| Hildal Holding AS | Real estate | 2014 |
| Hildas Hage AS | Real estate | 1995 |
| Hilde 1609 AS | | 2021 |
| Hilde Aksnes Regnskapsbistand AS | Professional & scientific | 2023 |
| Hilde Bryhn AS | Professional & scientific | 2022 |
| Hilde Flesland Invest AS | Information & communication | 2020 |
| Hilde Heyden Holding AS | Health & social care | 2024 |
| Hilde Kristin Bækken AS | Health & social care | 2024 |
| Hilde Stoklasa AS | Administrative & support | 1991 |
| Hildegard Investments AS | | 2022 |
| Hildegunn AS | | 2020 |
| Hildegunn Invest AS | | 2005 |
| Hildeng Holding AS | Real estate | 2005 |
| Hilding Holding AS | | 2020 |
| Hildring Invest AS | Financial services | 2012 |
| Hiley Electric AS | Administrative & support | 2012 |
| Hili Residential Fund Norway 2025 AS | Financial services | 2025 |
| Hill AS | Administrative & support | 1998 |
| Hill Eiendom AS | Real estate | 2012 |
| Hill Holding AS | Financial services | 1996 |
| Hill Investering AS | Real estate | 2005 |
| Hill's Pet Nutrition Norway AS | Wholesale & retail | 2012 |
| Hillaas Holding AS | | 2021 |
| Hillaco AS | | 2017 |
| Hilland Studio AS | Information & communication | 2015 |
| Hillari AS | Information & communication | 2024 |
| Hillbu AS | | 2022 |
| Hillco Eiendom AS | Real estate | 1972 |
| Hillco Kulde AS | Wholesale & retail | 1990 |
| Hillcogruppen AS | Real estate | 1993 |
| Hillcrest AS | Professional & scientific | 2019 |
| Hille Arkitekter AS | Professional & scientific | 2025 |
| Hille Holding AS | | 2021 |
| Hille Invest AS | Financial services | 2005 |
| Hille Melbye Arkitekter AS | Professional & scientific | 1981 |
| Hille-Strandskogen Arkitekter AS | Professional & scientific | 2007 |
| Hillenstam Investments AS | | 2025 |
| Hilleren Næring 1 AS | Real estate | 2021 |
| Hilleren Næring 3 AS | Real estate | 2021 |
| Hilleren Næring 4 AS | Real estate | 2025 |
| Hilles AS | Wholesale & retail | 2020 |
| Hillesland & Tørum Ans | | 1988 |
| Hillestad Consulting AS | | 2012 |
| Hillesøy AS | | 2019 |
| Hillevi Studio AS | Professional & scientific | 2026 |
| Hillevågskvartalet AS | Real estate | 2015 |
| Hillevågskvartalet Invest AS | Real estate | 2021 |
| Hillnor AS | Real estate | 1967 |
| Hilltop Holding AS | Professional & scientific | 2017 |
| Hilltop Invest AS | Real estate | 2017 |
| Hillveig Torrissen AS | Real estate | 2010 |
| Hilma Invest AS | Financial services | 2017 |
| Hilmar & Sønn AS | Administrative & support | 2004 |
| Hilmo Holding AS | | 2026 |
| Hilow AS | Professional & scientific | 2021 |
| Hilp Invest AS | Financial services | 2017 |
| Hilrin Holding AS | | 2023 |
| Hils AS | Real estate | 2004 |
| Hilstad Capital AS | | 2021 |
| Hilto Holding AS | Financial services | 2007 |
| Hilton Dagligvare AS | Wholesale & retail | 2013 |
| Hilux AS | Arts & recreation | 2014 |
| Hilux Av AS | Information & communication | 2019 |
| Hilvest AS | | 2022 |
| Him Consulting AS | Financial services | 2017 |
| Hima Seafood AS | Real estate | 2020 |
| Hima Seafood Management AS | Agriculture & fishing | 2022 |
| Himalayan Holding AS | Professional & scientific | 2023 |
| Himalayan Kaffe AS | Hospitality | 2025 |
| Himalayanxtri AS | Administrative & support | 2020 |
| Himinn AS | | 2024 |
| Himkok Academy AS | Hospitality | 2025 |
| Himkok RTD AS | Manufacturing | 2023 |
| Himkok Standards AS | Professional & scientific | 2005 |
| Himla Rent Renhold AS | Administrative & support | 2026 |
| Himle AS | Wholesale & retail | 2023 |
| Himmelgraa Holding AS | Information & communication | 2023 |
| Himmelgraa Media AS | Information & communication | 2023 |
| Himmelskip AS | Information & communication | 2025 |
| Himmelsprett AS | Real estate | 2005 |
| Himmelsyn AS | Real estate | 2016 |
| Himmeltind Holding AS | Professional & scientific | 2008 |
| Hindu Gravferdsomsorg AS | Other services | 2026 |
| Hinkas Eiendom AS | Real estate | 2018 |
| Hinna Park Invest AS | Real estate | 2007 |
| Hinsch Holding AS | | 2025 |
| Hinsch Invest AS | | 2016 |
| Hinvest AS | Financial services | 2005 |
| Hio Group AS | | 2022 |
| Hio Xiv AS | Transport & logistics | 2006 |
| Hioasis AS | Professional & scientific | 2022 |
| Hiorth Holding AS | | 2021 |
| Hipa Utvikling AS | Real estate | 2022 |
| Hiparu Ans | Real estate | 2005 |
| Hipp Investering AS | | 2023 |
| Hippo AS | Real estate | 2005 |
| Hippo Consulting AS | Professional & scientific | 2016 |
| Hippogriff AS | Financial services | 2017 |
| Hipra Nordic Aps | Wholesale & retail | 2017 |
| Hiraeth Ventures AS | | 2021 |