| Opera Venture AS | Real estate | 2021 |
| Opp Og Ned Transport AS | Transport & logistics | 2002 |
| Oscars Pizzeria AS | Hospitality | 2024 |
| Parcus AS | | 2026 |
| Perceptor AS | Professional & scientific | 2023 |
| Pre Loft AS | Construction | 1989 |
| Prestisje Eiendom AS | Real estate | 2016 |
| R2J2 Holding AS | | 2023 |
| Radex Bygg AS | Construction | 2024 |
| Romerike Skogsdrift AS | Agriculture & fishing | 2025 |
| Romtech AS | Professional & scientific | 2015 |
| Royal Exim AS | Wholesale & retail | 2019 |
| Royal Group AS | Wholesale & retail | 2019 |
| Røyskattveien Panorama AS | Real estate | 2017 |
| Safari Ventures AS | | 2026 |
| Schiller Solutions AS | Wholesale & retail | 2021 |
| Skedsmo Frakt AS | Transport & logistics | 2020 |
| St-Transport & Montering AS | Transport & logistics | 2020 |
| Stigen AS | Real estate | 2013 |
| Stokstad Konsult & Media AS | Professional & scientific | 2024 |
| Storsveen Maskin AS | Construction | 2012 |
| T.T Invest AS | | 2019 |
| Takvindueksperten AS | Construction | 2018 |
| Team R Eiendomsservice AS | Administrative & support | 2021 |
| Teamfrakt AS | Transport & logistics | 2018 |
| Timber Bygg AS | Construction | 2021 |
| Timber Tre AS | Wholesale & retail | 2021 |
| TMT Norge AS | Administrative & support | 2022 |
| Tobo AS | Real estate | 2024 |
| Torgeir Fysio AS | Health & social care | 2018 |
| Transline AS | Transport & logistics | 2013 |
| Trugstad Gård AS | Hospitality | 2007 |
| TT Global Investment Limited Nuf | | 2024 |
| TT Global Norway Limited Nuf | Transport & logistics | 2024 |
| TT Takst AS | Real estate | 2023 |
| TTB AS | Transport & logistics | 2019 |
| Tyl Holding AS | Administrative & support | 2022 |
| Tømmermester E. Sørli AS | Construction | 1998 |
| Ullevålsveien 113 AS | Real estate | 2024 |
| Vad Plus AS | Professional & scientific | 1995 |
| Vaske Jentene AS | Administrative & support | 2014 |
| Vasshølet AS | Real estate | 2018 |
| Verdipartner Audit & Consulting AS | Professional & scientific | 2026 |
| Viken Boligentreprenør AS | Construction | 2021 |
| Vitale Norge AS | Transport & logistics | 2013 |
| Voss Media House AS | Information & communication | 2017 |
| We Family Trust Nuf | Real estate | 2023 |
| Wulff Service & Montasje Limited Nuf | Construction | 2025 |
| X.Prosjekt AS | Professional & scientific | 2025 |
| Xinit AS | Information & communication | 2023 |