| AMAmerican Materials Corporation | Trenton | — | ◇ UNVERIFIED |
| APAmerican Pre-mix Concrete CO. | Waco | — | ◇ UNVERIFIED |
| ARAmerican Rockwool Manufacturing, LLC. | Nolanville | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products Conroe | Conroe | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products Gunter | Gunter | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products, LLC | Conroe | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products Seguin | Seguin | — | ◇ UNVERIFIED |
| ATArchitectural Tile & Stone | Austin | — | ◇ UNVERIFIED |
| ARArcola Rmc Plant | Rosharon | — | ◇ UNVERIFIED |
| ALArlington Logistics Plant | Arlington | — | ◇ UNVERIFIED |
| AEAsgi Enterprises, LLC | Sugar Land | — | ◇ UNVERIFIED |
| AMAssociated Marble Company, INC. | Houston | — | ◇ UNVERIFIED |
| AFAthens Facility | Athens | — | ◇ UNVERIFIED |
| ASAustin South Plant | Austin | — | ◇ UNVERIFIED |
| AMAuz Materials Company, LLC | Hockley | — | ◇ UNVERIFIED |
| AGAvant Garde | Houston | — | ◇ UNVERIFIED |
| ABAzar Block & Brick of South Texas INC | Mcallen | — | ◇ UNVERIFIED |
| AAAzaro Aparicio & Sergio H Aparicio | San Juan | — | ◇ UNVERIFIED |
| BSBalch Springs | Balch Springs | — | ◇ UNVERIFIED |
| BPBalcones Plant | New Braunfels | — | ◇ UNVERIFIED |
| BSBanderas Stone Supply INC. | Dallas | — | ◇ UNVERIFIED |
| BABay Area Marble | Pasadena | — | ◇ UNVERIFIED |
| BRBaytown Ready-mix | Baytown | — | ◇ UNVERIFIED |
| BLBeck Landfill and Screening Plant | Schertz | — | ◇ UNVERIFIED |
| BMBerry Marble Company, Inc., Dba U. S. Granite | Tyler | — | ◇ UNVERIFIED |
| BBBest Block - Featherlite Converse Plant | Converse | — | ◇ UNVERIFIED |
| BMBest Masonry & Tool Supply LP | San Antonio | — | ◇ UNVERIFIED |
| BRBest Redi Mix Holding CO. | Hockley | — | ◇ UNVERIFIED |
| BCBeton Concrete - Mount Vernon | Mount Vernon | — | ◇ UNVERIFIED |
| BCBetter Cast Stone | Mansfield | — | ◇ UNVERIFIED |
| BDBig D Concrete INC | Dallas | — | ◇ UNVERIFIED |
| BRBlanco Road Ready Mix Plant | San Antonio | — | ◇ UNVERIFIED |
| BRBlue Ridge Cbp | Blue Ridge | — | ◇ UNVERIFIED |
| BSBlue Star Glass Texas | Dallas | — | ◇ UNVERIFIED |
| BSBoerne Site | Boerne | — | ◇ UNVERIFIED |
| BIBonanza Industries INC. | Houston | — | ◇ UNVERIFIED |
| BCBoral Concrete Products, LLC | Dallas | — | ◇ UNVERIFIED |
| BABrenham Area Marble | Brenham | — | ◇ UNVERIFIED |
| BSBretthauer-ramirez Staffing, INC. | Pearland | — | ◇ UNVERIFIED |
| BBBrite Blast LLC | Houston | — | ◇ UNVERIFIED |
| BFBrownwood Facility | Brownwood | — | ◇ UNVERIFIED |
| BCBuffalo Concrete Batch Plant | Buffalo | — | ◇ UNVERIFIED |
| BPBuffalo Plant 30 | Buffalo | — | ◇ UNVERIFIED |
| BRBuffalo Ready Mix | Buffalo | — | ◇ UNVERIFIED |
| BDBull Dog Ready Mix | Houston | — | ◇ UNVERIFIED |
| BCBurks Concrete Contractors, INC. | Santa Fe | — | ◇ UNVERIFIED |
| CRCampbell Rmc Tamina - Plant 31 | Conroe | — | ◇ UNVERIFIED |
| CCapa | Penitas | — | ◇ UNVERIFIED |
| CPCapital Precast | San Marcos | — | ◇ UNVERIFIED |
| CCCardinal Ct | Irving | — | ◇ UNVERIFIED |
