| Nomad Builders LLC | CC-01 | 2023 | Active |
| Nomad Construction | CC-01 | 2023 | Active |
| Nordstrom Heating & Air | CC-01 | 2023 | Active |
| Norkri Corp | CC-01 | 1985 | Active |
| North Creek Contractors Inc | CC-01 | 2015 | Active |
| Northlake Concrete Prdcts Inc | CC-01 | 1976 | Active |
| Northwest Boring Co Inc | CC-01 | 1969 | Active |
| Northwest Mechanical | CC-01 | 2021 | Active |
| Northwest Partitions Inc | CC-01 | 1984 | Active |
| Northwest Professnl Bldrs Inc | CC-01 | 2011 | Active |
| Northwest Utilities Inc | CC-01 | 1978 | Active |
| Norton Corrosion LTD LLC | CC-01 | 2014 | Active |
| Nova Service LLC | CC-01 | 2023 | Active |
| Nwap Inc | CC-01 | 2022 | Active |
| Nwpmc Inc | CC-01 | 2018 | Active |
| NWWW LLC | CC-01 | 2023 | Active |
| O2pure Air Duct Cleaning LLC | CC-01 | 2004 | Active |
| Outlast Construction LLC | CC-01 | 2026 | Active |
| Pacific Cable Construction Inc | CC-01 | 2005 | Active |
| Pacific Granite & Marble Inc | CC-01 | 2003 | Active |
| Paradise Constr Serv LLC | CC-01 | 2007 | Active |
| Paredes Construction LLC | CC-01 | 2024 | Active |
| Parterre Inc | CC-01 | 2003 | Active |
| PDL Construction LLC | CC-01 | 2023 | Active |
| Peak Construction LLC | CC-01 | 2021 | Active |
| Pickleball Court LLC | CC-01 | 2024 | Active |
| Pieroni Industrial Eqpment Inc | CC-01 | 2009 | Active |
| Pluto Construction LLC | CC-01 | 2022 | Renew by Nov 14, 2026 |
| PNW Constrctn & Conslting LLC | CC-01 | 2014 | Active |
| PQT Construction | CC-01 | 2011 | Active |
| Precision Door Service | CC-01 | 2024 | Active |
| Premier Builders Inc | CC-01 | 1996 | Active |
| Premier Home Repairs Inc | CC-01 | 2006 | Active |
| Premier Mech And Electric LLC | CC-01 | 2008 | Active |
| Premium Sltns Exteriors LLC | CC-01 | 2018 | Active |
| PTRS LLC | CC-01 | 2021 | Active |
| Puroclean Of Redmond | CC-01 | 2017 | Active |
| Puroclean Professional Rstrtn | CC-01 | 2019 | Active |
| Quality Rstrtn NW Of Wdnvl LLC | CC-01 | 2026 | Active |
| Quality Value Construction Inc | CC-01 | 1998 | Active |
| R And K Construction LLC | CC-01 | 2008 | Active |
| R&J Hardscape & Maint LLC | CC-01 | 2026 | Active |
| Rain City Paving Inc | CC-01 | 2015 | Active |
| Rain City Pro Services Inc | CC-01 | 2024 | Renew by Dec 16, 2026 |
| Rainproof Contracting LLC | CC-01 | 2015 | Active |
| Rankin Contracting Services | CC-01 | 2005 | Active |
| Rarespace Design & Build LLC | CC-01 | 2026 | Active |
| Raven Property Services LLC | CC-01 | 2026 | Active |
| Redbell Handyman LLC | CC-01 | 2026 | Active |
| Reidel Roofing Inc | CC-01 | 2008 | Active |
| Renovations Depot LLC | CC-01 | 2005 | Active |
| Rescue Reuben LLC | CC-01 | 2026 | Active |
| Resound Energy LLC | CC-01 | 2009 | Active |
| Reynolds Landscape Company | CC-01 | 2026 | Active |
| RJ Masonry Inc | CC-01 | 1989 | Active |
| RJJ Holdings Company LLC | CC-01 | 2021 | Active |
| RKC Construction Inc | CC-01 | 2006 | Active |
| RNH Construction LLC | CC-01 | 2022 | Renew by Nov 4, 2026 |
| Robert Egge Construction Inc | CC-01 | 1985 | Active |
| Romex Services LLC | CC-01 | 2020 | Active |
| Roof Pro Systems LLC | CC-01 | 2019 | Active |
| Ryan General Contractors Inc | CC-01 | 2007 | Active |
| Rytech Of Seattle | CC-01 | 2021 | Active |
| Saltaire Construction LLC | CC-01 | 2017 | Active |
| Santanita General Contrng LLC | CC-01 | 2018 | Active |
| Savatree LLC | CC-01 | 2021 | Active |
| Saybrook Homes LLC | CC-01 | 2013 | Active |
| SC Structures LLC | CC-01 | 2008 | Active |
| Scrivanich Natural Stone | CC-01 | 2002 | Active |
| Seatown Remodeling LLC | CC-01 | 2026 | Active |
| Second Angle Solutions LLC | CC-01 | 2025 | Active |
| Service Communications Inc | CC-01 | 1989 | Active |
| Servicemaster By SRS | CC-01 | 2006 | Active |
| Servicemaster Of Seattle | CC-01 | 2006 | Active |
| Servpro Of Shoreline/Woodinvll | CC-01 | 2011 | Active |
| Shoreline Const Co | CC-01 | 1963 | Active |
| Side-Pro Inc | CC-01 | 2000 | Active |
| Sierra Construction Co Inc | CC-01 | 1986 | Active |
| Signature Landscape SVCS LLC | CC-01 | 2015 | Active |
| Sir Fix-A-Lot LLC | CC-01 | 2007 | Active |
| Soilfreeze Inc | CC-01 | 2010 | Active |
| Solid Energy Inc | CC-01 | 1999 | Active |
| Sound Community Builders | CC-01 | 2014 | Active |
| Sound Quality Construction LLC | CC-01 | 2004 | Active |
| Springer Plumbing | CC-01 | 2026 | Active |
| Squatch Roofing LLC | CC-01 | 2024 | Active |
| Stanley Roofing Co Inc | CC-01 | 1963 | Active |
| Stone Insulation Service | CC-01 | 2022 | Renew by Dec 15, 2026 |
| Stonewood Properties LLC | CC-01 | 2017 | Active |
| Stout Roofing LLC | CC-01 | 2011 | Active |
| Straight Arrow Constr Inc | CC-01 | 2015 | Active |
| Sun Country Construction LLC | CC-01 | 2022 | Active |
| Sun Fun Northwest Inc | CC-01 | 1988 | Active |
| Superior Drywall Company LLC | CC-01 | 2025 | Active |
| Superior Weatherization LLC | CC-01 | 2026 | Active |
| Supremax Construction LLC | CC-01 | 2018 | Active |
| Synergy Inc | CC-01 | 2019 | Active |
| Synergy Roof Services LLC | CC-01 | 2016 | Active |
| Synthetic Turf Northwest | CC-01 | 2015 | Active |
| Sys Construction Inc | CC-01 | 2023 | Active |