| Saga Finans AS | | 2014 |
| Saga Hus AS | Construction | 2001 |
| Saga Opportunities AS | | 2026 |
| Saga Park AS | Real estate | 2025 |
| Sagild Invest AS | | 2021 |
| Sagøy AS | Transport & logistics | 2014 |
| Saho AS | | 2025 |
| Sailmaster AS | Real estate | 2019 |
| Sakly AS | Information & communication | 2021 |
| Sakro Invest AS | Financial services | 2011 |
| Sakslund Panorama AS | Real estate | 2021 |
| Saksvikodden Vasslag SA | Water & waste | 2016 |
| Salberg Trening Og Fysioterapi AS | Health & social care | 2003 |
| Salestra AS | Professional & scientific | 2023 |
| Salmonsolutions AS | Agriculture & fishing | 2025 |
| Salong Briis AS | Other services | 2018 |
| Salong Fateme AS | Other services | 1996 |
| Salong Perfect AS | Other services | 1987 |
| Salotto AS | Other services | 2016 |
| Salsa Verde Media AS | Administrative & support | 2026 |
| Salsnes Invest Holding AS | Financial services | 2005 |
| Salt Event AS | Administrative & support | 2021 |
| Saltnessand Utbygging AS | Real estate | 2010 |
| Salveo Solutions AS | Professional & scientific | 2022 |
| Sambou Holding AS | Hospitality | 2011 |
| Samconsult AS | Professional & scientific | 2024 |
| Sameiedrift 2 AS | Real estate | 2013 |
| Sameiedrift AS | Real estate | 2012 |
| Sameiet 141 Da | Real estate | 2017 |
| Samfundet Dagligvare AS | Wholesale & retail | 2018 |
| Samfundets Støtter AS | Administrative & support | 2010 |
| Sami Media AS | Wholesale & retail | 2007 |
| Samling AS | Professional & scientific | 2020 |
| Samoma Invest AS | | 2021 |
| Sams Pizza & Grill AS | Hospitality | 2013 |
| Samsetak Invest AS | | 2021 |
| Samspilt AS | Professional & scientific | 2020 |
| Samstad Holding AS | | 2020 |
| Samstad Interiør DKT AS | Professional & scientific | 2020 |
| Samtrans AS | Transport & logistics | 2003 |
| Samurai Records Da | Information & communication | 2012 |
| San Bernardino Holding AS | | 2020 |
| San Bygg AS | Construction | 2021 |
| San Frisør AS | Other services | 2016 |
| SAN10 Holding AS | | 2024 |
| Sand Tech Consulting AS | Information & communication | 2025 |
| Sanda Holding AS | | 2021 |
| Sandadrian Holding AS | | 2019 |
| Sandan Eiendom AS | Real estate | 2006 |
| Sandavegen 21 AS | Real estate | 2021 |
| Sandavegen Bolig AS | Real estate | 2026 |
| Sandavegen Utvikling AS | | 2024 |
| Sandbakken Musikk AS | Arts & recreation | 2017 |
| Sandbakkvegen Utbyggingsselskap AS | Real estate | 2015 |
| Sandbekkhaug Ventures AS | | 2026 |
| Sandeman Eiendom AS | Real estate | 2021 |
| Sanden Bolig AS | Real estate | 2024 |
| Sandgata 22 AS | Real estate | 1974 |
| Sandgata 23 AS | Real estate | 2020 |
| Sandgata 29 Ans | Real estate | 1995 |
| Sandgata 33 Eiendom AS | Real estate | 2020 |
| Sandgrind Holding AS | Real estate | 2018 |
| Sandmark AS | Real estate | 2025 |
| Sandmo Mur Og Flis AS | Construction | 2023 |
| Sandmoen Utvikling AS | Real estate | 2008 |
| Sandmovegen 135 AS | Real estate | 2018 |
| Sandnes Aktiv AS | Real estate | 2015 |
| Sandopp Holding AS | Real estate | 2019 |
| Sandra Munkhaugen AS | | 2024 |
| Sandra Skjøstad Invest AS | Wholesale & retail | 2015 |
| Sandtorp Invest AS | | 2022 |
| Sandvik Equity AS | | 2025 |
| Sandvik Kapital AS | | 2024 |
| Sandviken Næringseiendom AS | Real estate | 2003 |
| Sandå Midt Og Nord AS | Construction | 1998 |
| Sandøya AS | Real estate | 2025 |
| Saneringsgruppen Midt-Norge AS | Construction | 2017 |
| Sanfrika Holding AS | | 2024 |
| Sanipro AS | Wholesale & retail | 2005 |
| Sanitærteknikk AS | Construction | 2017 |
| Sanitærteknikk AS | Construction | 2023 |
| Sann Skredderi AS | Manufacturing | 2024 |
| Sanna Østre AS | Real estate | 2008 |
| Sannan B12-4 Holding AS | Real estate | 2019 |
| Sannan B13-1 Holding AS | Real estate | 2016 |
| Sannan B13-2 Holding AS | Real estate | 2016 |
| Sannan B14-1 Holding AS | Real estate | 2022 |
| Sannan B14-2 Holding AS | Real estate | 2022 |
| Sannan B14-3 Holding AS | Real estate | 2022 |
| Sannan B14-4 Holding AS | Real estate | 2022 |
| Sannan B14-5 Holding AS | Real estate | 2022 |
| Sannan B14-6 Holding AS | Real estate | 2022 |
| Sannan B14-7 Holding AS | Real estate | 2022 |
| Sannan Bolig AS | Real estate | 2004 |
| Sannan Holding AS | Information & communication | 2019 |
| Sannan Næring AS | Real estate | 2007 |
| Sannantorget Holding AS | Real estate | 2019 |
| Sannum Eiendom AS | Real estate | 2004 |
| Sannum Holding AS | Real estate | 2005 |
| Sanoi Drift AS | Administrative & support | 2021 |