| WWildscapes | Warrensburg | MO | — | ◇ UNVERIFIED |
| WPWildwood - Plant 4 | Wildwood | FL | — | ◇ UNVERIFIED |
| WTWildwood Township Condo Association | Thousand Oaks | CA | — | ◇ UNVERIFIED |
| WBWilkes Barre Materials/plains Plt | Laflin | PA | — | ◇ UNVERIFIED |
| WGWillamette Graystone | Wood Village | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone LLC | Albany | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Springfield, Or Tank | Springfield | OR | — | ◇ UNVERIFIED |
| WAWillard Asphalt Paving Inc-lebanon Plant | Lebanon | MO | — | ◇ UNVERIFIED |
| WCWillard C Thorn | Salem | IN | — | ◇ UNVERIFIED |
| WTWillbee Transit Mix Company, INC. (p1444) | Jackson | MI | — | ◇ UNVERIFIED |
| WIWillcan, Inc. | Calhoun | GA | — | ◇ UNVERIFIED |
| WIWillcan, INC. Dba Basic Ready Mix-calhoun | Calhoun | GA | — | ◇ UNVERIFIED |
| WBWillcutt Block and Supply Company of Tuscaloosa, INC. | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| WBWille Brothers CO INC | Monee | IL | — | ◇ UNVERIFIED |
| WBWille Brothers Lemont | Lemont | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Const CO LLC Materials Div | Roscoe | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Const CO LLC Materials Div | Rochelle | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction | Loves Park | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction CO | Durand | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction CO | Biggsville | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction CO | Belvidere | IL | — | ◇ UNVERIFIED |
| WEWilliam Elston Septic Tanks | Jefferson Township | PA | — | ◇ UNVERIFIED |
| WKWilliam Kingsley | Capitola | CA | — | ◇ UNVERIFIED |
| WCWilliamson CO Ready Mix Concrete CO | Nashville | TN | — | ◇ UNVERIFIED |
| WSWilliamson & Sons Marine Construction INC | Cape Coral | FL | — | ◇ UNVERIFIED |
| WPWilliams Paving Company, Seaway Road | Gulfport | MS | — | ◇ UNVERIFIED |
| WRWilliams Ready Mix Products, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| WTWilliam Thompson | Elbert Cnty | CO | — | ◇ UNVERIFIED |
| WWWilliam Weddle | La Crescenta | CA | — | ◇ UNVERIFIED |
| WCWillis Construction CO INC | Hollister | CA | — | ◇ UNVERIFIED |
| WPWillis Plant | Willis | TX | — | ◇ UNVERIFIED |
| WBWillocks Brothers CO INC. | Maryville | TN | — | ◇ UNVERIFIED |
| WCWil-mix Concrete Products | Festus | MO | — | ◇ UNVERIFIED |
| WLWilmont, LLC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| WCWilson Concrete Products LLC | Webb City | MO | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Wilsonville | OR | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Beaverton | OR | — | ◇ UNVERIFIED |
| WCWindsor Concrete Co-windsor Concrete CO | Windsor | MO | — | ◇ UNVERIFIED |
| WHWindy Hill Pv Twenty One Mf LLC | Walnut Creek | CA | — | ◇ UNVERIFIED |
| WCWine Concrete Products, INC. | Sewickley | PA | — | ◇ UNVERIFIED |
| WKWinfield, Ks Stockpile | Winfield | KS | — | ◇ UNVERIFIED |
| WRWingra Redi Mix | Waunakee | WI | — | ◇ UNVERIFIED |
| WPWinkelman Plant #546 | Winkelman | AZ | — | ◇ UNVERIFIED |
| WCWinnemucca Concrete Batch Plant | Winnemucca | NV | — | ◇ UNVERIFIED |
| WAWinters Aggregates | Winters | CA | — | ◇ UNVERIFIED |
| WNWinterville - Nc Rmc | Winterville | NC | — | ◇ UNVERIFIED |
| WBWiregrass Block & Precast | Newton | AL | — | ◇ UNVERIFIED |
| WCWiregrass - Calera | Calera | AL | — | ◇ UNVERIFIED |
| WCWiregrass Construction - Blake Bottom | City of Huntsville | AL | — | ◇ UNVERIFIED |
| WCWiregrass Construction CO INC | Andalusia | AL | — | ◇ UNVERIFIED |