| ARAudubon Readymix Warrensburg | Warrensburg | MO | — | ◐ LIKELY ACTIVE |
| AIAuto-tap, INC. (1318008053) | Cleveland | OH | — | ◐ LIKELY ACTIVE |
| BRBakers Ready Mix | Louisville | MS | — | ◐ LIKELY ACTIVE |
| BCBaldwin Concrete - Spanish Fort Plant | Spanish Fort | AL | — | ◐ LIKELY ACTIVE |
| BCBallard Concrete, LLC - Northport | Northport | AL | — | ◐ LIKELY ACTIVE |
| BCBama Concrete Birmingham (north Bham Plant) | Birmingham | AL | — | ◐ LIKELY ACTIVE |
| BCBama Concrete Birmingham Woodstock Plant | Woodstock | AL | — | ◐ LIKELY ACTIVE |
| BCBama Concrete Huntsville Plant | Huntsville | AL | — | ◐ LIKELY ACTIVE |
| BAB and B Concrete Company INC | Corinth | MS | — | ◐ LIKELY ACTIVE |
| BAB and B Concrete Company Inc, Oxford Division | Oxford | MS | — | ◐ LIKELY ACTIVE |
| BPBars Products INC | Holly | MI | — | ◐ LIKELY ACTIVE |
| BCBayou Concrete LLC - Jackson Plant | Jackson | AL | — | ◐ LIKELY ACTIVE |
| BBB & B Concrete Company | Booneville | MS | — | ◐ LIKELY ACTIVE |
| BBB & B Concrete Products, INC | Columbia | TN | — | ◐ LIKELY ACTIVE |
| BIBbgy INC Dba Boger Concrete Company | Annville | PA | — | ◐ LIKELY ACTIVE |
| BCBell Concrete | Chiefland | FL | — | ◐ LIKELY ACTIVE |
| BRBethany Ready Mix | Bethany | MO | — | ◐ LIKELY ACTIVE |
| BBBlair Block LLC | Birmingham | AL | — | ◐ LIKELY ACTIVE |
| BLBlalocks Lumber Company Concrete Plant 3 | Seymour | TN | — | ◐ LIKELY ACTIVE |
| BIBlend-pro INC | Allentown | PA | — | ◐ LIKELY ACTIVE |
| BDBlue Dot Readi-mix, LLC - Harrisburg | Harrisburg | NC | — | ◐ LIKELY ACTIVE |
| BMBluegrass Materials CO LLC - Allen Block Plant | Allen | KY | — | ◐ LIKELY ACTIVE |
| BMBluegrass Materials CO LLC - Baxter Block Plant | Baxter | KY | — | ◐ LIKELY ACTIVE |
| BMBluegrass Materials Company, Llc- Douglasville Quarry | Douglasville | GA | — | ◐ LIKELY ACTIVE |
| BRBlue Ridge Ready Mix | Weyers Cave | VA | — | ◐ LIKELY ACTIVE |
| BRBoulder Ready Mix Concrete INC | Boulder | CO | — | ◐ LIKELY ACTIVE |
| BMBreckenridge Materials-paulina Hills Plt | Arnold | MO | — | ◐ LIKELY ACTIVE |
| BIBuckeye Indianola Terminal | Indianola | PA | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete of Richmond | Richmond | KY | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete & Supply (portable)(air) | Newton | KS | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete & Supply (portable)(air) | Parsons | KS | — | ◐ LIKELY ACTIVE |
| BRB&w Ready Mix | Watonga | OK | — | ◐ LIKELY ACTIVE |
| BCByerley Construction Company | Kingsport | TN | — | ◐ LIKELY ACTIVE |
| CICadman INC Gold Bar | Gold Bar | WA | — | ◐ LIKELY ACTIVE |
| CFCal-chlor Fourchon LLC | Port Fourchon | LA | — | ◐ LIKELY ACTIVE |
| CCCalhoun County Concrete | Piedmont | AL | — | ◐ LIKELY ACTIVE |
| CICampania Intl Inc/pennsburg | Pennsburg | PA | — | ◐ LIKELY ACTIVE |
| CCCardinal Concrete Plant | Lorton | VA | — | ◐ LIKELY ACTIVE |
| CCCarolina Concrete Newberry | Newberry | SC | — | ◐ LIKELY ACTIVE |
| CRCarolina Ready Mix, LLC - Monroe | Monroe | NC | — | ◐ LIKELY ACTIVE |
| CRCastle Rock Const. (portable)(air) | Portable | KS | — | ◐ LIKELY ACTIVE |
| CNCbp No1 | Lavon | TX | — | ◐ LIKELY ACTIVE |
| CCC & C Ready Mix, INC. | Oliver Springs | TN | — | ◐ LIKELY ACTIVE |
| CACemex - Apex | Marana | AZ | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Florida LLC | Bushnell | FL | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Florida LLC | Lake Wales | FL | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Florida LLC | Pembroke Pines | FL | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Florida LLC | Homestead | FL | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Florida LLC | Punta Gorda | FL | — | ◐ LIKELY ACTIVE |
| CLCemex- Leesburg South Rmp | Okahumpka | FL | — | ◐ LIKELY ACTIVE |