| VPVulcan - Prescott Valley Hma Plant | Prescott Valley | AZ | — | ◇ UNVERIFIED |
| VVulcan-saluda | Glenns | VA | — | ◇ UNVERIFIED |
| VSVulcan - Sterling Plant | Sterling | VA | — | ◇ UNVERIFIED |
| WMWa317935881 - Mutual Materials Company | Kent | WA | — | ◇ UNVERIFIED |
| WCWa317936757 - Cpc Materials INC | Lake Stevens | WA | — | ◇ UNVERIFIED |
| WMWa317937176 - Mutual Materials Company | Mica | WA | — | ◇ UNVERIFIED |
| WHWa317938929 - Holroyd CO INC | Olympia | WA | — | ◇ UNVERIFIED |
| WMWa317938941 - Miles Sand & Gravel Company | Lacey | WA | — | ◇ UNVERIFIED |
| WCWa317939927 - Cadman INC | Redmond | WA | — | ◇ UNVERIFIED |
| WMWa317940088 - Miles Sand & Gravel Company | Kent | WA | — | ◇ UNVERIFIED |
| WUWa317941422 - Ultrablock INC | Vancouver | WA | — | ◇ UNVERIFIED |
| WCWa317941530 - Cpm Development CORP | Pacific | WA | — | ◇ UNVERIFIED |
| WPWa317942930 - Precast By Design INC | Elk | WA | — | ◇ UNVERIFIED |
| WCWa317943339 - Calportland Company | Kenmore | WA | — | ◇ UNVERIFIED |
| WMWa317946548 - Miles Resources LLC | Puyallup | WA | — | ◇ UNVERIFIED |
| WCWa317947159 - Cascade Concrete Products Company INC | Winthrop | WA | — | ◇ UNVERIFIED |
| WAWa317947598 - Aaa Readymix INC Ii | Moses Lake | WA | — | ◇ UNVERIFIED |
| WDWa317947915 - Dennis Sales CO | Raymond | WA | — | ◇ UNVERIFIED |
| WBWa317948531 - Bayside Redi Mix LLC | Shelton | WA | — | ◇ UNVERIFIED |
| WOWa317948974 - Okanogan Valley Concrete INC | Okanogan | WA | — | ◇ UNVERIFIED |
| WMWa317950046 - Miles Sand & Gravel Company | Port Orchard | WA | — | ◇ UNVERIFIED |
| WLWa317950845 - Lehigh Northwest Cement Company | Everett | WA | — | ◇ UNVERIFIED |
| WSWabasha Sand Gravel & Ready Mixed CO | Wabasha | MN | — | ◇ UNVERIFIED |
| WCWahoo Concrete Products | Wahoo | NE | — | ◇ UNVERIFIED |
| WRWakeeney Redi-mix INC | Wakeeney | KS | — | ◇ UNVERIFIED |
| WPWaldorf Plant | Waldorf | MD | — | ◇ UNVERIFIED |
| WPWalker Portable | Anderson | SC | — | ◇ UNVERIFIED |
| WSWalker Sand and Gravel | Bellevue | ID | — | ◇ UNVERIFIED |
| WSWapenish Sand and Gravel | Wapato | WA | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Kirksville South | Kirksville | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete LLC | Truesdale | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Mexico | Mexico | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Moberly | Cairo | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete - New Florence | New Florence | MO | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Troy | Troy | MO | — | ◇ UNVERIFIED |
| WOWarrior Operations INC | Warrior | AL | — | ◇ UNVERIFIED |
| WRWarrior Ready Mix | Warrior | AL | — | ◇ UNVERIFIED |
| WRWarsaw Ready-mix | Warsaw | MO | — | ◇ UNVERIFIED |
| WGWashington Group-alberici | Olmsted | IL | — | ◇ UNVERIFIED |
| WRWatauga Ready Mix Sparta Plant | Sparta | NC | — | ◇ UNVERIFIED |
| WLWatesco LLC | Doniphan | MO | — | ◇ UNVERIFIED |
| WCWatkins Concrete Block CO | Omaha | NE | — | ◇ UNVERIFIED |
| WCWaugh Chapel Plant | Gambrills | MD | — | ◇ UNVERIFIED |
| WWWa Wsu Long Beach Research and Ext Unit | Long Beach | WA | — | ◇ UNVERIFIED |
| WBWaxahachie Batch Plant 1 | Waxahachie | TX | — | ◇ UNVERIFIED |
| WPWaxahachie Plant | Waxahachie | TX | — | ◇ UNVERIFIED |
| WRWayland Ready Mix Concrete & Fertilizer | Macomb | IL | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete | Rockmart | GA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Lanett | Lanett | AL | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Villa Rica | Villa Rica | GA | — | ◇ UNVERIFIED |
| WDWayne Davis Concrete - Wedowee | Wedowee | AL | — | ◇ UNVERIFIED |
| WCW C Lowery Incorporated | Callao | VA | — | ◇ UNVERIFIED |
| WIWcp INC | Wilsonville | OR | — | ◇ UNVERIFIED |
| WIWcp INC | Salem | OR | — | ◇ UNVERIFIED |
| WCWebb Concrete - Oxford | Oxford | AL | — | ◇ UNVERIFIED |
| WCWebber Cbp and Office Complex | Houston | TX | — | ◇ UNVERIFIED |
| WUWebber - United, LLC | Macon | GA | — | ◇ UNVERIFIED |
| WCWeddle Concrete | Jefferson | OR | — | ◇ UNVERIFIED |
| WCWekiwa Concrete Products | Zellwood | FL | — | ◇ UNVERIFIED |
| WBWelch Brothers Belvidere INC | Belvidere | IL | — | ◇ UNVERIFIED |
| WHWellington Hamrick, INC. | Boiling Springs | NC | — | ◇ UNVERIFIED |
| WHWellington Hamrick Precast, INC. | Boiling Springs | NC | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Jenkins | KY | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Salyersville | KY | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Prestonsburg | KY | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Midlothian | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Summit | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Frankfort | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready-mix INC | Morris | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix Plant | Chicago | IL | — | ◇ UNVERIFIED |
| WCWerner Construction Lo Pro | Various | NE | — | ◇ UNVERIFIED |
| WAWest Alabama Ready Mix - Jasper Facility | Jasper | AL | — | ◇ UNVERIFIED |
| WCWestar Concrete Company-antire Quarry | Eureka | MO | — | ◇ UNVERIFIED |
| WCWestbrook Constr | Cenver | CO | — | ◇ UNVERIFIED |
| WCWest Central Concrete Llc-warsaw Plant | Warsaw | MO | — | ◇ UNVERIFIED |
| WCWest Coast Concrete | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| WCWest Coast Materials | Oakdale | CA | — | ◇ UNVERIFIED |
| WCWest Coast Outlaws INC | Sacramento | CA | — | ◇ UNVERIFIED |
| WCWest Continental Auto Parts Company | Maryland Heights | MO | — | ◇ UNVERIFIED |
| WEWest End Materials | Bridgeton | MO | — | ◇ UNVERIFIED |
| WEWestern Engineering CO Lo Pro | North Platte | NE | — | ◇ UNVERIFIED |
| WMWestern Mobile Boulder, INC. | Estes Park | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Denver INC | Golden | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile INC | Greeley | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Avon Plt | Avon | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Bayfield Pit | Walden 18.5 Mi. Se of | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Craig Plt | Craig | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern (mtn Mobile Mix) | Meeker | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Was Flatirons Concrete | Fort Collins | CO | — | ◇ UNVERIFIED |
| WNWestern Ny Concrete CORP. | Batavia | NY | — | ◇ UNVERIFIED |
| WPWestern Paving.cn | Arvada | CO | — | ◇ UNVERIFIED |
 Western Ready Mix Concrete | Orland | CA | — | ◇ UNVERIFIED |
| Western Ready Mix Concrete CO | Red Bluff, Ca | CA | — | ◇ UNVERIFIED |
| Western Ready Mix Concrete INC. | Colusa | CA | — | ◇ UNVERIFIED |
| Western Ready Mix, INC (orland) | Hamilton City | CA | — | ◇ UNVERIFIED |
| Western Ready Mix,inc (willows) | Willows | CA | — | ◇ UNVERIFIED |
| WRWestern Rock Products Corporation- Sorenson Pit | Saint George | UT | — | ◇ UNVERIFIED |
| WSWestern Sand and Gravel CO LLC | Spring Valley | IL | — | ◇ UNVERIFIED |
| WSWestern Sand & Gravel CO | Mendota | IL | — | ◇ UNVERIFIED |
| WSWestern Slope Aggregate | Carbondale | CO | — | ◇ UNVERIFIED |
