| SE Maler Firma AS | Manufacturing | 2024 |
| Seaboard. Da | Wholesale & retail | 2007 |
| Sebastian Olsen AS | Construction | 2024 |
| Segu AS | Real estate | 2005 |
| Setho Fiskeriselskap AS | Agriculture & fishing | 2008 |
| SHS Holding AS | | 2023 |
| Silvertech Solutions AS | Administrative & support | 2021 |
| Skagerak Trål Og Notbøteri AS | Manufacturing | 1996 |
| Skilo AS | Education | 2025 |
| Skjærgårdsbygg AS | Construction | 2023 |
| Skogg Scandinavia AS | Wholesale & retail | 2021 |
| Skyllevika Vann Og Kloakk SA | Water & waste | 2020 |
| SMM Agentur AS | Wholesale & retail | 2025 |
| SMR AS | | 2020 |
| Sol & Maane Glow AS | Professional & scientific | 2024 |
| Solax Eiendomsutvikling AS | Real estate | 2013 |
| Solax Holding AS | Construction | 2005 |
| Solborg Holding AS | | 2021 |
| Solgunn Rott Invest AS | Financial services | 2017 |
| Solidum AS | Professional & scientific | 2020 |
| Solni Invest AS | Real estate | 2020 |
| Solsida Brygge AS | Real estate | 2005 |
| Sortino Capital AS | Professional & scientific | 2020 |
| Speravi AS | | 2021 |
| ST1 Kjøreskole AS | Education | 2014 |
| Steinar Holding AS | | 2023 |
| Steinbruna Invest AS | Professional & scientific | 2022 |
| Steinknekk AS | Wholesale & retail | 2016 |
| Stensig&Stensig AS | Professional & scientific | 2020 |
| Sverre Andås AS | Real estate | 2009 |
| Svåholm AS | Agriculture & fishing | 2006 |
| Syca AS | Information & communication | 2019 |
| Sycacreate AS | Information & communication | 2025 |
| Søgne Gull Og Gaver AS | Wholesale & retail | 2024 |
| Team El-Tech AS | Professional & scientific | 2012 |
| Teklas Invest AS | Professional & scientific | 2020 |
| Tema AS | Real estate | 2004 |
| TFG AS | | 2026 |
| Tgtrål AS | Agriculture & fishing | 2008 |
| Thi AS | Wholesale & retail | 2017 |
| Thitutt AS | Wholesale & retail | 2019 |
| Thomas Pytten Holding AS | | 2014 |
| Timeline-It AS | Information & communication | 2025 |
| Torgersen Bygg AS | Construction | 2024 |
| Torp Bygg AS | Construction | 2023 |
| Tostco AS | | 2023 |
| TPG Invest AS | | 2017 |
| Tr-Service AS | Construction | 2013 |
| Trailblazer Travel AS | Administrative & support | 2019 |
| Trehøvdingen AS | Real estate | 2008 |
| Triquetra AS | Professional & scientific | 2018 |
| Tuttiby AS | Education | 2026 |
| Union Agder AS | Real estate | 2001 |
| Uppit AS | Professional & scientific | 2022 |
| Vangaev Liane Da | | 2025 |
| Vestberg AS | Real estate | 1993 |
| Vesterøya Maskin AS | Construction | 2017 |
| Vivid-Tech AS | Information & communication | 2016 |
| VM Strand 25 AS | Real estate | 2023 |
| Vraget Invest AS | Manufacturing | 2005 |
| Waba Media Pro Limited Nuf | Information & communication | 2025 |
| Wiborg & Thomas Invest Da | Hospitality | 2006 |
| WRK Renovering AS | Construction | 2018 |
| Zoe Invest AS | Professional & scientific | 2016 |
| Øggaren Invest AS | | 2025 |
| Økr Innvest AS | | 2024 |
| Østerøya 41 AS | Real estate | 2007 |
| Øygruppen AS | Construction | 1996 |