| Skiveien 123 AS | Wholesale & retail | 2005 |
| Skovly Supplies AS | Real estate | 2002 |
| Sky Rekruttering AS | Administrative & support | 2019 |
| Sky World Invest AS | Administrative & support | 2019 |
| Smie AS | Information & communication | 2026 |
| SMS Consulting AS | Wholesale & retail | 2019 |
| Snapper City AS | Information & communication | 2023 |
| Sola Energi AS | | 2023 |
| Solheim IT Holding AS | | 2023 |
| Solhiorth Holding AS | Professional & scientific | 2026 |
| Solutio AS | Professional & scientific | 2012 |
| Sounds Good AS | Arts & recreation | 2021 |
| Speed Express AS | Transport & logistics | 2024 |
| SQZ Holding AS | | 2025 |
| STB AS | | 2005 |
| Stefan Ivansson Concern AS | Professional & scientific | 2007 |
| Steinvender AS | | 2024 |
| Stjerneskudd Invest AS | | 2021 |
| Stoma AS | | 2020 |
| Street Burger AS | Hospitality | 2024 |
| Svein Løkenflaen Rørleggerservice AS | Construction | 2005 |
| Svi AS | Agriculture & fishing | 2015 |
| SWR Invest AS | Information & communication | 2021 |
| Sycamo AS | Administrative & support | 2003 |
| Syed Invest AS | | 2022 |
| Systempartner International Norge AS | Information & communication | 2025 |
| Söder Invest AS | | 2021 |
| Sørdal Og Michaelsen Ans | Professional & scientific | 2000 |
| T&V Bygg AS | Construction | 2014 |
| Tann Sentralen AS | Health & social care | 2024 |
| Tannlege Stine Nerland AS | Health & social care | 2026 |
| Tannlege Tom Sipos AS | Health & social care | 2016 |
| Tante Milla AS | Professional & scientific | 2024 |
| Taskit AS | Construction | 2025 |
| Te Invest AS | Real estate | 2019 |
| Telma Holding AS | | 2022 |
| Tento AS | Professional & scientific | 2020 |
| Terje Haugen Consulting AS | Professional & scientific | 2005 |
| TH Investments AS | | 2019 |
| The Diner Norge AS | Hospitality | 2017 |
| Thi Holding AS | Financial services | 2018 |
| Thoralf Nilssen AS | Construction | 2022 |
| Thorsen Associates AS | Professional & scientific | 2023 |
| Tienilo AS | | 2024 |
| Tiggo AS | Construction | 2025 |
| Tjernæs Drift AS | Wholesale & retail | 2009 |
| TLD Holding AS | Wholesale & retail | 2015 |
| Tm-Data AS | Information & communication | 2007 |
| Tommy Gjerstad Holding AS | | 2025 |
| Top Plan Eiendom AS | Construction | 2004 |
| Top Plan Utvikling AS | Real estate | 2015 |
| Tostin AS | Financial services | 2005 |
| TP Prosjekt AS | Professional & scientific | 2026 |
| Trygg Lekeplass AS | Professional & scientific | 2024 |
| Trøffel AS | | 2025 |
| TTL Invest Holding AS | Professional & scientific | 2025 |
| Tydahl AS | Real estate | 2005 |
| Tydahl Consult AS | Professional & scientific | 2026 |
| Tydeligvis AS | Information & communication | 2016 |
| Tømrer Og Landskap Tjeneste AS | Construction | 2025 |
| U1 Holding AS | | 2024 |
| Ultra Performance AS | Health & social care | 2018 |
| Unechim AS | Information & communication | 2010 |
| Uni Nordic AS | Wholesale & retail | 2022 |
| Unicut Frisør Nuf | Other services | 2007 |
| Unipro Texstyle AS | Wholesale & retail | 2018 |
| Universi AS | Wholesale & retail | 2002 |
| Vabama Invest AS | Professional & scientific | 2013 |
| Vaiernett AS | Wholesale & retail | 2021 |
| Vaktia Sikkerhet & Transport AS | Administrative & support | 2019 |
| Vatn AS | Professional & scientific | 2024 |
| Verdinettverk AS | Professional & scientific | 1994 |
| Vesle Bergsjø AS | Professional & scientific | 2010 |
| Vigdis Aus AS | Professional & scientific | 2022 |
| Viggo Paulsen Holding AS | | 2022 |
| Vika Skog AS | Real estate | 2011 |
| Viken Murer Entreprenør AS | Construction | 2020 |
| Visual Web AS | Information & communication | 2023 |
| W.A Invest AS | | 2023 |
| Wahln Invest AS | | 2025 |
| Wibe Skilt Og Profil AS | Wholesale & retail | 2007 |
| William Gamborg AS | Information & communication | 2025 |
| William Og Nadiia Invest AS | Professional & scientific | 2019 |
| Willsfred Maritime Services AS | Professional & scientific | 2017 |
| Willy K Klette Ans | Manufacturing | 1983 |
| Wimel AS | Wholesale & retail | 2019 |
| WMF AS | Professional & scientific | 2019 |
| X Hårstudio AS | Other services | 2016 |
| Ytre Hallangspollen Vann- Og Avløpslag SA | Water & waste | 2008 |
| ZDK Labs AS | Information & communication | 2024 |
| Øgaard Holding AS | Education | 2017 |