| NCK Construction And Remodeling LLC | RGC | 2023 | Active |
| Neal Aronowitz Tile & Stone Inc | RGC | 1995 | Active |
| Nearby Property Services LLC | RGC | 2024 | Active |
| Neighborhood Gutters LLC | RGC | 2017 | Active |
| Neil Kelly Co Inc | CGC2, RGC + LBPR | 1972 | Active |
| Nelson Brothers Construction LLC | RGC | 2025 | Active |
| Nelson Design & Engineering LLC | RGC | 2009 | Active |
| Neptune Construction & Architecture LLC | RGC | 2025 | Active |
| Nesheim Family Remodeling LLC | RGC | 2025 | Active |
| Nest Design & Construction Inc | RGC + LBPR | 2013 | Active |
| Nest Quest Northwest LLC | RGC | 2024 | Renew by Nov 29, 2026 |
| Nest Tile LLC | RGC | 2026 | Active |
| New Day Construction LLC | RGC + LBPR | 2017 | Active |
| New Era Flooring LLC | RGC | 2023 | Active |
| New Era Painting LLC | RGC + LBPR | 2016 | Renew by Dec 13, 2026 |
| New Gen Construction LLC | RGC | 2023 | Active |
| New Horizons Exteriors And Interiors LLC | RGC + LBPR | 2024 | Active |
| New Impressions Construction LLC | RGC | 2020 | Active |
| New M Construction LLC | RGC + LBPR | 2026 | Active |
| New Narrative Construction LLC | RGC + LBPR | 2024 | Active |
| New Sunrise Construction LLC | RGC | 2020 | Renew by Dec 20, 2026 |
| New Way Construction & Landscape LLC | RGC | 2023 | Active |
| Newjee LLC | CGC2 | 2017 | Active |
| Newman Brothers LLC | RGC | 2026 | Active |
| Next Generation LLC | RGC | 2016 | Active |
| Nextgen Build LLC | RGC | 2026 | Active |
| Nexus Construction LLC | RGC | 2016 | Active |
| Nexus LLC | CGC1, RGC | 2025 | Active |
| Nicholas A Miller Construction LLC | RGC | 2021 | Active |
| Nicholas Income Properties LLC | CGC2 | 2018 | Active |
| Nicholas Properties LLC | RGC | 2026 | Active |
| Nickel Jack Home Services LLC | RGC | 2026 | Active |
| Nimbus Roofing And Sheet Metal LLC | RGC + CSC2 | 2020 | Active |
| NJM Construction LLC | RGC | 2024 | Renew by Dec 18, 2026 |
| NK Contracting LLC | RGC | 2023 | Active |
| NMP Delivery LLC | RGC | 2025 | Active |
| Noble Building Company LLC | RGC | 2022 | Active |
| Noble Fir Construction LLC | CGC2, RGC + LBPR | 2018 | Active |
| Noble Heating LLC | RGC | 2019 | Active |
| Nopo Aerial Construction LLC | RGC | 2025 | Active |
| Nordic Air Northwest LLC | CGC2, RGC | 2025 | Active |
| Nordlund Construction & Design LLC | RGC + LBPR | 2017 | Active |
| Norriswest LLC | RGC | 2022 | Active |
| North Forge Construction Inc | RGC | 2026 | Active |
| North Form Studio LLC | RGC | 2026 | Active |
| North Point General Construction LLC | RGC | 2026 | Active |
| North Portland Construction Co LLC | RGC | 2021 | Active |
| North Rim Partners Inc | CGC2 | 2008 | Active |
| North West Landscape Care Inc | RGC | 2013 | Active |
| Northeast Handyman LLC | RGC | 2023 | Active |
| Northpoint Ventures Inc | RGC | 2011 | Active |
| Northstar Flooring LLC | RGC | 2017 | Active |
| Northview Construction LLC | RGC | 2019 | Active |
| Northwest Colorworks Inc | RGC + LBPR | 2011 | Active |
| Northwest Deconstruction Services LLC | RGC + LBPR | 2016 | Active |
| Northwest Elite Hardwood Floors LLC | RGC | 2013 | Active |
| Northwest Facilities And Equipment Maintenance LLC | CGC2, RGC | 2010 | Active |
| Northwest Infrastructure LLC | CGC2 + LBPR | 1997 | Active |
| Northwest Point LLC | CGC2, RGC + LBPR | 2020 | Renew by Nov 9, 2026 |
| Northwest Pump & Equipment Co | CGC2 | 1990 | Active |
| Northwest Refresh LLC | RGC | 2026 | Active |
| Northwest School Equipment Inc | CGC2 | 1990 | Active |
| Northwest Sky Painting LLC | RGC | 2025 | Active |
| Northwest Trade Services LLC | RGC | 2025 | Active |
| Northwest Ventures Group Inc | RGC + LBPR | 2023 | Active |
| Norwest Contractors Inc | CGC1 | 1993 | Active |
| Nosweat LLC | RGC | 2021 | Active |
| Novis Development LLC | RGC | 2025 | Active |
| NP Carpentry LLC | RGC | 2018 | Active |
| NRC Environmental Services Inc | CGC1, RGC + LBPR | 1993 | Active |
| Nta Contracting Inc | CGC2 | 1992 | Active |
| Nueva Vida Construction LLC | RGC | 2022 | Renew by Nov 23, 2026 |
| Nunezsolutions Inc | RGC | 2026 | Active |
| NW A & U Services LLC | RGC | 2026 | Active |
| NW Cardinals GC LLC | RGC + LBPR | 2025 | Active |
| NW Custom Homes Inc | CGC2, RGC | 2018 | Active |
| NW Extreme Installers Inc | RGC + LBPR | 2013 | Active |
| NW Flooring Construction LLC | RGC | 2020 | Active |
| NW General Construction And Renovation LLC | RGC | 2016 | Active |
| NW Home Revive LLC | RGC | 2023 | Active |
| NW Line Of Style Design Corporation | RGC | 2017 | Active |
| NW Living LLC | RGC | 2006 | Active |
| NW Manufactured Home & Construction Services LLC | CGC2, RGC | 2023 | Active |
| NW Monarch Exteriors LLC | RGC + LBPR | 2018 | Active |
| NW Mounting LLC | RGC | 2025 | Active |
| NW Natural Water Services LLC | RGC | 2023 | Active |
| NW Painting & Maintenance Services LLC | RGC | 2018 | Active |
| NW Painting Services LLC | RGC | 2022 | Active |
| NW Precision Construction LLC | RGC | 2024 | Renew by Dec 24, 2026 |
| NW Quality Inc | RGC | 2006 | Active |
| NW Renovations LLC | RGC | 2024 | Active |
| NW Wallpaper Installers LLC | RGC | 2019 | Active |
| NW Zafra Construction LLC | RGC | 2020 | Renew by Dec 4, 2026 |
| Nwab Construction LLC | RGC | 2015 | Active |
| NWCR Inc | CGC1, RGC | 2024 | Active |
| Nwmaintenance LLC | RGC | 2025 | Active |
| NWR Construction Inc | RGC + LBPR | 2013 | Active |
| Nyc 1985 Inc | RGC | 2022 | Renew by Dec 20, 2026 |
| NZN Construction LLC | RGC + LBPR | 2022 | Active |
| O C Construction & Painting LLC | RGC | 2020 | Renew by Dec 14, 2026 |