| UCUnited Carvings Incorporated | Hildebran | NC | — | ◇ UNVERIFIED |
| UMUnited Mfg., INC. (new Century)(stormwater) | New Century | KS | — | ◇ UNVERIFIED |
| UFUniversal Forest Products - Windsor | Windsor | CO | — | ◇ UNVERIFIED |
| UMUniversal Moorecraft Reel and Recycling | Tarboro | NC | — | ◇ UNVERIFIED |
| USUniversal Silencer - Plant 22 | Montello | WI | — | ◇ UNVERIFIED |
| UTUpland Timber, INC. | Mountain View | MO | — | ◇ UNVERIFIED |
| UCUpper Columbia Mill | Boardman | OR | — | ◇ UNVERIFIED |
| URUS Reel CORP | Carrollton | MO | — | ◇ UNVERIFIED |
| VFValley Flooring, LLC (0142000409)valley Flooring, LLC (0142000409) | Gambier | OH | — | ◇ UNVERIFIED |
| VLValley Lumber & Fencing INC | Summersville | WV | — | ◇ UNVERIFIED |
| VTValley Timber INC. | Fort Payne | AL | — | ◇ UNVERIFIED |
| VIValleywood Industries, INC. | Baltimore | MD | — | ◇ UNVERIFIED |
| VRVanleigh Rv, INC. | Burnsville | MS | — | ◇ UNVERIFIED |
| VMVanport Manufacturing, INC. | Boring | OR | — | ◇ UNVERIFIED |
| VCVerizon California INC. - Weaverville | Arcata | CA | — | ◇ UNVERIFIED |
| VIVermillion Inc-billings | Billings | MO | — | ◇ UNVERIFIED |
| VNVermont Natural Forest Products | Richford | VT | — | ◇ UNVERIFIED |
| VLVerso Luke LLC - Beryl Operations | Beryl | WV | — | ◇ UNVERIFIED |
| VCVittitow Cabinets | New Haven | KY | — | ◇ UNVERIFIED |
| VBVulcan Brunswick Bowling Pin CO. | Antigo | WI | — | ◇ UNVERIFIED |
| VMVulcan Materials | Parsons | TN | — | ◇ UNVERIFIED |
| WPWallingford Pallet & Lumber CO | Flemingsburg | KY | — | ◇ UNVERIFIED |
| WTWalsh Trucking CO LTD Morton | Morton | WA | — | ◇ UNVERIFIED |
| WSWarm Springs Mill | Warm Springs | VA | — | ◇ UNVERIFIED |
| WGWarren & Griffin | Williams | SC | — | ◇ UNVERIFIED |
| WFWarrenton Fiber Company | Warrenton | OR | — | ◇ UNVERIFIED |
| WWWatauga Wood Products, INC. | Boone | NC | — | ◇ UNVERIFIED |
| WBWayne Banks Pallet Company | Gilbertown | AL | — | ◇ UNVERIFIED |
| WLWayne Lumber CO INC | Monticello | KY | — | ◇ UNVERIFIED |
| WLWaynesboro Lumber Yard | Waynesboro | VA | — | ◇ UNVERIFIED |
| WCWellborn Cabinet INC -2 | Atkins | VA | — | ◇ UNVERIFIED |
| WCWells Cabinet Works INC | Philadelphia | MS | — | ◇ UNVERIFIED |
| WJWells J V INC - Sharptown | Sharptown | MD | — | ◇ UNVERIFIED |
| WOWenco of Ohio | Mount Vernon | OH | — | ◇ UNVERIFIED |
| WOWerzalit of America/bradford | Bradford | PA | — | ◇ UNVERIFIED |
| WCWest Coast Fixtures | Benicia | CA | — | ◇ UNVERIFIED |
| WPWestern Pacific Lumber | Ferndale | WA | — | ◇ UNVERIFIED |
| WWWestern Wood Products | Raton | NM | — | ◇ UNVERIFIED |
| WFWest Fraser Citronelle Lumber Mill | Citronelle | AL | — | ◇ UNVERIFIED |
| WFWest Fraser INC | Maplesville | AL | — | ◇ UNVERIFIED |
| WFWest Fraser, INC. | Perry | FL | — | ◇ UNVERIFIED |
| WFWest Fraser, INC. | Whitehouse | FL | — | ◇ UNVERIFIED |
| WFWest Fraser, INC. | Lake Butler | FL | — | ◇ UNVERIFIED |
| WHWest Hartford Stairs & Cabinets, INC. | Newington | CT | — | ◇ UNVERIFIED |
| WPWest Point Log Corporation | West Point | VA | — | ◇ UNVERIFIED |
| WCWestrock Chip Mill | Dillwyn | VA | — | ◇ UNVERIFIED |
| WCWestrock Coated Bd LLC | Cottonton | AL | — | ◇ UNVERIFIED |
| WLWestwind Logistics LLC | Des Moines | IA | — | ◇ UNVERIFIED |
| WCWeyerhaeuser Coburg Sawmill and Veneer | Eugene | OR | — | ◇ UNVERIFIED |
| WCWeyerhaeuser Company, Offsite Disposal Area | Philadelphia | MS | — | ◇ UNVERIFIED |
| WEWeyerhaeuser Enumclaw Millpond | Enumclaw | WA | — | ◇ UNVERIFIED |
| WEWeyerhaeuser Everett West Site | Everett | WA | — | ◇ UNVERIFIED |
| WLWeyerhaeuser Longview Lumber Mill | Longview | WA | — | ◇ UNVERIFIED |
| WNWeyerhaeuser North Bend Containerboard Mill | North Bend | OR | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO | Pine Hill | AL | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company, Wood Waste Disposal Facility | Bruce | MS | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO /wright City Complex | Wright City | OK | — | ◇ UNVERIFIED |
| WSWeyerhaeuser Sawmill Aberdeen | Aberdeen | WA | — | ◇ UNVERIFIED |
| WSWeyerhaeuser Snoqualimie Mill Site | Snoqualmie | WA | — | ◇ UNVERIFIED |
| WAWfp, a Division of Kent Lumber Companies, INC | Statesville | NC | — | ◇ UNVERIFIED |
| WCWhite County Lumber Co., INC. | Sparta | TN | — | ◇ UNVERIFIED |
| WPWhite's Pallets, INC. | Flomaton | AL | — | ◇ UNVERIFIED |
| WSWh Sandusky & Son INC | Columbia | KY | — | ◇ UNVERIFIED |
| WLWiggins Lumber Company INC | Wiggins | MS | — | ◇ UNVERIFIED |
| WDWilbur Devore Lumber/youngsville | Youngsville | PA | — | ◇ UNVERIFIED |
| WCWilco Cabinet Makers INC | Green Bay | WI | — | ◇ UNVERIFIED |
| WIWillamette Industries Site | Dallas | OR | — | ◇ UNVERIFIED |
| WVWillamette Valley Lumber | Stayton | OR | — | ◇ UNVERIFIED |
| WWWilliamsburg Woodcraft | Selma | NC | — | ◇ UNVERIFIED |
| WHWilliams Hardwood Lumber | Aurora | MO | — | ◇ UNVERIFIED |
| WDWillis Dry Kilns INC | Washington Court House | OH | — | ◇ UNVERIFIED |
| WWWilton Wood Products, LLC | Montevallo | AL | — | ◇ UNVERIFIED |
| WPWindowmaster Products INC | El Cajon | CA | — | ◇ UNVERIFIED |
| WHWinesburg Hardwood Lumber CO LLC (0238002007) | Dundee | OH | — | ◇ UNVERIFIED |
| WHWinston Hardwood, INC. | Double Springs | AL | — | ◇ UNVERIFIED |
| WIWko INC | Carson | WA | — | ◇ UNVERIFIED |
| WLW L Byrd Lumber Company INC | Fernwood | MS | — | ◇ UNVERIFIED |
| WCW.m. Cramer Lumber Company | Hildebran | NC | — | ◇ UNVERIFIED |
| WWWolford & Wethington INC | Liberty | KY | — | ◇ UNVERIFIED |
| WWWolford & Wethington Lumber | Hustonville | KY | — | ◇ UNVERIFIED |
| WAWommack and Sons | Weldon | NC | — | ◇ UNVERIFIED |
| WWWonder Woods of Colorado, INC. | Arvada | CO | — | ◇ UNVERIFIED |
| WIWoodcraft Industries Cabinet Door Div | Saint Cloud | MN | — | ◇ UNVERIFIED |
| WMWoodgrain Millwork | Emmett | ID | — | ◇ UNVERIFIED |
| WMWoodgrain Millwork INC | La Grande | OR | — | ◇ UNVERIFIED |
| WMWoodgrain Millwork, INC. | Montevallo | AL | — | ◇ UNVERIFIED |
| WMWoodgrain Millwork Incorporated | Atkins | VA | — | ◇ UNVERIFIED |
| WPWood Products, INC. | Oakland | MD | — | ◇ UNVERIFIED |
| WPWood Products of Conover | Conover | NC | — | ◇ UNVERIFIED |
| WPWood Products Unlimited INC | Brainerd | MN | — | ◇ UNVERIFIED |
| WMWoodstock Mills INC - Plant 2 | Scottsville | KY | — | ◇ UNVERIFIED |
| WLWoodward Land & Timber LLC | Prineville | OR | — | ◇ UNVERIFIED |
| WMWoodworking Mfg. & Supply | Hutchinson | KS | — | ◇ UNVERIFIED |
| WMWord Moss Hardwoods, INC. | Scottsboro | AL | — | ◇ UNVERIFIED |
| WWWorld Wood Company | Cove City | NC | — | ◇ UNVERIFIED |
| WRW R Deacon & Sons Timber INC | Lexington | VA | — | ◇ UNVERIFIED |
| WHWr Hardwoods LLC | West Liberty | KY | — | ◇ UNVERIFIED |
| WTW T Jones & Son INC | Ruther Glen | VA | — | ◇ UNVERIFIED |
| YLYoder Lumber | Millersburg | OH | — | ◇ UNVERIFIED |
| YCYork Caskets | Marshfield | MO | — | ◇ UNVERIFIED |
