| Muha Frisør AS | Other services | 2025 |
| Murmester Nilsen AS | Construction | 2013 |
| Mysen Investering AS | | 2026 |
| N&R Holding AS | | 2026 |
| Navarsete Rykkinn AS | Hospitality | 2021 |
| Neuropower AS | Professional & scientific | 2026 |
| Nevorth AS | Information & communication | 2025 |
| Nfds Investment AS | | 2014 |
| Njoy Holding AS | | 2026 |
| Noas Ark AS | Wholesale & retail | 2013 |
| Nordic Utilities AS | Real estate | 2005 |
| Nordis AS | Wholesale & retail | 2016 |
| Norfelt AS | Professional & scientific | 2026 |
| Norfiks AS | Information & communication | 2021 |
| Norkids AS | Wholesale & retail | 2015 |
| Normetrics AS | Professional & scientific | 2017 |
| Norsa Eiendom AS | Real estate | 2022 |
| Norsksnekker.No AS | Construction | 2011 |
| Norwegian Nuclear Technology AS | Professional & scientific | 2025 |
| Nullum-Periculum AS | | 2019 |
| Nustad Investment AS | Education | 2016 |
| Ny Utvikling AS | | 2025 |
| Obb Invest AS | | 2025 |
| Ocean Invent AS | Professional & scientific | 2004 |
| Olav Elvemo AS | Education | 2012 |
| Oppussing Eksperten AS | Construction | 2023 |
| Panvulk AS | Wholesale & retail | 1991 |
| Parkett Og Gulv AS | Construction | 2020 |
| Pavisus AS | Wholesale & retail | 2018 |
| Peak Digital AS | Information & communication | 2025 |
| Penelope's Sushi AS | Hospitality | 2021 |
| Performance Marketing AS | Professional & scientific | 2023 |
| Petcom AS | Professional & scientific | 2010 |
| Pinewood AS | Real estate | 2005 |
| Pipeconnector AS | Professional & scientific | 2014 |
| Pit Stop Eiendom AS | | 2019 |
| Pizza Mile Avd Rykkinn AS | Hospitality | 2017 |
| Pro Admin AS | Professional & scientific | 2004 |
| Pro Vino AS | Wholesale & retail | 1990 |
| Profitus Nuf | Financial services | 2008 |
| Prolan AS | Construction | 2008 |
| Prosessio AS | Professional & scientific | 2021 |
| Prosupply AS | Professional & scientific | 2005 |
| PSV Consulting AS | Professional & scientific | 2013 |
| Quest Subsea AS | Transport & logistics | 2007 |
| Ramydent AS | Health & social care | 2018 |
| Renova Pro AS | Construction | 2026 |
| Ressurs Kapital AS | | 2026 |
| Ridderne AS | Education | 2006 |
| Robban Tennis AS | Education | 2023 |
| Rosenfonn Invest AS | Real estate | 2017 |
| Rosenfonn Investering AS | Real estate | 2002 |
| Runit AS | Information & communication | 2025 |
| RVN 219 AS | Real estate | 2021 |
| RW Graveservice AS | Construction | 2022 |
| Rykkinn Fysioterapi Og Trening AS | Health & social care | 2014 |
| Rykkinn Klokker Og Smykker AS | Wholesale & retail | 2014 |
| Rykkinn Specsavers AS | Wholesale & retail | 1986 |
| Rykkinn Tannklinikk AS | Health & social care | 2018 |
| Ræstadhornet AS | Wholesale & retail | 1987 |
| Sakko Solutions AS | Real estate | 2024 |
| Sandvika Eritreisk Restaurant Da | Hospitality | 2025 |
| SBG Consulting AS | Professional & scientific | 2005 |
| SBG Eiendom Ålevann AS | Administrative & support | 2006 |
| SBG Eiendom Økri AS | Real estate | 2006 |
| Scanesia AS | Wholesale & retail | 1991 |
| Sefer Holding AS | Professional & scientific | 2023 |
| Serviplus AS | Administrative & support | 2025 |
| Shanie Holding AS | | 2015 |
| Simplesense AS | Professional & scientific | 2008 |
| Sivilingeniør Torstein Lajord AS | Professional & scientific | 1998 |
| Skarfjord AS | Administrative & support | 2023 |
| Skikroa Da | Hospitality | 2000 |
| Skinlo Eiendom AS | Real estate | 2015 |
| Skorsteinsfolket AS | Construction | 1994 |
| Smart Repair Holding AS | Other services | 2015 |
| Solaterra AS | Professional & scientific | 2008 |
| Solcelle Leverandøren AS | Construction | 2023 |
| Solemsli Osteopati AS | Health & social care | 2024 |
| Solid Forsäkringsaktiebolag Nuf | Financial services | 2005 |
| Spardama Invest AS | Financial services | 2018 |
| Staahl Arkitektur AS | Professional & scientific | 2026 |
| Staahl Holding AS | | 2019 |
| Stemya AS | Financial services | 2016 |
| Stenic AS | Professional & scientific | 1997 |
| Stigeli AS | | 2005 |
| Stoknes Next AS | Professional & scientific | 2019 |
| Strx AS | Information & communication | 2025 |
| Stubbefreserne.No Da | Administrative & support | 2010 |
| Studio M AS | Other services | 1993 |
| Styrkeprøven AS | Arts & recreation | 2013 |
| Sundsli Eiendom AS | Real estate | 2000 |
| Svans AS | Manufacturing | 2024 |
| Søndre Berger Gård AS | Professional & scientific | 2004 |
| Taki AS | Real estate | 2020 |
| Tannlegeverket AS | Health & social care | 2020 |
| Tanntrollet AS | Health & social care | 2021 |
| TCB AS | | 2025 |
| Team Hårsenter AS | Other services | 1998 |
| Techne Kapital AS | Construction | 2017 |