| Destinasjon Torghatten AS | Arts & recreation | 2026 |
| Ditlefsen Fiskeriselskap AS | Agriculture & fishing | 2008 |
| Dont Be Negative AS | Professional & scientific | 2022 |
| Dorra Eiendom 2 AS | Real estate | 2021 |
| Dorra Eiendom AS | Real estate | 2021 |
| Drevland AS | Professional & scientific | 2014 |
| Dutte Eiendom AS | Construction | 2011 |
| Dybos Fisk AS | Agriculture & fishing | 2004 |
| Eas & Eftf AS | | 2020 |
| Egilm Holding AS | | 2026 |
| Eignar Holding AS | | 2025 |
| Elektriker 1 Brønnøysund AS | Construction | 2017 |
| Elfro AS | | 2023 |
| Engelsnes Holding AS | | 2025 |
| Erling Reizer AS | | 2021 |
| Erolf Holding AS | | 2021 |
| Espen Olsen Sætervik | Arts & recreation | 2013 |
| Estensens Eiendom AS | Real estate | 1993 |
| Excel Eiendom AS | Real estate | 2021 |
| Excel Group AS | Real estate | 2015 |
| Fagerland Logistics AS | Water & waste | 2020 |
| FCS Vega AS | Administrative & support | 2014 |
| FDM Holding AS | | 2019 |
| Fjellsøy AS | | 2025 |
| Fjellsøya Barnehage AS | Education | 2010 |
| Flatøy Gruppen AS | Other services | 2015 |
| Float Topco AS | | 2022 |
| Flore Eiendom AS | Real estate | 2011 |
| Flore Energibygg AS | Professional & scientific | 2013 |
| Flyco AS | Transport & logistics | 2021 |
| Flyplassveien 1 AS | Real estate | 2021 |
| Forsamlingslokalet Brønnøysund SA | Real estate | 1909 |
| Foxy Frisør AS | Other services | 2002 |
| Freshbrands AS | Wholesale & retail | 2022 |
| Frøiland Automasjon AS | Construction | 2023 |
| G. Ingebrigtsen Service AS | Construction | 2020 |
| G.Sørensen AS | Wholesale & retail | 2022 |
| Gamlebyen Boligselskap AS | Real estate | 2025 |
| Geir Arne Sandøys Service AS | Transport & logistics | 2026 |
| Geir Ivars Bilhjelp AS | Other services | 2013 |
| Gladborg AS | Financial services | 2016 |
| GLF Invest AS | | 2022 |
| Glød Hudterapi AS | Other services | 2023 |
| Gullvik Intarc AS | Professional & scientific | 2024 |
| Gullvika Eiendom AS | Real estate | 2024 |
| H C Torgnes AS | | 2021 |
| Halland Fysioterapi Og Coaching AS | Health & social care | 2023 |
| Hallaraune Jenssen Holding AS | | 2025 |
| Handelshuset Brønnøysund AS | Wholesale & retail | 2019 |
| Hands on AS | Information & communication | 2019 |
| Handverksentret AS | Real estate | 2014 |
| Haneseth VVS Brønnøysund AS | Construction | 2023 |
| Hannekam AS | Other services | 2017 |
| Haraldsvik Maritim AS | Agriculture & fishing | 2009 |
| Hati Holdco AS | Transport & logistics | 2020 |
| Hauerslevgården AS | Real estate | 1991 |
| Havbruket AS | Real estate | 2022 |
| Havida AS | Agriculture & fishing | 2018 |
| Havørn Da | Transport & logistics | 2003 |
| HBB Utvikling AS | Real estate | 2025 |
| Heiny AS | | 2019 |
| Helgeland Blikk AS | Construction | 2026 |
| Helgeland Bygg AS | Construction | 2002 |
| Helgeland Malerservice AS | Construction | 2008 |
| Helgeland Marine Næringspark AS | Real estate | 2022 |
| Helgeland Medisinske Senter AS | Health & social care | 2021 |
| Helgeland Miljøfisk AS | Agriculture & fishing | 2019 |
| Helgeland Sauna AS | Other services | 2026 |
| Helgeland Sikkerhet AS | Wholesale & retail | 2020 |
| Helgeland Sushi 2 AS | Hospitality | 2022 |
| Helgeland Trafikkskole AS | Education | 2024 |
| Helgeland Ventilasjonsrens AS | Construction | 2019 |
| Helo AS | Administrative & support | 2025 |
| Hermes AS | Real estate | 1998 |
| Hestø & Karlsen Eiendom Og Transport Da | Real estate | 2002 |
| Hestø Og Karlsens Transport AS | Transport & logistics | 1993 |
| Hifo Invest AS | Real estate | 2005 |
| Hildurs Urterarium AS | Hospitality | 2011 |
| Hillha AS | | 2020 |
| Hjulstad-Bygg AS | Construction | 2012 |
| Hms-Senteret Helgeland Da | Education | 1996 |
| Holdco 2 AS | | 2024 |
| Home-Kan Thai Food AS | Hospitality | 2024 |
| Hommellien Eiendom AS | Real estate | 2013 |
| Horn Elektro AS | Construction | 2022 |
| Horn Gass AS | Professional & scientific | 2011 |
| Horta Finans AS | | 2021 |
| Hot Wheels AS | Wholesale & retail | 2008 |
| Hovøyveien 8 AS | Real estate | 2022 |
| Hybelhuset AS | Real estate | 1994 |
| Høvik Og Kroknes Da | Real estate | 2009 |
| Høyland Bil AS | Other services | 2012 |
| Icosatech AS | Information & communication | 2025 |
| Industribakken 5 AS | Real estate | 2022 |
| Inter Nordisk Rent Ans | Administrative & support | 2006 |
| Intera AS | Education | 1992 |
| Ivar & Trygves Bilverksted AS | Other services | 1994 |
| Iversen Fiskeriselskap AS | Agriculture & fishing | 2023 |
| J-K Holding AS | Real estate | 2015 |
| Jac Moe AS | Real estate | 1965 |