| Nirogruppen Invest AS | Real estate | 2017 |
| NKG E10 AS | Real estate | 2022 |
| NKG F5 AS | Real estate | 2022 |
| NKG F6 AS | Real estate | 2022 |
| NKG G10 AS | Real estate | 2022 |
| NKG G11 AS | Real estate | 2022 |
| NKG G12 AS | Real estate | 2022 |
| NKG G13 AS | Real estate | 2022 |
| Noma Invest AS | | 2020 |
| Nord Impact SC | Manufacturing | 2007 |
| Nordic Event Invest AS | Administrative & support | 2025 |
| Nordic Line AS | Wholesale & retail | 2024 |
| Nordstrøm Holding AS | | 2022 |
| Nordvest Bemanning AS | Administrative & support | 2017 |
| Norges El-Grossist AS | Wholesale & retail | 2017 |
| Norimpex AS | Wholesale & retail | 1985 |
| Norsk Metalloverflate AS | Wholesale & retail | 2014 |
| Norstrand Eiendomsrådgivning AS | Professional & scientific | 2015 |
| Nortoy AS | Wholesale & retail | 2013 |
| Norwegian Waste Agency AS | Water & waste | 2021 |
| Noso Hydraulics AS | Wholesale & retail | 2014 |
| Nostalgianatic AS | Wholesale & retail | 2020 |
| NPP AS | Manufacturing | 2024 |
| NS Group AS | Construction | 2024 |
| NS Infra AS | Construction | 2025 |
| NS Utleie AS | Administrative & support | 2025 |
| NT Holding AS | Professional & scientific | 2005 |
| NVB Holding AS | Financial services | 2017 |
| NVS Alarm AS | Construction | 2015 |
| Nyhammer Gruppen AS | | 2026 |
| Nytt Selskap AS | Health & social care | 2025 |
| NÓR Holding AS | | 2025 |
| O Solberg Thomsen Eftf Autorisert Installatør AS | Construction | 1992 |
| O. H. Simlenes AS | Administrative & support | 2018 |
| Odel & Eide Holding AS | | 2025 |
| Odin Gym AS | Arts & recreation | 2022 |
| Odin Nutrition Askøy AS | Wholesale & retail | 2022 |
| Oj-Holding AS | | 2021 |
| Ok Jensen Holding AS | | 2026 |
| Olima AS | | 2020 |
| Ome Solutions AS | Professional & scientific | 1997 |
| Pari Bil AS | Transport & logistics | 2012 |
| Partech AS | Wholesale & retail | 2016 |
| Pbo Engineering AS | Professional & scientific | 2021 |
| Pedersen & Grønbech AS | Real estate | 2013 |
| Pedora AS | | 2023 |
| Pinbar AS | Administrative & support | 1996 |
| Piraeus Holding AS | | 2026 |
| Pizzatjenester AS | Hospitality | 2025 |
| Pj-Jacobsen Holding AS | | 2021 |
| Portmakeren AS | Manufacturing | 2013 |
| Portmakeren Holding AS | Manufacturing | 2012 |
| Portmann AS | Construction | 2003 |
| Premium Hytter AS | Construction | 2011 |
| Premium Innredning AS | Construction | 2021 |
| Premium Utvikling AS | Real estate | 2021 |
| Priola AS | Real estate | 2006 |
| Prioritet Renhold AS | Administrative & support | 2024 |
| Pro Padel Askøy AS | Arts & recreation | 2023 |
| Proff Reklame AS | Professional & scientific | 2020 |
| Project Crew Management AS | Administrative & support | 2014 |
| Prosjektstyring Vest AS | Professional & scientific | 2006 |
| Protan Elmark Spolka Z Ograniczona Odpowiedzialnoscia Nuf | Wholesale & retail | 2026 |
| Puretap AS | Wholesale & retail | 2021 |
| Pylon Apps AS | Information & communication | 2026 |
| Pyxisat AS | Manufacturing | 2010 |
| Qconsult AS | Professional & scientific | 2024 |
| QTM AS | Wholesale & retail | 2013 |
| R. Solsvik Holding AS | | 2024 |
| R. Tvedt Invest AS | Manufacturing | 2005 |
| R.E.N. Multi AS | | 2016 |
| Radds AS | Professional & scientific | 2018 |
| Ramas Bygg AS | Construction | 2026 |
| Ravensburger Rådgivning AS | Professional & scientific | 2021 |
| Ravnanger Gruppen AS | Construction | 2017 |
| Ravnanger Hus AS | Construction | 2003 |
| Ravnangervegen 187 AS | Real estate | 2009 |
| Re Investment AS | | 2020 |
| Realcap Holding AS | | 2025 |
| Rede 365 AS | Real estate | 2025 |
| Redinha AS | | 2005 |
| Reigem Engineering AS | Professional & scientific | 2023 |
| Remy's Byggservice AS | Construction | 2014 |
| Resiliencia AS | Education | 2024 |
| Rhecon AS | Professional & scientific | 2022 |
| Rindadalsvegen 86 AS | Real estate | 2013 |
| Riwo AS | Construction | 2015 |
| Rn:Stn Invest AS | | 2025 |
| Ro-Invest AS | Wholesale & retail | 2022 |
| Robot Eiendom AS | Real estate | 2013 |
| Roled AS | Information & communication | 2026 |
| Rose Restaurant AS | Hospitality | 2014 |
| Roso Invest AS | Professional & scientific | 2005 |
| RS Fitness AS | Education | 2016 |
| RS Nutrition AS | Education | 2016 |
| Rubens AS | Financial services | 2017 |
| Rudi Eiendom AS | Real estate | 2021 |
| Rudi Invest AS | Construction | 2020 |
| Røed Holding AS | Construction | 2006 |
| Rørtech AS | Wholesale & retail | 2023 |