwood [oldham] | KY | — | ◐ LIKELY ACTIVE |
| ECEssex Concrete Corporation - Aylett | Tappahannock | VA | — | ◐ LIKELY ACTIVE |