| BOBreckenridge of Illinois LLC | Collinsville | IL | — | ◇ UNVERIFIED |
| BBBrenny-dahl Block CO | Cloquet | MN | — | ◇ UNVERIFIED |
| BSBretthauer-ramirez Staffing, INC. | Pearland | TX | — | ◇ UNVERIFIED |
| BCBristol County Pre-cast, INC. | Westport | MA | — | ◇ 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 |
| BIBrown-wilbert INC | Mankato | MN | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Esko | MN | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO. | Milwaukee | WI | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Austin | Austin | MN | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO. - La Crosse | La Crosse | WI | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Lakeville | Lakeville | MN | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Mankato | Mankato | MN | — | ◇ UNVERIFIED |
| BHBrunswick Hot Mix CORP | Woodbridge Twp | NJ | — | ◇ 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 |
| BSBuck Simmons Vault Service, INC | Roanoke | VA | — | ◇ UNVERIFIED |
| BCBuffalo Concrete Batch Plant | Buffalo | TX | — | ◇ UNVERIFIED |
| BCBuffalo Concrete Batch Plant | Johnson | WY | — | ◇ UNVERIFIED |
| BPBuffalo Plant 30 | Buffalo | TX | — | ◇ UNVERIFIED |
| BRBuffalo Ready Mix | Buffalo | TX | — | ◇ UNVERIFIED |
| BCBuilders Choice | Ottawa | KS | — | ◇ UNVERIFIED |
| BCBuilders Choice | Saint Joseph | MO | — | ◇ UNVERIFIED |
| BCBuilders Concrete | Sanger | CA | — | ◇ UNVERIFIED |
| BCBuilders Concrete Block CO | Richmond | KY | — | ◇ UNVERIFIED |
| BCBuilders Concrete INC. | Merced | CA | — | ◇ UNVERIFIED |
| BFBuilders Firstsource | Benson | NC | — | ◇ UNVERIFIED |
| BSBuilders Sand and Cement CO. INC. | Davenport | IA | — | ◇ UNVERIFIED |
| BBBuilding Blocks | Merritt Island | FL | — | ◇ UNVERIFIED |
| BCBullard Concrete Facility - Florala | Florala | AL | — | ◇ UNVERIFIED |
| BDBull Dog Ready Mix | Houston | TX | — | ◇ UNVERIFIED |
| BRBulldog Ready Mix, Attala Plant | Sallis | MS | — | ◇ UNVERIFIED |
| BPBullseye Products International, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| BCBurks Concrete Contractors, INC. | Santa Fe | TX | — | ◇ UNVERIFIED |
| BIBurlingame Indust. INC Dba Eagle Roofing Products | Rialto | CA | — | ◇ UNVERIFIED |
| BWBurlington Wilbert Vault Works, INC. | Burlington | IA | — | ◇ UNVERIFIED |
| BCBurnco Colorado LLC - Portable Rmx 1 | Denver | CO | — | ◇ UNVERIFIED |
| BMBurn's Monument Company | Perry | FL | — | ◇ UNVERIFIED |
| BTBurrell Tri Cnty Vaults INC | Ypsilanti | MI | — | ◇ UNVERIFIED |
| BCBush Concrete Products INC | Muskegon | MI | — | ◇ UNVERIFIED |
| BLBwb LLC Superior Onsite Plant #12 | Southfield | MI | — | ◇ UNVERIFIED |
| BSByrne Sand & Gravel, INC. | Middleboro | MA | — | ◇ UNVERIFIED |
| CFC3 Foam & Precast Inc | Orlando | FL | — | ◇ UNVERIFIED |
| CPCabot Plant 607 | Cabot | AR | — | ◇ UNVERIFIED |
| CMCadman Materials Boardman | Boardman | OR | — | ◇ UNVERIFIED |
| CRCain Ranch Quarry | Lee Vining | CA | — | ◇ UNVERIFIED |
| CCCajun Crete LLC | Minden | LA | — | ◇ UNVERIFIED |
| CRCajun Ready Mix Concrete, LLC | Livingston | LA | — | ◇ UNVERIFIED |
| CMCalaveras Materials INC | Sjvapcd | CA | — | ◇ UNVERIFIED |
| CSCalaveras Standard Materials INC. | Corona | CA | — | ◇ UNVERIFIED |
| CICaledonia INC. | Waterford | VT | — | ◇ UNVERIFIED |
| CLCalifornia Landscape Supply | Ceres | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement | Littlerock | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement CO | Irwindale | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement CO | Torrance | CA | — | ◇ UNVERIFIED |
| CPCalifornia Portland Cement - Vista Chino | Thousand Palms | CA | — | ◇ UNVERIFIED |
| CCCalmat CO | Poway | CA | — | ◇ UNVERIFIED |
| CCCalmat CO. | Fresno | CA | — | ◇ UNVERIFIED |
| CCCalmat CO. | Bakersfield | CA | — | ◇ UNVERIFIED |
| CCCalmat CO Dba Shamrock Materials | Napa | CA | — | ◇ UNVERIFIED |
| CCCalmat Company Dba Shamrock Materials INC | Petaluma | CA | — | ◇ UNVERIFIED |
| CCCalmat Company Dba Shamrock Materials-st Helena Plant | Saint Helena | CA | — | ◇ UNVERIFIED |
| CCCalmat CO (owner) | Upland | CA | — | ◇ UNVERIFIED |
| CGCalmat - Goleta | Goleta | CA | — | ◇ UNVERIFIED |
| COCalmat of Fresno | Fresno | CA | — | ◇ UNVERIFIED |
| CMCal Mix Concrete Co, Inc, Dba California Ready Mix | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CCCalportland City of Champions | Inglewood | CA | — | ◇ UNVERIFIED |
| CCCalportland Company | Palm Springs | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Escondido | Escondido | CA | — | ◇ UNVERIFIED |
| CCCalportland Company - Oceanside | Oceanside | CA | — | ◇ UNVERIFIED |
| CCCalportland Company Poorman Plant | Tucson | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company Sky Harbor Plant | Phoenix | AZ | — | ◇ UNVERIFIED |
| CCCalportland Company (stockton West) | Stockton | CA | — | ◇ UNVERIFIED |
 Calportland Construction | Templeton | CA | — | ◇ UNVERIFIED |
| Calportland Construction - 1529 E. Donovan Rd | Santa Maria | CA | — | ◇ UNVERIFIED |
| Calportland Construction - a St, Lompoc | Lompoc | CA | — | ◇ UNVERIFIED |
| Calportland Construction, Slo | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| Calportland Construction - Solvang Cbp | Solvang | CA | — | ◇ UNVERIFIED |
| CMCalportland Mcminnville Ready Mix Plant | Mcminnville | OR | — | ◇ UNVERIFIED |
| CNCalportland Newberg Ready Mix Plant | Newberg | OR | — | ◇ UNVERIFIED |
| CNCalportland New River Plant | Phoenix | AZ | — | ◇ UNVERIFIED |
| CWCalportland White Hills Facility | White Hills | AZ | — | ◇ UNVERIFIED |
| CCCalstone Company | Sunnyvale | CA | — | ◇ UNVERIFIED |
| CCCamas Colorado INC Ready Mix Division.cn | Idaho Springs | CO | — | ◇ UNVERIFIED |
| CPCameron Park | Shingle Springs | CA | — | ◇ UNVERIFIED |
| CRCampbell Rmc Tamina - Plant 31 | Conroe | TX | — | ◇ UNVERIFIED |
| CRCanton Ready-mix INC | Canton | IL | — | ◇ UNVERIFIED |
| CRCanton Ready-mix INC | Havana | IL | — | ◇ UNVERIFIED |
| CRCanton Redi Mix INC | Canton | IL | — | ◇ UNVERIFIED |
| CRCanton Redi-mix Portable Plt | Dallas City | IL | — | ◇ UNVERIFIED |
| CSCanyon Stone | Lenexa | KS | — | ◇ UNVERIFIED |
| CCapa | Penitas | TX | — | ◇ UNVERIFIED |
