| Sola Take Away AS | Hospitality | 2017 |
| Sola Trafikkskole AS | Education | 2006 |
| Sola Turbusser Og Sola Servicenter Ans | Transport & logistics | 1978 |
| Sola Turbusser Og Sola Servicenter AS | Transport & logistics | 2021 |
| Solabladet AS | Information & communication | 1997 |
| Solakross 18 AS | Real estate | 2013 |
| Solakrossen Eiendom AS | Real estate | 2005 |
| Solakrossvegen 4 AS | Real estate | 2010 |
| Solar Harvest AS | Professional & scientific | 2009 |
| Solar Harvest Holding AS | Professional & scientific | 2008 |
| Solebu AS | Real estate | 2014 |
| Soluberry AS | Professional & scientific | 2022 |
| Soma Flora AS | | 2025 |
| Somamyrå AS | Real estate | 2013 |
| Sondris AS | Professional & scientific | 2021 |
| SPM Elite Trade AS | Wholesale & retail | 2012 |
| Sportslife AS | Professional & scientific | 2012 |
| Sso Holding AS | | 2020 |
| ST Amdal Holding AS | Real estate | 2019 |
| Staan Kapital AS | Real estate | 2025 |
| Stangeland Bil AS | Wholesale & retail | 2019 |
| Stangeland Brukt AS | Wholesale & retail | 2009 |
| Stangeland Bygg AS | Real estate | 2013 |
| Stangeland Eiendom Holding AS | Real estate | 2020 |
| Stangeland Forvaltning AS | Financial services | 2003 |
| Stangeland Gruppen AS | Administrative & support | 1984 |
| Stangeland Holding AS | Construction | 2019 |
| Stangeland Kran Holding AS | | 2024 |
| Stangeland Maskin AS | Construction | 1984 |
| Stangeland Miljø AS | Water & waste | 2010 |
| Stangeland Næringspark 1 AS | Real estate | 2013 |
| Stangeland Næringspark 2 AS | Real estate | 2013 |
| Stangeland Næringspark 3 AS | Real estate | 2013 |
| Stangeland Prosjekt AS | Construction | 2019 |
| Stangeland Tecta Eiendom AS | | 2024 |
| Stangeland Trafikkskole AS | Education | 2013 |
| Stangelandsvegen 60 AS | Real estate | 2024 |
| Statech AS | Real estate | 1987 |
| Stavanger Eiendomsdrift AS | Real estate | 2003 |
| Stavanger Markedsføring Da | Professional & scientific | 2023 |
| Stegavik & Herrem AS | Arts & recreation | 2017 |
| Steinrøys Invest AS | Administrative & support | 2005 |
| Stemvegen Fus Barnehage AS | Education | 2018 |
| Sting AS | Professional & scientific | 2025 |
| Stokka Vest Eiendom AS | Real estate | 2020 |
| Stokkavik AS | Real estate | 2013 |
| Stolt Lokalt AS | Wholesale & retail | 2025 |
| Strandkaien 34 AS | Real estate | 2014 |
| Straumesundet Bolig AS | Real estate | 2015 |
| Strike AS | Professional & scientific | 2022 |
| Studio Amira AS | Wholesale & retail | 2025 |
| Studio Linde AS | Professional & scientific | 2025 |
| Styring Regulering Automatikk AS | Wholesale & retail | 1995 |
| Su Renhold AS | Administrative & support | 2018 |
| Subaquatic AS | | 2021 |
| Subroutine AS | Information & communication | 2023 |
| Sud Saem S.R.L | Construction | 2011 |
| Sum Avsetning AS | | 2020 |
| Sunde Hageservice AS | Administrative & support | 1986 |
| Sushi Sola AS | Hospitality | 2020 |
| Svein Erik Larsen AS | Professional & scientific | 2007 |
| Svenibona-Bo AS | | 2021 |
| Svoldalsneset AS | Professional & scientific | 2005 |
| SVT Auto AS | Other services | 2025 |
| Switchback Norway AS | Information & communication | 2020 |
| Sykkelcenteret Sola AS | Wholesale & retail | 1994 |
| Symbiotic AS | Professional & scientific | 2021 |
| Såkorn AS | Real estate | 2004 |
| Sæfo AS | Real estate | 1987 |
| Söderberg & Partners Svithun AS | Financial services | 2025 |
| Sømmebakken Eiendom AS | Real estate | 2007 |
| Sømmevågen I AS | Real estate | 2007 |
| Sømmevågen II AS | Real estate | 2007 |
| Sømmevågen III AS | Real estate | 2007 |
| Sørens Kurs Og Veiledning AS | Education | 2020 |
| Sørvest Forsikring AS | | 1984 |
| T R. Holding AS | Administrative & support | 2021 |
| T.I.Gimre Invest AS | | 2025 |
| T6PC Ans | Financial services | 2005 |
| Talg AS | Information & communication | 2022 |
| Tananger Næringspark AS | Real estate | 1999 |
| Tankbåtveien 1 AS | Real estate | 2002 |
| Tankbåtveien 2 AS | Real estate | 1995 |
| Tanksenteret AS | Wholesale & retail | 2024 |
| Tannfix AS | Health & social care | 2021 |
| Tannlege Anette Vetnes Westre AS | Health & social care | 2023 |
| Tannlege Geir J Bøe AS | Health & social care | 1990 |
| Tannlege MK AS | Administrative & support | 2016 |
| Tao Restaurant AS | Hospitality | 2025 |
| Tbi Eiendom AS | Real estate | 2007 |
| Te Bygg&Eiendom AS | Real estate | 2011 |
| Team Ervik AS | | 2019 |
| Team Hagen Invest AS | Financial services | 2005 |
| Team Sola Strand AS | Hospitality | 2018 |
| Techneering AS | Professional & scientific | 2020 |
| Tekin AS | Transport & logistics | 2026 |
| Teknisk AS | Construction | 2013 |
| Tema Norge AS | Wholesale & retail | 1998 |
| Tema Norge Eiendom AS | Real estate | 1999 |
| Tendra Arkitektur AS | Professional & scientific | 2019 |