| Nordisk Handelshus Eiendom AS | Real estate | 2008 |
| Norsk Entreprenørservice AS | Wholesale & retail | 2012 |
| Norsk Tilhengersenter AS | Wholesale & retail | 2020 |
| Norske Bjørnetjenester Ans | Administrative & support | 2000 |
| Oliver Holding AS | | 2018 |
| Opsetmoen Amador Data Consulting AS | Information & communication | 2024 |
| Optima Helseklinikk AS | Health & social care | 2026 |
| Oskat AS | Wholesale & retail | 2007 |
| Oslo Horse Service AS | Wholesale & retail | 2013 |
| Oslo Rørmontasje AS | Construction | 2019 |
| P G Løwenborg AS | Wholesale & retail | 1984 |
| Panera AS | Real estate | 2020 |
| Petter Oppegaard AS | Wholesale & retail | 1964 |
| Print Supplies AS | Wholesale & retail | 2008 |
| Proffeo AS | Construction | 2022 |
| Profinor AS | Wholesale & retail | 1981 |
| Proper Bygg AS | Construction | 2025 |
| Prowork AS | Construction | 2014 |
| Quaestus II AS | Real estate | 2010 |
| R.C Invest AS | Construction | 2025 |
| Radioactive Eiendom AS | | 2024 |
| Raiko Sport AS | Wholesale & retail | 2021 |
| Redet AS | | 2018 |
| Regiec Bygg AS | Construction | 2013 |
| Ren Kompetanse Da | Administrative & support | 2011 |
| Ringeriksveien 203 AS | Real estate | 1985 |
| Ringeriksveien 230 AS | Real estate | 2018 |
| Ringeriksveien 243 AS | Real estate | 2013 |
| Ringeriksveien 256 B AS | Real estate | 2023 |
| Ringeriksveien Holding AS | Manufacturing | 2018 |
| Rudssletta 90 Holding AS | | 2023 |
| RV Hansen Bil & MC AS | Other services | 2002 |
| RVN 159 AS | Real estate | 2026 |
| Ryttersport AS | Wholesale & retail | 1989 |
| SB Takst AS | Real estate | 2023 |
| Scanlift AS | Wholesale & retail | 2007 |
| Scantec Norge AS | Construction | 2011 |
| Settevik Asfalt AS | Construction | 2001 |
| Settevik Eiendom AS | Construction | 2012 |
| Silverfox Maritime AS | Transport & logistics | 2020 |
| Sips AS | Professional & scientific | 2015 |
| Skape Bygg Nuf | Construction | 2021 |
| Skillboost AS | Wholesale & retail | 2025 |
| Skui Legekontor AS | Health & social care | 2024 |
| Skui Legekontor Da | Health & social care | 2015 |
| Skui Rør Og Sveis AS | Construction | 2026 |
| Slemm Skui AS | Real estate | 1999 |
| SM Service & Management AS | | 2019 |
| Smoothie Xchange AS | Hospitality | 2004 |
| Snekker Andreas AS | Construction | 2015 |
| So & Knutson Eiendom AS | Real estate | 2021 |
| Stian Broeng Holding AS | Real estate | 2016 |
| Stian Strand Holding AS | Real estate | 2021 |
| Stolt Elektro AS | Construction | 2017 |
| Stor-Oslo Anlegg & Transport AS | Transport & logistics | 2015 |
| Storfespesialist AS | Professional & scientific | 2018 |
| Strand Invest Bærum AS | Real estate | 1973 |
| Superfruits AS | Wholesale & retail | 2008 |
| Svaberg Investment AS | | 2025 |
| T. Knutsen Invest AS | Real estate | 2008 |
| Tab Transportsentralen Asker Og Bærum AS | Transport & logistics | 2005 |
| Tennisdrift AS | Administrative & support | 2025 |
| Thomas Fredriksen AS | Transport & logistics | 2008 |
| TJB AS | | 2022 |
| Tmsb Møbelsnekkeri AS | Manufacturing | 2022 |
| Tomas Brygge Rep AS | Manufacturing | 2022 |
| Tomas Wood AS | Construction | 2024 |
| Towercrane AS | Administrative & support | 2025 |
| Towo Holding AS | | 2017 |
| Trefellerne AS | Agriculture & fishing | 2013 |
| Turbo-Service AS | Other services | 1988 |
| Unlimited Performance Da | Professional & scientific | 1998 |
| Verktøyhandel AS | Wholesale & retail | 2014 |
| Vestre Frogner AS | Professional & scientific | 2015 |
| VKR Invest AS | | 2026 |
| Way Holding AS | Professional & scientific | 2019 |
| Weblager AS | Administrative & support | 2024 |
| Winter Savings AS | | 2022 |
| Woxman Eiendom AS | Real estate | 2005 |
| Xiphias Invest Nuf | Financial services | 2008 |
| Xplosafe AS | Wholesale & retail | 2018 |
| Xtiania AS | Information & communication | 2005 |
| Yazdan Bygg Entreprenør AS | Construction | 2025 |
| Yazdan Holding AS | Construction | 2025 |
| Østlandsjord AS | Manufacturing | 2019 |