| 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 |