| WSWestern Sand & Gravel CO | Mendota | IL | — | ◇ UNVERIFIED |
| WSWestern Slope Aggregate | Carbondale | CO | — | ◇ UNVERIFIED |
| WSWestern Slope Concrete Aka Beaver Bros. | Craig | CO | — | ◇ UNVERIFIED |
| WSWestern States Wholesale INC Dba Patio Industries | Ontario | CA | — | ◇ UNVERIFIED |
| WRWestfield Ready Mix INC | Westfield | MA | — | ◇ UNVERIFIED |
| WGWest Georgia Industries | Lagrange | GA | — | ◇ 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 |
| WCWhite Cap Ready Mix INC | Portola | CA | — | ◇ UNVERIFIED |
| WCWhite Cement Specialties | Venice | FL | — | ◇ UNVERIFIED |
| WRWhite Research & Development INC | Irmo | SC | — | ◇ 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 |
| WCWiggins Concrete CO INC Estill | Estill | SC | — | ◇ UNVERIFIED |
| WCWiggins Concrete:hampton | Hampton | SC | — | ◇ UNVERIFIED |
| WRWildcatter Redi-mix Paisano | Fort Worth | TX | — | ◇ UNVERIFIED |
| WGWillamette Graystone | Wood Village | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone LLC | Albany | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Springfield, Or Tank | Springfield | OR | — | ◇ 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 |
| 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 |
| WPWillis Plant | Willis | TX | — | ◇ UNVERIFIED |
| WBWillocks Brothers CO INC. | Maryville | TN | — | ◇ UNVERIFIED |
| WCWil-mix Concrete Products | Festus | MO | — | ◇ UNVERIFIED |
| WCWilson Concrete Products LLC | Webb City | MO | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Beaverton | OR | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Wilsonville | 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 |
| WBWiregrass Block & Precast | Newton | AL | — | ◇ UNVERIFIED |
| WBWl Byrne INC | Middleborough | MA | — | ◇ UNVERIFIED |
| WCWoodburn Concrete | Woodburn | OR | — | ◇ UNVERIFIED |
| WPWoodland Plant | Woodland | CA | — | ◇ UNVERIFIED |
| WSWoodruff Supply CO INC | Madisonville | KY | — | ◇ UNVERIFIED |
| WRWoodsboro Ready-mix Concrete Plant | Woodsboro | MD | — | ◇ UNVERIFIED |
| WPWpr - Plant 1 | Milton | FL | — | ◇ UNVERIFIED |
| WRWray Readi Mix INC. | Wray | CO | — | ◇ UNVERIFIED |
| WRW R Forde Associates | Richmond | CA | — | ◇ UNVERIFIED |
| WBWright Block & Precast - Ruby | Madisonville | KY | — | ◇ UNVERIFIED |
| WCWright Concrete Recycling INC | Markham | IL | — | ◇ 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 |
| YMYager Materials INC | Hawesville | KY | — | ◇ UNVERIFIED |
| YAYamada and Sons | Hilo | HI | — | ◇ UNVERIFIED |
| YLYardBlox LLC | Springville | UT | — | ◇ UNVERIFIED |
| YRYarrington Road Materials LP | San Marcos | TX | — | ◇ UNVERIFIED |
| YCYates Construction Concrete Plant | Calion | AR | — | ◇ UNVERIFIED |
| YBYavapai Block and Precast, Co., INC. | Prescott | AZ | — | ◇ 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 - Cockeysville | Cockeysville | MD | — | ◇ UNVERIFIED |
| YBYork Building Products CO Inc/new Holland | New Holland | 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 |
| ZRZamcrete Ready-mix | Houston | TX | — | ◇ UNVERIFIED |
| ZSZellar Sanitation, INC. | Manistique | MI | — | ◇ UNVERIFIED |
| ZPZenith Products CO | Maple Grove | MN | — | ◇ UNVERIFIED |
| ZRZimmerly Ready Mix CO | Marshall | IL | — | ◇ UNVERIFIED |
| ZRZimmerly Ready Mix CO INC | Paris | IL | — | ◇ UNVERIFIED |
| ZRZimmerly Ready Mix CO INC | Chrisman | IL | — | ◇ UNVERIFIED |
| ZZupan&smith:powderville | Powdersville | SC | — | ◇ UNVERIFIED |
| ZSZupan & Smith Sand & Concrete Simpsonville | Simpsonville | SC | — | ◇ UNVERIFIED |
| ZCZygrove Corporation | Mound | MN | — | ◇ UNVERIFIED |
