| WPWaldorf Plant | Waldorf | MD | — | ◇ UNVERIFIED |
| WCWalker Concrete CO. | Griffin | GA | — | ◇ UNVERIFIED |
| WCWalker Concrete CO. - Locust Grove | Locust Grove | GA | — | ◇ UNVERIFIED |
| WAWalters #1 Alt Tank Battery - Sailes Field | Pleasant Hill | LA | — | ◇ UNVERIFIED |
| WRWando Redimix LLC | Charleston | SC | — | ◇ UNVERIFIED |
| WSWarden & Smith INC Bennettsville | Bennettsville | SC | — | ◇ UNVERIFIED |
| WSWarden & Smith INC Cheraw | Cheraw | SC | — | ◇ UNVERIFIED |
| WSWarden & Smith INC Pageland | Pageland | SC | — | ◇ UNVERIFIED |
| WCWardwell Construction and Trucking Corporation | Orland | ME | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Kirksville North | Kirksville | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete LLC | Truesdale | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Wentzville | Wentzville | MO | — | ◇ UNVERIFIED |
| WOWarrior Operations INC | Warrior | AL | — | ◇ UNVERIFIED |
| WRWarsaw Ready-mix | Warsaw | MO | — | ◇ UNVERIFIED |
| WGWashington Group-alberici | Olmsted | IL | — | ◇ UNVERIFIED |
| WCWaugh Chapel Plant | Gambrills | MD | — | ◇ UNVERIFIED |
| WWWa Wsu Long Beach Research and Ext Unit | Long Beach | WA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Dallas New | Dallas | GA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Douglasville | Douglasville | GA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Hiram | Hiram | GA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Rockmart | Rockmart | GA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Wedowee | Wedowee | AL | — | ◇ UNVERIFIED |
| WWeatherford | Weatherford | TX | — | ◇ UNVERIFIED |
| WBWeatherford #2 Batch Plant | Weatherford | OK | — | ◇ UNVERIFIED |
| WCWebb Concrete Company INC | Barnwell | SC | — | ◇ UNVERIFIED |
| WBWelch Brothers Belvidere INC | Belvidere | IL | — | ◇ UNVERIFIED |
| WHWellington Hamrick Precast, INC. | Boiling Springs | NC | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Jenkins | KY | — | ◇ UNVERIFIED |
| WRWells Ready Mix | Wells | MN | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix | Bolingbrook | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix Plant | Chicago | IL | — | ◇ UNVERIFIED |
| WCWest Continental Auto Parts Company | Maryland Heights | MO | — | ◇ UNVERIFIED |
| WMWestern Mobile Denver INC | Golden | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Bayfield Pit | Walden 18.5 Mi. Se of | CO | — | ◇ UNVERIFIED |
| WRWestern Refining Terminals LLC - Cottage Grove | Cottage Grove | MN | — | ◇ UNVERIFIED |
| WSWestern Slope Refining CO | Fruita | CO | — | ◇ UNVERIFIED |
| WRWestfield Ready Mix INC | Westfield | MA | — | ◇ UNVERIFIED |
| WAWestgate Ave | Dickinson | ND | — | ◇ UNVERIFIED |
| WMWest Monroe Ready Mix | West Monroe | LA | — | ◇ UNVERIFIED |
| WQWest Quarry | Vinton | TX | — | ◇ UNVERIFIED |
| WRWest Ranch Aggregate - Port Generator | Rocky Ford Area | CO | — | ◇ UNVERIFIED |
| WRWest Ready Mix, INC. | Helenwood | TN | — | ◇ UNVERIFIED |
| WRWest Ready-mix, Plant 1 | Eight Mile | AL | — | ◇ UNVERIFIED |
| WRWest Ready-mix, Plant 2, Loxley Plant | Loxley | AL | — | ◇ UNVERIFIED |
| WTWest Tennessee Ready Mix, LLC - Piperton Plant | Piperton | TN | — | ◇ UNVERIFIED |
| WPWetumpka Plant | Wetumpka | AL | — | ◇ UNVERIFIED |
| WFW Fort Worth Plant | Aledo | TX | — | ◇ UNVERIFIED |
| WCWheatland Concrete | Gervais | OR | — | ◇ UNVERIFIED |
| WCWhitehead Construction Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |
| WCWhitehead Construction Company Inc, Whitehead Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |