| Hma Buss AS | Transport & logistics | 2012 |
| Hma Innovation AS | | 2023 |
| Hmam AS | Professional & scientific | 2026 |
| Hmbøhler Invest AS | Financial services | 2018 |
| Hmcbh AS | | 2018 |
| HMD AS | | 2018 |
| Hme Holding AS | Real estate | 2010 |
| HMF Consulting AS | Professional & scientific | 2013 |
| HMG AS | Financial services | 2005 |
| HMG Bygg & Eiendom AS | Real estate | 2025 |
| HMG Capital Holdings AS | Real estate | 2023 |
| HMG Helse AS | Health & social care | 2025 |
| HMH Bakeri AS | Wholesale & retail | 2022 |
| HMH Cement Oslo AS | Wholesale & retail | 2024 |
| HMH Consulting AS | | 2011 |
| HMH Data ANS | Information & communication | 1988 |
| Hmhs Holding AS | | 2022 |
| HMK Holding AS | | 2023 |
| HML AS | | 2026 |
| HMM Agency (Norway) AS | Transport & logistics | 2017 |
| HMM Holding AS | | 2017 |
| HMM Kontordrift AS | Administrative & support | 2022 |
| Hmmokay AS | | 2022 |
| Hmoen Holding AS | | 2018 |
| Hmri Holding AS | | 2025 |
| HMS Capital AS | | 2021 |
| HMS Innovasjon AS | Health & social care | 2012 |
| HMS Kjemi Consulting Norway AS | Professional & scientific | 2023 |
| HMS Opplæringen Norge AS | Education | 2014 |
| Hms-Butikken AS | Wholesale & retail | 2015 |
| Hms-Holding AS | Information & communication | 2013 |
| Hmsdesign AS | Health & social care | 2018 |
| Hmsogard Consulting AS | Professional & scientific | 2025 |
| Hmspass AS | Professional & scientific | 2015 |
| Hmtec AS | Professional & scientific | 2019 |
| HMV 19 AS | Real estate | 2019 |
| HMV Eiendom AS | Real estate | 2021 |
| HMV Eiendomsinvest AS | Real estate | 2017 |
| Hmy Invest AS | | 2024 |
| HN Kulturdrift AS | Arts & recreation | 2023 |
| HN Service AS | Construction | 2019 |
| Hna Invest AS | Financial services | 2005 |
| HNB AS | Transport & logistics | 2020 |
| HNB Eiendom AS | Real estate | 2026 |
| HNB Invest AS | | 2025 |
| Hnhb AS | Real estate | 2019 |
| HNHV1 AS | Real estate | 2019 |
| Hni AS | Real estate | 2021 |
| HNM AS | Health & social care | 2019 |
| HNM Invest AS | | 2026 |
| Hno Invest AS | | 2021 |
| HNP 4 AS | Real estate | 2015 |
| HNP 5 AS | Real estate | 2015 |
| HNP 7 AS | Real estate | 2018 |
| HNP Holding AS | Real estate | 2015 |
| HNS Invest AS | Financial services | 2015 |
| Hnso Holding AS | | 2022 |
| Hnss Holdco AS | | 2024 |
| Hnvg AS | Professional & scientific | 2021 |
| Ho Consulting AS | Professional & scientific | 2016 |
| Ho Ho Holding AS | | 2024 |
| Ho Investment AS | | 2025 |
| Ho Myklebust AS | | 2026 |
| Hoa AS | | 2023 |
| Hoang & Johnsen AS | Wholesale & retail | 2025 |
| Hoang AS | Professional & scientific | 2022 |
| Hoang Holding AS | | 2024 |
| Hoang Tran Invest AS | Wholesale & retail | 2022 |
| Hob Advokatfirma AS | Professional & scientific | 2025 |
| Hob AS | Financial services | 2017 |
| Hob Sweden Nuf | Wholesale & retail | 2023 |
| Hoba's Backline AS | Administrative & support | 1997 |
| Hobbart Invest AS | | 2022 |
| Hobbelin AS | Professional & scientific | 2020 |
| Hobbybarna AS | Wholesale & retail | 2025 |
| Hobbykunst Norge AS | Wholesale & retail | 2015 |
| Hobergvn. 147 Ottestad AS | Real estate | 2011 |
| Hobling AS | Financial services | 2018 |
| Hobo Oslo AS | Hospitality | 2001 |
| Hobodil AS | Arts & recreation | 2025 |
| Hobojo AS | Financial services | 2018 |
| Hobs Holding AS | Wholesale & retail | 2021 |
| Hoc Oslo AS | Professional & scientific | 2024 |
| Hockey Holdco AS | Construction | 2020 |
| Hockey Oslo AS | Wholesale & retail | 2025 |
| Hockeystick Impact AS | Professional & scientific | 2023 |
| Hoco Eiendom AS | Real estate | 2021 |
| Hocus Focus AS | Information & communication | 2006 |
| Hocus Focus Da | Manufacturing | 1999 |
| Hod Aboveco AS | Financial services | 2022 |
| Hodad Group AS | | 2026 |
| Hodan AS | Arts & recreation | 2024 |
| Hoddmime AS | Financial services | 2014 |
| Hodegos AS | Professional & scientific | 1994 |
| Hodejegerne AS | Administrative & support | 2002 |
| Hodl My Beer AS | | 2024 |
| Hodla AS | Information & communication | 2018 |
| Hodor Holding AS | Information & communication | 2019 |
| Hodt Living Invest AS | | 2025 |
| Hoegs Holding AS | Professional & scientific | 2019 |