| Humania Eiendom AS | Real estate | 2021 |
| Humanist Forlag AS | Information & communication | 1995 |
| Humanistskolen AS | Education | 2010 |
| Humanity Plus AS | Education | 2025 |
| Humanova AS | Education | 2012 |
| Humble Invest AS | Professional & scientific | 2021 |
| Hume Invest AS | | 2026 |
| Humetrica AS | Professional & scientific | 2002 |
| Humin AS | Information & communication | 2013 |
| Humla Invest 2 AS | | 2025 |
| Humla Invest 3 AS | | 2025 |
| Humla Invest 4 AS | | 2025 |
| Humla Invest AS | Financial services | 2014 |
| Humle AS | Manufacturing | 1996 |
| Humle Invest AS | Professional & scientific | 2023 |
| Humlebo Holding AS | | 2024 |
| Humlehaugen Eiendom AS | Real estate | 2010 |
| Humlekjær AS | Information & communication | 2025 |
| Humlekjær Musikk AS | Arts & recreation | 2020 |
| Humlen & Helle Advokater AS | Professional & scientific | 2015 |
| Humlen Montessori Barnehage AS | Education | 1998 |
| Humlepungen AS | | 2024 |
| Humlesekken AS | Education | 2018 |
| Humlesus AS | | 2026 |
| Humletech AS | Financial services | 2018 |
| Humleveien AS | Real estate | 2017 |
| Hummelfilm AS | Information & communication | 2011 |
| Hummelsk AS | | 2023 |
| Hummelvika Vann Og Avløpslag - Drift SA | Water & waste | 2026 |
| Hummelvika Vann Og Avløpslag - Prosjekt SA | Water & waste | 2026 |
| Humming Bee AS | Hospitality | 2022 |
| Humming People AS | Arts & recreation | 2014 |
| Hummus Wine AS | Hospitality | 2023 |
| Humor Oo AS | Administrative & support | 2023 |
| Humornieu AS | Information & communication | 2014 |
| Humpback Holding AS | | 2017 |
| Hun Etablerer AS | Professional & scientific | 2020 |
| Hun Solo AS | Financial services | 2014 |
| Hunch Norge AS | Education | 2023 |
| Hund Holding AS | | 2026 |
| Hundal Bygg AS | Construction | 2018 |
| Hundal Consulting AS | Professional & scientific | 2024 |
| Hundal Holding AS | Real estate | 2023 |
| Hundal Hus 1 AS | Real estate | 2024 |
| Hundal Sub Ski AS | Hospitality | 2023 |
| Hundal Subway AS | Hospitality | 2024 |
| Hundeide Consulting AS | Information & communication | 2019 |
| Hundemoment AS | Other services | 2023 |
| Hundemoment.No AS | Other services | 2025 |
| Hundepasserne Fornebu AS | Other services | 2016 |
| Hundervegen 17-23 AS | Real estate | 2016 |
| Hundevaktpatruljen Da | Administrative & support | 1989 |
| Hundholmen Holdings AS | | 2024 |
| Hundihuset AS | Wholesale & retail | 2019 |
| Hundred Solutions AS | Information & communication | 2021 |
| Hundseth Capital AS | Financial services | 2018 |
| Hundskinnveien 97 Drift AS | Real estate | 2011 |
| Hundvåg Bensinstasjon AS | Real estate | 1972 |
| Hunemo AS | Health & social care | 2013 |
| Hung Huynh Holding AS | | 2021 |
| Hunger AS | Hospitality | 2001 |
| Hunger Spot AS | Hospitality | 2025 |
| Hungry Birds AS | Hospitality | 2022 |
| Hungry Holding AS | Information & communication | 2022 |
| Hungry Horse AS | Financial services | 2005 |
| Hungry Tiger AS | Hospitality | 2021 |
| Hunit AS | Information & communication | 2017 |
| Hunky Dory Holding AS | | 2022 |
| Hunky Dory Invest AS | Information & communication | 2022 |
| Hunkydory AS | Professional & scientific | 2016 |
| Hunndalen Gjøvik AS | Real estate | 2011 |
| Hunolt Centurio BV | Manufacturing | 2000 |
| Hunter and Florence AS | Professional & scientific | 2019 |
| Hunter Capital AS | | 2022 |
| Hunter Group ASA | Transport & logistics | 2003 |
| Hunter Grzegorz Potasz | Construction | 2013 |
| Hunter Holding AS | Real estate | 2013 |
| Hunter Holding II AS | Real estate | 2019 |
| Hunter Maritime Advisors AS | Transport & logistics | 2023 |
| Hunter Research AS | Professional & scientific | 2023 |
| Hunting Invest AS | | 2005 |
| Hunting Lodge AS | Wholesale & retail | 2011 |
| Hunton Eiendom Invest AS | Real estate | 2018 |
| Huntonstranda Drift AS | Real estate | 2011 |
| Huntsman Holland B. V. | Wholesale & retail | 2009 |
| Hunvik & Co AS | Construction | 2000 |
| Hunvik & Co Service AS | Construction | 1996 |
| Huong Nguyen Holding AS | Hospitality | 2011 |
| Hurd Holding AS | Financial services | 2024 |
| Hurdal Eiendom AS | Real estate | 1989 |
| Hurdal Hagetun 2 AS | Real estate | 2021 |
| Hurdalsjøen Hotel Og Konferansesenter AS | Real estate | 2005 |
| Hurricane Holding AS | Professional & scientific | 2013 |
| Hurry Home AS | Real estate | 2025 |
| Hurtig Holding AS | Professional & scientific | 2025 |
| Hurtig Service AS | Administrative & support | 2019 |
| Hurtig Service Nuf | Transport & logistics | 2013 |
| Hurtigbolig AS | Information & communication | 2022 |
| Hurtigruten AS | | 1991 |
| Hurtigruten Coastal Fleet AS | Transport & logistics | 2019 |