| Audun Nordbø AS | Construction | 2020 |
| Bjellandparken AS | Real estate | 2020 |
| Brenning AS | Professional & scientific | 2017 |
| Eldhug Adventures AS | Arts & recreation | 2021 |
| Elleveførtifira Ans | Hospitality | 2023 |
| Elleveførtifira AS | Hospitality | 2025 |
| Espen Bru AS | Financial services | 2017 |
| Galleri Lauritz Haaland Ans | Wholesale & retail | 1990 |
| Halsne Holding AS | Real estate | 2012 |
| Harhys AS | Wholesale & retail | 2005 |
| Heskja Consulting AS | Professional & scientific | 2024 |
| Hystad AS | Real estate | 2005 |
| Karlsen Utleie AS | Transport & logistics | 2009 |
| Karmsund Energy AS | Professional & scientific | 2022 |
| Karmsund Maritime AS | Manufacturing | 2017 |
| Karmsund Maritime Eide AS | Manufacturing | 1999 |
| Karmsund Maritime Group AS | Manufacturing | 2013 |
| Karmsund Maritime H AS | Manufacturing | 2017 |
| Karmsund Maritime Investment AS | Real estate | 2013 |
| Karmsund Maritime IT AS | Information & communication | 2021 |
| Karmsund Maritime Kvitsøy AS | Manufacturing | 2012 |
| Karmsund Maritime Offshore Production AS | Manufacturing | 2005 |
| Karmsund Maritime Offshore Supply AS | Manufacturing | 1999 |
| Kenhvi Invest AS | | 2021 |
| KM Kvitsøy AS | Real estate | 2015 |
| KM MHH AS | | 2020 |
| Knut Magne Nordbø Holding AS | Financial services | 2014 |
| Kopervik Havn AS | Real estate | 2019 |
| Kvitsøy Bobilutleie AS | Administrative & support | 2021 |
| Kvitsøy Event AS | Transport & logistics | 2021 |
| Kvitsøy Hushjelp AS | Health & social care | 2022 |
| Kvitsøy Kystfiske AS | Agriculture & fishing | 2023 |
| Kvitsøy Maritime Senter AS | Hospitality | 1986 |
| Kvitsøy Preserving AS | Real estate | 1923 |
| Kvitsøy Prosjekt AS | Real estate | 2010 |
| Kvitsøy Sjømat AS | Real estate | 2005 |
| Kvitsøy Sjøtjenester AS | Agriculture & fishing | 2011 |
| Kvitsøy Sydvest AS | Real estate | 2005 |
| Kvitsøy Ysteri Ans | Manufacturing | 2024 |
| Kvitsøylam SA | Administrative & support | 2022 |
| Kvitsøymur AS | Construction | 2025 |
| Kvitsøyopplevelser AS | Hospitality | 2021 |
| Lumiere Studio AS | Professional & scientific | 2023 |
| Ly-Sd AS | Professional & scientific | 2016 |
| Martin Nordbø Holding AS | Real estate | 2014 |
| Masterhaus AS | Administrative & support | 2025 |
| Meling AS | Manufacturing | 2001 |
| Melinggarden Eiendom AS | Real estate | 2014 |
| Modul Lekter AS | Administrative & support | 2022 |
| Newton Heath AS | | 2024 |
| Nordbø AS | Real estate | 2013 |
| Nordbø Maskin Ans | Construction | 1993 |
| Nordbø Maskin AS | Construction | 2013 |
| Nordbø Utleie AS | Construction | 2013 |
| Olsen Eiendom AS | Real estate | 1993 |
| Oppussing Og Sånn AS | Construction | 2016 |
| Sitomani AS | Wholesale & retail | 2020 |
| Skaparverket AS | Wholesale & retail | 2010 |
| Skjærastraen Eiendom AS | Real estate | 2007 |
| Smak Av Hav Operations and Tech AS | Information & communication | 2023 |
| Stangeland Utleie AS | Hospitality | 2016 |
| Sverre Møllegaard AS | Professional & scientific | 2015 |
| Tby Holding AS | Real estate | 2015 |
| Thomas Nordbø Holding AS | Real estate | 2014 |
| Trygve Lie Invest AS | | 2021 |
| Tveteraas AS | Real estate | 2006 |
| Vesterli Invest AS | Professional & scientific | 2004 |
| Vesterli Marine AS | Professional & scientific | 2008 |
| Ydstebø Byggtjenester AS | Construction | 2015 |
| Ydstebø Marine AS | Real estate | 2001 |
| Ydstebø Transport AS | Transport & logistics | 2010 |
| Ymas AS | Construction | 2003 |
| Åkra Sjømat AS | Wholesale & retail | 2024 |
| Østu-Stettin Hoch Und Tiefbau GmbH Nuf | Construction | 2020 |