| SBShutters By Angel | Lancaster | CA | — | ◇ UNVERIFIED |
| SSShutter Shop, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| SWSider's Woodcrafting LLC | Brewer | ME | — | ◇ 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 |
| SBSiller Bros INC | Anderson | CA | — | ◇ UNVERIFIED |
| SCSilva's Cabinet Shop | Newark | CA | — | ◇ UNVERIFIED |
| SWSimcoe Wood Products INC. | Cullman | AL | — | ◇ UNVERIFIED |
| SISimonds International, LLC | Ridgefield | WA | — | ◇ 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 |
| SLSkidger, LLC | Salem | UT | — | ◇ UNVERIFIED |
| SMSkyjack Mfg | Glendale | AZ | — | ◇ UNVERIFIED |
| SCSmart Craft Technologies, INC. | Reno | NV | — | ◇ UNVERIFIED |
| S3Smink 3 LLC | Dallas | TX | — | ◇ UNVERIFIED |
| SLSmith Level Company Inc.* | Excelsior Springs | MO | — | ◇ 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 |
| SFSmm Facilities, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| STSnap-on Tools CORP | Mount Carmel | IL | — | ◇ UNVERIFIED |
| SLSnider Lumber Products CO | Turlock | CA | — | ◇ UNVERIFIED |
| S2Snowball 2.0, LLC | Rathdrum | ID | — | ◇ 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 |
| SLSologrip LLC | Wexford | PA | — | ◇ UNVERIFIED |
| SSSol-pro/lilyblad Site | Tacoma | WA | — | ◇ UNVERIFIED |
| SUSomething Unique Designs | Littleton | CO | — | ◇ UNVERIFIED |
| SRSonoco Reels | Hartselle | AL | — | ◇ UNVERIFIED |
| SRSouthbridge Recycling & Disposal Park | Southbridge | MA | — | ◇ UNVERIFIED |
| SCSouth Coast Saw LLC. | Coos Bay | OR | — | ◇ 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 |
| SISouthwestern Ind., INC. | Rancho Dominguez | CA | — | ◇ 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 |
| 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 |
| SSSpline Specialist, INC. | Sterling Heights | MI | — | ◇ UNVERIFIED |
| STS&S Tools LLC | Sainte Genevieve | MO | — | ◇ UNVERIFIED |
| SSS& S Wood Products | Independence | WI | — | ◇ UNVERIFIED |
| SIStan's Industrial Manufacturing LLC | Lyndon Station | WI | — | ◇ UNVERIFIED |
| SBStanley Black & Decker | Riverview | FL | — | ◇ UNVERIFIED |
| SIStarlite Ind/lower Merion | Bryn Mawr | PA | — | ◇ 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 |
| SCSteven Cruser | Buda | TX | — | ◇ UNVERIFIED |
| SASteves and Sons Door Company | San Antonio | TX | — | ◇ UNVERIFIED |
| SCStewart Custom Wood Works, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| SMStewart Manufacturing Corporation | Moran | KS | — | ◇ UNVERIFIED |
| SPStewarts Point Woodworks LLC | Cazadero | CA | — | ◇ UNVERIFIED |
| SFStillwater Forest Products | Kalispell | MT | — | ◇ UNVERIFIED |
| SLStimson Lumber Company, Hauser | Post Falls | ID | — | ◇ UNVERIFIED |
| SWSTL Woodworking Inc. | Saint Louis | MO | — | ◇ UNVERIFIED |
| SWStockton Wood Shavings Company | French Camp | CA | — | ◇ UNVERIFIED |
| SWStock Woodwork | Laredo | TX | — | ◇ UNVERIFIED |
| SFStone Forest Industries, INC. | Happy Camp | CA | — | ◇ UNVERIFIED |
| SPStorage Pro Manufacturing LLC | Creola | AL | — | ◇ UNVERIFIED |
| SSStorage Systems, INC | Fresno | CA | — | ◇ UNVERIFIED |
| SIStratis Industries | Centuria | WI | — | ◇ UNVERIFIED |
| SLStridemark, LLC | Thomasville | NC | — | ◇ UNVERIFIED |
| SIStructural Industries, INC. | Bohemia | NY | — | ◇ UNVERIFIED |
| SIStructural Insulated Panels Texas | Kerrville | TX | — | ◇ UNVERIFIED |
| SPSturdi Products Company | Portland | OR | — | ◇ UNVERIFIED |
| SHSTW Holdings, LLC | Fleetwood | PA | — | ◇ UNVERIFIED |
| SMSulzer Mixpac USA | Haslett | MI | — | ◇ UNVERIFIED |
| SMSummit Manufacturing Systems, LLC | Bow | NH | — | ◇ UNVERIFIED |
| SSSunbelt Shavings LLC | Shuqualak | MS | — | ◇ UNVERIFIED |
| SCSunspot Creative Services | Bellingham | WA | — | ◇ UNVERIFIED |
| SVSun Valley Closet Company, INC | Hailey | ID | — | ◇ UNVERIFIED |
| SESuperior Edge, LLC | Nappanee | IN | — | ◇ UNVERIFIED |
| SESuperior Edge, LLC | Nappanee | IN | — | ◇ UNVERIFIED |
