| BCBasalite Concrete Products | Dupont | WA | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products | Denver | CO | — | ◇ UNVERIFIED |
| BCBasalite Concrete Solutions LLC | Fort Lupton | CO | — | ◇ UNVERIFIED |
| BCBass Concrete LLC | Bogalusa | LA | — | ◇ UNVERIFIED |
| BCBay Concrete | Irvington | AL | — | ◇ UNVERIFIED |
| BBayonne | Bayonne | NJ | — | ◇ UNVERIFIED |
| BDBayonne Durable Construction CO INC | Bayonne | NJ | — | ◇ UNVERIFIED |
| BCBayou Concrete LLC Bay St Loui | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
| BCBayou Concrete Llc, Biloxi | Biloxi | MS | — | ◇ UNVERIFIED |
| BCBayou Concrete LLC - Creola Plant | Creola | AL | — | ◇ UNVERIFIED |
| BCBayou Concrete LLC - Crestview | Crestview | FL | — | ◇ UNVERIFIED |
| BCBayou Concrete Llc, Firetower Road Plant | Pass Christian | MS | — | ◇ UNVERIFIED |
| BCBayou Concrete Llc, Ocean Springs | Ocean Springs | MS | — | ◇ UNVERIFIED |
| BCBayou Concrete LLC - Pensacola | Pensacola | FL | — | ◇ UNVERIFIED |
| BCBayou Concrete Llc, Port Bienville | Pearlington | MS | — | ◇ UNVERIFIED |
| BCBayou Concrete LLC - Tafb | Panama City | FL | — | ◇ UNVERIFIED |
| BCBayou Concrete - Panama City Beach Plant | Panama City Beach | FL | — | ◇ UNVERIFIED |
| BGBayou Grosse Tete David Barrow #1 Tank Battery | Livonia | LA | — | ◇ UNVERIFIED |
| BBB & B Redi Mix - Phillipsburg | Phillipsburg | KS | — | ◇ UNVERIFIED |
| BCB & C Concrete Products, INC. | North Wilkesboro | NC | — | ◇ UNVERIFIED |
| BMBc Materials Frankston Plant | Frankston | TX | — | ◇ UNVERIFIED |
| BMBc Materials Rosenfeld Plant | Waco | TX | — | ◇ UNVERIFIED |
| BCBeasley Concrete Incorporated - Milford Plant | Milford | VA | — | ◇ UNVERIFIED |
| BCBeatrice Concrete CO INC | Beatrice | NE | — | ◇ UNVERIFIED |
| BCBeatrice Concrete Company Incorporated | Beatrice | NE | — | ◇ UNVERIFIED |
| BCBeavercreek Concrete Plant | Beaver Creek | MD | — | ◇ UNVERIFIED |
| BCBeco Concrete Products INC | Fulton | MO | — | ◇ UNVERIFIED |
| BRBeelman Ready Mix | Nashville | IL | — | ◇ UNVERIFIED |
| BRBeelman Ready Mix | Sandoval | IL | — | ◇ UNVERIFIED |
| BRBeelman Ready Mix | Mount Vernon | IL | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 6 | Sugarcreek | OH | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 8 | Sugarcreek | OH | — | ◇ UNVERIFIED |
| BSBelgrade Steel Tank CO INC | Belgrade | MN | — | ◇ UNVERIFIED |
| BSBelgrade Steel Tank CO INC - | Crow Lake Township | MN | — | ◇ UNVERIFIED |
| BCBell Concrete Greenville | Greenville | TX | — | ◇ UNVERIFIED |
| BCBell Concrete Industries | Middlesboro | KY | — | ◇ UNVERIFIED |
| BCBell Concrete Mount Pleasant | Mount Pleasant | TX | — | ◇ UNVERIFIED |
| BRBender Ready Mix INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BBBenea Block Corporation | Kingston | MA | — | ◇ UNVERIFIED |
| BRBenton Ready Mix INC | Myrtle Beach | SC | — | ◇ UNVERIFIED |
| BRBenton Rentals LLC Formerly Shallotte Ready Mix Facility | Supply | NC | — | ◇ UNVERIFIED |
| BCBeran Concrete Kingman | Kingman | KS | — | ◇ UNVERIFIED |
| BRBerkeley Ready Mix Concrete | Berkeley | CA | — | ◇ UNVERIFIED |
| BABest American Mix | Orlando | FL | — | ◇ UNVERIFIED |
| BBBest Block - Bridgeton/st. Louis Mo Plant | Bridgeton | MO | — | ◇ UNVERIFIED |
| BBBest Block - Carder Road Block Plant | Orlando | FL | — | ◇ UNVERIFIED |
| BBBest Block Converse Plant | Converse | TX | — | ◇ UNVERIFIED |
| BBBest Block - Coolidge, Az Plant | Coolidge | AZ | — | ◇ UNVERIFIED |
| BBBest Block - Cordele, Ga Block Plant | Cordele | GA | — | ◇ UNVERIFIED |
| BBBest Block Co-warren | Warren | MI | — | ◇ UNVERIFIED |
| BBBest Block - Georgia Plant | Fairburn | GA | — | ◇ UNVERIFIED |
| BBBest Block - Jefferson City Plant | Jefferson City | MO | — | ◇ UNVERIFIED |
| BBBest Block - Oakland/memphis Plant | Oakland | TN | — | ◇ UNVERIFIED |
| BBBest Block - Paducah, Ky Plant | Paducah | KY | — | ◇ UNVERIFIED |
| BBBest Block - Phoenix, Az Block Plant [quality Bloc | Phoenix | AZ | — | ◇ UNVERIFIED |
| BBBest Block - Springdale, Ar Plant | Springdale | AR | — | ◇ UNVERIFIED |
| BBBest Block - Springfield, Mo Plant | Springfield | MO | — | ◇ UNVERIFIED |
| BBBest Block - Tallahassee Block Plant | Tallahassee | FL | — | ◇ UNVERIFIED |
| BBBest Block - Tucson, Az Plant | Tucson | AZ | — | ◇ UNVERIFIED |
| BBBest Block - Tulsa Plant | Tulsa | OK | — | ◇ UNVERIFIED |
| BBBest Block - University Block Plant | Jacksonville | FL | — | ◇ UNVERIFIED |
| BCBest Concrete & Supply | Wyandotte | MI | — | ◇ UNVERIFIED |
| BCBestway Concrete CO - Brighton | Brighton | CO | — | ◇ UNVERIFIED |
| BCBestway Concrete CO - Ft Lupton | Fort Lupton | CO | — | ◇ UNVERIFIED |
| BCBestway Concrete Co-longmont | Longmont | CO | — | ◇ UNVERIFIED |
| BCBestway Concrete CO Windsor | Windsor | CO | — | ◇ UNVERIFIED |
| BCBestway Concrete - Firestein Pit | Greeley | CO | — | ◇ UNVERIFIED |
| BCBestway Concrete - the Shores | Firestone | CO | — | ◇ UNVERIFIED |
| BSBetco Supreme INC | Odenton | MD | — | ◇ UNVERIFIED |
| BEB E T Er Mix INC | Brooksville | FL | — | ◇ UNVERIFIED |
| BRBighorn Ready Mix | Greybull | WY | — | ◇ UNVERIFIED |
| BSBig Spring Plant | Big Spring | TX | — | ◇ UNVERIFIED |
| BVBig Valley Concrete - Mill Creek Facility | Mill Creek | PA | — | ◇ UNVERIFIED |
| BWBill Willard INC | Northampton | MA | — | ◇ UNVERIFIED |
| BOBison Oil Well Cementing-109 N 6th Ave | Greeley | CO | — | ◇ UNVERIFIED |
| BBBixby Batch Plant | Bixby | OK | — | ◇ UNVERIFIED |
| BEBledsoe Enterprises, INC. ** Inactive ** | Wilmington | NC | — | ◇ UNVERIFIED |
| BRBleigh Ready Mix CO | Quincy | IL | — | ◇ UNVERIFIED |
| BRBleigh Ready Mix Co-hannibal (b-1) | Hannibal | MO | — | ◇ UNVERIFIED |
| BEBlended Equipment Solutions | Altoona | IA | — | ◇ UNVERIFIED |
| BUBlock USA Alabama Florence Plant | Florence | AL | — | ◇ UNVERIFIED |
| BUBlock USA Theodore | Theodore | AL | — | ◇ UNVERIFIED |
| BWBlock Works, LLC | Dickson | TN | — | ◇ UNVERIFIED |
| BLBlockworks, LLC | Gallatin | TN | — | ◇ UNVERIFIED |
| BLBlockworks, LLC | Lebanon | TN | — | ◇ UNVERIFIED |
| BCBlue Circle Williams Brothers | Athens | GA | — | ◇ UNVERIFIED |
| BBluedot-readi-mix-exchange (plant #104) | Charlotte | NC | — | ◇ UNVERIFIED |
| BBluedot-readi-mix-harrisburg (plant #102) | Harrisburg | NC | — | ◇ UNVERIFIED |
| BBluedot-readi-mix-monroe (plant #105) | Monroe | NC | — | ◇ UNVERIFIED |
| BBluedot-readi-mix-pineville (plant #108) | Charlotte | NC | — | ◇ UNVERIFIED |
| BRBluedot Readi Mix Rock Hill | Rock Hill | SC | — | ◇ UNVERIFIED |
| BBluedot-readi-mix-shelby (plant #106) | Shelby | NC | — | ◇ UNVERIFIED |
| BMBluegrass Materials Marriottsville Quarry | Marriottsville | MD | — | ◇ UNVERIFIED |
| BMBluegrass Materials Rockdale Quarry | Clear Spring | MD | — | ◇ UNVERIFIED |
| BRBlue Ridge Concrete Products, INC. | Cana | VA | — | ◇ UNVERIFIED |
| BRBlue Ridge Concrete Products INC - Hillsville | Cana | VA | — | ◇ UNVERIFIED |
| BSBlue Springs Division of B and B Concrete Company INC | Blue Springs | MS | — | ◇ UNVERIFIED |
| BRBluewing Ready Mix Plant | San Antonio | TX | — | ◇ UNVERIFIED |
| BBluffton #344 | Bluffton | SC | — | ◇ UNVERIFIED |
| BZBlythe Zachry Jv - Batch Plant 2 | Gaffney | SC | — | ◇ UNVERIFIED |
