| APAtlantic Precast Concrete, INC | Sarasota | FL | — | ◇ UNVERIFIED |
| ACAtlas Construction Supply, INC | Fullerton | CA | — | ◇ UNVERIFIED |
| APAtmi Precast INC. | Kenosha | WI | — | ◇ UNVERIFIED |
| ADAuburndale Drymix Plant | Auburndale | FL | — | ◇ UNVERIFIED |
| ATAuburn Tile | Ontario | CA | — | ◇ UNVERIFIED |
| AAAzaro Aparicio & Sergio H Aparicio | San Juan | TX | — | ◇ UNVERIFIED |
| BSBadger Shredding Products INC | Fairmont City | IL | — | ◇ UNVERIFIED |
| BLBaldwin Lighting INC | Bay Minette | AL | — | ◇ UNVERIFIED |
| BLBaleydian, LLC | Perris | CA | — | ◇ UNVERIFIED |
| BRBartile Roofs INC | Tooele | UT | — | ◇ UNVERIFIED |
| BRBartile Roofs INC | South Ogden | UT | — | ◇ UNVERIFIED |
| BRBartile Roofs INC | Centerville | UT | — | ◇ UNVERIFIED |
| BPBartow Precast INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| BVBaxter Vault Company INC | Baxter Springs | KS | — | ◇ UNVERIFIED |
| BCBayshore Concrete | Fort Myers | FL | — | ◇ UNVERIFIED |
| BCB C Concrete | Missoula | MT | — | ◇ UNVERIFIED |
| BCB & C Concrete Products, INC. | North Wilkesboro | NC | — | ◇ UNVERIFIED |
| BMBear Materials LLC | Bear | DE | — | ◇ UNVERIFIED |
| BBBedrock Block CO. | Orlando | FL | — | ◇ UNVERIFIED |
| BCBedrock Commercial Concrete Cutting, LLC | Portland | OR | — | ◇ UNVERIFIED |
| BSBelgrade Steel Tank CO INC | Belgrade | MN | — | ◇ UNVERIFIED |
| BSBelgrade Steel Tank CO INC - | Crow Lake Township | MN | — | ◇ UNVERIFIED |
| BBBell Burial Vault Company | Hamilton | OH | — | ◇ UNVERIFIED |
| BCBell Concrete Industries INC | Middlesboro | KY | — | ◇ UNVERIFIED |
| BCBell Concrete Industries INC | Middlesboro | KY | — | ◇ UNVERIFIED |
| BMBellingham Marine Industries | Dixon | CA | — | ◇ UNVERIFIED |
| BMBellingham Marine Industries INC | Dixon | CA | — | ◇ UNVERIFIED |
| BMBellingham Marine Industries INC. | Oceanside | CA | — | ◇ UNVERIFIED |
| BSBello Stone LLC | Drumore | PA | — | ◇ UNVERIFIED |
| BRBenedette Roof Tile Company | Kansas City | MO | — | ◇ UNVERIFIED |
| BBBest Block/oberfields | Sunbury | OH | — | ◇ UNVERIFIED |
| BMBethlehem Manufacturing Co., INC. | Hickory | NC | — | ◇ UNVERIFIED |
| BSBethlehem Stone | Climax Springs | MO | — | ◇ UNVERIFIED |
| BIBickes, INC. | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| BIBickes, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| BIBickes, INC. | Jackson | MS | — | ◇ UNVERIFIED |
| BIBickes INC D/b/a Jackson Wilbert Burial Vault CO | Jackson | TN | — | ◇ UNVERIFIED |
| BIBickes, INC. Dba Wilbert Burial Vault Company | Fort Branch | IN | — | ◇ UNVERIFIED |
| BGBig G INC - Pickett Concrete | Morehead (rowan) | KY | — | ◇ UNVERIFIED |
| BRBig Rock Manufacturing INC | Honolulu | HI | — | ◇ UNVERIFIED |
| BBBinghamton Burial Vault Co., INC. | Binghamton | NY | — | ◇ UNVERIFIED |
| BPBinghamton Precast & Supply | Binghamton | NY | — | ◇ UNVERIFIED |
 Binghamton Precast & Supply CORP. | Binghamton | NY | — | ◇ UNVERIFIED |
| BGBlack Gunite, INC. | Saint Joseph | MO | — | ◇ UNVERIFIED |
| BWBlairsville Wilbert Vault Company | Mount Pleasant | PA | — | ◇ UNVERIFIED |
| BPBlakeslee Prestress, INC. | East Boston | MA | — | ◇ UNVERIFIED |
| BCBledsoe Concrete Foundation Specialist, INC. | Wilmington | NC | — | ◇ UNVERIFIED |
| BLBlue Level Construction Consulting LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| BPBoccella Precast | Winslow Twp | NJ | — | ◇ UNVERIFIED |
| BCBolton Concrete Products INC. | Johnson City | TN | — | ◇ UNVERIFIED |
