| SESouthern Energy Homes, INC. | Birmingham | AL | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| STSouthern Timber Extracts Manufacturing Co., INC. | Prichard | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SPSouthland Pallet Company | Eutaw | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SSStange Sawmill | Prattville | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SJStella Jones Corporation | Brierfield | AL | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| SLSterling Lumber & Supply Company | Goodwater | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SPStorage Pro Manufacturing LLC | Creola | AL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SLStrickland Lumber Co, INC. | Eufaula | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SPSummer Pallet | Dothan | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SWSuperior Wood Components, INC. | Troy | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TSTallent Sawmill | Rainbow City | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TTTaylor-made Transportation | Maplesville | AL | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| TPThe Pallet Shop, LLC | Brookwood | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TLThomasville Lumber Company, INC. | Thomasville | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TMTimberland Minerals Entps., INC. | Coaling | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
 Tuff Shed, INC. | Bessemer | AL | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| TRTwo Rivers Lumber - Alexander City | Kellyton | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| UFUniversal Forest Products Eastern Division, INC. | Millry | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Robertsdale | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Eufaula | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Thomasville | AL | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Gilbertown | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Brewton | AL | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | — | AL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Atmore | AL | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Montgomery | AL | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Selma | AL | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Summerdale | AL | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| WFWest Fraser Mills | Maplesville | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WHWest Huntsville Quarry | Madison | AL | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| WCWhaley Construction Co., INC. | Troy | AL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WLWilson Lumber Co., INC. | Madison | AL | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| WWWilson's Woodyard, LLC | Opelika | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WHWinston Hardwood Lumber, INC. | Double Springs | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
