| SPSkyline Post and Pole Limited Liability Company | Louisa | VA | — | ◇ UNVERIFIED |
| SCSlade's Custom Sawmill | Providence | NC | — | ◇ UNVERIFIED |
| SRSlice Recovery INC | Coquille | OR | — | ◇ UNVERIFIED |
| SLSmallwood Lumber CO LLC | Frenchburg | KY | — | ◇ UNVERIFIED |
| SMS M C Lumber CO INC | Pulaski | TN | — | ◇ UNVERIFIED |
| SBSmith Brothers Lumber | Hartford | KY | — | ◇ UNVERIFIED |
| SFSmith Flooring INC | Winona | MO | — | ◇ UNVERIFIED |
| SHSmoke House Lumber Company | Warrenton | NC | — | ◇ UNVERIFIED |
| SISmoothbore International, INC. | Red Creek | NY | — | ◇ UNVERIFIED |
| SFSnavely Forest Products Company | Westminster | MD | — | ◇ UNVERIFIED |
| SISnider Industries Sawmill | Marshall | TX | — | ◇ UNVERIFIED |
| S6Snowball 6.0, LLC | New Plymouth | ID | — | ◇ UNVERIFIED |
| SHSnow Hill Chip Mill | Snow Hill | NC | — | ◇ UNVERIFIED |
| SSSnow Shoe Refractories Llc/clarence Plt | Snow Shoe | PA | — | ◇ UNVERIFIED |
| SISocco INC | Sumas | WA | — | ◇ UNVERIFIED |
| SSSolt's Sawmill | Mertztown | PA | — | ◇ UNVERIFIED |
| SPSomerset Pellet Fuel | Science Hill | KY | — | ◇ UNVERIFIED |
| SWSomerset Wood Products in | Burnside | KY | — | ◇ UNVERIFIED |
| SLSouthbound Lumber, LLC | Bainbridge | OH | — | ◇ UNVERIFIED |
| SFSouthern Forest Products | Appalachia | VA | — | ◇ UNVERIFIED |
| SFSouthern Forest Products LLC | Hiltons | VA | — | ◇ UNVERIFIED |
| SLSouthern Lumber Company | Quaker City | OH | — | ◇ UNVERIFIED |
| SPSouthern Pine and Timber Company, INC. | Lithia | FL | — | ◇ UNVERIFIED |
| SPSouthern Pyle Lumber LLC | New Canton | VA | — | ◇ UNVERIFIED |
| SSSouthern Sawn Lumber Company, LLC | Savannah | GA | — | ◇ UNVERIFIED |
| SWSouthern Wood Chips | Jasper | AL | — | ◇ UNVERIFIED |
| SWSouthern Wood Works of Gray, LLC | Gray | GA | — | ◇ UNVERIFIED |
| SFSouth Florida Grading INC | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| SFSouth Florida Shavings CO. | Lake Worth | FL | — | ◇ UNVERIFIED |
| SWSouthland Wood Recycling, L.l.c. | Valdosta | GA | — | ◇ UNVERIFIED |
| SSSouthport Sawmill | Coos Bay | OR | — | ◇ UNVERIFIED |
| SSSouthport Sawmill | North Bend | OR | — | ◇ UNVERIFIED |
| SLSouthside Lumber Company Incorporated | Emporia | VA | — | ◇ UNVERIFIED |
| SBSpann Brothers Lumber CO INC | White Bluff | TN | — | ◇ UNVERIFIED |
| SMSpecialized Milling Corporation | Fontana | CA | — | ◇ UNVERIFIED |
| SBSpecialty Beams, LLC | Heron | MT | — | ◇ UNVERIFIED |
| SHSpecialty Hardwoods of Indiana, INC. (nappanee Plant) | Nappanee | IN | — | ◇ UNVERIFIED |
| SWSpecialty Wood Products INC | Monticello (wayne) | KY | — | ◇ UNVERIFIED |
| STSpencer Trucking | Blossvale | NY | — | ◇ UNVERIFIED |
| SWSpigelmyer Wood Products, Incorporated | Lewistown | PA | — | ◇ UNVERIFIED |
| SLSpringfield Lumber Products INC | Junction City | OR | — | ◇ UNVERIFIED |
| SGSpring Grove Timber & Mat LLC | Claremont | VA | — | ◇ UNVERIFIED |
| SLSprowl Lumber Company Incorporated | Fountain Run | KY | — | ◇ UNVERIFIED |
| SKSquare K Lumber, LLC | Lewisburg | WV | — | ◇ UNVERIFIED |
| SSS & S Sawmill LLC | Peninsula | OH | — | ◇ UNVERIFIED |
| SSSs Stave CO INC | Hopkins County | KY | — | ◇ UNVERIFIED |
| SSStaggemeyer Stave CO INC | Caledonia | MN | — | ◇ UNVERIFIED |
| SHStanfill Hardwood Lumber Company, INC. | Culleoka | TN | — | ◇ UNVERIFIED |
| SSStange Sawmill | Prattville | AL | — | ◇ UNVERIFIED |
| SLState Line Lumber | Tompkinsville | KY | — | ◇ UNVERIFIED |
| SCStella-jones Corporation | Goodwater | AL | — | ◇ UNVERIFIED |
| SLSterling Lumber & Supply Company | Goodwater | AL | — | ◇ UNVERIFIED |
| SMSteve Martin Sawmill | Liberty [casey] | KY | — | ◇ UNVERIFIED |
| SFStevens Forest Products | North Logan | UT | — | ◇ UNVERIFIED |
| SRStevenson Rail Siding | Stevenson | AL | — | ◇ UNVERIFIED |
| SLStewart Lumber Company INC | Morristown | TN | — | ◇ UNVERIFIED |
| SSStice Sawmill, INC. | Bowie | TX | — | ◇ UNVERIFIED |
| SLStillwater Lumber, INC. | Charleston | ME | — | ◇ UNVERIFIED |
| SLStimson Lumber - Bonner | Bonner | MT | — | ◇ UNVERIFIED |
| SLStimson Lumber Company Atlas Mill Site | Coeur D Alene | ID | — | ◇ UNVERIFIED |
| SLStimson Lumber Company Plummer Mill | Plummer | ID | — | ◇ UNVERIFIED |
| SWStimson Washington INC | Colville | WA | — | ◇ UNVERIFIED |
| SMSt Marys Lumber | Saint Marys | PA | — | ◇ UNVERIFIED |
| SWStockton Wood Shavings Company | French Camp | CA | — | ◇ UNVERIFIED |
| SFStone Forest Industries Orangeburg | Orangeburg | SC | — | ◇ UNVERIFIED |
| SLStoneville Lumber Company, INC | Stoneville | NC | — | ◇ UNVERIFIED |
| SLStorm Lumber Acquisition Company | Licking | MO | — | ◇ UNVERIFIED |
| SLStorm Lumber & Pallet CO. | Licking | MO | — | ◇ UNVERIFIED |
| STStorm Trees LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| SEStraight Edge Stevedore Services, INC | Healdsburg | CA | — | ◇ UNVERIFIED |
| SFStrata Forest Products INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SUStratford Upholstery Company Llc, the | Eupora | MS | — | ◇ UNVERIFIED |
| SLStrickland Lumber Co, INC. | Eufaula | AL | — | ◇ UNVERIFIED |
| SWStuart Wilderness INC | Stuart | VA | — | ◇ UNVERIFIED |
| SFSuffolk Forest Products INC | Suffolk | VA | — | ◇ UNVERIFIED |
| SFSummit Forest Resources INC. | Markleysburg | PA | — | ◇ UNVERIFIED |
| SLSundance Lumber CO INC | Springfield | OR | — | ◇ UNVERIFIED |
| SLSunnyside Lumber & Barns Professional Limited Liability Company | Madisonville | TN | — | ◇ UNVERIFIED |
| SLSunrise Lumber LLC | Mio | MI | — | ◇ UNVERIFIED |
| SHSunset Hardwoods LLC | Centerville | IN | — | ◇ UNVERIFIED |
| SFSuperior Forest Products INC | Dorena | OR | — | ◇ UNVERIFIED |
| SHSuperior Hardwoods LLC | Leroy | MI | — | ◇ UNVERIFIED |
| SHSuperior Hardwoods of Ohio, INC. | Mc Arthur | OH | — | ◇ UNVERIFIED |
| SLSuperior Lumber INC | Tyrone | PA | — | ◇ UNVERIFIED |
| SSSuperior Shavings, LLC | Comer | GA | — | ◇ UNVERIFIED |
| SWSuperior Wood Components, INC. | Troy | AL | — | ◇ UNVERIFIED |
| SLSure-Cut LLC | East Jordan | MI | — | ◇ UNVERIFIED |
| SBSutton Brothers Lumber | Tennga | GA | — | ◇ UNVERIFIED |
| SLSuwanee Lumber Company One, INC. | Cross City | FL | — | ◇ UNVERIFIED |
| SBSwanson Big Timber INC. | Vinton | IA | — | ◇ UNVERIFIED |
| SBSwanson Bros. Lumber CO. | Noti | OR | — | ◇ UNVERIFIED |
 Swanson Group Mfg LLC | Glendale | OR | — | ◇ UNVERIFIED |
| Swanson Group Mfg LLC | Springfield | OR | — | ◇ UNVERIFIED |
| SSSwartzentruber Sawmill Company | Hartly | DE | — | ◇ UNVERIFIED |
| TRTable Rock Lumber CO & Mfg | Table Rock | NE | — | ◇ UNVERIFIED |
| TETak Enterprises, INC. | Kermit | WV | — | ◇ UNVERIFIED |
| TLTAK Lumber LLC | Punxsutawney | PA | — | ◇ UNVERIFIED |
| TTTalbert & Talbert Lumber Company INC | Roxboro | NC | — | ◇ UNVERIFIED |
| TTali-pak | Hopland | CA | — | ◇ UNVERIFIED |
| TLTallahatchie Lumber LLC | Charleston | MS | — | ◇ UNVERIFIED |
