| 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 |
