| Hudklinikken AS | Health & social care | 2023 |
| Hudkreft Da | Arts & recreation | 2021 |
| Hudlege Ana Soler AS | Health & social care | 2010 |
| Hudlege Anita Dhirad AS | Health & social care | 2017 |
| Hudlege Jon Anders Halvorsen AS | Health & social care | 2019 |
| Hudlege Li AS | Health & social care | 2021 |
| Hudlege Myhre AS | Health & social care | 2014 |
| Hudlege Ole Magne Kalgaard AS | Health & social care | 2017 |
| Hudlege Teresa Løvold Berents AS | Health & social care | 2022 |
| Hudlege Vestli AS | Health & social care | 2026 |
| Hudpleieakademiet AS | Education | 1996 |
| Hudpleiegrossisten AS | Wholesale & retail | 2012 |
| Hudpleiesenter AS | Other services | 2022 |
| Hudson Global Resources AS | Professional & scientific | 2007 |
| Hudtwalcker & Co AS | Wholesale & retail | 1922 |
| Huez AS | | 2022 |
| Hufa Holding AS | | 2022 |
| Hugall Consulting AS | Professional & scientific | 2022 |
| Hugall Invest AS | | 2021 |
| Hugfast AS | | 2022 |
| Hugg AS | Professional & scientific | 2011 |
| Huggenesveien AS | Real estate | 2015 |
| Hugil AS | Professional & scientific | 1988 |
| Hugin Advisors AS | Professional & scientific | 2023 |
| Hugin AS | Real estate | 1988 |
| Hugin Bolig AS | Real estate | 2021 |
| Hugin Equity AS | | 2022 |
| Hugin Invert AS | | 2026 |
| Hugin Og Munin Holding AS | Information & communication | 2020 |
| Hugintech AS | Information & communication | 2014 |
| Hugleik AS | | 2019 |
| Hugleo AS | Financial services | 2015 |
| Hugna AS | Information & communication | 2026 |
| Hugo AS | Information & communication | 2024 |
| Hugo Boss Scandinavia Nuf | Wholesale & retail | 2007 |
| Hugo Industridesign AS | Professional & scientific | 2007 |
| Hugo Invest AS | | 2021 |
| Hugo Invest Holding AS | Professional & scientific | 2018 |
| Hugo Jugo AS | Manufacturing | 2022 |
| Hugopugo AS | | 2023 |
| Hugprud AS | Real estate | 2007 |
| Hugr Holding AS | | 2025 |
| Hugskott Da | Professional & scientific | 2025 |
| Hugulia Holding AS | | 2022 |
| Huh Invest AS | Financial services | 2015 |
| Huhu AS | | 2020 |
| Huitfeldsgate 27 AS | Real estate | 2001 |
| Huitfeldt Holding AS | Education | 2005 |
| Huitfeldt-Kaas AS | Professional & scientific | 2005 |
| Huitfeldts Gate 15 AS | Real estate | 2016 |
| Huitfeldts Gate 19 AS | Real estate | 2025 |
| Huitfeldts Gate 30 AS | Real estate | 2021 |
| Huitfeldts Gate 9D AS | Real estate | 2000 |
| Huitfeldtsgate 9 AS | Real estate | 1981 |
| Huitfeldtsgate Fysikalse Institutt Ans | Health & social care | 2005 |
| Hukenveien 15 AS | Real estate | 2020 |
| Hukkelberg Invest AS | Wholesale & retail | 2005 |
| Hukset Edb AS | Information & communication | 2022 |
| Hula Animasjon AS | Information & communication | 2023 |
| Hulc AS | | 2026 |
| Huld AS | | 2021 |
| Hulda AS | Real estate | 1998 |
| Hulda Bunader AS | Professional & scientific | 2019 |
| Hulder Invest AS | Real estate | 2022 |
| Huldertun Invest AS | | 2020 |
| Huldervegen 2 AS | Real estate | 2007 |
| Huldra Bunader AS | Wholesale & retail | 2017 |
| Huldra Skog AS | Agriculture & fishing | 2015 |
| Huldrebakken AS | | 2026 |
| Huldreheim AS | Real estate | 2001 |
| Hulias AS | Arts & recreation | 2026 |
| Hulias Film AS | Information & communication | 2016 |
| Hulias Produksjon AS | Information & communication | 2024 |
| Hultafors Group Norge AS | Wholesale & retail | 2001 |
| Hultgreen Holding AS | Financial services | 2005 |
| Hultgren Holding AS | Other services | 2023 |
| Hultman Holding AS | | 2019 |
| Huma AS | Information & communication | 2013 |
| Huma Energy AS | Professional & scientific | 2023 |
| Huma Nova Nordiske Psykosyntesskolen I Norge | Education | 1999 |
| Human Assets Consulting Group AS | Professional & scientific | 2015 |
| Human Biomechanics AS | Arts & recreation | 2022 |
| Human Brights Engineering AS | Professional & scientific | 2021 |
| Human Capital AS | | 2025 |
| Human Capital Invest AS | Financial services | 2005 |
| Human Capital Partner AS | Professional & scientific | 2000 |
| Human Eiendom AS | Real estate | 1987 |
| Human Factors AS | Professional & scientific | 1993 |
| Human Health Education and Research Foundation Nuf | Other services | 2024 |
| Human Partner Norge AS | Health & social care | 1997 |
| Human Performance Development AS | Professional & scientific | 2012 |
| Human Rights Human Wrongs AS | Information & communication | 2016 |
| Human Solution AS | Health & social care | 2019 |
| Human Upskill Limited | | 2026 |
| Human Welfare Center AS | Real estate | 1997 |
| Human-Like AS | Information & communication | 2024 |
| Humana Elisenberg Consulting Da | Administrative & support | 1999 |
| Humanagement AS | Professional & scientific | 1990 |
| Humanfactory AS | Health & social care | 2025 |
| Humania AS | Real estate | 2018 |