| Santiagos Painting LLC | RGC | 2025 | Active |
| Santiam Home Solutions LLC | RGC | 2023 | Active |
| Santiam Mountain Investment LLC | RGC | 2011 | Active |
| Santiam NW Holdings LLC | CGC2, RGC | 2024 | Active |
| Santiam Valley Construction LLC | CGC2, RGC | 2021 | Active |
| Sas Countertops LLC | RGC | 2021 | Active |
| Sawood Carpentry & Construction LLC | RGC | 2026 | Active |
| SB A Landscaping LLC | RGC | 2024 | Active |
| Scenic Construction LLC | CGC2, RGC | 2017 | Active |
| Schafler Painting LLC | RGC + LBPR | 2024 | Renew by Dec 22, 2026 |
| Schuch Construction LLC | RGC + LBPR | 2018 | Active |
| Schutt Construction LLC | RGC | 2020 | Active |
| Schwab Residential Construction LLC | RGC | 2020 | Active |
| Scott Martin Construction LLC | CGC2, RGC | 2007 | Active |
| Second Act Contracting LLC | RGC | 2025 | Active |
| Securetronics Inc | CGC2 + RSC | 2009 | Active |
| Security Systems Solutions LLC | CGC2, RGC | 2009 | Active |
| Sellers Construction LLC | RGC | 2016 | Active |
| Servicemaster Of Salem Inc | CGC1, RGC + LBPR | 1987 | Active |
| Servin & Co Construction LLC | RGC | 2023 | Active |
| Servin Construction Co | RGC | 2006 | Renew by Nov 15, 2026 |
| Sharks Roofing LLC | RGC | 2024 | Active |
| Sharpcor Inc | CGC2, RGC | 1994 | Active |
| Shaylinn Construction LLC | RGC | 2011 | Active |
| Sielo Roofing LLC | RGC | 2019 | Active |
| Sierra Point Renovations LLC | RGC | 2025 | Active |
| Sig Construction LLC | RGC | 2018 | Renew by Dec 3, 2026 |
| Sightline Construction LLC | RGC | 2022 | Active |
| Silver Stone & Cabinets Inc | RGC | 2014 | Active |
| Silverline Construction LLC | RGC | 2017 | Active |
| Sinay Maintenance Services LLC | RGC | 2024 | Active |
| Sisters Cabinet Finish LLC | RGC | 2016 | Renew by Dec 14, 2026 |
| SKJ Quality Construction LLC | RGC | 2023 | Active |
| Skyhill Painting Inc | RGC | 2016 | Active |
| Skyline Builders LLC | CGC2, RGC | 2021 | Active |
| Skys The Limit Construction LLC | RGC | 2026 | Active |
| Slate & Slate Construction Inc | CGC2, RGC | 1992 | Active |
| Sleek Home Repairs LLC | RGC | 2018 | Renew by Nov 6, 2026 |
| SLP Drywall LLC | RGC | 2023 | Active |
| Smart Build Solutions LLC | RGC | 2026 | Active |
| Smart Home M & R LLC | RGC | 2017 | Active |
| Smith Contracting Group LLC | CGC2, RGC | 2022 | Active |
| Smith Rock Interiors LLC | RGC | 2022 | Active |
| Solid Ground Hardscape LLC | RGC | 2026 | Active |
| Sonpue Tree Service LLC | RGC | 2026 | Active |
| Sound Construction LLC | RGC | 2026 | Active |
| South Roofing LLC | RGC | 2019 | Active |
| Sparrow Gutters LLC | RGC | 2026 | Active |
| Spectrum Plumbing LLC | RGC | 2025 | Active |
| Splice Girls Inc | RGC | 2024 | Active |
| Spring Green Yards LLC | RGC | 2024 | Active |
| Srrenovation LLC | RGC | 2025 | Active |
| SS Berg Corporation | RGC | 2015 | Active |
| SSJ Interiors LLC | CGC2, RGC | 2021 | Active |
| Standard Utility Contractors Inc | CGC1 | 1990 | Active |
| Stanko Construction Corp | RGC | 2006 | Active |
| Stapleton Solutions LLC | RGC | 2024 | Active |
| State 33 Construction & Renovation LLC | RGC | 2017 | Active |
| Steadfast Construction LLC | RGC | 2024 | Active |
| Steelcore Construction LLC | RGC | 2025 | Active |
| Steele Home Handyman And Cleaning LLC | RGC | 2021 | Active |
| Stellar NW Construction Inc | CGC2, RGC | 2017 | Active |
| Stephanie Fry Inc | RGC | 1997 | Active |
| Stettler Supply Company LLC | CGC2 + RSC | 2025 | Active |
| Steve Bennett Construction LLC | RGC | 2007 | Active |
| Steve Larson LLC | RGC + LBPR | 2019 | Active |
| Steves Home Renovations LLC | RGC | 2023 | Active |
| Stoenner Construction LLC | RGC | 2024 | Active |
| Stone & Granite Pros LLC | RGC | 2021 | Active |
| Stoneridge Projects LLC | RGC | 2025 | Active |
| Storm Roofing LLC | CGC2, RGC | 2023 | Active |
| STR Premium Home LLC | RGC | 2026 | Active |
| Straight Flush Inc | CGC2, RGC | 1986 | Active |
| Straight Line Roofing LLC | RGC | 2015 | Active |
| Straightline Siding & Construction LLC | RGC | 2024 | Active |
| Strunk Family Construction LLC | RGC + LBPR | 2015 | Active |
| Summer Lake Construction LLC | RGC | 2018 | Active |
| Summit Construction & Management LLC | RGC | 2021 | Active |
| Summit Installations LLC | RGC | 2007 | Active |
| Sunco Construction Company Inc | RGC + LBPR | 2012 | Active |
| Sunset Stucco & Exteriors LLC | CGC1 | 2010 | Active |
| Superior Excavation Inc | CGC2, RGC | 2014 | Active |
| Superior Finish Construction LLC | RGC | 2023 | Active |
| Superior Home Remodeling LLC | RGC | 2019 | Active |
| Superior Low Voltage LLC | RGC + CSC2 | 2002 | Active |
| Superstar Painters LLC | RGC | 2022 | Active |
| Supreme Projects LLC | CGC2, RGC | 2021 | Active |
| Surfaces NW LLC | RGC | 2011 | Active |
| Svap Construction LLC | RGC | 2008 | Active |
| Swell Construction LLC | RGC | 2022 | Active |
| Swift Exteriors LLC | RGC | 2024 | Renew by Nov 9, 2026 |
| Swift Painting Company LLC | RGC | 2026 | Active |
| T & A Concrete LLC | RGC | 2025 | Active |
| T & A Painting LLC | RGC + LBPR | 2023 | Active |
| T Wheeler Homes LLC | CGC2, RGC | 2017 | Active |
| Talmage Construction Inc | RGC | 1994 | Active |
| Taran Construction LLC | RGC | 2025 | Active |
| TCM Construction LLC | RGC | 2023 | Active |
| TD Electric Inc | CGC2 | 2009 | Active |
| Tegridy Construction LLC | RGC | 2022 | Renew by Dec 16, 2026 |