| APAmerican Precast LLC | Venice | FL | — | ◇ UNVERIFIED |
| APAmerican Pre-mix Concrete CO. | Waco | TX | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products Conroe | Conroe | TX | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products Gunter | Gunter | TX | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products, LLC | Conroe | TX | — | ◇ UNVERIFIED |
| APAmeritex Pipe & Products Seguin | Seguin | TX | — | ◇ UNVERIFIED |
| ACAmeron Concrete & Steel Pipe Sys, So Div | Etiwanda | CA | — | ◇ UNVERIFIED |
| AIAmeron International | Etiwanda | CA | — | ◇ UNVERIFIED |
| AIAmeron Intl - Water Transmission Group | Phoenix | AZ | — | ◇ UNVERIFIED |
| APAmeron Pipe Group | Tracy | CA | — | ◇ UNVERIFIED |
| APAmeron Pole Products Division | Fillmore | CA | — | ◇ UNVERIFIED |
| ASAmeron Steel Fabrication Division | Fontana | CA | — | ◇ UNVERIFIED |
| ACAmes Construction Inc.cn | Aurora | CO | — | ◇ UNVERIFIED |
| AMA & M Victorian Decorations INC | South El Monte | CA | — | ◇ UNVERIFIED |
| ASAnatoliy Stone Products INC | Pendleton | SC | — | ◇ UNVERIFIED |
| AAAnderson Asphalt & Concrete Service INC | Sarasota | FL | — | ◇ UNVERIFIED |
| APAndrew's Prestressed Concrete | Clear Lake | IA | — | ◇ UNVERIFIED |
| ABAntioch Building Materials | Brentwood | CA | — | ◇ UNVERIFIED |
| ASAppleridge Stone International, INC. | Blairsville | PA | — | ◇ UNVERIFIED |
| ACAps Concrete Products INC. | Lannon | WI | — | ◇ UNVERIFIED |
| ACArban Carosi Diana Precast - Ladysmith Plant | Ruther Glen | VA | — | ◇ UNVERIFIED |
| APArban Precast Stone, LTD. | Dumfries | VA | — | ◇ UNVERIFIED |
| AArcee | Castle Rock Area | CO | — | ◇ UNVERIFIED |
| ACArchitectural Cast Stone, INC | Wichita | KS | — | ◇ UNVERIFIED |
| ACArchitectural Cast Stone,inc. | West Chicago | IL | — | ◇ UNVERIFIED |
| ACArchitectural Concrete Company, INC. | Palmetto | GA | — | ◇ UNVERIFIED |
| AFArchitectural Facades Unlimited | Gilroy | CA | — | ◇ UNVERIFIED |
| ALArchitectural Limestone, Inc. | Gurnee | IL | — | ◇ UNVERIFIED |
| AOArchitectural Ornaments INC | Kansas City | MO | — | ◇ UNVERIFIED |
| APArchitectural Precast & Foam LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| APArchitectural Precast & Foam, LLC | Jupiter | FL | — | ◇ UNVERIFIED |
| APArchitectural Products, INC. | Manassas | VA | — | ◇ UNVERIFIED |
| ACArco Concrete INC. | Fort Lupton | CO | — | ◇ UNVERIFIED |
| ALArmorock LLC | Boulder City | NV | — | ◇ UNVERIFIED |
| AAroostacast | Presque Isle | ME | — | ◇ UNVERIFIED |
| ACArquitectural Crete CORP | Dundee | FL | — | ◇ UNVERIFIED |
| ACArrow Concrete | Granby | CT | — | ◇ UNVERIFIED |
| AAArt and Stone Products INC | Sarasota | FL | — | ◇ UNVERIFIED |
| APArtis Pittman | Enterprise | AL | — | ◇ UNVERIFIED |
| AAArtistic Accents | Cumming | GA | — | ◇ UNVERIFIED |
| ACArtistic Columns, INC. | Oakland Park | FL | — | ◇ UNVERIFIED |
| ASArt Stone Products CORP | Newfield | NJ | — | ◇ UNVERIFIED |
| ASA Silvestri CORP | South San Francisco | CA | — | ◇ UNVERIFIED |
| APAsphalt Plant | Fort Myers | FL | — | ◇ UNVERIFIED |
| ASAthens Stonecasting, INC | Athens | GA | — | ◇ UNVERIFIED |
| AWAtlanta West Cast Stone | Bremen | GA | — | ◇ UNVERIFIED |
| ACAtlantic Concrete Products | Douglasville | GA | — | ◇ UNVERIFIED |
| ACAtlantic Concrete Pumping Enterprises INC | Coconut Creek | FL | — | ◇ UNVERIFIED |
| APAtlantic Pipe CORP | Santurce | PR | — | ◇ UNVERIFIED |
| APAtlantic Pipe CORP | Juana Diaz | PR | — | ◇ UNVERIFIED |
| 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 |
