| BWBrannan West Plant | Denver | CO | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-mattis Road Plant | Saint Louis | MO | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-st Louis (plant 7) | Saint Louis | MO | — | ◇ UNVERIFIED |
| BMBreckenridge Materials-jeffco Plant | Arnold | MO | — | ◇ UNVERIFIED |
| BOBreckenridge of Il | Madison | IL | — | ◇ UNVERIFIED |
| BOBreckenridge of Illinois LLC | Collinsville | IL | — | ◇ UNVERIFIED |
| BOBreckenridge of Illinois LLC | Alton | IL | — | ◇ UNVERIFIED |
| BOBreckenridge of Illinois LLC | Columbia | IL | — | ◇ UNVERIFIED |
| BBBrenny-dahl Block CO | Cloquet | MN | — | ◇ UNVERIFIED |
| BCBrentanos Concrete Connection, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| BABrick Aquisition Company, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| BIBrickcraft INC | Farmersburg | IN | — | ◇ UNVERIFIED |
| BGBristol Group | Charlestown | IN | — | ◇ UNVERIFIED |
| BCBritton Concrete INC. | Lawrence Twp | NJ | — | ◇ UNVERIFIED |
| BBroadway | Jersey City | NJ | — | ◇ UNVERIFIED |
 Brothers Concrete Supply Plant 2 - Oneonta | Oneonta | AL | — | ◇ UNVERIFIED |
| BHBrunswick Hot Mix CORP | Woodbridge Twp | NJ | — | ◇ UNVERIFIED |
| BHBryce Hill, INC | Saint Paris | OH | — | ◇ UNVERIFIED |
| BSB S & E Company | Bakersfield | CA | — | ◇ UNVERIFIED |
| BRBt Redi Mix - Dyersburg | Dyersburg | TN | — | ◇ UNVERIFIED |
| BRBt Redi Mix - Humboldt | Humboldt | TN | — | ◇ UNVERIFIED |
| BRBt Redi Mix - Jackson | Jackson | TN | — | ◇ UNVERIFIED |
| BRBt Redi Mix - Jackson, Gp Facility | Jackson | TN | — | ◇ UNVERIFIED |
| BRBt Redi Mix - Stanton | Stanton | TN | — | ◇ UNVERIFIED |
| BRBt Redi Mix - Tiptonville | Tiptonville | TN | — | ◇ UNVERIFIED |
| BCBuffalo Concrete Batch Plant | Johnson | WY | — | ◇ UNVERIFIED |
| BCBuffalo Concrete Batch Plant | Buffalo | TX | — | ◇ UNVERIFIED |
| BPBuffalo Plant 30 | Buffalo | TX | — | ◇ UNVERIFIED |
| BRBuffalo Ready Mix | Buffalo | TX | — | ◇ UNVERIFIED |
| BABuild America | Sedalia | CO | — | ◇ UNVERIFIED |
| BCBuilders Choice | Saint Joseph | MO | — | ◇ UNVERIFIED |
| BCBuilders Choice | Ottawa | KS | — | ◇ UNVERIFIED |
| BCBuilders Concrete | Sanger | CA | — | ◇ UNVERIFIED |
| BCBuilders Concrete | Clovis | CA | — | ◇ UNVERIFIED |
| BCBuilders Concrete Block CO | Richmond | KY | — | ◇ UNVERIFIED |
| BFBuilders Firstsource | Benson | NC | — | ◇ UNVERIFIED |
| BSBuilders Sand and Cement CO. INC. | Davenport | IA | — | ◇ UNVERIFIED |
| BSBuilders Supply Company of Cookeville | Cookeville | TN | — | ◇ UNVERIFIED |
| BCBullard Concrete Facility - Florala | Florala | AL | — | ◇ UNVERIFIED |
| BDBull Dog Ready Mix | Houston | TX | — | ◇ UNVERIFIED |
| BRBulldog Ready Mix, Attala Plant | Sallis | MS | — | ◇ UNVERIFIED |
| BCBurks Concrete Contractors, INC. | Santa Fe | TX | — | ◇ UNVERIFIED |
| BCBurnco Colorado LLC - Portable Rmx 1 | Denver | CO | — | ◇ UNVERIFIED |
| BLBwb LLC Superior Onsite Plant #12 | Southfield | MI | — | ◇ UNVERIFIED |
| BSByrne Sand & Gravel, INC. | Middleboro | MA | — | ◇ UNVERIFIED |
| CPCabot Plant 607 | Cabot | AR | — | ◇ UNVERIFIED |
| CMCadman Materials Boardman | Boardman | OR | — | ◇ UNVERIFIED |
| CRCain Ranch Quarry | Lee Vining | CA | — | ◇ UNVERIFIED |
| CRCajun Ready Mix Concrete, LLC | Livingston | LA | — | ◇ UNVERIFIED |
| CMCalaveras Materials INC | Sjvapcd | CA | — | ◇ UNVERIFIED |
