| ABA-1 Block- Taft Ready Mix Fka Triple L Concrete Products | Orlando | FL | — | ◐ LIKELY ACTIVE |
| ABAcme Block and Concrete Co., INC. | Crossville | TN | — | ◐ LIKELY ACTIVE |
| ASAction Supply INC | Seaville | NJ | — | ◐ LIKELY ACTIVE |
| ACAdonel Concrete - Fort Pierce Plant | Fort Pierce | FL | — | ◐ LIKELY ACTIVE |
| ACAdonel Concrete - Loxahatchee (palm Beach Agg. Site) | Loxahatchee | FL | — | ◐ LIKELY ACTIVE |
| ACAdonel Concrete - West Palm Beach | West Palm Beach | FL | — | ◐ LIKELY ACTIVE |
| ARAdvance Ready Mix Plant #1 & #2 | Louisville | KY | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries-aggregate Division | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| APAlabama Power Company Logan Martin Fleet Garage | Vincent | AL | — | ◐ LIKELY ACTIVE |
| ARAlliance Ready Mix | Arroyo Grande | CA | — | ◐ LIKELY ACTIVE |
| ACAllied Concrete Company - Ruckersville | Ruckersville | VA | — | ◐ LIKELY ACTIVE |
| ACAllied Concrete Products LLC - Kingland Reach | Richmond | VA | — | ◐ LIKELY ACTIVE |
| ARAllied Ready Mix CO INC | Louisville | KY | — | ◐ LIKELY ACTIVE |
| APAll-rite Paving & Redi-mix, INC | Lamar | CO | — | ◐ LIKELY ACTIVE |
| ARAll Rite Ready Mix INC | Wilder | KY | — | ◐ LIKELY ACTIVE |
| ARAllstate Ready Mix INC | La Grange | KY | — | ◐ LIKELY ACTIVE |
| ARAmericrete Ready-mix Concrete Dba G & B Redi-mix 00384 | Portable | ID | — | ◐ LIKELY ACTIVE |
| APAnniston Plant | Oxford | AL | — | ◐ LIKELY ACTIVE |
| AWArcher Western Construction | Chapin | SC | — | ◐ LIKELY ACTIVE |
| ARArgos Ready Mix - Cr 210 | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| ARArgos Ready Mix, LLC (red Oak Concrete Plant) | College Park | GA | — | ◐ LIKELY ACTIVE |
| ARArgos Ready Mix - Palmetto | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| AUArgos USA Corporation | Panama City Beach | FL | — | ◐ LIKELY ACTIVE |
| ASAsphalt Specialties Co., INC. Plant #3 | Firestone Area | CO | — | ◐ LIKELY ACTIVE |
| ARAudubon Readymix Warrensburg | Warrensburg | MO | — | ◐ 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 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 |
| BCBayou Concrete LLC - Am/ns Plant | Calvert | AL | — | ◐ LIKELY ACTIVE |
| BCBayou Concrete LLC - Jackson Plant | Jackson | AL | — | ◐ LIKELY ACTIVE |
| BCBayou Concrete LLC - Mcintosh Plant | Mc Intosh | 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 |
| BNBelhaven - Nc Rmc | Belhaven | NC | — | ◐ 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 |
| BUBlock Usa, Gulfport Plant | Gulfport | MS | — | ◐ 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 |