| VCVulcan Construction Materials, LLC - Vulcan Springfield Asphalt Plant | Springfield | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials LP - Jack Quarry | Petersburg | VA | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials Puddledock | Prince George | VA | — | ◐ LIKELY ACTIVE |
| VMVulcan Materials:columbia Quarry | Columbia | SC | — | ◐ LIKELY ACTIVE |
| VPVulcan Portable One Plant - Flagstaff | Phoenix | AZ | — | ◐ LIKELY ACTIVE |
| WFWaco Facility | Waco | TX | 100–499 | ◐ LIKELY ACTIVE |
| WCWalker Concrete Co.-tyrone | Tyrone | GA | — | ◐ LIKELY ACTIVE |
| WCWalker Construction & Materials LLC - Hma Plant 1 | Mount Sterling | KY | — | ◐ LIKELY ACTIVE |
| WCWardwell Construction and Trucking CORP - Bucksport | Bucksport | ME | — | ◐ LIKELY ACTIVE |
| WRWarrensburg Ready Mix | Warrensburg | MO | — | ◐ LIKELY ACTIVE |
| WRWarrior Ready Mix | Warrior | AL | — | ◐ LIKELY ACTIVE |
| WCWashington County Highway Department | Jonesboro | TN | — | ◐ LIKELY ACTIVE |
| WRWatauga Ready Mix Sparta Plant | Sparta | NC | — | ◐ LIKELY ACTIVE |
| WCWaukesha Cnty Dot | Menomonee Falls | WI | — | ◐ LIKELY ACTIVE |
| WTWausau Tile, Inc. - WI | Rothschild | WI | 100–499 | ◐ LIKELY ACTIVE |
| WPWaxahachie Plant | Waxahachie | TX | 100–499 | ◐ LIKELY ACTIVE |
| WCWebb Concrete - Oxford | Oxford | AL | — | ◐ LIKELY ACTIVE |
| WCWebber Cbp and Office Complex | Houston | TX | — | ◐ LIKELY ACTIVE |
| WCWekiwa Concrete Products | Zellwood | FL | — | ◐ LIKELY ACTIVE |
| WCWelch Concrete Products | Almo | KY | — | ◐ 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 |
| WWWells & Wells Septic Tank Mfg and Pipe Sales | Anniston | AL | — | ◐ LIKELY ACTIVE |
| WIWestbound Investments LLC ** Inactive ** | Roaring River | NC | — | ◐ LIKELY ACTIVE |
| WBWest Broadway Ready Mix Plant | Phoenix | AZ | 1–19 | ◐ LIKELY ACTIVE |
| WCWest Carrollton Plant 164 | West Carrollton | OH | 20–99 | ◐ LIKELY ACTIVE |
| WAWestern Aggregates Incorporated (txi) | Boulder | CO | — | ◐ LIKELY ACTIVE |
| WMWestern Materials INC - Asphalt | Murphy | NC | — | ◐ LIKELY ACTIVE |
| WSWestern Slope Aggregate | Carbondale | CO | — | ◐ LIKELY ACTIVE |
| WRWestlake Royal Roofing - Denver, Co | Henderson | CO | 1–19 | ◐ LIKELY ACTIVE |
| WPWestover Plant | Westover | AL | — | ◐ LIKELY ACTIVE |
| WRWhistle Redi Mix INC | Holden | MO | — | ◐ LIKELY ACTIVE |
| WRWhistle Redi-mix (water) | La Cygne | KS | — | ◐ LIKELY ACTIVE |
| WRWhite River Materials, INC. - White River Materials Mountain Home Quarry | Mountain Home | AR | — | ◐ LIKELY ACTIVE |
| WRWhite River Materials - Mtn Home | Mountain Home | AR | — | ◐ LIKELY ACTIVE |
| WBWhiteville Building Supplies Incorporated | Whiteville | NC | — | ◐ LIKELY ACTIVE |
| WBWhitewater Building Materials - 940 S 10 | Grand Junction | CO | — | ◐ LIKELY ACTIVE |
Wieser Concrete Products | Roxana | IL | 20–99 | ◐ LIKELY ACTIVE |
Wieser Concrete Products, INC. | Portage | WI | 20–99 | ◐ LIKELY ACTIVE |
| WAWiest Asphalt Prod - Butler Facility | Butler | PA | — | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Parsons | Parsons | KS | 20–99 | ◐ 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 |
| WCWilliam Charles Construction | Loves Park | IL | — | ◐ LIKELY ACTIVE |
| WNWilliam N. Lamarre Concrete Products, INC. | Greenville | NH | 20–99 | ◐ LIKELY ACTIVE |
| WCWilliamson CO Ready Mix Concrete CO | Nashville | TN | — | ◐ LIKELY ACTIVE |
| WMWill Madden | De Queen | AR | — | ◐ LIKELY ACTIVE |
| WRWillmar Ready Mix | Willmar | MN | 1–19 | ◐ LIKELY ACTIVE |
| WBWillocks Brothers CO INC. | Maryville | TN | — | ◐ LIKELY ACTIVE |
| WWilson | Wilson | NC | 20–99 | ◐ LIKELY ACTIVE |