| A Johansen AS | Manufacturing | 1978 |
| Arena Querini AS | Administrative & support | 2022 |
| AS Glea | Manufacturing | 1936 |
| Atlantic Delights AS | Wholesale & retail | 2015 |
| Bacassa Seaweed AS | Agriculture & fishing | 2021 |
| Bakklund Kystfiske AS | Agriculture & fishing | 2021 |
| Bergefisk AS | Agriculture & fishing | 2017 |
| Brødrene Greger Invest AS | Financial services | 2005 |
| Caya Expo AS | Manufacturing | 2022 |
| Cod Seafresh AS | | 2015 |
| Det 8. Under AS | Other services | 2002 |
| Fjord Garden AS | Agriculture & fishing | 2023 |
| Froen AS | Professional & scientific | 2019 |
| GBJ Invest AS | | 2023 |
| Glea Eiendom AS | Real estate | 2026 |
| Glea Holding AS | Manufacturing | 2022 |
| Glea Salmon AS | Manufacturing | 2024 |
| Greger Invest AS | Financial services | 2024 |
| Haugens Himmel&Hav AS | Hospitality | 2025 |
| Hjalmar Ekrem Fiskeindustri AS | Manufacturing | 1995 |
| Håvard Og Maria Eiendom AS | Real estate | 2026 |
| Håvards Kystfiske AS | Agriculture & fishing | 2022 |
| Il Viaggio AS | Information & communication | 2019 |
| J Holm Holding AS | Professional & scientific | 1989 |
| Jma Johnsen Holding AS | Real estate | 2012 |
| Johansens Næringspark AS | Manufacturing | 2022 |
| Johansens Næringspark Holding AS | Manufacturing | 2022 |
| John Greger AS | Manufacturing | 1989 |
| Johnsen Maskin AS | Manufacturing | 2018 |
| JTM Invest AS | | 2023 |
| Jørn-Harald AS | Agriculture & fishing | 2016 |
| Kaikanten Eiendom Røst AS | Real estate | 2008 |
| Kårøya Hekkekoloni AS | Professional & scientific | 2025 |
| Lilleglea AS | Wholesale & retail | 1997 |
| Lofoten Northern Light AS | Manufacturing | 2004 |
| Logoped Rolf H Borge AS | Health & social care | 1996 |
| Louisiann AS | Hospitality | 2003 |
| Maber AS | Agriculture & fishing | 2023 |
| Majoco AS | Real estate | 2010 |
| Maskinentreprenør Knut Rolandsen AS | Construction | 2002 |
| Nordfangst Røst AS | Agriculture & fishing | 2013 |
| Partrederiet Røstjenta Da | Agriculture & fishing | 1995 |
| Querini AS | Other services | 1998 |
| Querini Pub Og Restaurant AS | Hospitality | 2000 |
| Radio Røst | Information & communication | 1995 |
| Ragnar Røymo AS | Agriculture & fishing | 2026 |
| Røst Andelslandbruk SA | Agriculture & fishing | 2020 |
| Røst Bryggehotell AS | Hospitality | 2000 |
| Røst Fiskeindustri AS | Manufacturing | 1993 |
| Røst Havfiske Camp AS | Administrative & support | 2012 |
| Røst Kystrederi AS | Agriculture & fishing | 2015 |
| Røst Rib AS | Administrative & support | 2018 |
| Røst Sjømat AS | Manufacturing | 1997 |
| Røst Trandamperi AS | Manufacturing | 1999 |
| Røst Transport AS | Transport & logistics | 2013 |
| Røstlandveien 45 AS | Real estate | 2023 |
| Skarven Event AS | Administrative & support | 2024 |
| TH Rosøy Invest AS | Agriculture & fishing | 2015 |
| TL Data AS | Wholesale & retail | 2008 |
| Tyvsøy Marin & Mekaniske AS | Manufacturing | 2018 |
| Underveis Da | Information & communication | 2005 |
| Vito Røst AS | Agriculture & fishing | 2025 |
| Zanzibar Nord AS | Wholesale & retail | 2018 |
| Øystein Røymo AS | Agriculture & fishing | 2026 |