| A Fagervold Holding AS | Transport & logistics | 2025 |
| Adrian Viken Holding AS | | 2021 |
| Afby AS | Information & communication | 2026 |
| Am Bygg AS | Construction | 2006 |
| Amundal Energi AS | Energy | 2013 |
| Amundal Fellesfjøs AS | Real estate | 2018 |
| Amundal Maskin AS | Construction | 2008 |
| Amundal Samdrift Da | Agriculture & fishing | 2018 |
| Amundal Utmarkslag SA | Real estate | 1998 |
| Ap-Bygg AS | Construction | 2012 |
| Arctic Bryggeri AS | Manufacturing | 2026 |
| Arne Syltern Invest AS | Financial services | 2005 |
| Arvid Staven AS | Professional & scientific | 2006 |
| Audun Strand Holding AS | | 2024 |
| Audun Viken Holding AS | | 2021 |
| Aurora Design & Media AS | Professional & scientific | 2008 |
| Axesto AS | Financial services | 2017 |
| B&B Parken AS | Wholesale & retail | 1984 |
| Berdal Og Møllslett Kraftlag AS | Energy | 1995 |
| Berget Eiendom AS | Real estate | 2003 |
| Bilteknikk AS | Other services | 2000 |
| Blomsterhjelpen AS | Administrative & support | 2025 |
| Boligstudioet AS | Professional & scientific | 2022 |
| Braseth Betong AS | Construction | 2025 |
| Brattgjerd Multiservice AS | Administrative & support | 2020 |
| Breivold Consult AS | Professional & scientific | 2017 |
| Breivold Vassverk SA | Water & waste | 2017 |
| Brit Helen AS | Professional & scientific | 2024 |
| Brødrene Sørdahl AS | Transport & logistics | 1985 |
| Bse AS | Real estate | 2020 |
| By Landbruk & Maskinlag AS | Construction | 2016 |
| Centrum-Eiendom AS | Real estate | 2012 |
| Corpus Massasje Og Muskelterapi AS | Health & social care | 2023 |
| D. Røed AS | Wholesale & retail | 2025 |
| Design-Frisør AS | Other services | 2011 |
| Din Erp Holding AS | Financial services | 2015 |
| Dte Maskin AS | Administrative & support | 2020 |
| Ebutikken Utvikling AS | Information & communication | 2019 |
| Egil a Stjern Maskinstasjon AS | Construction | 2003 |
| Eiendom Haugsnes AS | Real estate | 2022 |
| Erling Syltern Invest AS | | 2005 |
| Fagergård Eiendom AS | Real estate | 2007 |
| Fiske-Hjørnet AS | Wholesale & retail | 2011 |
| Fixpro AS | Construction | 2023 |
| Fjell & Grunnteknikk AS | Construction | 2021 |
| Flatlia Eiendom AS | Real estate | 2007 |
| Flenstad Gård AS | Health & social care | 2022 |
| Flenstad Holding AS | Real estate | 2018 |
| Forfot-Årbogen Skogsvei SA | Real estate | 1978 |
| Fosen Aktiv AS | Arts & recreation | 2019 |
| Fosen Biovarme AS | Energy | 2008 |
| Fosen Dekk & Motor AS | Wholesale & retail | 2020 |
| Fosen Facility Solutions AS | Professional & scientific | 2016 |
| Fosen Fjordhotell AS | Hospitality | 2014 |
| Fosen Hus Og Hytteservice AS | Construction | 2018 |
| Fosen Progresjon AS | Professional & scientific | 2025 |
| Fosen Vekst AS | Health & social care | 1988 |
| Fosen Vekst Holding AS | Health & social care | 2022 |
| Fosen Vekst Utvikling AS | Health & social care | 2022 |
| Fosen Verkstedsenter AS | Other services | 2008 |
| Frato AS | Real estate | 2020 |
| Fred Hanssen Invest AS | Manufacturing | 2005 |
| Frønes Eiendom AS | | 2020 |
| Get Holding AS | Real estate | 2005 |
| Grunneierlaget for Stordalsvatnet | Real estate | 1995 |
| Grøtting Vassverk SA | Water & waste | 1981 |
| H 10 Holding AS | | 2023 |
| Hallgeir Vingen AS | Construction | 2016 |
| Hamra Finans AS | Financial services | 2005 |
| Hansson AS | Agriculture & fishing | 2014 |
| Harald Stjern AS | Administrative & support | 1997 |
| Haugsnes Holding AS | Construction | 2022 |
| Helgest AS | | 2020 |
| Helsesats AS | Administrative & support | 2023 |
| Hema Rømma AS | Professional & scientific | 2019 |
| Herbasnavvel AS | Health & social care | 2017 |
| HH Environmental Solutions AS | Information & communication | 2021 |
| HM Skog AS | Agriculture & fishing | 2018 |
| Hos Oss - Catering & Selskapsmat AS | Hospitality | 2020 |
| Hubakkan Holding AS | Construction | 2022 |
| Hunter Frisør AS | Other services | 2021 |
| Hydro Auto AS | Wholesale & retail | 2025 |
| Hårstad AS | | 2016 |
| Hårstad Holding AS | Manufacturing | 2005 |
| Hårstad Moan Grunneierlag SA | Real estate | 1995 |
| Håvard S. AS | | 2017 |
| Img Foto AS | Professional & scientific | 2020 |
| Imsen Skogsvei SA | Real estate | 1971 |
| Industrigata 9 AS | Real estate | 2018 |
| Ivar Arnevik Bygg Og Snekkerverksted AS | Construction | 2015 |
| Iverøra Samdrift Da | Agriculture & fishing | 2007 |
| Jan Eide AS | Construction | 1992 |
| Jayaseela Holding AS | Health & social care | 2025 |
| JL Hammer AS | Professional & scientific | 2024 |
| Jo-Toppen SA | Other services | 1999 |
| Johs J Syltern AS | Construction | 1980 |
| Jon Arvid Pettersen AS | Agriculture & fishing | 2019 |
| Jon-Arvid Holding AS | | 2016 |
| June Viken Holding AS | | 2021 |
| K1 Eiendom AS | Real estate | 2025 |