| Hermes Marine Services AS | Manufacturing | 2017 |
| Hermes Maskinering AS | Professional & scientific | 2012 |
| Hermes Mekaniske Verksted AS | Real estate | 2017 |
| Hertervig Forlag AS | Information & communication | 2026 |
| Hey Pal GmbH Nuf | Professional & scientific | 2026 |
| Hg-Byggservice AS | Construction | 2024 |
| Hindal Gård AS | Real estate | 2025 |
| Hinna Finans AS | Real estate | 2005 |
| Hitec Products Gruppen AS | Manufacturing | 2005 |
| Hjørnet AS | Real estate | 1987 |
| Hl-Industrier AS | Professional & scientific | 1987 |
| HMJ Invest AS | | 2020 |
| Hobby & Hage AS | Wholesale & retail | 1998 |
| Hodepinehjelpen AS | Health & social care | 2024 |
| Hognan Invest AS | Financial services | 2010 |
| Holding Ims AS | Professional & scientific | 2023 |
| Holsvik Holding AS | | 2026 |
| Holta & Håland Bilvaskutstyr AS | Wholesale & retail | 2007 |
| Holta & Håland Finans AS | Real estate | 2019 |
| Holta & Håland Industrier AS | Wholesale & retail | 1995 |
| Holta & Håland Safety AS | Professional & scientific | 2010 |
| Holta Holding AS | | 2019 |
| Hope Invest AS | Financial services | 2005 |
| Horace Eiendom AS | Real estate | 2023 |
| Horve DWH & Analytics AS | Information & communication | 2021 |
| Hove Bioenergi AS | Energy | 2018 |
| Hove Finans AS | Mining & quarrying | 2005 |
| HS Maskinservice AS | Manufacturing | 2021 |
| HTX Holding AS | | 2021 |
| Hunnedalen Va-Drift SA | Water & waste | 2015 |
| Hus Og Byggtegning AS | Professional & scientific | 2012 |
| Husa Investering AS | Other services | 2007 |
| Husabøryggen 7.3 AS | Real estate | 2013 |
| Huskd AS | Manufacturing | 2017 |
| Hypervekt AS | | 2025 |
| Håland Eiendom & Finans AS | Real estate | 1977 |
| Håland Instrumentering AS | Wholesale & retail | 2003 |
| Håland's Hagesenter AS | Wholesale & retail | 2006 |
| Høgt & Lågt Holding AS | | 2024 |
| Ida Koll-Frafjord AS | Health & social care | 2016 |
| Ija Holding AS | | 2019 |
| Ikm Hvac AS | Manufacturing | 2012 |
| Ikm Hvac Ex Equipment AS | Manufacturing | 2026 |
| Impress Media AS | Professional & scientific | 2025 |
| Impress Publisering AS | Professional & scientific | 1986 |
| Indikyte AS | | 2020 |
| Industrivegen 16 Jessheim AS | Real estate | 2019 |
| Ingvars Reiser AS | Transport & logistics | 1996 |
| Innvær Holding AS | Professional & scientific | 2009 |
| Intel Invest AS | Professional & scientific | 1999 |
| Intel Sampling AS | Professional & scientific | 1987 |
| Interlude Holding AS | Professional & scientific | 2012 |
| Investimo AS | | 2023 |
| Iso Rogaland AS | Administrative & support | 1988 |
| It-Orso AS | Information & communication | 2019 |
| J a Nilsen Holding AS | Real estate | 1988 |
| J&A Eiendom AS | Real estate | 2009 |
| J&G Dirdal AS | | 2024 |
| Ja-Li AS | Financial services | 2014 |
| Ja-Tech Holding AS | | 2024 |
| Jabri AS | Real estate | 2015 |
| Jafrsson Holding AS | Wholesale & retail | 2018 |
| Jakobsen Kapital AS | | 2025 |
| Jan Inge Håland Holding AS | Financial services | 2008 |
| Jan Øyvind Pedersen Holding AS | Wholesale & retail | 2020 |
| Jasr Holding AS | | 2025 |
| JBR - Eiendom AS | | 2011 |
| Jej Kapital AS | | 2019 |
| Jelsa Invest Randaberg AS | Other services | 2015 |
| Jensen & Rasmussen AS | Health & social care | 2008 |
| Jida AS | Agriculture & fishing | 2014 |
| JK Maling Og Renhold AS | Construction | 2016 |
| JKG Consulting AS | Professional & scientific | 2026 |
| JLG Holding AS | | 2019 |
| Jo Sørheim Holding AS | | 2024 |
| Jo-Va AS | Financial services | 2014 |
| Joen Holding AS | Real estate | 2019 |
| Johes Invest Ans | Administrative & support | 2017 |
| Joru Invest AS | Financial services | 2007 |
| Jorunns Holding AS | Real estate | 2010 |
| Joyce AS | Administrative & support | 2008 |
| Jrygg Holding AS | Real estate | 1992 |
| JS Consult AS | | 2023 |
| Juca Tunge AS | Real estate | 2006 |
| Junior Technologies AS | Information & communication | 2020 |
| Jupa AS | Professional & scientific | 2012 |
| JZR AS | | 2025 |
| Jæren Landbrukspark AS | Real estate | 2001 |
| K Løland Holding AS | | 2019 |
| K.Bø Maskin AS | Construction | 2014 |
| K2 Industri Service AS | Manufacturing | 2025 |
| K2 Montasje AS | Construction | 2025 |
| Kabriso AS | Real estate | 2006 |
| Kabritech AS | Professional & scientific | 2022 |
| Kaid AS | | 2021 |
| Kalles Transport AS | Transport & logistics | 2014 |
| Kamseen AS | Manufacturing | 2019 |
| Kardoesie AS | Manufacturing | 2024 |
| Karl Betong Og Bygg AS | Construction | 2018 |
| Karolines Klær AS | Wholesale & retail | 2012 |