| SCSoutheastern Concrete Products Columbia | Columbia | SC | 1–19 | ◐ LIKELY ACTIVE |
| SCSoutheastern Concrete Products Upstate LLC | Simpsonville | SC | 1–19 | ◐ LIKELY ACTIVE |
| SRSoutheast Ready Mix INC | Waynesboro | MS | 1–19 | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Materials-waynesville Plant | Waynesville | NC | 20–99 | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Products of Lexington | Lexington | TN | 1–19 | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Products of Paris | Paris | TN | 20–99 | ◐ LIKELY ACTIVE |
| SCStabil Concrete Products, LLC | Sarasota | FL | — | ◐ LIKELY ACTIVE |
| SCStandard Concrete Products | Savannah | GA | 100–499 | ◐ LIKELY ACTIVE |
| SRState Ready Mix - a Calportland Company | Oxnard | CA | 20–99 | ◐ LIKELY ACTIVE |
| SPSTLP Pavestone | Scott City | MO | 20–99 | ◐ LIKELY ACTIVE |
| SRStrong Ready Mix | Abilene | TX | 20–99 | ◐ LIKELY ACTIVE |
| TITexas Industries | Dallas | TX | 1–19 | ◐ LIKELY ACTIVE |
| TBThe Bauer Company INC. | Worthington | PA | 20–99 | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | West Liberty | KY | — | ◐ LIKELY ACTIVE |
| TCToledo Concrete INC | Toledo | IL | 1–19 | ◐ LIKELY ACTIVE |
| TCToxaway Concrete | Cashiers | NC | 20–99 | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Barker | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Conroe | Conroe | TX | 1–19 | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Spring | Spring | TX | 20–99 | ◐ LIKELY ACTIVE |
| TBTri-county Block & Brick INC | Swanton | OH | 20–99 | ◐ LIKELY ACTIVE |
| TCTri-county Concrete Company | Twinsburg | OH | 1–19 | ◐ LIKELY ACTIVE |
| TATUSB Arizona Best Block | Tucson | AZ | 1–19 | ◐ LIKELY ACTIVE |
| UCUnilock Chicago | Aurora | IL | 100–499 | ◐ LIKELY ACTIVE |
| UMUnilock Marengo | Marengo | IL | 20–99 | ◐ LIKELY ACTIVE |
| UNUnilock New York, Inc. | Brewster | NY | 20–99 | ◐ LIKELY ACTIVE |
| UCUnion City | Union City | CA | 20–99 | ◐ LIKELY ACTIVE |
| UCUniversal Concrete Prod Corp/stowe | Stowe | PA | 100–499 | ◐ LIKELY ACTIVE |
| UBUtility Block | Albuquerque | NM | 20–99 | ◐ LIKELY ACTIVE |
| UCUtility Concrete Products | Morris | IL | 100–499 | ◐ LIKELY ACTIVE |
| VRValley Rock Ready Mix, INC. | Lompoc | CA | — | ◐ LIKELY ACTIVE |
| VRVandalia Ready Mix | Vandalia | IL | 1–19 | ◐ LIKELY ACTIVE |
| VEVan Eaton Ready Mix, Inc. | Shawnee | OK | 100–499 | ◐ LIKELY ACTIVE |
| VGVBC Group LLC | Spring Lake | MI | 20–99 | ◐ LIKELY ACTIVE |
| VRViking Ready Mix | Tyler | TX | 20–99 | ◐ LIKELY ACTIVE |
| VRViking Ready Mix/Hanford | Hanford | CA | 20–99 | ◐ LIKELY ACTIVE |
| WPWaxahachie Plant | Waxahachie | TX | 100–499 | ◐ LIKELY ACTIVE |
| WBWest Broadway Ready Mix Plant | Phoenix | AZ | 1–19 | ◐ LIKELY ACTIVE |
| WCWest Carrollton Plant 164 | West Carrollton | OH | 20–99 | ◐ LIKELY ACTIVE |
| WCWestview Concrete CORP | Olmsted Falls | OH | 1–19 | ◐ LIKELY ACTIVE |
| WRWhite River Materials | Batesville | AR | 20–99 | ◐ LIKELY ACTIVE |
| WRWieberg Red-e-mix INC - Meta | Meta | MO | 1–19 | ◐ LIKELY ACTIVE |
Wieser Concrete Products | Roxana | IL | 20–99 | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Parsons | Parsons | KS | 20–99 | ◐ LIKELY ACTIVE |
| WGWillamette Graystone - Salem | Salem | OR | 1–19 | ◐ LIKELY ACTIVE |
| WBWILLE BROTHERS COMPANY- Oak Forest Ready Mix Plant | Oak Forest | IL | 20–99 | ◐ LIKELY ACTIVE |
| WBWILLE BROTHERS COMPANY- Sauk Village Ready Mix Plant | Sauk Village | IL | 1–19 | ◐ LIKELY ACTIVE |
| WRWillmar Ready Mix | Willmar | MN | 1–19 | ◐ LIKELY ACTIVE |
| WWilson | Wilson | NC | 20–99 | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Products CO. | Hastings | NE | — | ◐ LIKELY ACTIVE |
| WRWalters Ready Mix INC | Rexburg | ID | — | ◐ LIKELY ACTIVE |
| 3C3d Concrete | Sparks | NV | — | ◇ UNVERIFIED |
| 3C3d Concrete - Trico | Sparks | NV | — | ◇ UNVERIFIED |
| 7L77 Leicester Street LLC | North Oxford | MA | — | ◇ UNVERIFIED |
| ARAa Ready Mixed Concrete | Gardena | CA | — | ◇ UNVERIFIED |
| A1Abilene 1 | Abilene | TX | — | ◇ UNVERIFIED |
| ARAbilene Ready Mix Plant | Abilene | TX | — | ◇ UNVERIFIED |
| ABAda Batch Plant | Ada | OK | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle Co-asheville | Asheville | NC | — | ◇ UNVERIFIED |
| AAAdams an Oldcastle Co-charlotte | Charlotte | 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 |
| ACAdams Cowpens Dm | Gaffney | SC | — | ◇ UNVERIFIED |
| APAdams Products - Concrete Block Plant | Dunn | NC | — | ◇ UNVERIFIED |
| AIAggregate Inds Northeast Region INC | Hudson | NH | — | ◇ UNVERIFIED |
| AIAggregate Industries - Castle Rock Plant | Castle Rock | CO | — | ◇ UNVERIFIED |
| AIAggregate Industries Fargo Ready Mix | Fargo | ND | — | ◇ UNVERIFIED |
| AIAggregate Industries INC -mpls Ready Mix | Minneapolis | MN | — | ◇ UNVERIFIED |
| AIAggregate Industries INC - Newport Plant | Newport | MN | — | ◇ UNVERIFIED |
| AIAggregate Industries Maple Grove Ready Mix | Maple Grove | MN | — | ◇ UNVERIFIED |
| AIAggregate Industries Ready Mixed Concrete | Waltham | MA | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Centennial | CO | — | ◇ UNVERIFIED |
| AIAggregate Industries Wcr INC Cs-east Ready Mix Plant | Colorado Springs | CO | — | ◇ UNVERIFIED |
| AIAggregate Industries Wcr INC Drake Ready Mix Plant | Fort Collins | CO | — | ◇ UNVERIFIED |
| AIAggregate Industries Wcr INC Firestone Ready Mix Plant | Longmont | CO | — | ◇ UNVERIFIED |
| AIAggregate Industries Wcr INC Franktown Ready Mix Plant | Franktown | CO | — | ◇ UNVERIFIED |
| AJA J Equipment Company Duncan | Duncan | SC | — | ◇ UNVERIFIED |
| AAAka Airway Pit | Airway Heights | WA | — | ◇ UNVERIFIED |
| ACAlleyton Cypress Plant | Cypress | TX | — | ◇ UNVERIFIED |
| APAlleyton Plant 10 - New Caney | New Caney | TX | — | ◇ UNVERIFIED |
| APAlliance Plant | Roanoke | TX | — | ◇ UNVERIFIED |
| APAllied - Plant 11 Katy | Katy | TX | — | ◇ UNVERIFIED |
| APAllied Plant 1 - Rosenburg | Rosenberg | TX | — | ◇ UNVERIFIED |
| APAllied Plant 5 - Manvel | Manvel | TX | — | ◇ UNVERIFIED |
| APAllied Plant 8 - Holmes Rd | Houston | TX | — | ◇ UNVERIFIED |
| ARAllied Readymix, INC. | Stockbridge | GA | — | ◇ UNVERIFIED |
| AMAmcor Masonry Products | North Salt Lake | UT | — | ◇ UNVERIFIED |
| ACAmerican Concrete & Precast INC | Anderson | SC | — | ◇ UNVERIFIED |
| ACAmerican Concrete & Precast INC | Greenville | SC | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products | Creston | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products | Des Moines | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Denison | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Winterset | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Clarinda | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Atlantic | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Perry | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply - Foley | Foley | AL | — | ◇ UNVERIFIED |
| ACAmerican Concretesupply, INC - Cantonment Plant | Cantonment | FL | — | ◇ UNVERIFIED |