| Remontér AS | Health & social care | 2017 |
| Remontér Attføring AS | Health & social care | 1990 |
| Rett Ban Holding AS | | 2026 |
| Rikken AS | Real estate | 2021 |
| Rolf Eide Jensen Sanitær AS | Construction | 2012 |
| RTM Invest AS | Professional & scientific | 2017 |
| Rugdebo AS | Professional & scientific | 2019 |
| Runiq AS | | 2026 |
| Ruud Vann- Og Avløpslag SA | Water & waste | 2015 |
| Røed Invest Holding AS | Administrative & support | 2022 |
| Røer Gård Ans | Agriculture & fishing | 2006 |
| Røer Holding AS | Real estate | 2014 |
| S. Reksten Invest AS | | 2026 |
| Samari AS | Professional & scientific | 2020 |
| Sandåsen AS | Real estate | 1997 |
| Santest Holding AS | | 2024 |
| Scandimedicare AS | Administrative & support | 2018 |
| Scenario 1 AS | Information & communication | 1999 |
| Sententia AS | Professional & scientific | 2019 |
| Serafin AS | | 2020 |
| Sers.Digital AS | Information & communication | 2016 |
| Sfph AS | Health & social care | 2019 |
| Shikoba AS | Wholesale & retail | 2020 |
| Shorn AS | | 2023 |
| Siap Norway AS | Professional & scientific | 1996 |
| Silje Brænde Holding AS | | 2021 |
| Silver Quill Management Norway AS | Professional & scientific | 2022 |
| Sirion AS | Financial services | 2005 |
| Sirris & Hanssen Sosionomtjenester Da | Administrative & support | 2006 |
| Sisu Aktia AS | | 2024 |
| Smith-Meyer Holding AS | | 2026 |
| Sofienlund Eiendom AS | Real estate | 1987 |
| Solfro AS | | 2024 |
| Sowin-Power AS | Wholesale & retail | 2022 |
| Språkhuset Da | Professional & scientific | 1988 |
| Sr-Produksjon AS | Agriculture & fishing | 2025 |
| Staff Investments AS | Wholesale & retail | 2003 |
| Stall Von Waibel AS | Education | 2021 |
| Stort Selskap AS | Information & communication | 2021 |
| Structures AS | Wholesale & retail | 2015 |
| Strømeid Holding AS | | 2022 |
| Stubdal AS | Information & communication | 2026 |
| Stubdal Holding AS | | 2023 |
| Studio S Arkitektur AS | Professional & scientific | 2019 |
| Sunhelen AS | Professional & scientific | 2024 |
| Switchon AS | Manufacturing | 2000 |
| Sørby Vann Og Avløp SA | | 2026 |
| T.H. Wilberg AS | Real estate | 1988 |
| Takeone AS | Information & communication | 2020 |
| Tangen Fysioterapi AS | Health & social care | 2025 |
| Tangen Trelast AS | Wholesale & retail | 1990 |
| Tangenveien 296 AS | Real estate | 2020 |
| Tanika Håndtverk & Import Ans | Wholesale & retail | 1997 |
| Taste AS | Hospitality | 2020 |
| TB Teater Da | Arts & recreation | 2022 |
| Ten Thousand Images AS | Information & communication | 2014 |
| Teoit AS | Information & communication | 2023 |
| Thinc Consulting AS | Information & communication | 1998 |
| Thomhen Invest AS | Professional & scientific | 2025 |
| Tid Eiendom AS | Real estate | 2017 |
| Titti AS | Arts & recreation | 2009 |
| TLD Events AS | Administrative & support | 2024 |
| TM Motor Norge AS | Wholesale & retail | 2010 |
| Tobee AS | Professional & scientific | 2014 |
| Tor Inge Vevatne Invest AS | | 2019 |
| Truls Svendsen Holding AS | Professional & scientific | 2009 |
| Tyribu Holding AS | | 2023 |
| Ugleveien Syd Vann- Og Avløpslag SA | Water & waste | 2023 |
| Umbani AS | Real estate | 2021 |
| Ursvik AS | Real estate | 2002 |
| Valen-Utvik AS | Professional & scientific | 2013 |
| Valhall Avlastning Da | Health & social care | 2000 |
| Vespertine FX AS | Information & communication | 2022 |
| Viva Napoli Nesodden AS | Hospitality | 2022 |
| Vokslys AS | Manufacturing | 2023 |
| Warholmer AS | Professional & scientific | 2023 |
| Westali AS | Professional & scientific | 2005 |
| Wilca AS | Real estate | 2007 |
| Wilvin Holding AS | Real estate | 2016 |
| Winona AS | | 2025 |
| Witre Design AS | Arts & recreation | 2022 |
| Woke Invest AS | Education | 2020 |
| X3 Marketing AS | Professional & scientific | 2022 |
| Xib Group AS | Information & communication | 2009 |
| Zero Emission Studio AS | Professional & scientific | 2021 |
| Zetcom Informatikdienstleistungs AG Nuf | Information & communication | 2024 |
| Zeuhl Holding AS | | 2021 |
| Øgrøstad Holding AS | | 2026 |