| ADArnan Development Corporation | Oneonta | NY | — | ◇ UNVERIFIED |
| ARArnold Ready-mix Corporation | Imperial | MO | — | ◇ UNVERIFIED |
| AWArnold Wilbert Corporation Crematory | Goldsboro | NC | — | ◇ UNVERIFIED |
| ARArps Red-e-mix INC | North Bend | NE | — | ◇ UNVERIFIED |
| ARArps Red-e-mix INC | David City | NE | — | ◇ UNVERIFIED |
| ACArrow Concrete Company | Pittsburgh | PA | — | ◇ UNVERIFIED |
| ASArrowhead Stone Manufacturing INC | Knoxville | TN | — | ◇ 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 Rmc Plant | Ashland | VA | — | ◇ UNVERIFIED |
| AVAshland Ventures Ii, LLC | 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 | Los Angeles | CA | — | ◇ UNVERIFIED |
| ARAssociated Ready Mixed Concrete INC | Sun Valley | 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 |
| ACAugusta Concrete Block | North Augusta | SC | — | ◇ UNVERIFIED |
| ARAurora Ready Mix Plant | Aurora | NE | — | ◇ UNVERIFIED |
| ACAustin Creek Ready Mix INC | Santa Rosa | CA | — | ◇ 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 |
| ABAzar Block & Brick of South Texas INC | Mcallen | TX | — | ◇ UNVERIFIED |
| AMAztec Material Service CORP | Hodgkins | IL | — | ◇ UNVERIFIED |
| BRBaca Ready Mix of Savannah LLC | Savannah | GA | — | ◇ UNVERIFIED |
| BCBaja Contractors INC | Blue Island | IL | — | ◇ UNVERIFIED |
| BCBaja Contractors INC | Chicago | 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 |
| BBalcon | Manassas | VA | — | ◇ 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 |
 Baltimore Fabrication | Emigsville | PA | — | ◇ UNVERIFIED |
| BCBama Concrete Birmingham | Birmingham | AL | — | ◇ UNVERIFIED |
| BCBama Concrete Birmingham Hoover Plant | Birmingham | AL | — | ◇ UNVERIFIED |
| BCBama Concrete - Linden Temporary Plant | Linden | AL | — | ◇ UNVERIFIED |
| BCBama Concrete - Somerville Plant | Somerville | AL | — | ◇ UNVERIFIED |
| BAB and B Concrete Company Inc, Alcorn Ready Mix, Biggersville | Rienzi | MS | — | ◇ UNVERIFIED |
| BAB and B Concrete Company Inc, Ripley | Ripley | MS | — | ◇ UNVERIFIED |
| BCBandon Concrete and Development | Bandon | OR | — | ◇ UNVERIFIED |
| BBBangert Bros Const (deleted 2/1/90) | Unknown | CO | — | ◇ UNVERIFIED |
| BBBangert Brothers (millstone Bangert)-bussen Road Plant | Saint Louis | MO | — | ◇ UNVERIFIED |
| BBBarboursville Block Manufacturing Company | Huntington | WV | — | ◇ UNVERIFIED |
| BMBard Materials-galena | Galena | IL | — | ◇ UNVERIFIED |
| BMBard Materials Platteville | Platteville | WI | — | ◇ UNVERIFIED |
| BMBard Materials-warren | Warren | IL | — | ◇ UNVERIFIED |
| BIBardon INC. | Falmouth | VA | — | ◇ UNVERIFIED |
| BRBark River Concrete Products | Bark River | MI | — | ◇ UNVERIFIED |
| BIBarlett INC | Moffatt | CO | — | ◇ UNVERIFIED |
| BBBarnard Bessac Jv | Redwood City | CA | — | ◇ UNVERIFIED |
| BCBarnekow Construction & Supply | Commerce City | CO | — | ◇ UNVERIFIED |
| BDBarney & Dickenson, INC. | Tioga Center | NY | — | ◇ UNVERIFIED |
| BCBarry Concrete | Opelousas | LA | — | ◇ UNVERIFIED |
| BSBarry Swenson Builder | San Jose | CA | — | ◇ UNVERIFIED |
| BEBartholomew Enterprises | Truckee | CA | — | ◇ UNVERIFIED |
| BBasalite | Carson City | NV | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products | Fort Lupton | CO | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products LLC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products LLC Truck Shop | Carson City | NV | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products Site | Portland | OR | — | ◇ UNVERIFIED |
| BRBasic Ready Mix | Rome | GA | — | ◇ UNVERIFIED |
| BABasin Avenue & Panorama | Pahrump | NV | — | ◇ UNVERIFIED |
| BPBassbrook Products INC Dba Cohasset Concrete Produ | Cohasset | MN | — | ◇ UNVERIFIED |
| BLBaton LLC | Louisville | KY | — | ◇ UNVERIFIED |
| BLBaton LLC | Louisville | KY | — | ◇ UNVERIFIED |
| BMBattle Mtn Cbp | Battle Mountain | NV | — | ◇ UNVERIFIED |
| BBauer | Tooele | UT | — | ◇ UNVERIFIED |
| BCBay Concrete | Eight Mile | AL | — | ◇ UNVERIFIED |
| BRBayou Ready Mix LLC - Bunkie Plant | Bunkie | LA | — | ◇ UNVERIFIED |
| BRBaytown Ready-mix | Baytown | TX | — | ◇ UNVERIFIED |
| BRBayview Redi Mix INC | Aberdeen | WA | — | ◇ UNVERIFIED |
| BBB & B Concrete CO INC Oxford Div | Oxford | MS | — | ◇ UNVERIFIED |
| BEB&b Excavating INC | Edwards | CO | — | ◇ UNVERIFIED |
| BBB & B Redimix, INC. - Phillipsburg | Phillipsburg | KS | — | ◇ UNVERIFIED |
| BBB & B Redimix, INC. - Stockton | Stockton | KS | — | ◇ UNVERIFIED |
