| Sandslibakken Huseierlag SA | Real estate | 1996 |
| Sandslimarka 35 AS | Real estate | 1997 |
| Sandslimarka 61-63 AS | Real estate | 1980 |
| Sandslimarka Legesenter AS | Health & social care | 2025 |
| Sandslitann Eiendom AS | Real estate | 2018 |
| Sandvenhagen AS | Real estate | 2016 |
| Sanhed AS | | 2023 |
| Sathini Eiendom AS | Real estate | 2021 |
| Scand Engineering Group Norway AS | Professional & scientific | 2014 |
| Sea Soul AS | Agriculture & fishing | 2013 |
| Sea Soul Development & Production AS | Professional & scientific | 2023 |
| Sea Tracker AS | Information & communication | 2020 |
| Sinito AS | Real estate | 2008 |
| Skikkelig AS | | 2014 |
| SM Fire AS | Professional & scientific | 2025 |
| Smart Elektronikk AS | Construction | 2020 |
| Smart Teknologi & Elektro AS | Construction | 2017 |
| Softronics AS | Information & communication | 2001 |
| Solbakken Huseierlag SA | Households | 1996 |
| Sotra Link Construction JV Ans | Construction | 2022 |
| Spagaten Holding AS | | 2026 |
| Spanor Helse Nuf | Wholesale & retail | 2023 |
| Sportsfactory AS | Professional & scientific | 2006 |
| SRC Eiendom AS | Real estate | 2026 |
| SRC Holding AS | Wholesale & retail | 2023 |
| Standup Live AS | Professional & scientific | 2023 |
| Stars Innovation and Development AS | | 2023 |
| Stgu Holding AS | | 2020 |
| Storkiosk 4304 Aadland Ans | Wholesale & retail | 2003 |
| Sunrise Ans | | 1990 |
| Ta Drilling AS | Professional & scientific | 2013 |
| Takstmann Jarle Johan Larsen AS | Real estate | 2017 |
| Talhaug Holding AS | Professional & scientific | 2018 |
| Telt AS | | 2025 |
| Terje Riise Eiendom AS | Real estate | 1992 |
| Thess Hårdesign AS | Other services | 2020 |
| Think Hair Wear Sandsli AS | Other services | 1991 |
| TKS AS | Professional & scientific | 2023 |
| Torvund Holding AS | | 2025 |
| Total Kropp Sandsli AS | Health & social care | 2012 |
| Tricod Eiendom AS | Professional & scientific | 2005 |
| Trollbua Invest AS | | 2008 |
| Trolldrønn Holding AS | | 2022 |
| Tucker Consulting AS | Professional & scientific | 2013 |
| Unneland Konsulting AS | Professional & scientific | 2025 |
| Usfos AS | Information & communication | 2004 |
| V-Tech Engineering AS | Professional & scientific | 2025 |
| V-Tech Holding AS | | 2025 |
| Van Der Laan International | Professional & scientific | 2013 |
| Varibits AS | Professional & scientific | 2020 |
| Vest Klima AS | Construction | 2023 |
| Vest Trappevask AS | Administrative & support | 2017 |
| Villa Vest Familierestauranter AS | Hospitality | 2016 |
| Vincula AS | Information & communication | 2011 |
| Vonabu AS | | 2024 |
| Webuild S.P.A. Nuf | Construction | 2017 |
| Wemben AS | | 2023 |
| Wemben Invest AS | Financial services | 2023 |
| Wier Invest AS | Financial services | 2012 |
| Willy AS | Real estate | 2018 |
| Yellowstone Transport & Maskin AS | Transport & logistics | 2022 |
| Yourlight AS | | 2026 |
| Zachariassen Invest AS | | 2025 |
| Zoneout & Zest AS | Wholesale & retail | 2022 |
| Æika Invest AS | | 2023 |
| Ø. Aarbakke AS | Wholesale & retail | 1997 |