| Spitsbergen Guide Service AS | Administrative & support | 2014 |
| Spitsbergen Holding AS | Wholesale & retail | 2023 |
| Spitsbergen Isdykk Ans | Transport & logistics | 1997 |
| Spitsbergen Logistikk AS | Transport & logistics | 2013 |
| Spitsbergen Sport AS | Wholesale & retail | 2023 |
| Spitzbergen Adventures AS | Administrative & support | 2014 |
| Spitzbergen Reisen AS | Administrative & support | 2016 |
| Spitzbergen Reisen Eiendom AS | Hospitality | 2018 |
| Sportscenteret Svalbard AS | Wholesale & retail | 2007 |
| Stakvik Invest AS | Administrative & support | 2021 |
| Stationen AS | Hospitality | 2017 |
| Steakers Svalbard AS | Hospitality | 1998 |
| Steinkroa Eiendom AS | Real estate | 2023 |
| Steve & Hougie AS | Professional & scientific | 2025 |
| Steve Holding AS | Real estate | 2014 |
| Storbilgarasjen AS | Real estate | 2021 |
| Store Norske Boliger AS | Real estate | 2000 |
| Store Norske Energi AS | Energy | 2001 |
| Store Norske Gruve 3 AS | Administrative & support | 2015 |
| Store Norske Gruvedrift AS | Mining & quarrying | 2016 |
| Store Norske Næringsbygg AS | Real estate | 2021 |
| Storm Event Nord AS | Administrative & support | 2006 |
| Strøm & Fålun Artic Da | Wholesale & retail | 1997 |
| Sukkertoppen AS | Real estate | 2005 |
| SVAL3D AS | Professional & scientific | 2026 |
| Svalbar Pub AS | Hospitality | 2020 |
| Svalbard Adventures AS | Hospitality | 2016 |
| Svalbard Auto AS | Wholesale & retail | 1998 |
| Svalbard Bivrost Distillery AS | Manufacturing | 2022 |
| Svalbard Brenneri AS | Manufacturing | 2022 |
| Svalbard Bryggeri AS | Manufacturing | 2017 |
| Svalbard Bryggeri Eiendom AS | Real estate | 2015 |
| Svalbard Bryggeri Holding AS | Manufacturing | 2017 |
| Svalbard Buss Og Taxi AS | Transport & logistics | 1998 |
| Svalbard Busservice AS | Transport & logistics | 1995 |
| Svalbard Bygg AS | Construction | 2011 |
| Svalbard Byggeri AS | Construction | 2023 |
| Svalbard Distillery AS | Manufacturing | 2014 |
| Svalbard Eiendom AS | Real estate | 2023 |
| Svalbard Energi AS | Energy | 2021 |
| Svalbard Energi Og Fritid AS | Wholesale & retail | 2018 |
| Svalbard Expeditions AS | Arts & recreation | 2019 |
| Svalbard Experience AS | Administrative & support | 2026 |
| Svalbard Explorer AS | Administrative & support | 2013 |
| Svalbard Explorer Eiendom AS | Real estate | 2013 |
| Svalbard Folkehøgskole AS | Education | 2017 |
| Svalbard Glamping AS | Hospitality | 2022 |
| Svalbard Group AS | Administrative & support | 2019 |
| Svalbard Group Consulting AS | Hospitality | 2025 |
| Svalbard Guide Service AS | Administrative & support | 2022 |
| Svalbard Husky Adventure Camp AS | Real estate | 2018 |
| Svalbard Husky AS | Arts & recreation | 2013 |
| Svalbard International AS | | 2013 |
| Svalbard Kayak & Nature Guide AS | Administrative & support | 2021 |
| Svalbard Kreativ AS | Information & communication | 2020 |
| Svalbard Limmo Da | Transport & logistics | 2005 |
| Svalbard Lufthavn AS | Transport & logistics | 2016 |
| Svalbard Marine Utvikling AS | Agriculture & fishing | 2017 |
| Svalbard Nature Experience AS | Other services | 2023 |
| Svalbard Photography AS | Administrative & support | 2022 |
| Svalbard Polar Travel Da | Administrative & support | 2003 |
| Svalbard Pumpe- Og Ventilservice AS | Manufacturing | 2024 |
| Svalbard Revisjon AS | Professional & scientific | 2025 |
| Svalbard Salt AS | Manufacturing | 2016 |
| Svalbard Snøscooterutleie AS | Wholesale & retail | 2018 |
| Svalbard Såpe AS | Manufacturing | 2020 |
| Svalbard Turist Service AS | Transport & logistics | 2005 |
| Svalbard Utbygging AS | Real estate | 2014 |
| Svalbard Utleieselskap AS | Real estate | 2005 |
| Svalbard Vibe AS | Wholesale & retail | 2025 |
| Svalbard Villmarksenter AS | Arts & recreation | 1999 |
| Svalbard Wildlife Eiendom AS | Real estate | 2021 |
| Svalbard Wildlife Expeditions AS | Arts & recreation | 2007 |
| Svalbard Yoga AS | Education | 2017 |
| Svalbardjewels AS | Manufacturing | 2023 |
| Svalbardposten AS | Information & communication | 1996 |
| Svalr AS | Manufacturing | 2023 |
| Sverdrupbyen AS | Administrative & support | 2001 |
| Systua I Nord AS | Other services | 2018 |
| Store Norske Spitsbergen Kulkompani AS | Mining & quarrying | 1916 |
| Telenor Svalbard AS | Information & communication | 1995 |
| TFS AS | Arts & recreation | 2018 |
| Tom Warner AS | Professional & scientific | 2021 |
| Transpolar AS | Professional & scientific | 2021 |
| Transporten 2021 AS | Real estate | 2021 |
| True North - Arctic Guide Service Ekeblad AS | Administrative & support | 2022 |
| Tverrådalstind AS | Financial services | 2014 |
| Ulla Arctic AS | Administrative & support | 2013 |
| Unis CO2 Lab AS | Professional & scientific | 2011 |
| Universitetssenteret På Svalbard AS | Education | 2002 |
| Veglaget Bolterdalen HG8 SA | Real estate | 2020 |
| Vei 505 2-13 AS | Real estate | 2023 |
| Veterinær Tone Heide AS | Professional & scientific | 2020 |
| Viewscape AS | Arts & recreation | 2021 |
| Visit Svalbard AS | Administrative & support | 2001 |
| VVS Service AS | Construction | 2012 |
| Whiteout Svalbard AS | Administrative & support | 2026 |
| Wildlife Holding AS | Hospitality | 2019 |
| Wildphoto Travel AS | Administrative & support | 2020 |
| Wingnut Holding AS | Real estate | 2016 |