| STSekisui Ta Industries, LLC | Brea | CA | — | ◇ UNVERIFIED |
| SFSelect Farms LTD Paint Booth | Spokane | WA | — | ◇ UNVERIFIED |
| SHSelect Hardwoods | Millers Creek | NC | — | ◇ UNVERIFIED |
| SCSelective Coatings & Inks INC | Farmingdale | NJ | — | ◇ UNVERIFIED |
| SMSelect Millwork | Plainwell | MI | — | ◇ UNVERIFIED |
| SLSell Lumber Corporation | Redding | CA | — | ◇ UNVERIFIED |
| SCSequoia Custom Cabinetry INC | Sanger | CA | — | ◇ UNVERIFIED |
| SFSequoia Forest Products | Arcata | CA | — | ◇ UNVERIFIED |
| SPService Products INC | Chicago | IL | — | ◇ UNVERIFIED |
| SIServmax, INC. | Wilmington | NC | — | ◇ UNVERIFIED |
| SMSeymour Manufacturing Company Incorporated | Seymour | IN | — | ◇ UNVERIFIED |
| SGS & G Packaging LLC | Plainfield | IL | — | ◇ UNVERIFIED |
| STShade Tree Woodcraft | Harlingen | TX | — | ◇ UNVERIFIED |
| SPShaffer Products, LLC | Greencastle | PA | — | ◇ UNVERIFIED |
| SPSharp Packaging Systems, LLC. | Sussex | WI | — | ◇ UNVERIFIED |
| SFShasta Forest Products INC | Yreka | CA | — | ◇ UNVERIFIED |
| SPShaver Properties, INC. | Vero Beach | FL | — | ◇ UNVERIFIED |
| SIShaw Industries Group Incorporated | Aiken | SC | — | ◇ UNVERIFIED |
| STShaw's Tree Service | Jacksonville | FL | — | ◇ UNVERIFIED |
| SWShaw Woodworking, INC. | Cotuit | MA | — | ◇ UNVERIFIED |
| SPShippers Products | Sheridan | AR | — | ◇ UNVERIFIED |
| SCShivers Custom Woodwork, LLC | Katy | TX | — | ◇ UNVERIFIED |
| SBShuler Brothers Chipping CO. | Opp | AL | — | ◇ UNVERIFIED |
| STShurtape Technologies Incorporated | Stony Point | NC | — | ◇ UNVERIFIED |
| STShurtape Technologies LLC Pd&i Facility | Hickory | NC | — | ◇ UNVERIFIED |
| STShurtape Technologies, LLC - Stony Point Plant | Newton | NC | — | ◇ UNVERIFIED |
| SBShutters By Angel | Lancaster | CA | — | ◇ UNVERIFIED |
| SSShutter Shop, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| SWSider's Woodcrafting LLC | Brewer | ME | — | ◇ UNVERIFIED |
| SCSierra Coating Technologies | De Pere | WI | — | ◇ UNVERIFIED |
| SLSierra Log Homes | Chico | CA | — | ◇ UNVERIFIED |
| SPSierra Pacific Ind | Susanville | CA | — | ◇ UNVERIFIED |
| SPSierra Pacific Ind-chinese Camp Division | Chinese Camp | CA | — | ◇ UNVERIFIED |
 Sierra Pacific Industries | Susanville | CA | — | ◇ UNVERIFIED |
| Sierra Pacific Industries | Jamestown | CA | — | ◇ UNVERIFIED |
| Sierra Pacific Industries | Camino | CA | — | ◇ UNVERIFIED |
| Sierra Pacific Industries - Martell | Martell | CA | — | ◇ UNVERIFIED |
| SASierrapine - Adel Div | Adel | GA | — | ◇ UNVERIFIED |
| SLSierrapine LTD - Rocklin | Rocklin | CA | — | ◇ UNVERIFIED |
| SBSiller Bros INC | Anderson | CA | — | ◇ UNVERIFIED |
| SOSilsbee Osb Mill | Silsbee | TX | — | ◇ UNVERIFIED |
| SCSilva's Cabinet Shop | Newark | CA | — | ◇ UNVERIFIED |
| SWSimcoe Wood Products INC. | Cullman | AL | — | ◇ UNVERIFIED |
| SISimkins Ind. INC. | Catonsville | MD | — | ◇ UNVERIFIED |
| SPSimple Pack Manufacturing&Packaging LLC | Holyoke | MA | — | ◇ UNVERIFIED |
| SBSims Bark Company INC | Brent | AL | — | ◇ UNVERIFIED |
| SBSims Bark of Georgia LLC | Crothersville | IN | — | ◇ UNVERIFIED |
| SFSindelar Fine Woodworking, Inc. | Granger | IN | — | ◇ UNVERIFIED |
| SRSingleton Reels Inc. | Rootstown | OH | — | ◇ UNVERIFIED |
| SMSkyjack Mfg | Glendale | AZ | — | ◇ UNVERIFIED |
| SCSmart Craft Technologies, INC. | Reno | NV | — | ◇ UNVERIFIED |
| SPSmart Packaging Company | Anaheim | CA | — | ◇ UNVERIFIED |
| S3Smink 3 LLC | Dallas | TX | — | ◇ UNVERIFIED |
| SMSmith Manufacturing | Benton Harbor | MI | — | ◇ UNVERIFIED |
| SSSmith Steps, INC. | Live Oak | FL | — | ◇ UNVERIFIED |
| STSmith Textile Apron | Gastonia | NC | — | ◇ UNVERIFIED |
| SASmk Associates INC. | Astoria | NY | — | ◇ UNVERIFIED |
| SLSnider Lumber Products CO | Turlock | CA | — | ◇ UNVERIFIED |
| SSSoil Sollutions Company | Shipshewana | IN | — | ◇ UNVERIFIED |
| SSSoil Solutions CO. | Elkhart | IN | — | ◇ UNVERIFIED |
| SDSole Design Cabinetry | Red Boiling Springs | TN | — | ◇ UNVERIFIED |
| SISoliman Investments III LLC | Columbus | OH | — | ◇ UNVERIFIED |
| SSSol-pro/lilyblad Site | Tacoma | WA | — | ◇ UNVERIFIED |
| SUSolventum US LLC - Eagan | Eagan | MN | — | ◇ UNVERIFIED |
| SUSomething Unique Designs | Littleton | CO | — | ◇ UNVERIFIED |
 Sonoco Products Company | Nashville | TN | — | ◇ UNVERIFIED |
| SRSonoco Reels | Hartselle | AL | — | ◇ UNVERIFIED |
| SRSouthbridge Recycling & Disposal Park | Southbridge | MA | — | ◇ UNVERIFIED |
| STSouthcoast Technical Products | New Bedford | MA | — | ◇ UNVERIFIED |
| SHSoutheastern Hardwoods, Inc. | Swannanoa | NC | — | ◇ UNVERIFIED |
| SISouthern Indiana Sawmill LLC | Greenville | IN | — | ◇ UNVERIFIED |
| SMSouthern Moulding LLC | Kennesaw | GA | — | ◇ UNVERIFIED |
| SNSouthern New Hampshire Fire Wood, LLC | Hudson | NH | — | ◇ UNVERIFIED |
| STSouthern Timber Products LLC | Ruther Glen | VA | — | ◇ UNVERIFIED |
| SWSouthern Wood Suppliers, INC. | Oglethorpe | GA | — | ◇ UNVERIFIED |
| SRSouthwest Renewable Brown Street Mill | Snowflake | AZ | — | ◇ UNVERIFIED |
| SMSpace Manufacturers Corporation | Geneva | NY | — | ◇ UNVERIFIED |
| SWSpecialized Wood Products | Elkhart | IN | — | ◇ UNVERIFIED |
| SISpecialty, INC. | Homedale | ID | — | ◇ UNVERIFIED |
| SLSpecialty Lumber Company ** Inactive ** | Wilsons Mills | NC | — | ◇ UNVERIFIED |
| STSpecialty Tapes | Racine | WI | — | ◇ UNVERIFIED |
| SWSpecialty Wood Products | Lodi | CA | — | ◇ UNVERIFIED |
| SCSpectrum Custom Design, INC | Desert Hot Springs | CA | — | ◇ UNVERIFIED |
| SESpectrum Energy Georgia, LLC | Adel | GA | — | ◇ UNVERIFIED |
| SLSpencer LLC Monroe | Monroe | WA | — | ◇ UNVERIFIED |
| SCSpencer's Custom Wood LLC | Elgin | TX | — | ◇ UNVERIFIED |
| SOSpirit of the Woods, Inc | Jackman | ME | — | ◇ UNVERIFIED |
| SSS& S Wood Products | Independence | WI | — | ◇ UNVERIFIED |
| SCStadia CO CORP | Lakewood | CO | — | ◇ UNVERIFIED |
| SIStan's Industrial Manufacturing LLC | Lyndon Station | WI | — | ◇ UNVERIFIED |
| SPStar Packaging CORP | College Park | GA | — | ◇ UNVERIFIED |
| STStarwood Trim INC | Frisco | TX | — | ◇ UNVERIFIED |
| SLStashwood LLC | San Tan Valley | AZ | — | ◇ UNVERIFIED |
| SAStavola Asphalt CO INC | Old Bridge Twp | NJ | — | ◇ UNVERIFIED |
| SKSteigerwald's Kitchen & Bath, INC. | Grove City | PA | — | ◇ UNVERIFIED |
| SCStella-jones Corporation | Durant | MS | — | ◇ UNVERIFIED |
| SCStella-jones Corporation Bellingham | Bellingham | WA | — | ◇ UNVERIFIED |
| SPStem Products | Magazine | AL | — | ◇ UNVERIFIED |
| SWStephan Wood Prod INC | Grayling | MI | — | ◇ UNVERIFIED |
 Sterling Site Access Solutions | Lufkin | TX | — | ◇ UNVERIFIED |
