| Reidun Salongen AS | Other services | 2017 |
| Reidun Salongen Drift AS | Other services | 2020 |
| Rein AS | Real estate | 2012 |
| Restaurantdrift Ålgård AS | Hospitality | 2022 |
| Rettedalen 51 AS | Real estate | 2007 |
| Rettedalen Bo AS | Real estate | 2016 |
| Revhodel AS | Financial services | 2005 |
| Rhon Labs AS | Information & communication | 2026 |
| Rishagen Fus Barnehage AS | Education | 2019 |
| Robra AS | Real estate | 2005 |
| Rogaland Bygg & Betong AS | Construction | 2017 |
| Rogaland Customs Brokers Da | Transport & logistics | 2011 |
| Rogaland Fasadevask AS | Administrative & support | 2021 |
| Rogaland Fritidspark AS | Arts & recreation | 2001 |
| Rogaland Fritidspark Eiendom AS | Real estate | 1997 |
| Rogaland Keeperskole AS | Education | 2017 |
| Rogheienkraft Da | Energy | 2008 |
| Rolufsen Holding AS | | 2024 |
| Rosshammaren AS | | 2020 |
| Rovik Auto AS | Wholesale & retail | 1989 |
| RS Investering AS | Real estate | 2004 |
| RT Invest AS | Real estate | 2004 |
| Rødberg Holding AS | | 2026 |
| Rørleggerfirma Sigurd Lima AS | Construction | 2024 |
| S Ravndal AS | Wholesale & retail | 1998 |
| S. Lima Holding AS | | 2026 |
| S. Ravndal Holding AS | Wholesale & retail | 2005 |
| Safe Core AS | Administrative & support | 2023 |
| Saga Energy Elektriske Produkt AS | Wholesale & retail | 2021 |
| Salong Sheri Alexandra AS | Other services | 2014 |
| Sandnes Transport AS | Transport & logistics | 2013 |
| Sandra Pedersen AS | Arts & recreation | 2022 |
| SB Skurve AS | Real estate | 2012 |
| Scandiknit AS | Information & communication | 2023 |
| Scandinavian Luxury Hotels AS | Real estate | 2017 |
| Sel Investering AS | | 2026 |
| Sfrw Holding AS | Professional & scientific | 2018 |
| SG Betong AS | Administrative & support | 2017 |
| SG Holdings AS | | 2025 |
| SH Maskindeler AS | Wholesale & retail | 2015 |
| SHF AS | Education | 2024 |
| SHW AS | Construction | 2022 |
| Sibb Holding AS | Financial services | 2005 |
| Sigmundsen Eiendom AS | Real estate | 2009 |
| Sigmundsen Holding AS | Administrative & support | 2016 |
| Sigmundsen Transport AS | Transport & logistics | 2012 |
| Sigurd Lima Eiendom AS | Real estate | 1991 |
| Siktek AS | Wholesale & retail | 2004 |
| Sivertsen AS | Wholesale & retail | 2013 |
| Sivle AS | Real estate | 2017 |
| Sivma Invest AS | Financial services | 2016 |
| Sjylv AS | | 2021 |
| Skandinaviska Turistkyrkan Benidorm | Other services | 2015 |
| Skandsen AS | Real estate | 2005 |
| Skeidar Ålgård AS | Wholesale & retail | 1998 |
| Skjæveland Holding AS | | 2022 |
| Skogveien 2 AS | Real estate | 2015 |
| Skråmestø Holding AS | | 2026 |
| Skurve Auto AS | Other services | 2016 |
| Skurve Eiendom AS | Real estate | 2013 |
| Skurve Holding AS | Construction | 2021 |
| Skurve IV AS | Construction | 2007 |
| Skurve Maskin AS | Construction | 2013 |
| Skurvebakkane 1 AS | Real estate | 2016 |
| Skurvebakkane 40 AS | Real estate | 2023 |
| Skurvebakkane 42 AS | Real estate | 2024 |
| Skurvebakkane AS | Real estate | 2018 |
| Skurvebakkane Te AS | Real estate | 2025 |
| Skurvetunet AS | Hospitality | 2018 |
| Skyggeknuten Invest AS | | 2022 |
| Skytesenteret AS | Arts & recreation | 2014 |
| Skytten AS | Financial services | 2015 |
| Skårland Bygg AS | Construction | 2018 |
| Skårland Eiendom AS | Real estate | 2022 |
| Slothen AS | | 2025 |
| Smart Maskinutleie AS | Administrative & support | 2008 |
| Snekkerhjelpen AS | Construction | 2025 |
| Snørose AS | Wholesale & retail | 2023 |
| Solid HMS Da | Health & social care | 2010 |
| Solveteq AS | Professional & scientific | 2016 |
| Sotoh Holding AS | | 2026 |
| Soton Investment AS | Financial services | 2005 |
| Sparti Holding AS | Other services | 2024 |
| Spencer AS | Financial services | 2005 |
| SPH Invest AS | Construction | 2021 |
| Spider Group AS | Professional & scientific | 2016 |
| Spire Innovasjon AS | Professional & scientific | 2019 |
| Spurs Finans AS | | 2005 |
| Spurs Invest AS | | 2024 |
| SRK Eiendom AS | Real estate | 2018 |
| SRN Holding AS | Professional & scientific | 2025 |
| Stangeland Mølle AS | Manufacturing | 1989 |
| Stangeland Mølle Berge AS | Real estate | 2018 |
| Stangeland Mølle Handel AS | Wholesale & retail | 2001 |
| Stangeland Mølle Holding AS | Manufacturing | 2021 |
| Stangeland Mølle Skurve AS | Real estate | 2018 |
| Startex Norway AS | Wholesale & retail | 2023 |
| Stasjonen Blomster AS | Wholesale & retail | 2009 |
| Stasjonen Eiendom AS | Real estate | 2021 |
| Stavanger Stålindustri AS | Manufacturing | 2001 |