| Melsom-Hansen Holding AS | | 2022 |
| Mer Ut Av Livet AS | Wholesale & retail | 2026 |
| Miga Holding AS | Real estate | 2008 |
| Moghal Trading AS | Wholesale & retail | 2006 |
| Mpire AS | Professional & scientific | 2013 |
| Nama AS | Education | 2022 |
| Nbds-Signalen Da | Information & communication | 2007 |
| Nesodden Bakeri Eiendom Da. | Real estate | 2021 |
| Nesodden Bil Og Karosseri AS | Other services | 2024 |
| Nesodden Bil Og Karosseri Newco AS | Other services | 2026 |
| Nesodden Bygg AS | Construction | 2012 |
| Nesodden Torghandel AS | Administrative & support | 1996 |
| Nesodden Veidrift AS | Construction | 2014 |
| Nordinary AS | Professional & scientific | 2025 |
| Nordre Midtveien Vannlag SA | Water & waste | 2024 |
| Ops Holding AS | Wholesale & retail | 2005 |
| Patrator AS | Construction | 2019 |
| Paz Residence AS | Real estate | 2023 |
| Pazkar Nor Da | Wholesale & retail | 2008 |
| Prima Music AS | Wholesale & retail | 1993 |
| Prodykk Oslo AS | Wholesale & retail | 1997 |
| Quickstep Foley AS | Arts & recreation | 2018 |
| Robin Hund AS | Financial services | 2018 |
| Robinrobot AS | Wholesale & retail | 2022 |
| Robinrobot Trading AS | | 2022 |
| Rolg Invest AS | | 2020 |
| Røa Bridgesenter AS | Education | 2024 |
| Rørleggermester Tage V Jensen AS | Construction | 1983 |
| Salamanderskogen Barnehage SA | Education | 1995 |
| Sandnes Eiendom AS | Real estate | 1998 |
| Sandness Eiendom AS | Real estate | 2024 |
| Sandvik Bygg AS | Construction | 2022 |
| Sandvik Eiendom AS | Real estate | 2022 |
| Seimas AS | Real estate | 2014 |
| Skanseveien, Seterveien Vann Og Avløpslag SA | Water & waste | 2026 |
| Slemdal Sushi & Grill AS | Hospitality | 2019 |
| Sofro AS | Real estate | 2011 |
| Sosly AS | Information & communication | 2026 |
| Standard Mur Invest | | 2023 |
| Standard Mur Nuf | Construction | 2023 |
| Starseeds AS | Arts & recreation | 2022 |
| Strømme Foto AS | Wholesale & retail | 1991 |
| Støp Holding AS | Real estate | 2012 |
| Svein M. Tyreng Anlegg AS | | 2018 |
| Svein M. Tyreng Bergsprenging AS | Construction | 2013 |
| Sykkeltransport AS | Transport & logistics | 2019 |
| Systematisk HMS AS | Information & communication | 2021 |
| Tappen Bryggeri AS | Manufacturing | 2021 |
| Thanu Hovind AS | Wholesale & retail | 2022 |
| Tny Invest AS | Professional & scientific | 2014 |
| Topline AS | Information & communication | 2024 |
| Topptrans AS | Transport & logistics | 2019 |
| Torp Marinepark Holding AS | Real estate | 2003 |
| Tpo Rørleggerbedrift AS | Construction | 2016 |
| Tømrer Busk AS | Construction | 2020 |
| Tømrer Lars Pedersen AS | Construction | 2012 |
| Tømrerfirma Søgnen AS | Construction | 2019 |
| Urianstad Eiendom AS | Manufacturing | 1963 |
| Urianstad Rep Og Karosseri AS | Manufacturing | 2010 |
| Vanja Holding AS | | 2026 |
| Veilaget Skolestikken SA | Real estate | 2021 |
| Viaboks AS | Real estate | 2025 |
| Winston Wolfe Holding AS | Manufacturing | 2021 |
| Words+ Gruppen Ans | Information & communication | 1985 |
| Yunitto AS | Professional & scientific | 2013 |
| Øståsen Eiendom AS | | 1992 |