| WBWhatcom Builders INC | Bellingham | WA | — | ◇ UNVERIFIED |
| WCWheatland Concrete | Gervais | OR | — | ◇ UNVERIFIED |
| WRWheeler Rock Products | Wapato | WA | — | ◇ UNVERIFIED |
| WBWhite Bros Lynch CORP | Oak Bluffs | MA | — | ◇ UNVERIFIED |
| WBWhite Brothers Lynch CORP | Oak Bluffs | MA | — | ◇ UNVERIFIED |
| WCWhite Cement Specialties | Venice | FL | — | ◇ UNVERIFIED |
| WRWhite River Materials - Flippin | Flippin | AR | — | ◇ UNVERIFIED |
| WRWhite River Materials - Mtn Home Quarry | Mountain Home | AR | — | ◇ UNVERIFIED |
| WRWhite River Sand & Gravel-meeker Pit | Meeker | CO | — | ◇ UNVERIFIED |
| WCWhitten Concrete CO | Pine Bluff | AR | — | ◇ UNVERIFIED |
| WCWicomico County Airport | Salisbury | MD | — | ◇ UNVERIFIED |
| WCWiggins Concrete:hampton | Hampton | SC | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Davie | FL | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| WRWildcatter Redi-mix Paisano | Fort Worth | TX | — | ◇ UNVERIFIED |
| WPWildwood - Plant 4 | Wildwood | FL | — | ◇ UNVERIFIED |
| WPWilk Paving INC | Rutland City | VT | — | ◇ UNVERIFIED |
| WGWillamette Graystone | Wood Village | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Eugene, Or Block Plant | Eugene | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Wood Village, Or Paver Plan | Troutdale | OR | — | ◇ UNVERIFIED |
| WAWillard Asphalt Paving Inc-lebanon Plant | Lebanon | MO | — | ◇ UNVERIFIED |
| WTWillbee Transit Mix | Jackson | MI | — | ◇ UNVERIFIED |
| WIWillcan, INC. Dba Basic Ready Mix-calhoun | Calhoun | GA | — | ◇ UNVERIFIED |
| WPWillets Point Asphalt CORP | Flushing | NY | — | ◇ UNVERIFIED |
| WCWilliam Charles Const CO LLC Materials Div | Roscoe | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Const CO LLC Materials Div | Rochelle | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction CO | Belvidere | IL | — | ◇ UNVERIFIED |
| WCWilliam Charles Construction CO | Durand | IL | — | ◇ UNVERIFIED |
| WEWilliam E Dailey INC (shaftsbury) | Shaftsbury | VT | — | ◇ UNVERIFIED |
| W2Williams 24-1 Production Facility | Dequincy | LA | — | ◇ UNVERIFIED |
| WAWilliams Asphalt Materials | Mobile | AL | — | ◇ UNVERIFIED |
| WSWilliamson & Sons Marine Construction INC | Cape Coral | FL | — | ◇ UNVERIFIED |
| WPWilliams Paving Company, Seaway Road | Gulfport | MS | — | ◇ UNVERIFIED |
| WWWilliams Wilbert Vault Works INC | Des Moines | IA | — | ◇ UNVERIFIED |
| WPWillow Park | Aledo | TX | — | ◇ UNVERIFIED |
| WCWilson Concrete Products LLC | Webb City | MO | — | ◇ UNVERIFIED |
| WBWinder Block | Winder | GA | — | ◇ UNVERIFIED |
| WCWindsor Concrete Co-windsor Concrete CO | Windsor | MO | — | ◇ UNVERIFIED |
| WSWindsor Service INC | Reading | PA | — | ◇ UNVERIFIED |
| WRWingra Redi-mix INC Plant 1&2 | Fitchburg | WI | — | ◇ UNVERIFIED |
| WIWinter, INC. | Sioux Falls | SD | — | ◇ UNVERIFIED |
| WIWinter, INC. | Brookings | SD | — | ◇ UNVERIFIED |
| WBWiregrass Block & Precast | Newton | AL | — | ◇ UNVERIFIED |
| WCWiregrass - Calera | Calera | AL | — | ◇ UNVERIFIED |
| WCWiregrass Construction Co., INC. | Gadsden | AL | — | ◇ UNVERIFIED |
| WCWiregrass Construction - Fort Payne Plant | Fort Payne | AL | — | ◇ UNVERIFIED |
| WCWiregrass Construction - Scottsboro Plant | Scottsboro | AL | — | ◇ UNVERIFIED |
| WJW J & B Asphalt Co/east Huntingdon | Scottdale | PA | — | ◇ UNVERIFIED |
| WJW J Graves Construction CO | Templeton | MA | — | ◇ UNVERIFIED |
| WBWl Byrne INC | Middleborough | MA | — | ◇ UNVERIFIED |
