| 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 |
| W2Waste 2 Energy Env. | Casa Grande | AZ | — | ◇ UNVERIFIED |
| WRWatauga Ready Mix Sparta Plant | Sparta | NC | — | ◇ UNVERIFIED |
| WLWatesco LLC | Doniphan | MO | — | ◇ 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 |
| WDWayne Davis Concrete - Wedowee | Wedowee | AL | — | ◇ UNVERIFIED |
| WCW C Lowery Incorporated | Callao | VA | — | ◇ UNVERIFIED |
| WIWcp INC | Salem | OR | — | ◇ UNVERIFIED |
| WIWcp INC | Wilsonville | OR | — | ◇ UNVERIFIED |
| WCWebb Concrete - Oxford | Oxford | AL | — | ◇ UNVERIFIED |
| WCWebber Cbp and Office Complex | Houston | TX | — | ◇ UNVERIFIED |
| WUWebber - United, LLC | Macon | GA | — | ◇ UNVERIFIED |
| WCWeddle Concrete | Jefferson | OR | — | ◇ UNVERIFIED |
| WCWekiwa Concrete Products | Zellwood | FL | — | ◇ UNVERIFIED |
| WBWelch Brothers Belvidere INC | Belvidere | IL | — | ◇ UNVERIFIED |
| WHWellington Hamrick, INC. | Boiling Springs | NC | — | ◇ UNVERIFIED |
| WHWellington Hamrick Precast, INC. | Boiling Springs | NC | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Salyersville | KY | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Prestonsburg | KY | — | ◇ UNVERIFIED |
| WGWells Group LLC the | Jenkins | KY | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Frankfort | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Summit | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Midlothian | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready-mix INC | Morris | IL | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix Plant | Chicago | IL | — | ◇ UNVERIFIED |
| WCWerner Construction Lo Pro | Various | NE | — | ◇ UNVERIFIED |
| WAWest Alabama Ready Mix - Jasper Facility | Jasper | AL | — | ◇ UNVERIFIED |
| WCWestar Concrete Company-antire Quarry | Eureka | MO | — | ◇ UNVERIFIED |
| WCWestbrook Constr | Cenver | CO | — | ◇ UNVERIFIED |
| WCWest Central Concrete Llc-warsaw Plant | Warsaw | MO | — | ◇ UNVERIFIED |
| WCWest Coast Concrete | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| WCWest Coast Materials | Oakdale | CA | — | ◇ UNVERIFIED |
| WCWest Coast Outlaws INC | Sacramento | CA | — | ◇ UNVERIFIED |
| WCWest Continental Auto Parts Company | Maryland Heights | MO | — | ◇ UNVERIFIED |
| WEWest End Materials | Bridgeton | MO | — | ◇ UNVERIFIED |
| WEWestern Engineering CO Lo Pro | North Platte | NE | — | ◇ UNVERIFIED |
| WMWestern Mobile Boulder, INC. | Estes Park | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Denver INC | Golden | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile INC | Greeley | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Avon Plt | Avon | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Bayfield Pit | Walden 18.5 Mi. Se of | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Craig Plt | Craig | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern (mtn Mobile Mix) | Meeker | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Was Flatirons Concrete | Fort Collins | CO | — | ◇ UNVERIFIED |
| WNWestern Ny Concrete CORP. | Batavia | NY | — | ◇ UNVERIFIED |
| WPWestern Paving.cn | Arvada | CO | — | ◇ UNVERIFIED |
 Western Ready Mix Concrete | Orland | CA | — | ◇ UNVERIFIED |
| Western Ready Mix Concrete CO | Red Bluff, Ca | CA | — | ◇ UNVERIFIED |
| Western Ready Mix Concrete INC. | Colusa | CA | — | ◇ UNVERIFIED |
| Western Ready Mix, INC (orland) | Hamilton City | CA | — | ◇ UNVERIFIED |
| Western Ready Mix,inc (willows) | Willows | CA | — | ◇ UNVERIFIED |
| WRWestern Refinery | Jamestown | NM | — | ◇ UNVERIFIED |
| WRWestern Refining - Gallup Refinery | Gallup | NM | — | ◇ UNVERIFIED |
| WRWestern Refining Terminals LLC - Cottage Grove | Cottage Grove | MN | — | ◇ UNVERIFIED |
| 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 |
| WSWestern Slope Refining CO | Fruita | CO | — | ◇ 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 |
| WGW G Tomko INC | Finleyville | PA | — | ◇ 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 |
| WCWhitehead Construction Asphalt Plant | Pascagoula | MS | — | ◇ UNVERIFIED |
| WCWhitehead Construction Company Inc, Whitehead Asphalt Plant | Pascagoula | MS | — | ◇ 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 |
