| UCUtility Concrete Products | Morris | IL | 100–499 | ◐ LIKELY ACTIVE |
| UPUtility Precast, INC. | Concord | NC | 20–99 | ◐ LIKELY ACTIVE |
| VGVBC Group LLC | Spring Lake | MI | 20–99 | ◐ LIKELY ACTIVE |
| VIVfp INC | Duffield | VA | 100–499 | ◐ LIKELY ACTIVE |
| WFWaco Facility | Waco | TX | 100–499 | ◐ LIKELY ACTIVE |
| WTWausau Tile, Inc. - WI | Rothschild | WI | 100–499 | ◐ LIKELY ACTIVE |
| WCWells Concrete Products Company - Grand Forks | Grand Forks | ND | 1–19 | ◐ LIKELY ACTIVE |
| WCWells Concrete Products - Maple Grove | Maple Grove | MN | 20–99 | ◐ LIKELY ACTIVE |
| WRWestlake Royal Roofing - Denver, Co | Henderson | CO | 1–19 | ◐ LIKELY ACTIVE |
 Wieser Concrete Products | Roxana | IL | 20–99 | ◐ LIKELY ACTIVE |
| Wieser Concrete Products, INC. | Portage | WI | 20–99 | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Parsons | Parsons | KS | 20–99 | ◐ LIKELY ACTIVE |
| WGWillamette Graystone - Salem | Salem | OR | 1–19 | ◐ LIKELY ACTIVE |
| WNWilliam N. Lamarre Concrete Products, INC. | Greenville | NH | 20–99 | ◐ LIKELY ACTIVE |
| WMW.r Meadows of Texas | Fort Worth | TX | 20–99 | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Products CO. | Hastings | NE | — | ◐ LIKELY ACTIVE |
| AAAdams an Oldcastle Co-asheville | Asheville | NC | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle Co-colfax | Colfax | NC | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle CO Greensboro | Greensboro | NC | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle Company | Castle Hayne | NC | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle Company - Greenville Sc | Greenville | SC | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle Company - Morrisville | Morrisville | NC | — | ◇ UNVERIFIED |
| APAdams Products - Concrete Block Plant | Dunn | NC | — | ◇ UNVERIFIED |
| ARAdams Ridgeway | Ridgeway | SC | — | ◇ UNVERIFIED |
| APAds Pipe Dba Frederick Precast | Greencastle | PA | — | ◇ UNVERIFIED |
| AMAmcor Masonry Products | North Salt Lake | UT | — | ◇ UNVERIFIED |
| AAAmerimix a Div of Bonsal American | Auburndale | FL | — | ◇ UNVERIFIED |
| ABAnchor Block CO - South Plant | Shakopee | MN | — | ◇ UNVERIFIED |
| ACAnchor Concrete Prods | Farmingdale | NJ | — | ◇ UNVERIFIED |
| ACAnchor Concrete Prods. | Brick | NJ | — | ◇ UNVERIFIED |
| ACAnchor Concrete Prods. | Lyndhurst | NJ | — | ◇ UNVERIFIED |
| AHAnchor Holbrook | Holbrook | MA | — | ◇ UNVERIFIED |
| AMApg Mid-atlantic - Winchester | Winchester | VA | — | ◇ UNVERIFIED |
| BBBasalite Block | Tracy | CA | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products | Meridian | ID | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products | Dupont | WA | — | ◇ UNVERIFIED |
| BCBasalite Concrete Solutions LLC | Fort Lupton | CO | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 6 | Sugarcreek | OH | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 8 | Sugarcreek | OH | — | ◇ UNVERIFIED |
| BBBest Block - Bridgeton/st. Louis Mo Plant | Bridgeton | MO | — | ◇ UNVERIFIED |
| BBBest Block - Carder Road Block Plant | Orlando | FL | — | ◇ UNVERIFIED |
| BBBest Block Converse Plant | Converse | TX | — | ◇ UNVERIFIED |
| BBBest Block - Coolidge, Az Plant | Coolidge | AZ | — | ◇ UNVERIFIED |
| BBBest Block - Cordele, Ga Block Plant | Cordele | GA | — | ◇ UNVERIFIED |
| BBBest Block - Georgia Plant | Fairburn | GA | — | ◇ UNVERIFIED |
| BBBest Block - Jefferson City Plant | Jefferson City | MO | — | ◇ UNVERIFIED |
| BBBest Block LLC - Southland Block | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BBBest Block - Oakland/memphis Plant | Oakland | TN | — | ◇ UNVERIFIED |
| BBBest Block - Paducah, Ky Plant | Paducah | KY | — | ◇ UNVERIFIED |
| BBBest Block - Phoenix, Az Block Plant [quality Bloc | Phoenix | AZ | — | ◇ UNVERIFIED |
| BBBest Block - Springdale, Ar Plant | Springdale | AR | — | ◇ UNVERIFIED |
| BBBest Block - Springfield, Mo Plant | Springfield | MO | — | ◇ UNVERIFIED |
| BBBest Block - Tallahassee Block Plant | Tallahassee | FL | — | ◇ UNVERIFIED |
| BBBest Block - Tucson, Az Plant | Tucson | AZ | — | ◇ UNVERIFIED |
| BBBest Block - Tulsa Plant | Tulsa | OK | — | ◇ UNVERIFIED |
| BBBest Block - University Block Plant | Jacksonville | FL | — | ◇ UNVERIFIED |
| BRBig Rock Building Products | Rockwood | TN | — | ◇ UNVERIFIED |
| BUBlock USA Alabama Florence Plant | Florence | AL | — | ◇ UNVERIFIED |
| BUBlock USA Theodore | Theodore | AL | — | ◇ UNVERIFIED |
| BBBoral Best Block North Plant | Littleton | CO | — | ◇ UNVERIFIED |
| BRBoral Roofing | French Camp | CA | — | ◇ UNVERIFIED |
| BRBoral Roofing LLC | Henderson | NV | — | ◇ UNVERIFIED |
| BRBoral Roofing LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BBBradenton Block 9th St | Bradenton | FL | — | ◇ UNVERIFIED |
| CGCalstone Gilroy-oldcastle Apg | Gilroy | CA | — | ◇ UNVERIFIED |
| CSCarolina Steel Corporation | Colfax | NC | — | ◇ UNVERIFIED |
| CCCarson City Block Plant | Carson City | NV | — | ◇ UNVERIFIED |
| CCCayuga Concrete Pipe | Croydon | PA | — | ◇ UNVERIFIED |
| CRCemex Riviera Beach | Riviera Beach | FL | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Concrete Products | Kent | WA | — | ◇ UNVERIFIED |
| CACoastal an Oldcastle CO | Fort Pierce | FL | — | ◇ UNVERIFIED |
| CACoastal an Oldcastle CO | Jacksonville | FL | — | ◇ UNVERIFIED |
| CPConcrete Pipe & Precast LLC | Summerville | SC | — | ◇ UNVERIFIED |
| CACrh Americas, INC | Gulfport | MS | — | ◇ UNVERIFIED |
| CBCustom Building Products | N Las Vegas | NV | — | ◇ UNVERIFIED |
| CBCustom Building Products | Grand Prairie | TX | — | ◇ UNVERIFIED |
| DSDefuniak Springs Block USA | Defuniak Springs | FL | — | ◇ UNVERIFIED |
| DLDutchland LLC | Christiana | PA | — | ◇ UNVERIFIED |
| ESEldorado Stone - Greencastle (antrim Commons) | Greencastle | PA | — | ◇ UNVERIFIED |
| EBEldridge Bag Plant | Eldridge | IA | — | ◇ UNVERIFIED |
| EREntegra Roof Tile CORP | Okeechobee | FL | — | ◇ UNVERIFIED |
| EHEp Henry | Parker Ford | PA | — | ◇ UNVERIFIED |
| EHEp Henry | Fort Dix | NJ | — | ◇ UNVERIFIED |
| EHEp Henry CORP Woodbury Plant | Woodbury | NJ | — | ◇ UNVERIFIED |
 Five Star Products, INC. | New Orleans | LA | — | ◇ UNVERIFIED |
| FRFlorida Rock 50th Street Ready Mix Plant | Tampa | FL | — | ◇ UNVERIFIED |
| FRFlorida Rock Alico Road Block Plant | Fort Myers | FL | — | ◇ UNVERIFIED |
| FCForterra Concrete Operations | Lubbock | TX | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Billings | Billings | MT | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Cedar Rapids | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Des Moines | Des Moines | IA | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Helena | Helena | MT | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Humboldt | Humboldt | IA | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Iowa Falls | Iowa Falls | IA | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Menoken | Menoken | ND | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Rapid City | Rapid City | SD | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast-bonner Springs | Shawnee | KS | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast - Independence | Independence | MO | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast, LLC - Macedonia Facility | Macedonia | OH | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast - Riverside | Romoland | CA | — | ◇ UNVERIFIED |
