| Dekklageret Mosjøen AS | Wholesale & retail | 2011 |
| Delta-Ray AS | Professional & scientific | 2024 |
| DFG AS | Real estate | 2023 |
| Diaq AS | Wholesale & retail | 2019 |
| Dicken AS | Transport & logistics | 2025 |
| Digidok AS | Construction | 2017 |
| Driftspartner AS | Real estate | 2003 |
| Driv Fysioterapi, Trening Og Dans AS | Health & social care | 2018 |
| Dyr Og Hobby AS | Wholesale & retail | 2026 |
| Dyr Og Hobby Nuf | Wholesale & retail | 2008 |
| E.G.O Holding AS | Real estate | 2022 |
| Ebw Holding AS | Administrative & support | 2021 |
| Eilakaisla Norge AS | Administrative & support | 2026 |
| Elias Leirvik AS | Wholesale & retail | 2022 |
| Elspector AS | Construction | 2024 |
| Endeavour Management AS | Professional & scientific | 2017 |
| FB Holding Sandnessjøen AS | Construction | 2012 |
| FB Invest Sandnessjøen AS | Real estate | 2012 |
| FD Møbeldesign AS | Professional & scientific | 2023 |
| Femur Bygg AS | Construction | 2014 |
| Femur Eiendom AS | Real estate | 2006 |
| Fettvett AS | | 2024 |
| FFV 51A AS | Real estate | 2012 |
| FFV 53 AS | Real estate | 2015 |
| Fish Care Solutions AS | Professional & scientific | 2020 |
| Fiwi AS | Real estate | 2021 |
| Flatøy Holding AS | Wholesale & retail | 2005 |
| Fli-D Frisør AS | Other services | 2024 |
| Fokus Norge Limited Nuf | Professional & scientific | 2011 |
| Fokus Synssenter AS | Health & social care | 2025 |
| Folgerø Holding AS | | 2018 |
| Forsland Holding AS | Real estate | 2010 |
| Fredly Panorama AS | Real estate | 2010 |
| Fri Sikt AS | Information & communication | 2018 |
| Frisørstua Team Be-Si AS | Other services | 2011 |
| FRK. Lovise AS | Hospitality | 2019 |
| Gartneriet Grythatten | Wholesale & retail | 1984 |
| Gartneriet Grythatten AS | Wholesale & retail | 1992 |
| Gaupen AS | Health & social care | 2023 |
| Genogl AS | Other services | 2026 |
| GJ Sprengstoff & Maskin AS | Manufacturing | 2011 |
| GKS Maskin AS | Administrative & support | 2020 |
| Go to Grill Sandnessjøen AS | Hospitality | 2026 |
| God På Gris AS | Professional & scientific | 2012 |
| Godwin Austen AS | Real estate | 2001 |
| Gompen Holding AS | Real estate | 2022 |
| Green Farming AS | Professional & scientific | 2015 |
| Grønvold She AS | Construction | 2014 |
| GT Holding Sandnessjøen AS | Real estate | 2013 |
| H Dalen AS | Wholesale & retail | 2002 |
| Hadfast AS | Professional & scientific | 2024 |
| Haki Sandnessjøen Ans | Arts & recreation | 2004 |
| Hald Eiendom AS | Real estate | 2004 |
| Hammerfall Invest AS | Construction | 2010 |
| Hamn Fritidshus AS | Real estate | 2004 |
| Hamnes Samdrift Da | Agriculture & fishing | 2000 |
| Handelshuset Nesna Eiendom AS | Real estate | 2022 |
| Handelshuset Sandnessjøen AS | Wholesale & retail | 2016 |
| Hansens Bilverksted AS | Wholesale & retail | 1999 |
| Haraballus Da | Administrative & support | 2007 |
| Harstad Vekst AS | Real estate | 2016 |
| Hauvik Holding AS | Real estate | 2010 |
| Havet AS | Professional & scientific | 2014 |
| Havnafestivalen AS | Arts & recreation | 2016 |
| Havnegata 11 AS | Real estate | 2019 |
| Havnegata 12 Sandnessjøen AS | Real estate | 2002 |
| HB Rør AS | Construction | 2024 |
| HB Rør Holding AS | | 2014 |
| Hebo Sandnessjøen AS | Real estate | 2005 |
| Helgeland Boligpartner AS | Construction | 2009 |
| Helgeland Distribusjon AS | Transport & logistics | 2022 |
| Helgeland Eiendom Og Utstyr AS | Administrative & support | 2018 |
| Helgeland Eiendomsservice AS | Construction | 1997 |
| Helgeland Kompetanse AS | Education | 2018 |
| Helgeland Kontrollservice AS | Professional & scientific | 2026 |
| Helgeland Loft AS | Real estate | 2019 |
| Helgeland Marine Service AS | Agriculture & fishing | 2023 |
| Helgeland Overflateteknikk AS | Manufacturing | 2013 |
| Helgeland Pyro AS | Wholesale & retail | 2018 |
| Helgeland Stasjonene AS | Wholesale & retail | 2021 |
| Helgeland Sushi AS | Hospitality | 2023 |
| Helgeland Taxi Service AS | Transport & logistics | 2020 |
| Helgeland Taxibåt AS | Transport & logistics | 2019 |
| Helgeland Tekstiler AS | Wholesale & retail | 2021 |
| Helgeland Trading AS | Wholesale & retail | 2016 |
| Helgeland Transport Service AS | Transport & logistics | 2016 |
| Helgeland V&M AS | Professional & scientific | 2008 |
| Helgeland Vakt Og Service AS | Administrative & support | 2014 |
| Helgeland Vekst AS | Real estate | 2004 |
| Helgelands Blad AS | Information & communication | 1980 |
| Helgelands Blad Drift AS | Information & communication | 2004 |
| Helgelandsbase Administrasjonsbygg AS | Real estate | 2009 |
| Helgelandsbase AS | Transport & logistics | 1996 |
| Helgelandsbase Holding AS | Transport & logistics | 2008 |
| Helgelandsfestivalene SA | Arts & recreation | 2020 |
| Helgelandsgruppen AS | Real estate | 2008 |
| Helin AS | Real estate | 1996 |
| Helix AS | Other services | 1997 |
| Hemi Invest AS | Real estate | 2022 |
| Henry Sørra Eiendom AS | Financial services | 2018 |