| Sangolt Software Consulting AS | Information & communication | 1997 |
| Sangtun Eiendom AS | Construction | 1992 |
| Sauafjellet Fus Barnehage AS | Education | 2019 |
| Seafertil AS | Manufacturing | 2024 |
| Sekkingstad AS | Wholesale & retail | 1992 |
| Senter Mat AS | Wholesale & retail | 2013 |
| Servicesenteret G Ulvatn AS | Transport & logistics | 1997 |
| Silwer AS | Wholesale & retail | 2014 |
| Site Vest AS | Professional & scientific | 2023 |
| SJD Holding AS | | 2022 |
| Sjøsaker AS | Manufacturing | 2024 |
| Skaga Eiendom AS | Real estate | 2009 |
| Skaga Holding AS | Real estate | 2015 |
| Skagafisk Ans | Agriculture & fishing | 2008 |
| Skagakaien Kailag SA | Arts & recreation | 1919 |
| Skage Entreprenør AS | Construction | 2023 |
| Skoge Fiskeri AS | Agriculture & fishing | 2024 |
| Skoge Holding AS | Agriculture & fishing | 2024 |
| Skogsvåg Auto AS | Other services | 2020 |
| Skogsvåg Eiendom AS | Real estate | 2025 |
| Skogsvåg Servicesenter AS | Wholesale & retail | 2021 |
| Skyttermoen Bygg AS | Construction | 2022 |
| Snatchacard AS | | 2026 |
| Sollmar AS | Wholesale & retail | 2022 |
| Somecs AS | Professional & scientific | 2019 |
| Sotra Båt AS | Real estate | 2006 |
| Sotra Båt Da | Wholesale & retail | 2005 |
| Sotra Båt Holding AS | Real estate | 2006 |
| Sotra Maskin Produkter AS | Agriculture & fishing | 1996 |
| Sotra Steinindustri AS | Real estate | 1986 |
| Spildepollen Dagligvarer AS | Wholesale & retail | 1985 |
| Sportek AS | Construction | 2025 |
| Strandly Marina AS | Arts & recreation | 2018 |
| Strilastyrke AS | Education | 2023 |
| Sudoinit AS | | 2025 |
| Sund Apotek AS | Wholesale & retail | 2010 |
| Sund Fysioterapi AS | Health & social care | 2025 |
| Sund Hårstudio AS | Other services | 1997 |
| Sund Safety AS | Professional & scientific | 2011 |
| Sund Senter Blomster AS | Wholesale & retail | 2002 |
| Sørlandet Visningssenter AS | Agriculture & fishing | 2023 |
| Tas-Holding AS | | 2018 |
| Teineskjær AS | Agriculture & fishing | 2024 |
| Tekslo Holding AS | Financial services | 2024 |
| Tekslo Seafood AS | Agriculture & fishing | 2019 |
| Tekslo Seafood Holding AS | | 2024 |
| Tellusguide AS | Information & communication | 2018 |
| The Real World Da | | 2023 |
| TM Kystfiske AS | Agriculture & fishing | 2025 |
| Toe Holding AS | | 2026 |
| Toft Holding AS | Construction | 2015 |
| TOFT1 Eiendom AS | Construction | 2015 |
| Transportavdelingen AS | Transport & logistics | 2025 |
| Trellevik Gard AS | Real estate | 2019 |
| Trengereidgarden AS | Agriculture & fishing | 2020 |
| Triens AS | Professional & scientific | 2013 |
| Triens Eiendom AS | Real estate | 2024 |
| Trient AS | Professional & scientific | 1993 |
| Trond Sæterstøl AS | Wholesale & retail | 1998 |
| Trygge Steg AS | Real estate | 2026 |
| Vel TS1 AS | Real estate | 2020 |
| Vel TS2 AS | Real estate | 2020 |
| Velipe AS | Financial services | 2016 |
| Vero's Pizzeria & Ristorante Ans | Hospitality | 1996 |
| Vest Maskin AS | Construction | 1996 |
| Vestland Auto AS | Other services | 2019 |
| Vestland Lek AS | Construction | 2017 |
| Vestland Service AS | Construction | 1985 |
| Vesttools Da | Administrative & support | 2025 |
| Vindhammar Eiendom AS | Real estate | 2007 |
| VVS Fag AS | Construction | 1987 |
| Westkran Crane & Service AS | Construction | 2022 |
| Yes Øre-Nese-Hals AS | Health & social care | 2024 |
| ZK Byggservice AS | Construction | 2023 |
| Zynli AS | Professional & scientific | 2025 |
| Øk Eiendom AS | Real estate | 2020 |