| Stein Og Sverre Undheim Ans | Agriculture & fishing | 2014 |
| Steinar Aamodt AS | Professional & scientific | 2017 |
| Steinbakken AS | | 2020 |
| Steinodden 1 AS | Financial services | 2016 |
| Steinodden 2 AS | Financial services | 2016 |
| Steinodden 3 AS | Financial services | 2016 |
| Stellar MK Holding AS | | 2025 |
| Sternblick AS | Administrative & support | 2014 |
| Stiabakken AS | | 2020 |
| Stiafjell AS | | 2020 |
| Stian E Skogen AS | Wholesale & retail | 2014 |
| Stokkeland - Advokat Da | Professional & scientific | 2002 |
| Stokkeland AS | Education | 2022 |
| Stoneship AS | Transport & logistics | 1988 |
| Store Lilandsheia Beitelag SA | Agriculture & fishing | 1995 |
| Storgaten Egersund AS | Real estate | 2020 |
| Stornes Slipp & Mek Verksted AS | | 1975 |
| Strand-Gården AS | Real estate | 2022 |
| Strandgaten 30 AS | Professional & scientific | 2013 |
| Studio Fix AS | Other services | 2019 |
| Sundt & Godt AS | Wholesale & retail | 1990 |
| Sushi Egersund AS | Hospitality | 2020 |
| Sutu Invest AS | Professional & scientific | 2014 |
| Sutu Utvikling AS | Professional & scientific | 2021 |
| Svaaheia Avfall AS | Water & waste | 2009 |
| Svanavågen Eiendom AS | Construction | 2012 |
| Svåheia Eiendom AS | Real estate | 2015 |
| Svåholmen AS | Agriculture & fishing | 2016 |
| Symre Bakeri Og Konditori AS | Manufacturing | 2025 |
| Synrise Holding AS | | 2023 |
| Systuå AS | Wholesale & retail | 2020 |
| Sæstad Invest AS | | 2020 |
| Sør in Vest AS | Professional & scientific | 2019 |
| Sør Rogaland Bilutleie AS | Wholesale & retail | 2008 |
| Sør-Vest Holding AS | | 2023 |
| Sørvest Holding AS | Real estate | 1975 |
| T Holand Eiendom AS | Real estate | 2000 |
| T Holand Maskin AS | Construction | 1999 |
| T.T Holding AS | Financial services | 2012 |
| Take a Break Sirevåg AS | Hospitality | 2023 |
| Takspesialisten AS | Construction | 2016 |
| Tamarillo Invest AS | | 2020 |
| Tannlege Skaaland AS | | 2007 |
| Tannlege-Senteret Da | Health & social care | 2004 |
| Tannverk AS | Health & social care | 2021 |
| Teag Holding AS | Real estate | 2005 |
| Team Gnist AS | Wholesale & retail | 2025 |
| Tebs Holding AS | | 2019 |
| Teinefiskeren AS | Wholesale & retail | 2021 |
| Teknikksupport AS | Construction | 2006 |
| Tellenes Hydrogen AS | Manufacturing | 2023 |
| Tengesdal Sport AS | Wholesale & retail | 1981 |
| Tengs Eiendom AS | Real estate | 2004 |
| Tengsareid 4 AS | Real estate | 2021 |
| Tengsareid AS | Real estate | 2017 |
| Tengsareid Eiendom AS | Real estate | 2009 |
| Tengsareid Fjellteknikk AS | Construction | 2020 |
| Tengsareid Holding AS | Real estate | 2017 |
| Tengsareid III AS | Real estate | 2021 |
| Tengsareid Landbruk Da | Agriculture & fishing | 2024 |
| Tengselva Og Fotlandsvannet Fiskeeigarlag SA | Real estate | 2000 |
| Teq AS | Wholesale & retail | 2019 |
| Ticotec AS | Hospitality | 2025 |
| Tingbø Holding AS | | 2019 |
| Tisi Holding AS | Education | 2021 |
| Tlcj Holding AS | | 2026 |
| TM Hage Og Fritid AS | Wholesale & retail | 2022 |
| Tommy & Di AS | Administrative & support | 2014 |
| Tor H. Myklebust Invest AS | Financial services | 2013 |
| Tor Henning Holding AS | | 2021 |
| Torbjørn Helland AS | Real estate | 2011 |
| Torbjørn Helland Invest AS | Real estate | 2011 |
| Torbjørn Helland Maskin AS | Construction | 2004 |
| Tore Ulsund AS | Real estate | 2005 |
| Torvgården Coworking AS | Real estate | 2024 |
| Toten Invest AS | Financial services | 2017 |
| Toves Garn & Brukskunst AS | Wholesale & retail | 2018 |
| TPL AS | Other services | 2005 |
| Trappeksperten AS | Wholesale & retail | 2017 |
| Travelserver AS | Administrative & support | 2009 |
| Trekonsult AS | Professional & scientific | 2024 |
| Trollpikken SA | Transport & logistics | 2018 |
| Tuen Hytteutvikling AS | Real estate | 2020 |
| Tømrer Edland AS | Construction | 2022 |
| Tønnesen & Melhus Ans | Construction | 1996 |
| Ultimate Bundles AS | | 2025 |
| Under Tøyet AS | Wholesale & retail | 2018 |
| Uninor AS | Health & social care | 1990 |
| Urknollen Invest AS | Professional & scientific | 2018 |
| Utgårdskilen Eiendom AS | Real estate | 2022 |
| V & T Entreprenør AS | Transport & logistics | 2012 |
| V&T Holding AS | | 2021 |
| Vakat Invest AS | | 2020 |
| Valand Holding AS | Wholesale & retail | 2005 |
| Varden 1 AS | | 2020 |
| Varden 2 AS | | 2020 |
| Varden Barnehage SA | Education | 1989 |
| Vardr AS | | 2025 |
| Vasketaxi AS | Administrative & support | 2022 |
| Veg-Visir AS | Administrative & support | 2022 |