| Sarbaz Holding AS | Other services | 2024 |
| Sarep AS | | 2026 |
| Saveit AS | Construction | 2021 |
| Scandic Espenes AS | Construction | 2023 |
| Schjelderup Kleppe Medical Holding AS | Health & social care | 2023 |
| Scout Holding AS | | 2020 |
| Seaharvest West AS | Agriculture & fishing | 2014 |
| Seland Optikk Jæren AS | Wholesale & retail | 1995 |
| Sele Consulting AS | | 2026 |
| Sele Dyreklinikk Da | Professional & scientific | 2005 |
| Sele Forvaltning AS | | 2026 |
| Sele Kalk AS | Transport & logistics | 2011 |
| Sele Sveis AS | Manufacturing | 2024 |
| Sentrumsgården Eiendom 1 AS | Real estate | 2022 |
| Sentrumsgården Eiendom 2 AS | Real estate | 2022 |
| Sentrumsgården Helse AS | Real estate | 2022 |
| Sentrumsgården Helse Eiendom AS | Real estate | 2022 |
| Sest AS | Construction | 1985 |
| Sett Invest AS | Real estate | 2017 |
| SGT 7 AS | Real estate | 2023 |
| SH Eiendom Og Holding AS | | 2024 |
| Siddis Bemanning AS | Administrative & support | 2014 |
| Siko Invest AS | Financial services | 2012 |
| Silinn Invest AS | Real estate | 1996 |
| Simen Byberg AS | Construction | 2024 |
| Sivilarkitekt Berge AS | Professional & scientific | 2011 |
| Sjurshoff AS | Real estate | 2011 |
| Sjøfjøl AS | | 2026 |
| Skapertorget AS | Information & communication | 2026 |
| Skjærgården Invest AS | Real estate | 2004 |
| Skogly & Høyen Eiendom AS | Real estate | 2004 |
| Skratteetaten AS | Arts & recreation | 2023 |
| Skyland Jærhagen AS | Arts & recreation | 2019 |
| Skynett AS | | 2025 |
| SL Håland 2 AS | Real estate | 2011 |
| SLB Invest AS | Education | 2021 |
| Smarte Tiltak Da | Professional & scientific | 2010 |
| SMF Holding AS | | 2005 |
| Småjobb Service AS | Construction | 2018 |
| Snedigt Da | Administrative & support | 2005 |
| Snikkeriet AS | Construction | 2023 |
| Snos Jærhagen AS | Wholesale & retail | 2025 |
| Socarrat AS | | 2019 |
| Sola General Aviation AS | Administrative & support | 2016 |
| Solberg Møbeltapetsering AS | Other services | 2021 |
| Soldesignart AS | Information & communication | 2025 |
| Solheim Finans AS | | 2026 |
| Solid Klepp AS | Wholesale & retail | 2018 |
| Sons AS | | 2024 |
| Sorrisi AS | Health & social care | 2021 |
| Soteland Invest AS | | 2023 |
| Spesialtransport Norge AS | Administrative & support | 2005 |
| Spotlight Fashion AS | Wholesale & retail | 2010 |
| Sprøyte Gården AS | Wholesale & retail | 1993 |
| SR. Holding AS | | 2024 |
| SS Invest AS | Real estate | 2005 |
| SSL Transport AS | Transport & logistics | 2023 |
| Status AS | Professional & scientific | 1984 |
| Stavanger Malingstjenester AS | Construction | 2023 |
| Steinteknikk AS | Construction | 2005 |
| Stille Og Rolig AS | Real estate | 2016 |
| Storhaug Holding AS | Real estate | 2014 |
| Storyteller Recording AS | Professional & scientific | 2016 |
| Strand Marine AS | Wholesale & retail | 2017 |
| Strand Marine Eiendom AS | Real estate | 2024 |
| Strand Marine Holding AS | Real estate | 2024 |
| Strandly Vekst AS | Professional & scientific | 2019 |
| Studio 82 AS | Professional & scientific | 2024 |
| Studio Engel AS | Other services | 2025 |
| Styrkefysiologen AS | Education | 2019 |
| Stødle Transport AS | Transport & logistics | 2019 |
| Sublimo Invest AS | | 2025 |
| Superpotensial AS | Education | 2020 |
| Superpotensial Holding AS | Education | 2021 |
| Surfsenter AS | Education | 2025 |
| Svaboe & Sagerup AS | Professional & scientific | 2024 |
| Sveinsvoll Skoge Holding AS | Professional & scientific | 2024 |
| Sveisen Hårdesign AS | Other services | 2021 |
| Synccare AS | Wholesale & retail | 2025 |
| Synchelse AS | Wholesale & retail | 2025 |
| Syntema AS | Wholesale & retail | 2005 |
| Søyland Investering AS | Real estate | 2001 |
| T J Folkvord Transport AS | Transport & logistics | 1989 |
| T&T Håland Holding | Professional & scientific | 2017 |
| T. Skretting Holding AS | | 2021 |
| Tannlege Magdalena Pydo AS | Health & social care | 2016 |
| Team Vinduspuss & Fasade AS | Administrative & support | 2014 |
| Tev Nexus AS | | 2025 |
| The Only One AS | Hospitality | 2006 |
| Thor Kraft AS | Professional & scientific | 2023 |
| Thorir AS | Education | 2026 |
| Tilhenger Spesialisten Stavanger AS | Wholesale & retail | 2022 |
| Timahaj AS | Construction | 2026 |
| Tjosevik A/S | Real estate | 1988 |
| TNB Invest AS | Construction | 2020 |
| Toftehaugane AS | Real estate | 2011 |
| Togro AS | Financial services | 2008 |
| Tolo Golf AS | Administrative & support | 2026 |
| Tolo Treningssenter AS | Other services | 2015 |
| Tor Erik Management AS | | 2025 |