| SMSealy Mattress | South Gate | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SMSeaside Mulch INC | Galivants Ferry | SC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SFSelect Farms LTD Paint Booth | Spokane | WA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SHSelect Hardwoods | Millers Creek | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SMSharp Model | Bruce Township | MI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SWSimcoe Wood Products INC. | Cullman | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SBSims Bark Company INC | Brent | AL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SMSingleton Mouldings | Breckenridge | TX | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SMSkyjack Mfg | Glendale | AZ | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SSSoil Solutions CO. | Elkhart | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SDSole Design Cabinetry | Red Boiling Springs | TN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SSSol-pro/lilyblad Site | Tacoma | WA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SRSonoco Reels | Hartselle | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SWSpecialized Wood Products | Elkhart | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SPStem Products | Magazine | AL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SWStephan Wood Prod INC | Grayling | MI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SFStillwater Forest Products | Kalispell | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SLStimson Lumber Company, Hauser | Post Falls | ID | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SLSt. Louis Restoration | Saint Louis | MO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SSSunbelt Shavings LLC | Shuqualak | MS | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SCSuperior Coatings | Ligonier | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SKSuperior Kiln | Mellen | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SBSwanson Bark and Wood Products | Longview | WA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TCTaylor-ramsey Corporation | Big Island | VA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TVTed Verhoff Builders & Cabinetry, INC. | Fort Jennings | OH | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TCTelex Communications INC | Morrilton | AR | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TFThc Farms | Tacoma | WA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TKThe Kay Company, INC | Frankfort | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TWThe Wood Energy Group INC - Gibsland Facility | Gibsland | LA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TCThomson Crown Wood Products | Mocksville | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TCTiffany & CO | Denville | NJ | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TRTimber Ridge Lumber Company INC | Granite Falls | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TCTinker Creek Transfer Station | Roanoke | VA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TTTricon Timber INC | St Regis | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| UNUfp Nappanee, LLC Dba Quality Hardwood | Nappanee | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| UIUniek, INC. | Greenwood | MS | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| UFUS Forest Industries INC | South Fork | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VFValley Forest Wood Products LLC | Marcell | MN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VMVan Matre Lumber CO | Fontana | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VCVico Construction Corporation - Portable | Chesapeake | VA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VEVintage Editions, INC. | Taylorsville | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VSVisteon Systems LLC | Connersville | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VCVulcan Construction Materials LLC | Manteno | IL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WRWagner Rack INC | Clifton | NJ | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WSWard Shavings, LLC | Murfreesboro | AR | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WRWare Rite Distributors INC | East Bridgewater | MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WMWdw Management Company LLC | Jefferson City | TN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WPWeiss Prestaining INC | Laporte | IN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WEWestern Excelsior - Mancos | Mancos | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WCWestrock Cp, LLC | Newville | AL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
