| R Group GC LLC | CC-01 | 2017 | Active |
| R I K Resdntl/Comrcl Const LLC | CC-01 | 2026 | Active |
| R J Third Generation LLC | CC-01 | 2026 | Active |
| R L Clearing & Excavating Inc | CC-01 | 1991 | Active |
| R S N Siding Inc | CC-01 | 2006 | Active |
| R W Scott Construction Co | CC-01 | 1978 | Active |
| Rachel's Construction LLC | CC-01 | 2021 | Active |
| Rae Construction NW LLC | CC-01 | 2022 | Active |
| Rain Pros | CC-01 | 2025 | Active |
| Rainier Fencing & Decking | CC-01 | 2008 | Active |
| Rainstate Earthworks | CC-01 | 2018 | Renew by Dec 27, 2026 |
| Rapid Rescue Restoration LLC | CC-01 | 2024 | Active |
| Rasceo Builders | CC-01 | 2025 | Active |
| Rayos Construction LLC | CC-01 | 2021 | Active |
| RBNC LLC | CC-01 | 2023 | Active |
| RDH Enterprises LLC | CC-01 | 2016 | Active |
| RDS General Contractor LLC | CC-01 | 2014 | Active |
| Re-Nova Homes LLC | CC-01 | 2021 | Active |
| Re-Nu Remodeling LLC | CC-01 | 2025 | Active |
| Ready Energy Solutions LLC | CC-01 | 2023 | Active |
| Refyne Window Cleaning LLC | CC-01 | 2026 | Active |
| Regeta NW Inc | CC-01 | 2017 | Active |
| Reimagine Renovations LLC | CC-01 | 2025 | Active |
| Remarkable Concept Corp | CC-01 | 2022 | Active |
| Remodeling & Const Co LLC | CC-01 | 2026 | Active |
| Renovize Home Solutions LLC | CC-01 | 2024 | Active |
| Renuvision LLC | CC-01 | 2024 | Active |
| Restoration Medix LLC | CC-01 | 2026 | Active |
| Restorx Of Washington | CC-01 | 2009 | Active |
| Revive Tile LLC | CC-01 | 2022 | Renew by Nov 7, 2026 |
| RGK Construction LLC | CC-01 | 2026 | Active |
| Rhino Linings Of Auburn | CC-01 | 2010 | Active |
| Richard Vaughn LLC | CC-01 | 2025 | Active |
| Rickard Const & Design Corp | CC-01 | 2014 | Active |
| Ridgeline Contractors NW LLC | CC-01 | 2022 | Active |
| Riedmann Enterprises LLC | CC-01 | 2010 | Active |
| Rigor Solutions LLC | CC-01 | 2025 | Active |
| Rite Professional Services LLC | CC-01 | 2021 | Active |
| RK Pro Construction LLC | CC-01 | 2024 | Renew by Nov 20, 2026 |
| RL Flooring Inc | CC-01 | 2013 | Active |
| RLP Construction LLC | CC-01 | 2021 | Active |
| RMG Elite GNRL CNTR LLC | CC-01 | 2024 | Active |
| Rockstar Floors LLC | CC-01 | 2022 | Active |
| Rodarte Construction Inc | CC-01 | 1978 | Active |
| Rogan Homes LLC | CC-01 | 2016 | Active |
| Roma General Contractor LLC | CC-01 | 2020 | Active |
| Roof Rescue Team LLC | CC-01 | 2014 | Active |
| Roofpros NW LLC | CC-01 | 2019 | Active |
| Roost Finish Carpentry LLC | CC-01 | 2017 | Active |
| Royal & Sons Construction LLC | CC-01 | 2014 | Active |
| Royal 1 Construction LLC | CC-01 | 2007 | Active |
| RSC Construction LLC | CC-01 | 2022 | Active |
| Rubik Remodeling LLC | CC-01 | 2024 | Active |
| Russ-Floors LLC | CC-01 | 2023 | Active |
| Ryk Construction LLC | CC-01 | 2021 | Active |
| S R Painting LLC | CC-01 | 2021 | Active |
| S&K Nova Construction LLC | CC-01 | 2024 | Renew by Nov 4, 2026 |
| S&M Reliable LLC | CC-01 | 2016 | Active |
| Samko Construction LLC | CC-01 | 2024 | Active |
| Samyen Remodeling LLC | CC-01 | 2024 | Active |
| Santa Cruz Construction LLC | CC-01 | 2026 | Active |
| Santos Remodeling & Constr LLC | CC-01 | 2024 | Active |
| Scorpions Construction LLC | CC-01 | 2026 | Active |
| Scott On The Spot | CC-01 | 2025 | Active |
| Scotty's General Const Inc | CC-01 | 1986 | Active |
| Scream Eagle Const LLC | CC-01 | 2023 | Active |
| Sculpted Interiors LLC | CC-01 | 2025 | Active |
| Seattle Home Renovations LLC | CC-01 | 2025 | Active |
| Seaview Remodeling | CC-01 | 2017 | Active |
| Sergio Rodriguez LLC | CC-01 | 2024 | Active |
| Service For You Inc | CC-01 | 2013 | Active |
| SG Custom Cabinetry | CC-01 | 2024 | Renew by Nov 13, 2026 |
| SH Pro Construction LLC | CC-01 | 2023 | Active |
| SH Seasons Construction Inc | CC-01 | 2018 | Active |
| Shadow Roofing LLC | CC-01 | 2024 | Active |
| Shalom # 1 LLC | CC-01 | 2025 | Active |
| Shanco Restoration Srvcs Inc | CC-01 | 2012 | Active |
| Shergill Home Remodeling LLC | CC-01 | 2023 | Active |
| Sido Excavation LLC | CC-01 | 2024 | Renew by Dec 16, 2026 |
| Silverline LLC | CC-01 | 2023 | Active |
| Simply Installations LLC | CC-01 | 2024 | Active |
| Skaar Construction Inc | CC-01 | 1982 | Active |
| Skookum Hauling LLC | CC-01 | 2023 | Active |
| Sky High Tree Removal Inc | CC-01 | 2016 | Renew by Dec 9, 2026 |
| Sky Mountain Contractors LLC | CC-01 | 2012 | Active |
| Skyway Exterior Services LLC | CC-01 | 2024 | Renew by Dec 16, 2026 |
| Skyway JJ Roofing Services LLC | CC-01 | 2026 | Active |
| Smart Solution Const LLC | CC-01 | 2021 | Active |
| Sobchuk Constuction LLC | CC-01 | 2020 | Active |
| Sokol LLC | CC-01 | 2024 | Active |
| Sokolik Construction LLC | CC-01 | 2023 | Active |
| Solid Build LLC | CC-01 | 2025 | Active |
| Sound Detail & Interiors Inc | CC-01 | 2014 | Active |
| Sound Enterprises LLC | CC-01 | 2016 | Active |
| Sound Refinishers LLC | CC-01 | 2015 | Active |
| South Seattle Renovations LLC | CC-01 | 2025 | Active |
| Sov Construction LLC | CC-01 | 2019 | Active |
| SP Tile LLC | CC-01 | 2009 | Active |
| SPR Services LLC | CC-01 | 2021 | Active |
| Spring Landscape | CC-01 | 2018 | Active |