| Novahorizon AS | Wholesale & retail | 2025 |
| Nox Pallesenter AS | Wholesale & retail | 2020 |
| Nrfd AS | Professional & scientific | 2022 |
| Odelsgutt AS | | 2024 |
| Olderskog & Tømte Ans | Wholesale & retail | 1991 |
| Omholt Junior Elektro AS | Construction | 1994 |
| Opg Anlegg AS | Construction | 2007 |
| Oppsiden AS | Financial services | 2005 |
| Oslo Nord Eiendomsforvaltning AS | | 2016 |
| Oslo Og Akershus Transport AS | Transport & logistics | 2014 |
| Oterstien AS | Professional & scientific | 2022 |
| Pa Investerer AS | | 2023 |
| Pallekongen AS | Wholesale & retail | 2026 |
| Pawel Og Gregor AS | Construction | 2022 |
| Perlen Bær Og Blomster Ans | Wholesale & retail | 2007 |
| Polar Taxi AS | Transport & logistics | 2025 |
| Pompel Holding AS | | 2026 |
| Poploop AS | | 2005 |
| Pro Quick Advisors AS | Professional & scientific | 2022 |
| Pura Cacao AS | Wholesale & retail | 2024 |
| Re-Ko Import Ans | Wholesale & retail | 1995 |
| Reach Holding AS | | 2023 |
| Redline AS | Wholesale & retail | 2025 |
| Rekkverk I Stål AS | Manufacturing | 2013 |
| Repsjø Holding AS | | 2024 |
| Retid Invest AS | | 2024 |
| Revisorhuset TD AS | | 2026 |
| Romerike Prosjekt Og Eiendomsdrift AS | Administrative & support | 2023 |
| Rosso Luce AS | Wholesale & retail | 2025 |
| Sagene Bygg AS | Construction | 2023 |
| Salong Ritz AS | Other services | 2022 |
| Savage Beauty AS | Other services | 2025 |
| SDG Holding AS | | 2022 |
| Selvik Bentzon AS | Real estate | 2017 |
| Serranix AS | Professional & scientific | 2014 |
| Simensrud Holding AS | | 2021 |
| Sjansen Holding AS | | 2014 |
| SK Utemiljø AS | Construction | 2012 |
| Skab Norge AS | Wholesale & retail | 1994 |
| Snekkermester Per Bjerke AS | Manufacturing | 2006 |
| Solhaugen Invest AS | Construction | 2019 |
| Solungen AS | Other services | 2006 |
| Spark Motorsport AS | Professional & scientific | 2015 |
| SS Bygg AS | Construction | 2024 |
| Staga Holding AS | Wholesale & retail | 2009 |
| Standal AS | Agriculture & fishing | 1997 |
| Standardnavn AS | Information & communication | 2026 |
| Statiga AS | Professional & scientific | 2021 |
| Stensborg Vannverk SA | Water & waste | 1970 |
| Stålkonstruksjon AS | Manufacturing | 2007 |
| T&V Nails AS | Other services | 2023 |
| Takstmann Knudsen AS | Professional & scientific | 2026 |
| Taug-Holding AS | | 2020 |
| Te-Tak AS | Construction | 1995 |
| Teaching for Life AS | Education | 2019 |
| The Consistency Project AS | Education | 2026 |
| Thomas Tollefsen AS | Transport & logistics | 2017 |
| Tinkar AS | Professional & scientific | 2024 |
| TN Maskin Og Transport AS | Transport & logistics | 1994 |
| Tommy S. Elnæs AS | Construction | 2008 |
| Toverud Invest AS | Financial services | 2006 |
| Tree Top Holding AS | | 2021 |
| Treider Holding AS | | 2026 |
| Trippeli AS | Professional & scientific | 2025 |
| Twessel Holding AS | | 2023 |
| Tysland Eiendom AS | Real estate | 2008 |
| Tysland Invest AS | Real estate | 2006 |
| Tårnstua AS | Hospitality | 2011 |
| Tøffe Tøflus AS | Professional & scientific | 2021 |
| Tøien Gård AS | Real estate | 2018 |
| Tømrer Skrede & Sønner AS | Construction | 2006 |
| Tøyenåsen Barnehage SA | Education | 1991 |
| Varingskollen Alpinsenter AS | Arts & recreation | 1991 |
| Varingskollen Barnehage SA | Education | 2001 |
| Vestbygdvegen 110 AS | Real estate | 2021 |
| Veterinær Signe Lund Kleppe AS | Professional & scientific | 2007 |
| Vinger AS | Real estate | 2006 |
| Vinger Bolig AS | Real estate | 2020 |
| Vinger Dokka AS | Real estate | 2015 |
| Vinger Reinsvoll AS | Real estate | 2015 |
| Vinger Skarnes AS | Real estate | 1931 |
| Vipickup AS | Transport & logistics | 2026 |
| Vorkinn CG AS | | 2024 |
| VST Invest AS | | 2024 |
| Wilskog Bolig Og Eiendomsutvikling AS | Real estate | 2019 |
| Wilskog Bygg AS | Construction | 2006 |
| Woxen Invest AS | Professional & scientific | 2007 |
| Wålengen Holding AS | | 2024 |
| Ylab Invest AS | | 2026 |
| Åneby Utvikling Nord AS | Construction | 2022 |
| Åneby Utvikling Vest AS | Real estate | 2008 |
| Ånebyveien 2 AS | Real estate | 2016 |
| Øversveen Bygg AS | Construction | 2016 |