| SSSimplot Soilbuilders Burley | Rupert | ID | — | ◇ UNVERIFIED |
| SLSimpson Lumber Company, LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| STSimpson Timber CO Commencement Bay Opr | Tacoma | WA | — | ◇ UNVERIFIED |
| STSimpson Timber CO St Yd Sawmill 5 | Shelton | WA | — | ◇ UNVERIFIED |
| SBSims Bark CO INC | Tuscumbia | AL | — | ◇ UNVERIFIED |
| SLSiwek Lumber and Millwork INC | Jordan | MN | — | ◇ UNVERIFIED |
| SLSkidmore Lumber Co., LLC | Freeburg | MO | — | ◇ UNVERIFIED |
| SKS K Lumber | Cochranton | PA | — | ◇ UNVERIFIED |
| SLSkookum Lumber Plant | Shelton | WA | — | ◇ UNVERIFIED |
| SPSkyline Post and Pole Limited Liability Company | Louisa | VA | — | ◇ UNVERIFIED |
| SCSlade's Custom Sawmill | Providence | NC | — | ◇ UNVERIFIED |
| SRSlice Recovery INC | Coquille | OR | — | ◇ UNVERIFIED |
| SBSlover Bros Trucking INC | Tulare | CA | — | ◇ 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 |
| 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 |
| SCSoiland CO INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SSSolt's Sawmill | Mertztown | PA | — | ◇ UNVERIFIED |
| SPSomerset Pellet Fuel | Science Hill | KY | — | ◇ UNVERIFIED |
| SWSomerset Wood Products in | Burnside | KY | — | ◇ UNVERIFIED |
| SASousa AG Compost, Inc. | Stratford | CA | — | ◇ UNVERIFIED |
| SFSoutheastern Farmers Cooperative | Cleveland | TN | — | ◇ UNVERIFIED |
| SFSouthern Forest Products | Appalachia | VA | — | ◇ UNVERIFIED |
| SFSouthern Forest Products LLC | Hiltons | VA | — | ◇ UNVERIFIED |
| SFSouthern Fs INC | Harrisburg | IL | — | ◇ UNVERIFIED |
| SPSouthern Pine and Timber Company, INC. | Lithia | FL | — | ◇ UNVERIFIED |
| SPSouthern Pyle Lumber LLC | New Canton | VA | — | ◇ UNVERIFIED |
| SWSouthern Wood Chips | Jasper | AL | — | ◇ UNVERIFIED |
| SWSouthern Wood Works of Gray, LLC | Gray | GA | — | ◇ UNVERIFIED |
| SFSouth Florida Shavings CO. | Lake Worth | FL | — | ◇ UNVERIFIED |
| SKSouth Kern Industrial Center LLC | Taft | CA | — | ◇ UNVERIFIED |
| SWSouthland Wood Recycling, L.l.c. | Valdosta | GA | — | ◇ UNVERIFIED |
| SSSouthport Sawmill | North Bend | OR | — | ◇ UNVERIFIED |
| SSSouthport Sawmill | Coos Bay | OR | — | ◇ UNVERIFIED |
| SBSpann Brothers Lumber CO INC | White Bluff | TN | — | ◇ UNVERIFIED |
| SBSpecialty Beams, LLC | Heron | MT | — | ◇ UNVERIFIED |
| SWSpecialty Wood Products INC | Monticello (wayne) | KY | — | ◇ UNVERIFIED |
| SPSpec Processing Group, INC | Kennett Square | PA | — | ◇ UNVERIFIED |
| SBSpectrum Brands | Los Angeles | CA | — | ◇ UNVERIFIED |
| SBSpectrum Brands, INC. | Winter Haven | FL | — | ◇ UNVERIFIED |
| STSpencer Trucking | Blossvale | NY | — | ◇ UNVERIFIED |
| SWSpigelmyer Wood Products, Incorporated | Lewistown | PA | — | ◇ UNVERIFIED |
| SGSpra Green, INC. | Portales | NM | — | ◇ UNVERIFIED |
