| ARArps Red-e-mix INC | North Bend | NE | — | ◇ UNVERIFIED |
| ACArrow Concrete Company | Pittsburgh | PA | — | ◇ UNVERIFIED |
| ARArtesia Ready Mix | Paso Robles | CA | — | ◇ UNVERIFIED |
| ARArtesia Ready Mix Concrete | Farmersville | CA | — | ◇ UNVERIFIED |
| ARArtesia Ready Mix Concrete CO | Lemoore | CA | — | ◇ UNVERIFIED |
| ARArtesia Readymix Concrete INC | Coalinga | CA | — | ◇ UNVERIFIED |
| ADAsap Delivery | Lakeside | CA | — | ◇ UNVERIFIED |
| AQAscension Quality Materials LLC - Nicholson Plant | Baton Rouge | LA | — | ◇ UNVERIFIED |
| ARAscension Ready Mix, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| ARAshland Recovery INC Plant 125 | Ashland | KY | — | ◇ UNVERIFIED |
| ARAshland Rmc Plant | Ashland | VA | — | ◇ UNVERIFIED |
| ACAsi Const- Portable Concrete Batch Plant | Pueblo West | CO | — | ◇ UNVERIFIED |
| ACAsi Constructors, INC. | Pueblo West | CO | — | ◇ UNVERIFIED |
| AOAsphalt of Kentuckiana | Louisville | KY | — | ◇ UNVERIFIED |
| ARAssociated Ready Mix | Foothill Ranch | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mix Concrete | Littlerock | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mix Concrete | Los Angeles | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mix Concrete, INC. | Lake Forest | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mixed Concrete | Corona | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mixed Concrete INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mixed Concrete INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| ARAssociated Redi-mix Concrete | Williston | ND | — | ◇ UNVERIFIED |
| ARAssoc. Ready Mix Concrete | Oxnard | CA | — | ◇ UNVERIFIED |
| ARAstra Readymix LLC | Portable | NE | — | ◇ UNVERIFIED |
| ARAtchison Ready Mix Plant 25 | Atchison | KS | — | ◇ UNVERIFIED |
| ATA Teichert & Son INC | Davis | CA | — | ◇ UNVERIFIED |
| ATA. Teichert & Son, INC. | Davis | CA | — | ◇ UNVERIFIED |
| ACAuburn Concrete | Fairfield | ME | — | ◇ UNVERIFIED |
| ARAudubon Readymix - 149th Street | Olathe | KS | — | ◇ UNVERIFIED |
| ARAurora Ready Mix Plant | Aurora | NE | — | ◇ UNVERIFIED |
| ACAustin Creek Ready Mix INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ASAustin South Plant | Austin | TX | — | ◇ UNVERIFIED |
| AMAuz Materials Company, LLC | Hockley | TX | — | ◇ UNVERIFIED |
| AGAvant Garde | Houston | TX | — | ◇ UNVERIFIED |
| ACAvery Construction (out of Business) | Buena Vista | CO | — | ◇ UNVERIFIED |
| AAvr | Apple Valley | MN | — | ◇ UNVERIFIED |
| AIAvr INC - Apple Valley Plant | Apple Valley | MN | — | ◇ UNVERIFIED |
| AMAztec Material Service CORP | Hodgkins | IL | — | ◇ UNVERIFIED |
| BRBaca Ready Mix of Savannah LLC | Savannah | GA | — | ◇ UNVERIFIED |
| BCBaja Contractors INC | Chicago | IL | — | ◇ UNVERIFIED |
| BCBaja Contractors INC | Blue Island | IL | — | ◇ UNVERIFIED |
| BCBaker Concrete Construction INC. | State Wide | GA | — | ◇ UNVERIFIED |
| BRBaker Ready Mix & Building Materials | New Orleans | LA | — | ◇ UNVERIFIED |
| BSBalch Springs | Balch Springs | TX | — | ◇ UNVERIFIED |
| BBBaldi Bros | China Lake | CA | — | ◇ UNVERIFIED |
| BCBallard Contractors | Warrenton | GA | — | ◇ UNVERIFIED |
| BCBallard Contractors, INC. - Moundville | Moundville | AL | — | ◇ UNVERIFIED |
| BRBallard Ready Mix INC | Anoka | MN | — | ◇ UNVERIFIED |
| BBBall, Ball and Brosamer INC | Denver (portable) | CO | — | ◇ UNVERIFIED |
| BCBall Construction Company LLC | Sault Sainte Marie | MI | — | ◇ UNVERIFIED |