| Hafrsby Bolig AS | Real estate | 2022 |
| Hafrsby Utvikling AS | Real estate | 2010 |
| Hafrsfjord Green Datacenter AS | Information & communication | 2024 |
| Haga Elektro AS | Construction | 2010 |
| Haga Fritid AS | Administrative & support | 2026 |
| Haga Installasjon AS | Construction | 2013 |
| Hagatoppen Gård Da | Agriculture & fishing | 2013 |
| Hagestein AS | Wholesale & retail | 2015 |
| Haha AS | Real estate | 2025 |
| Hahh AS | Information & communication | 2024 |
| Hair & There Invest AS | Other services | 1998 |
| Hair & There Sandved AS | Other services | 2020 |
| Hair & There Stavanger AS | Other services | 2010 |
| Hair by M AS | Other services | 2018 |
| HALL123 AS | Real estate | 2021 |
| Halo Eiendom AS | Real estate | 2004 |
| Haltian AS | Information & communication | 2020 |
| Halvorsen Investering AS | Construction | 2005 |
| Hammeren Ventures AS | | 2026 |
| Hamre Auto AS | Wholesale & retail | 2022 |
| Hana Autosenter AS | Wholesale & retail | 2002 |
| Hana Fysioterapi Da | Health & social care | 2010 |
| Hana Invest AS | Financial services | 2018 |
| Hana Mat AS | Wholesale & retail | 2022 |
| Hanabryggene Teknologisenter AS | Real estate | 2000 |
| Hanadalen Legesenter AS | Health & social care | 2017 |
| Handel Partner AS | | 2006 |
| Handeland Invest AS | | 2021 |
| Handelshuset Alexander AS | | 1992 |
| Handl AS | Wholesale & retail | 2015 |
| Hanne Bru AS | Wholesale & retail | 2025 |
| Hans Martin Ågotnes Invest AS | | 2025 |
| Hans Og Grete Barnehage SA | Education | 1991 |
| Hansa Auto AS | Wholesale & retail | 2003 |
| Hansa Auto Eiendom AS | Real estate | 2022 |
| Hanta AS | Financial services | 2014 |
| Happy Chickens AS | | 2023 |
| Happy Days Invest AS | | 2021 |
| Harald Gundersen AS | Professional & scientific | 2013 |
| Harald Nilsen AS | Wholesale & retail | 2002 |
| Harestad Hårstudio AS | Other services | 2020 |
| Hari AS | Health & social care | 2025 |
| Harlema AS | Wholesale & retail | 2001 |
| Harmonic AS | Other services | 2021 |
| Harmonic Egg AS | Other services | 2021 |
| Harmonien Invest AS | Real estate | 2021 |
| Hashani Stasjonsdrift AS | Wholesale & retail | 2021 |
| Haso Invest AS | Health & social care | 2018 |
| Hassel Solar Design AS | Professional & scientific | 2023 |
| Hassel Solar Holding AS | Professional & scientific | 2022 |
| Hasselvik Invest AS | Real estate | 2013 |
| Hasto Invest AS | Financial services | 2005 |
| Hatleveien 15 AS | Real estate | 2022 |
| Haugaland Engros AS | Real estate | 2013 |
| Haugland Tilhenger AS | Wholesale & retail | 2019 |
| Hauglid Invest AS | | 2022 |
| Hauglids Holding AS | | 2022 |
| Haugsland AS | Manufacturing | 2008 |
| Haugsland Holding AS | Real estate | 2010 |
| Haukaas Consulting AS | Mining & quarrying | 2020 |
| Haukaas Eiendom & Invest AS | Real estate | 2020 |
| Haukalid Bygg AS | Construction | 2005 |
| Haun Energy AS | Professional & scientific | 2019 |
| Hav Energy LNG AS | | 2022 |
| Hav Energy LNG Holding AS | | 2023 |
| Hav Energy LNG II AS | | 2023 |
| Hav Energy LNG Topco AS | | 2025 |
| Havarsa Holding AS | Information & communication | 2016 |
| Havator AS | Administrative & support | 2002 |
| Havbrukskompaniet AS | Professional & scientific | 2018 |
| Haven Rigco AS | Mining & quarrying | 2024 |
| Havik Bolig AS | Construction | 2026 |
| Havnegata 9B AS | Real estate | 2018 |
| Havpet AS | | 2020 |
| Havsjø AS | Administrative & support | 2004 |
| HB Fysio AS | Health & social care | 2022 |
| HB Sats AS | | 2025 |
| Hbc-Radiomatic Norge AS | Wholesale & retail | 2009 |
| HBIF2022 AS | Construction | 2022 |
| HBS Prosjekt AS | Professional & scientific | 2009 |
| Hci - Hotell Contract Interiør AS | Wholesale & retail | 2004 |
| Hcpet AS | Wholesale & retail | 2015 |
| Head Energy Branncon AS | Professional & scientific | 2008 |
| Head Energy Nexus AS | Professional & scientific | 2023 |
| Heb Invest AS | Financial services | 2011 |
| Hebi AS | Real estate | 2013 |
| Hebnes Invest AS | | 2025 |
| Hedato AS | | 2016 |
| Heden Holding AS | Wholesale & retail | 2005 |
| Hegdal Trav AS | Arts & recreation | 2024 |
| Hegee Holding AS | | 2024 |
| Heggen Bolig AS | Real estate | 2025 |
| Heggen Holding AS | | 2025 |
| Hegre Auto AS | Wholesale & retail | 1986 |
| Hegre JR. AS | | 2022 |
| Hegreberg AS | | 2021 |
| Heiamyra 11 AS | Real estate | 1986 |
| Heiasvingen Eiendom AS | Real estate | 2008 |
| Heidelberg Materials Tilslag Norge AS | Mining & quarrying | 1981 |
| Heigre Maskin AS | Agriculture & fishing | 2012 |