 Sierra Pacific Industries | Loyalton | CA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SBSilver Bay Logging Wrangell Sawmill | Wrangell | AK | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| STSimpson Timber CO Commencement Bay Opr | Tacoma | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| STSimpson Timber CO St Yd Sawmill 5 | Shelton | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SLSmallwood Lumber CO LLC | Frenchburg | KY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SFSmith Flooring INC | Winona | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| STSmith-turner Tie Company, LLC | Taylor | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SHSnow Hill Chip Mill | Snow Hill | NC | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SPSomerset Pellet Fuel | Science Hill | KY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SWSomerset Wood Products in | Burnside | KY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SSSorrells Sawmill | Sparkman | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SCSouth Central Pallets, INC D/b/a Smith Pallet Company, INC | Hatfield | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| STSoutheastern Timber Products - Ackerman Mill | Ackerman | MS | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SSSouthport Sawmill - Coos Bay | Coos Bay | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SSSouthport Sawmill - North Bend | North Bend | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SBSpann Brothers Lumber CO INC | White Bluff | TN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SLSpencer Lumber LLC | Salem | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SGSpring Grove Timber & Mat LLC | Claremont | VA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SRSpring River Lumber CO LLC | Caulfield | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SSSs Stave CO INC | Hopkins County | KY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SHStanfill Hardwood Lumber Company, INC. | Culleoka | TN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SCStella-jones Corporation | Goodwater | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SFStone Forest Industries Orangeburg | Orangeburg | SC | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SBStucker Bro's INC. | Ellsinore | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SLSutton Lumber, INC. | Amity | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SBSwanson Bros. Lumber CO. | Noti | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TGTarter Gate CO INC - Sawmill | Dunnville | KY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TJTeal Jones Lumber Services INC | Sumas | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TMTennessee Mills LLC | Livingston | TN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TWTennessee Wood Products INC | Red Boiling Spri | TN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TOTen Oaks Dobyns Facility | Stuart | VA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TAThe Ames CO Champion Fac | Champion | PA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TBThe Burroughs Ross Colville Company, LLC | Mc Minnville | TN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TJThe Jim C. Hamer Company, Marlinton | Marlinton | WV | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TOThe Oak Cooperage LLC | Higbee | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TSThe Sawmill, INC. | Hohenwald | TN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TTThe Tongue & Groove Store | Duluth | MN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TRThompson River Lumber | Thompson Falls | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TOThree Oaks Lumber CO | Van Buren | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TLTidewater Lumber | Tappahannock | VA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TPTimber Producers Durant Sawmill Division, LLC | Durant | MS | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TPTimber Producers, LLC | De Witt | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TKT K Stanley INC | Waynesboro | MS | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TLTombigbee Lumber Company INC | Fulton | MS | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TLTony L Stec Lumber/garland | Garland | PA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TPTraeger Pellet Grills, LLC | Menlo | GA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TRTrantham, Richard | Koshkonong | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TCTri County Pole & Piling INC | Pine Hill | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TRTrinity River Lumber Company | Weaverville | CA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TRTriple R Lumber INC | Garrison | KY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
