| Hatmos Invest AS | | 2021 |
| Haucon Vest AS | Wholesale & retail | 2003 |
| Hav Trafikkskole AS | Education | 2018 |
| Havand Invest AS | Financial services | 2012 |
| Havbryn Holding AS | Agriculture & fishing | 2022 |
| Havella Kystfiske AS | Agriculture & fishing | 2020 |
| Havfisk AS | Agriculture & fishing | 2006 |
| Havland Eiendom AS | Real estate | 2020 |
| Havmos AS | Wholesale & retail | 2022 |
| Havnegjerde Dagligvarer AS | Wholesale & retail | 2023 |
| Havneleif Invest AS | | 2025 |
| Havnevik AS | Professional & scientific | 1976 |
| Havnevik Eiendom AS | Professional & scientific | 2011 |
| Havservice Eiendom AS | Real estate | 2017 |
| Havskjer AS | Agriculture & fishing | 1993 |
| Havskue Opplæringssenter AS | Education | 2018 |
| Havskue Studiesenter AS | Education | 2025 |
| Havstål AS | Agriculture & fishing | 2012 |
| Havutsikta AS | Real estate | 2010 |
| Hawk Equity AS | | 2025 |
| Hawkes Health Solutions AS | Information & communication | 2026 |
| HB Investering AS | Financial services | 2017 |
| HC Haugen AS | | 2022 |
| Hcr-Rh Invest AS | Manufacturing | 2005 |
| HD Invest AS | Administrative & support | 2001 |
| Hdmo Holding AS | | 2022 |
| Heading AS | Professional & scientific | 2015 |
| Hebor Invest AS | | 2021 |
| Hecla AS | Wholesale & retail | 2017 |
| Hege Godø AS | | 2024 |
| Heggøy & Skar AS | Real estate | 2021 |
| Hegi Invest AS | Professional & scientific | 2018 |
| Heidi Haram AS | Professional & scientific | 2024 |
| Heimdalen Barnehage SA | Education | 2000 |
| Heimegut AS | Wholesale & retail | 2017 |
| Heimekontoret Invest AS | | 2024 |
| Heimgarden AS | | 2020 |
| Heis 24 AS | Financial services | 2013 |
| Heisplan AS | Construction | 2021 |
| Heispro AS | Wholesale & retail | 2024 |
| Heldag AS | Professional & scientific | 2020 |
| Helin Da-Vinci AS | Hospitality | 2008 |
| Heliw AS | Professional & scientific | 2025 |
| Hellebro AS | Real estate | 1989 |
| Hellebroa Restaurant AS | Hospitality | 2023 |
| Hellevik Studio AS | Information & communication | 2016 |
| Hellevik Transport AS | Transport & logistics | 2018 |
| Helsehub Ålesund AS | Arts & recreation | 2024 |
| Helzar Holding AS | Wholesale & retail | 2012 |
| Henrik Aasestrand AS | Wholesale & retail | 2022 |
| Henrik Hoff JR AS | Real estate | 1990 |
| Hera Holdings AS | | 2020 |
| Hereri Invest AS | Information & communication | 2011 |
| Heretec Ltd Nuf | Professional & scientific | 2008 |
| Herfjord AS | Real estate | 2012 |
| Hermannsverk Eiendom AS | Real estate | 2024 |
| Hessa Mekaniske AS | Manufacturing | 1999 |
| Hessafjord Invest AS | | 2017 |
| Hessen Eiendom AS | Real estate | 2005 |
| Hexagon Composites ASA | Administrative & support | 1985 |
| Hexagon Raufoss AS | Manufacturing | 2002 |
| Hexagon Technology AS | Administrative & support | 2004 |
| HFB Holding AS | | 2026 |
| HHC AS | Arts & recreation | 2018 |
| Hhe Holding AS | | 2024 |
| HHH Eiendom AS | Wholesale & retail | 2014 |
| Hhkh Invest AS | | 2024 |
| Hi-Bygg AS | Construction | 2020 |
| Hi-Eiendom AS | Real estate | 2007 |
| Hi-Lux Led Lighting AS | Wholesale & retail | 2013 |
| High Note AS | Professional & scientific | 2026 |
| Highgate AS | | 2023 |
| Highrise AS | Wholesale & retail | 2020 |
| Hik Holding AS | | 2021 |
| Hillshore Holding AS | | 2011 |
| Himalaya Møre AS | Wholesale & retail | 2025 |
| Himalayan Wood Systems Da | Professional & scientific | 2017 |
| Himla Liv AS | | 2021 |
| Himla Styr AS | | 2020 |
| Himmel Og Hav Filmproduksjon AS | Information & communication | 2026 |
| Himmeltinden AS | Professional & scientific | 2009 |
| Hira Hakan AS | Hospitality | 2016 |
| Hiyr AS | Agriculture & fishing | 2016 |
| Hjallismarka AS | Real estate | 2026 |
| Hjelme Bilservice AS | Other services | 2001 |
| Hjelvik Betongsaging AS | Construction | 2001 |
| Hjertestrikk AS | Wholesale & retail | 2017 |
| Hjørundfjord Panorama AS | Real estate | 2019 |
| Hl.Skjong AS | Wholesale & retail | 2015 |
| Hl.Skjong Solutions AS | Wholesale & retail | 2018 |
| HMK Bygg AS | Construction | 2021 |
| Hodl Sec AS | | 2025 |
| Hoel & Lilleeide Da | Construction | 1999 |
| Hoel Rør AS | Construction | 2025 |
| Hoffmannsgården AS | Real estate | 2010 |
| Hofseth Aalesund AS | Manufacturing | 2015 |
| Hofseth Aqua AS | Agriculture & fishing | 1975 |
| Hofseth Aqua Property AS | Real estate | 2023 |
| Hofseth Biocare ASA | Manufacturing | 2009 |
| Hofseth Bygg Og Eiendom AS | Real estate | 2007 |