| A.U. Bygg AS | Construction | 2009 |
| Acustus Eiendom AS | Real estate | 2023 |
| Acustus Haller AS | Wholesale & retail | 2003 |
| Acustus Holding AS | Professional & scientific | 2005 |
| Acustus Industri AS | Manufacturing | 2024 |
| Acustus Maskinering Og Hydraulikk AS | Manufacturing | 1999 |
| Acustus Sveis AS | Manufacturing | 1992 |
| Arctic Battery AS | | 2026 |
| E30 & MC Garage AS | Real estate | 2020 |
| Helland Holding AS | Real estate | 2005 |
| Helland Maskin & Transport AS | Construction | 2024 |
| JRS Eiendom AS | | 2020 |
| Kjelvikspillet AS | Arts & recreation | 2019 |
| KN Rør AS | Construction | 2023 |
| Lakselv Utmarkslag SA | Real estate | 2012 |
| Mpac Holding AS | | 2023 |
| Nordfjord Vannverk SA | Water & waste | 1989 |
| Nordland Bygg AS | Construction | 2020 |
| Ole Helland AS | Real estate | 1979 |
| Oljevedlikehold AS | Mining & quarrying | 1997 |
| Procedo Nor AS | Professional & scientific | 2006 |
| Rago Adventures AS | Arts & recreation | 2020 |
| Rago Camping Øyra AS | Hospitality | 2022 |
| Roald Normann Consulting AS | Professional & scientific | 2024 |
| Sagnes Holding AS | Financial services | 2020 |
| Salten Entreprenør & Eiendom AS | Construction | 2020 |
| Salten Entreprenør & Eiendom Holding AS | Construction | 2017 |
| Salten Entreprenør & Eiendom Holding AS | | 2026 |
| Salten Gaver Og Profilering AS | Wholesale & retail | 2012 |
| Salten Havneservice AS | Transport & logistics | 2022 |
| Salten Taxi AS | Transport & logistics | 2025 |
| Saltentakst AS | Real estate | 2018 |
| Sawness Connect AS | Professional & scientific | 2024 |
| SBJ Eiendom AS | Professional & scientific | 2009 |
| See 1 Holding AS | | 2026 |
| See Eiendom AS | Transport & logistics | 2022 |
| See Pukk & Grus AS | Mining & quarrying | 2020 |
| Sentrum 7 AS | Real estate | 2018 |
| SHS Eiendom AS | Real estate | 2004 |
| Simonsen Entreprenør AS | Construction | 2025 |
| Siso Energi AS | Energy | 2004 |
| Siso Vekst AS | Health & social care | 2004 |
| Sisomar AS | Agriculture & fishing | 2004 |
| Sisomar Smolt AS | Agriculture & fishing | 2023 |
| Skar/Sørfjord Grunneierlag SA | Real estate | 1997 |
| Straumen Maskin & Utleie AS | Construction | 2014 |
| Straumen Og Omegn Grunneierlag SA | Agriculture & fishing | 2026 |
| Straumen Ved Og Maskin AS | Agriculture & fishing | 2023 |
| Strømhaug Camping AS | Hospitality | 1995 |
| Sylvi Katrin AS | Education | 2014 |
| Sørfold Fysioterapi Da | Health & social care | 2011 |
| Sørfold Industriservice AS | Administrative & support | 1993 |
| Sørfold Sport AS | Real estate | 1991 |
| Tosb AS | Professional & scientific | 2026 |
| Ájddo AS | Arts & recreation | 2023 |