| 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 |
| WSWestern Slope Concrete Aka Beaver Bros. | Craig | CO | — | ◇ UNVERIFIED |
| WRWestfield Ready Mix INC | Westfield | MA | — | ◇ UNVERIFIED |
| WGWest Georgia Industries | Lagrange | GA | — | ◇ UNVERIFIED |
| WIWestile INC | Casa Grande | AZ | — | ◇ UNVERIFIED |
| WLWest Land and Equipment, LLC | Jefferson City | MO | — | ◇ UNVERIFIED |
| WPWestover Plant | Westover | AL | — | ◇ UNVERIFIED |
| WRWest Ranch Aggregate - Port Generator | Rocky Ford Area | CO | — | ◇ UNVERIFIED |
| WRWest Ready Mix, INC. | Helenwood | TN | — | ◇ UNVERIFIED |
| WRWest Ready-mix, Plant 2, Loxley Plant | Loxley | AL | — | ◇ UNVERIFIED |
| WRWest Ready-mix, Plant 4, Malcolm | Malcolm | AL | — | ◇ UNVERIFIED |
| WRWest Ready Mix, Plant 5 Summerdale | Summerdale | AL | — | ◇ UNVERIFIED |
| WVWest Valley Batch Plant | Kearns | UT | — | ◇ UNVERIFIED |
| WPWetumpka Plant | Wetumpka | AL | — | ◇ UNVERIFIED |
| WRWhistle Redi Mix Inc-holden Site | Holden | MO | — | ◇ UNVERIFIED |
| WCWhite Cap Ready Mix #1 -portola | Portola | CA | — | ◇ UNVERIFIED |
| WCWhite Cap Ready Mix #2 -chester | Chester | CA | — | ◇ UNVERIFIED |
| WCWhited Cemetery Service | Menifee | CA | — | ◇ UNVERIFIED |
| WRWhite River Sand & Gravel-meeker Pit | Meeker | CO | — | ◇ UNVERIFIED |
| WBWhiteville Building Supplies Incorporated | Whiteville | NC | — | ◇ UNVERIFIED |
| WBWhitewater Building Materials - 940 S 10 | Grand Junction | CO | — | ◇ 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 |
| WCWiggins Concrete:hampton | Hampton | 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. | Fort Myers | FL | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Davie | 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 |
| WRWildcatter Redi-mix Paisano | Fort Worth | TX | — | ◇ UNVERIFIED |
| WWildscapes | Warrensburg | MO | — | ◇ UNVERIFIED |
| WCWillard C Thorn | Salem | IN | — | ◇ UNVERIFIED |
| WIWillcan, Inc. | Calhoun | GA | — | ◇ UNVERIFIED |
| WIWillcan, INC. Dba Basic Ready Mix-calhoun | Calhoun | GA | — | ◇ UNVERIFIED |
| WBWille Brothers CO INC | Monee | IL | — | ◇ UNVERIFIED |
| WBWille Brothers Lemont | Lemont | IL | — | ◇ UNVERIFIED |
| WEWilliam Elston Septic Tanks | Jefferson Township | PA | — | ◇ UNVERIFIED |
| WCWilliamson CO Ready Mix Concrete CO | Nashville | TN | — | ◇ UNVERIFIED |
| WSWilliamson & Sons Marine Construction INC | Cape Coral | FL | — | ◇ UNVERIFIED |
| WRWilliams Ready Mix Products, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| WCWillis Construction CO INC | Hollister | CA | — | ◇ UNVERIFIED |
| WPWillis Plant | Willis | TX | — | ◇ UNVERIFIED |
| WCWil-mix Concrete Products | Festus | MO | — | ◇ 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 |
| 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 |
| WNWinterville - Nc Rmc | Winterville | NC | — | ◇ UNVERIFIED |
| WSWisconsin Silos INC | Plover | WI | — | ◇ UNVERIFIED |
| WBWl Byrne INC | Middleborough | MA | — | ◇ UNVERIFIED |
| WCWoodburn Concrete | Woodburn | OR | — | ◇ UNVERIFIED |
| WPWoodland Plant | Woodland | CA | — | ◇ UNVERIFIED |
| WSWoodruff & Sons, INC. | Bradenton | FL | — | ◇ UNVERIFIED |
| WSWoodruff Supply CO INC | Madisonville | KY | — | ◇ UNVERIFIED |
| WRWoodsboro Ready-mix Concrete Plant | Woodsboro | MD | — | ◇ UNVERIFIED |
| WPWorkman Precast Corporation | Springfield | NE | — | ◇ UNVERIFIED |
| WPWorkman Precast Corporation | Louisville | NE | — | ◇ UNVERIFIED |
| WPWpr - Plant 1 | Milton | FL | — | ◇ UNVERIFIED |
| WRWray Readi Mix INC. | Wray | CO | — | ◇ UNVERIFIED |
| WRW R Forde Associates | Richmond | CA | — | ◇ UNVERIFIED |
| WCWright Concrete Recycling INC | Markham | IL | — | ◇ UNVERIFIED |
| WMWright Mix Material Solutions LLC | Delbarton | WV | — | ◇ UNVERIFIED |
| WRW R Meadows of Az INC | Goodyear | AZ | — | ◇ UNVERIFIED |
| WGWw Green Glow | Strong City | KS | — | ◇ UNVERIFIED |
| WEWylatti Enterprises LLC Dba Geo Aggregates | Fort Bragg | CA | — | ◇ UNVERIFIED |
| XMXpress Materials LLC | Panama City Beach | FL | — | ◇ UNVERIFIED |
| XIXt Incorporated Dba Vanhooseco, Loudon | Loudon | TN | — | ◇ UNVERIFIED |
| XYX Y Z Trading Group, INC. | Miami | FL | — | ◇ UNVERIFIED |
| YMYager Materials INC | Hawesville | KY | — | ◇ UNVERIFIED |
| YAYamada and Sons | Hilo | HI | — | ◇ UNVERIFIED |
| YRYarrington Road Materials LP | San Marcos | TX | — | ◇ UNVERIFIED |
| YCYates Construction Concrete Plant | Calion | AR | — | ◇ UNVERIFIED |
| YBYellow Banks River Terminal LLC | Owensboro | KY | — | ◇ UNVERIFIED |
| YSYesenia S Heredia Dba Heredia's Concrete | Byron | CA | — | ◇ UNVERIFIED |
| YFYohnco Forest City Ready Mix | Forest City | IA | — | ◇ UNVERIFIED |
| YBYork Building Products CO Inc/new Holland | New Holland | PA | — | ◇ UNVERIFIED |
| YCYork Concrete Company | York | PA | — | ◇ UNVERIFIED |
| ZCZachry Construction | Kernersville | NC | — | ◇ UNVERIFIED |
| ZCZachry Construction Corporation Cbp #34-0120 | Lexington | SC | — | ◇ UNVERIFIED |
| ZCZachry Construction Kpi Pugmill 415356 | Lexington | SC | — | ◇ UNVERIFIED |
| ZCZachry Construction - Portable Concrete Batch Plant 518-502 | Statesville | NC | — | ◇ UNVERIFIED |
| ZDZak Dirt - Portable Batch Plant | Mead | CO | — | ◇ UNVERIFIED |
| ZRZamcrete Ready-mix | Houston | TX | — | ◇ UNVERIFIED |
| ZVZeiser Vault Company | Nescopeck | PA | — | ◇ UNVERIFIED |