| SPSierra Pacific | Aberdeen | WA | — | ◇ UNVERIFIED |
| SPSierra Pacific-anderson | Anderson | CA | — | ◇ UNVERIFIED |
| SPSierra Pacific Burney Facility | Burney | CA | — | ◇ UNVERIFIED |
| SPSierra Pacific Ind. Sonora | Sonora | CA | — | ◇ UNVERIFIED |
 Sierra Pacific Industries | Mount Vernon | WA | — | ◇ UNVERIFIED |
| Sierra Pacific Industries Lincoln Div | Lincoln | CA | — | ◇ UNVERIFIED |
| SLSimpson Lumber CO LLC | Shelton | WA | — | ◇ UNVERIFIED |
| SLSimpson Lumber CO Meldrim Operations | Meldrim | GA | — | ◇ UNVERIFIED |
| SCSouth Coast Lumber CO. | Brookings | OR | — | ◇ UNVERIFIED |
| SWSoutheast Wood | Louisville | AL | — | ◇ UNVERIFIED |
| SWSouthern Wood Preserving of Hattiesburg INC | Hattiesburg | MS | — | ◇ UNVERIFIED |
| SCStella-jones CORP | Bangor | WI | — | ◇ UNVERIFIED |
| SLStimson Lumber Company St Maries Mill | Saint Maries | ID | — | ◇ UNVERIFIED |
| SFSuperior Forest Products LLC | Montezuma | IN | — | ◇ UNVERIFIED |
 Swanson Group Mfg. Llc, Springfield | Springfield | OR | — | ◇ UNVERIFIED |
| TITemple Inland Forest Prod Corporation Southwest La Lumber Operations | Dequincy | LA | — | ◇ UNVERIFIED |
| TETexas Electric Cooperatives Treating Div | Jasper | TX | — | ◇ UNVERIFIED |
| TPThomaston Pretreatment Facility | Thomaston | GA | — | ◇ UNVERIFIED |
| TWThomas Wood Preserving INC | Grenada | MS | — | ◇ UNVERIFIED |
| TPTimber Producers Dewitt Sawmill Division | Dewitt | AR | — | ◇ UNVERIFIED |
| TPTimber Products CO. Limited Partnership | Medford | OR | — | ◇ UNVERIFIED |
| TLTolleson Lumber | Preston | GA | — | ◇ UNVERIFIED |
| TSTri State Lumber Company INC | Fulton | MS | — | ◇ UNVERIFIED |
| TLTroy Lumber Company INC. | Troy | NC | — | ◇ UNVERIFIED |
| UWUfp-new Waverly | New Waverly | TX | — | ◇ UNVERIFIED |
| URUfp Real Estate LLC Sterling (former Georgia Pacific Sterling Treating Plant) | Sterling | GA | — | ◇ UNVERIFIED |
| WLWestervelt Lumber Moundville, LLC | Moundville | AL | — | ◇ UNVERIFIED |
| WFWest Fraser Angelina | Lufkin | TX | — | ◇ UNVERIFIED |
| WFWest Fraser INC Joyce Mill | Joyce | LA | — | ◇ UNVERIFIED |
| WFWest Fraser Mcdavid Lumber Mill | Mc David | FL | — | ◇ UNVERIFIED |
| WCWestrock Charleston Kraft Llc-summerville | Summerville | SC | — | ◇ UNVERIFIED |
| WCWestrock Coated Board, LLC. - Mahrt Mill | Phenix City | AL | — | ◇ UNVERIFIED |
| WWeyerhaeuser-cfalls | Columbia Falls | MT | — | ◇ UNVERIFIED |
| WWeyerhaeuser-evergreen | Kalispell | MT | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO - Dodson Division | Dodson | LA | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO - Holden Wood Products | Holden | LA | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO Idabel Sawmill | Idabel | OK | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company | Grayling | MI | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company | Millport | AL | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company-dierks Mill | Dierks | AR | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company - Emerson | Emerson | AR | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company - Grifton | Grifton | NC | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr Company, Mccomb Wood Products | Magnolia | MS | — | ◇ UNVERIFIED |
| WNWeyerhaeuser Nr CO - Philadelphia Lumber | Philadelphia | MS | — | ◇ UNVERIFIED |
| WGW G Sullivan Lumber CO INC | Northport | AL | — | ◇ UNVERIFIED |
| WPWood Preservers INC | Warsaw | VA | — | ◇ UNVERIFIED |
| WWW. W. Wood Products Dudley | Dudley | MO | — | ◇ UNVERIFIED |
| 441-348053987-2023 | Prineville | OR | 1–19 | ◐ LIKELY ACTIVE |
| AHAAA Hardwoods | Weyauwega | WI | 20–99 | ◐ LIKELY ACTIVE |
| ASA.D.Bowman & Son Lumber Co., Inc. | Castle Creek | NY | 20–99 | ◐ LIKELY ACTIVE |
