| WSW.e.blain & Sons, INC. Bailey Asphalt Plant | Georgetown | MS | — | ◇ UNVERIFIED |
| WQWedowee Quarry | Wedowee | AL | — | ◇ UNVERIFIED |
| WAWeekley Asphalt Paving, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| WIWei Irwindale Plant | Irwindale | CA | — | ◇ UNVERIFIED |
| WCWelch Concrete Products | Almo | KY | — | ◇ UNVERIFIED |
| WVWelcome Valley Asphalt Plant | Roanoke | VA | — | ◇ UNVERIFIED |
| WAWeldon Asphalt CO Plant #2 | Watchung | NJ | — | ◇ UNVERIFIED |
| WMWeldon Materials INC | Rockaway | NJ | — | ◇ UNVERIFIED |
| WCWells Cargo, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| WQWendling Quarries, INC - Atalissa / Moscow Plant | Moscow | IA | — | ◇ UNVERIFIED |
| WCWerner Construction-astec 1 | State-wide | NE | — | ◇ UNVERIFIED |
| WIWestbound Investments LLC ** Inactive ** | Roaring River | NC | — | ◇ UNVERIFIED |
| WBWestern Bituminous Prods | Rochester | NY | — | ◇ UNVERIFIED |
| WCWestern Colloid Products | Oakland | CA | — | ◇ UNVERIFIED |
| WCWestern Consolidated Ind | Fort Lupton | CO | — | ◇ UNVERIFIED |
| WEWestern Emulsions INC | Tucson | AZ | — | ◇ UNVERIFIED |
| WEWestern Emulsions INC | White City | OR | — | ◇ UNVERIFIED |
| WEWestern Emulsions INC | Mojave | CA | — | ◇ UNVERIFIED |
| WEWestern Emulsions Plant | Billings | MT | — | ◇ UNVERIFIED |
| WEWestern Engineering Co, Plant 4 | Fort Calhoun | NE | — | ◇ UNVERIFIED |
| WEWestern Engineering CO Plnt 02 | North Platte | NE | — | ◇ UNVERIFIED |
| WEWestern Engineering CO Plnt 05 | Portable | NE | — | ◇ UNVERIFIED |
| WMWestern Materials INC - Asphalt | Murphy | NC | — | ◇ UNVERIFIED |
| WMWestern Mobile | Greeley | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Boulder INC | Boulder | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile INC | Boulder | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern INC | Denver | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern INC | El Paso County | CO | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Prospect Plt | Fort Collins | CO | — | ◇ UNVERIFIED |
| WNWestern Nevada Materials - Spanish Springs | Sparks | NV | — | ◇ UNVERIFIED |
| WPWestern Paving #2 | Westminster | CO | — | ◇ UNVERIFIED |
| WPWestern Paving Const.cn | Golden | CO | — | ◇ UNVERIFIED |
| WRWestern Refinery | Jamestown | NM | — | ◇ UNVERIFIED |
| WRWestern Refining CO | Phoenix | AZ | — | ◇ UNVERIFIED |
| WRWestern Refining - Gallup Refinery | Gallup | NM | — | ◇ UNVERIFIED |
| WRWestern Refining Terminals LLC - Cottage Grove | Cottage Grove | MN | — | ◇ UNVERIFIED |
| WRWestern Rock Products | Saint George | UT | — | ◇ UNVERIFIED |
| WRWestern Rock Products Corporation- Fort Pierce Pit | Saint George | UT | — | ◇ UNVERIFIED |
| WSWestern Slope Refining CO | Fruita | CO | — | ◇ UNVERIFIED |
| WSWestern Stone Products INC | Modesto | CA | — | ◇ UNVERIFIED |
| WSWestern Stone Products INC | Hughson | CA | — | ◇ UNVERIFIED |
| WAWestfall Aggregate and Materials, INC. (0165010135) | Circleville | OH | — | ◇ UNVERIFIED |
| WEWestinghouse Electric CO. L.l.c. | Hematite | MO | — | ◇ UNVERIFIED |
| WKWest Kentucky Asphalt and Materials | Murray | KY | — | ◇ UNVERIFIED |
| WKWest Ky Pavers INC | Hopkinsville | KY | — | ◇ UNVERIFIED |
| WLWest Lake Quarry & Material | Bridgeton | MO | — | ◇ UNVERIFIED |
| WVWest Virginia Paving, INC. Dba Southern Wv Asphalt | Beaver | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Paving, INC. Dba Southern Wv Asphalt | Summersville | WV | — | ◇ UNVERIFIED |
| WVWest Virginia Paving, Inc., Plant 30 (dunbar) | Dunbar | WV | — | ◇ UNVERIFIED |
| WAWestwego Asphalt Facility | Westwego | LA | — | ◇ UNVERIFIED |