| Hmi Eiendom AS | Real estate | 2015 |
| Hmi Haugland Marine Interior AS | Real estate | 1985 |
| Hmi Holding AS | Real estate | 2015 |
| Hms-Motivator AS | Health & social care | 2008 |
| HMT AS | Construction | 2019 |
| HMT Kjøp & Salg AS | Wholesale & retail | 2023 |
| HN Holding AS | Wholesale & retail | 2005 |
| Hob Entreprenør AS | Construction | 2014 |
| Hobbygoblins AS | Professional & scientific | 2018 |
| Hobbyhimmelen AS | Wholesale & retail | 2012 |
| Hodcon AS | Real estate | 1995 |
| Hodejeger Kristiansand AS | Administrative & support | 2024 |
| Hodne Bygg AS | Construction | 2007 |
| Hoel Digital AS | Professional & scientific | 2014 |
| Hoel Holdings AS | Wholesale & retail | 2014 |
| Hoff Sport Invest AS | Real estate | 2021 |
| Hogga & Ording AS | Arts & recreation | 2026 |
| Hogsnrods AS | Information & communication | 2023 |
| Hokus Pokus Kristiansand AS | Education | 2022 |
| Holbergs Gate 52B Da | Real estate | 2021 |
| Holbergsgate 9A AS | Real estate | 2011 |
| Holbergsgate Invest AS | Real estate | 2015 |
| Holding FRK Larsen AS | | 2017 |
| Holding IT AS | Information & communication | 2015 |
| Holding TNT AS | | 2024 |
| Holiday Home AS | Real estate | 2025 |
| Hollenderen AS | Real estate | 2008 |
| Holler Holdings AS | Information & communication | 2021 |
| Holler Records AS | Information & communication | 2021 |
| Holm Co Bygg AS | Construction | 2025 |
| Holskog Eiendom AS | Real estate | 2015 |
| Holskog Eiendom AS | Real estate | 2026 |
| Holskog Eiendom Holding AS | | 2026 |
| Holskog Invest AS | | 2017 |
| Holskogveien 52 Ans | Real estate | 2005 |
| Holskogveien 76 AS | Real estate | 2026 |
| Holskogveien 80 AS | Real estate | 2026 |
| Holst Bygg Og Service AS | Construction | 2025 |
| Holst Silketrykkeri AS | Manufacturing | 1998 |
| Holte Solution AS | Professional & scientific | 2024 |
| Holtskog Invest AS | Real estate | 2012 |
| Homarus AS | Agriculture & fishing | 2022 |
| Home Appliance Nordic AS | Wholesale & retail | 2007 |
| Home Plate AS | Information & communication | 2021 |
| Home Retail AS | Real estate | 2005 |
| Home-Share AS | Real estate | 2024 |
| Homeshare AS | Real estate | 2025 |
| Homeshare Da | Real estate | 2023 |
| Homeshare Portals AS | Information & communication | 2026 |
| Homme & Kastodden Holding AS | | 2025 |
| Homme Bygg AS | Construction | 2016 |
| Homme Eiendom AS | Real estate | 2022 |
| Homme Holding AS | Real estate | 2007 |
| Homni Eiendom AS | Real estate | 2010 |
| Honninglys.No AS | Manufacturing | 2021 |
| Hooklab AS | Arts & recreation | 2020 |
| Horni Consult AS | Administrative & support | 2026 |
| Hos Janne AS | Wholesale & retail | 2018 |
| Hoslemo Bygg AS | Construction | 2017 |
| Hosp Eiendom AS | Real estate | 2018 |
| Hotel Express International AS | Hospitality | 1989 |
| Hotel Express Norge AS | Hospitality | 1992 |
| Hotel Norge AS | Hospitality | 2001 |
| Hotel Parken AS | Hospitality | 2017 |
| House of Nuts AS | Professional & scientific | 2026 |
| Hovde-Drangsholt Holding AS | Manufacturing | 1992 |
| Hovden 41 AS | Real estate | 2024 |
| Hovden Dagligvarebygg AS | Real estate | 2005 |
| Hovden Hytteutvikling AS | Real estate | 2015 |
| Hovden Pizzadrift AS | Manufacturing | 2023 |
| Hovden Tomteselskap AS | Real estate | 2019 |
| Hovden Yvst 1 AS | Real estate | 2019 |
| Hovedbrygga AS | Information & communication | 2022 |
| Hovedfagsforum Og Studieveiledning Da | Information & communication | 2000 |
| Howe Robinson Partners Offshore AS | Professional & scientific | 2023 |
| HP Jacobsen Invest AS | Construction | 2019 |
| Hp-Invest AS | Real estate | 2021 |
| HR Eiendom AS | Real estate | 2015 |
| HR Løge AS | | 2023 |
| Hrdl AS | Professional & scientific | 2019 |
| HRH Eiendom AS | Real estate | 2024 |
| HS Malerfirma AS | Construction | 2015 |
| HSH AS | Construction | 2013 |
| HSH Eiendom AS | Real estate | 1987 |
| HSH Entreprenør AS | Construction | 1970 |
| HSH Finans AS | Construction | 2022 |
| HSH Forvaltning AS | Real estate | 2011 |
| HSH Tomteutvikling AS | Real estate | 2015 |
| HSH Utvikling AS | Real estate | 2014 |
| Hsha Tomteutvikling AS | Real estate | 2020 |
| HSL Ansattholding AS | | 2025 |
| HSM Holding AS | Real estate | 2008 |
| HTG Optikk AS | Health & social care | 2021 |
| HTH Kristiansand AS | Wholesale & retail | 2023 |
| Hthr Holding AS | | 2026 |
| Hudkonseptet AS | Health & social care | 2024 |
| Hudpleierinnen AS | Other services | 2024 |
| Hugo Holding AS | Real estate | 2014 |
| Hugo.Drift AS | Professional & scientific | 2022 |
| Hugo.Eiendom AS | Real estate | 2022 |