| WCWhite Cap Ready Mix #1 -portola | Portola | CA | — | ◇ UNVERIFIED |
| WCWhite Cap Ready Mix #2 -chester | Chester | CA | — | ◇ UNVERIFIED |
| WCWhited Cemetery Service | Menifee | CA | — | ◇ UNVERIFIED |
| WCWhitley CO Concrete & Supply | Williamsburg | KY | — | ◇ UNVERIFIED |
| WRWieberg Red E Mix | Meta | MO | — | ◇ UNVERIFIED |
| WPWieser Precast Steps INC | Stewartville | MN | — | ◇ UNVERIFIED |
| WCWiggins Concrete CO INC Estill | Estill | SC | — | ◇ UNVERIFIED |
| WBWilbert Burial Vaults | Atlanta | GA | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services Amarillo | Amarillo | TX | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services INC. | Jackson | MO | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Mulberry | FL | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Lawton | OK | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, Inc.-minot | Minot | ND | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. - Wamego | Wamego | KS | — | ◇ UNVERIFIED |
| WFWilbert Funeral Sevices INC | Broadview | IL | — | ◇ UNVERIFIED |
| WIWilbert, INC. | Parsons | KS | — | ◇ UNVERIFIED |
| WWildscapes | Warrensburg | MO | — | ◇ UNVERIFIED |
| WCWillard C Thorn | Salem | IN | — | ◇ UNVERIFIED |
| WIWillcan, Inc. | Calhoun | GA | — | ◇ UNVERIFIED |
| WBWille Brothers CO INC | Monee | IL | — | ◇ UNVERIFIED |
| WBWille Brothers Lemont | Lemont | IL | — | ◇ UNVERIFIED |
| WEWilliam Elston Septic Tanks | Jefferson Township | PA | — | ◇ UNVERIFIED |
| WRWilliams Ready Mix Products, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| WCWillis Construction CO INC | Hollister | CA | — | ◇ UNVERIFIED |
| WPWillis Plant | Willis | TX | — | ◇ UNVERIFIED |
| WAWillows at East Greenville | East Greenville | PA | — | ◇ UNVERIFIED |
| WQWilly Quoc Mai | La Mesa | CA | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Wilsonville | OR | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Beaverton | OR | — | ◇ UNVERIFIED |
| WCWine Concrete Products, INC. | Sewickley | PA | — | ◇ 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 |
| WSWisconsin Silos INC | Plover | WI | — | ◇ UNVERIFIED |
| WLW L Plastics CORP | Cedar City | UT | — | ◇ UNVERIFIED |
| WEWls Enterprises, INC | Indianapolis | IN | — | ◇ UNVERIFIED |
| WCWohler Chemical, LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| WCWoodburn Concrete | Woodburn | OR | — | ◇ UNVERIFIED |
| WSWoodruff & Sons, INC. | Bradenton | FL | — | ◇ UNVERIFIED |
| WRWoodsboro Ready-mix Concrete Plant | Woodsboro | MD | — | ◇ UNVERIFIED |
| WTWooldridge Tissue Service | Gardena | CA | — | ◇ UNVERIFIED |
| WPWorkman Precast Corporation | Louisville | NE | — | ◇ UNVERIFIED |
| WPWorkman Precast Corporation | Springfield | NE | — | ◇ UNVERIFIED |
| WEWorld Energy Elk Grove LLC | Elk Grove | CA | — | ◇ UNVERIFIED |
| WTWpc Technologies | Fenton | MO | — | ◇ UNVERIFIED |
| WRW R Forde Associates | Richmond | CA | — | ◇ UNVERIFIED |
| WRW. R. Grace & Co.-conn. | Baltimore | MD | — | ◇ UNVERIFIED |
| WGW.r. Grace & CO. - Conn. | Baltimore | MD | — | ◇ UNVERIFIED |
| WRW R Grace & CO Conn Grace Construction Prods | Hatfield | PA | — | ◇ UNVERIFIED |
| WMWright Mix Material Solutions LLC | Delbarton | WV | — | ◇ UNVERIFIED |
| WSWrist Ship Supply | Harahan | LA | — | ◇ UNVERIFIED |
| WRW R Meadows of Az INC | Goodyear | AZ | — | ◇ UNVERIFIED |
| WUWsp USA Solutions INC | Scotts Valley | CA | — | ◇ UNVERIFIED |
| WIWSU Investments, LLC | Jackson | MI | — | ◇ UNVERIFIED |
| WGWw Green Glow | Strong City | KS | — | ◇ UNVERIFIED |
| WEWylatti Enterprises LLC Dba Geo Aggregates | Fort Bragg | CA | — | ◇ UNVERIFIED |
| XX-chem | — | TX | — | ◇ UNVERIFIED |
| XMXpress Materials LLC | Panama City Beach | FL | — | ◇ UNVERIFIED |
| XYX Y Z Trading Group, INC. | Miami | FL | — | ◇ UNVERIFIED |
| YCYakima Chief Hemp Sunnyside | Sunnyside | WA | — | ◇ UNVERIFIED |
| YRYarrington Road Materials LP | San Marcos | TX | — | ◇ UNVERIFIED |
| YSYesenia S Heredia Dba Heredia's Concrete | Byron | CA | — | ◇ UNVERIFIED |
| YFYeti Farms LLC | Pueblo | CO | — | ◇ UNVERIFIED |
| YCYork Concrete Company | York | PA | — | ◇ UNVERIFIED |
| ZCZachry Construction | Kernersville | NC | — | ◇ UNVERIFIED |
| ZCZachry Construction Kpi Pugmill 415356 | Lexington | SC | — | ◇ UNVERIFIED |
| ZCZachry Construction - Portable Concrete Batch Plant 518-502 | Statesville | NC | — | ◇ UNVERIFIED |
| ZVZeiser Vault Company | Nescopeck | PA | — | ◇ UNVERIFIED |
| ZRZimmerly Ready Mix CO | Marshall | IL | — | ◇ UNVERIFIED |
| ZRZimmerly Ready Mix CO INC | Paris | IL | — | ◇ UNVERIFIED |
| ZRZimmerly Ready Mix CO INC | Chrisman | IL | — | ◇ UNVERIFIED |
| ZSZupan & Smith Sand & Concrete Simpsonville | Simpsonville | SC | — | ◇ UNVERIFIED |
| ZIZyfa INC | Nevada City | CA | — | ◇ UNVERIFIED |