| A. Fersnes AS | Agriculture & fishing | 2023 |
| Aqua Support AS | Agriculture & fishing | 2013 |
| Arctic Frisør AS | Other services | 2013 |
| Arctic Resource Norge AS | Wholesale & retail | 2011 |
| Arctic Wind AS | Energy | 1997 |
| AS Havøysund Hotell | Hospitality | 1973 |
| AS Isolfisk | Agriculture & fishing | 2020 |
| Astafjord Fiskeindustri A/S | Agriculture & fishing | 1986 |
| Aurora Fiskeri AS | Agriculture & fishing | 2015 |
| Bastus Invest AS | Agriculture & fishing | 2022 |
| Bjørn Og Kurts Transport Ans | Transport & logistics | 1996 |
| Blomsterservice AS | Wholesale & retail | 1998 |
| Brochmann AS | Agriculture & fishing | 2003 |
| Byggtorget Havøysund AS | Wholesale & retail | 2015 |
| Codfisk AS | Agriculture & fishing | 2020 |
| Concord Invest AS | Hospitality | 2005 |
| Coop Havøysund SA | Wholesale & retail | 1946 |
| Damika Hotell Eiendom AS | Real estate | 2018 |
| Domum Ad Mare AS | Administrative & support | 2024 |
| E-Va AS | Agriculture & fishing | 2016 |
| Eigeröy AS | | 2022 |
| Elvesletten AS | Real estate | 2017 |
| F.Mikalsen AS | Education | 2023 |
| Finnmark Service Og Utleie AS | Manufacturing | 2024 |
| Forretningsbygg AS | Real estate | 1985 |
| Frydenbø Yards Havøysund AS | Manufacturing | 2011 |
| Garpholmvika Stein AS | Mining & quarrying | 2022 |
| Gavekroken Ans | Wholesale & retail | 1990 |
| Geir H. Leite AS | Professional & scientific | 2014 |
| Geitingen AS | Agriculture & fishing | 2024 |
| GROWTH2GOAL AS | Professional & scientific | 2016 |
| Gullholmen AS | Agriculture & fishing | 2017 |
| Gullholmen Holding AS | Agriculture & fishing | 2017 |
| Halibut Fest AS | Arts & recreation | 2025 |
| Halvard Jørgensen AS | Real estate | 1994 |
| Harald Haagensen Trading AS | Wholesale & retail | 1983 |
| Havets Hus AS | Real estate | 1994 |
| Havets Smak AS | Hospitality | 2021 |
| Havøysund Autosenter AS | Wholesale & retail | 2004 |
| Havøysund Bunker AS | Wholesale & retail | 2016 |
| Havøysund Fisk AS | Manufacturing | 2021 |
| Havøysund Godsterminal AS | Transport & logistics | 2012 |
| Havøysund Maskin AS | Construction | 2003 |
| Havøysund Maskinservice AS | Construction | 2016 |
| Havøysund Sentrum AS | Real estate | 2022 |
| Havøysund Settefisk AS | Agriculture & fishing | 2014 |
| Havøysund Taxi AS | Transport & logistics | 2020 |
| Headway AS | | 2025 |
| Ihr Invest AS | Financial services | 2017 |
| Indre Buer AS | Real estate | 1997 |
| Ingrid Majala Holding AS | | 2021 |
| Ingøy Sjøhus Da | Hospitality | 2007 |
| Jardar Majala Holding AS | | 2018 |
| Joar Majala Holding AS | | 2018 |
| Johannes Majala Holding AS | | 2018 |
| Johansen & Sønner AS | Agriculture & fishing | 2013 |
| Johansen Fishing AS | Agriculture & fishing | 2014 |
| Kuth Eiendom AS | Hospitality | 2001 |
| Kvalvika Invest AS | | 2005 |
| Lelis Fisk Export Ans | Wholesale & retail | 2022 |
| Lillekvalvika Invest AS | | 2020 |
| Løya Sjø AS | Agriculture & fishing | 2025 |
| Mathisen Fiskebåtrederi AS | Agriculture & fishing | 1986 |
| Meier Finans AS | Professional & scientific | 2021 |
| Mekano Eiendom AS | Real estate | 1935 |
| Mikkelsen Fiskeriselskap AS | Agriculture & fishing | 2026 |
| Naturnær AS | Agriculture & fishing | 2026 |
| NHS Butikk AS | Wholesale & retail | 2026 |
| Njord J. AS | Agriculture & fishing | 2016 |
| Nord Hus Service AS | Wholesale & retail | 2019 |
| Nordhjørne AS | Administrative & support | 2026 |
| Nordic Sea Angling AB Nuf | Administrative & support | 2006 |
| Nordiq Multiservice AS | Construction | 2026 |
| North Aid AS | Wholesale & retail | 2020 |
| Notbøteriet AS | Manufacturing | 2006 |
| Nsa Rorbu Eiendom AS | Real estate | 2018 |
| Oxens Hav Og Sportfiske AS | Agriculture & fishing | 2026 |
| Printo AS | Agriculture & fishing | 2015 |
| Promotor AS | Agriculture & fishing | 2015 |
| Pure Nordic AS | Hospitality | 2010 |
| Ryggefjord Fiskebåtrederi AS | Agriculture & fishing | 1988 |
| S-Mikalsen AS | Agriculture & fishing | 2017 |
| Semajeth AS | Agriculture & fishing | 2025 |
| Silfaks Fiskebåtrederi AS | Agriculture & fishing | 2009 |
| Silfaks Kystfiske AS | Agriculture & fishing | 2020 |
| Silfaks Pelagisk AS | Agriculture & fishing | 2009 |
| Sjøfiske AS | Administrative & support | 2012 |
| SLH Eiendom AS | Real estate | 2017 |
| SLIPP1 Holding AS | Financial services | 2022 |
| Sommerveien Invest AS | | 2020 |
| Stabell Consult AS | Professional & scientific | 2001 |
| Stabells Havøy AS | Wholesale & retail | 2023 |
| Stabells Manufaktur AS | Wholesale & retail | 1987 |
| Stikkelvåg AS | Agriculture & fishing | 2001 |
| Tamo Fisk AS | Agriculture & fishing | 2022 |
| Titran AS | Agriculture & fishing | 2021 |
| Tobø Fisk AS | Manufacturing | 1997 |
| Trojoh AS | Agriculture & fishing | 1995 |
| Trøkk Profilering AS | Professional & scientific | 2026 |
| Tuga Kafe Ans | Hospitality | 2024 |