| HLD 304 AS | Real estate | 2021 |
| Hobbykjelleren Lagunen AS | Wholesale & retail | 1997 |
| Hobema Invest AS | | 2019 |
| Hoders AS | Professional & scientific | 2022 |
| Holdcar AS | | 2016 |
| Holmedalsgården AS | Real estate | 1975 |
| Holtavegen Invest AS | Wholesale & retail | 2017 |
| Hopen AS | Real estate | 2013 |
| Hordnes Invest AS | | 2024 |
| Horgen Asset Management AS | | 2026 |
| Hospitality Consulting AS | Administrative & support | 2022 |
| Hovdaberget Holding AS | | 2025 |
| Hovedgaten 1 AS | Real estate | 2016 |
| HR Holding AS | Real estate | 2005 |
| HS Eiendomsdrift AS | Real estate | 2022 |
| HTH Kjøkken Bergen AS | Wholesale & retail | 2025 |
| Htsg Fritak AS | Real estate | 2022 |
| Htsg Holding AS | Real estate | 2022 |
| Htsg Sydnes AS | Real estate | 2022 |
| Huntress AS | Professional & scientific | 2020 |
| Hus Eiendom AS | Real estate | 2016 |
| Huset Raa AS | Wholesale & retail | 2017 |
| Husets Kjeks AS | Manufacturing | 2026 |
| Husgruppen AS | Real estate | 2005 |
| Hyttetrekk AS | | 2026 |
| Helge's Maskinstasjon A/S | Construction | 1987 |
| Håvard Breistein Fysioterapi AS | Health & social care | 2013 |
| Høyfjellspesialisten Ans | Administrative & support | 2025 |
| I Munoz Taxi AS | Transport & logistics | 2026 |
| Icon Skin Clinic AS | Health & social care | 2022 |
| Ictm AS | Professional & scientific | 2024 |
| Ictm Holding AS | | 2024 |
| Ifrakt AS | Transport & logistics | 2022 |
| Iha Holding AS | Financial services | 2011 |
| IHA2 Holding AS | | 2021 |
| Ihus Eiendom AS | Real estate | 2018 |
| Ik-Holding AS | Professional & scientific | 2013 |
| Imber Invest AS | | 2023 |
| Improveme AS | Wholesale & retail | 2024 |
| Improveme Holding AS | | 2025 |
| Ims Kjeden AS | Wholesale & retail | 1997 |
| Industri & Eiendom AS | Real estate | 2002 |
| Inexsa AS | Professional & scientific | 2023 |
| Inexsa Invest AS | Real estate | 2023 |
| Inexsa Partners AS | | 2023 |
| Ink & Fades Lagunen AS | Other services | 2018 |
| Innvekst AS | Real estate | 2009 |
| Insert Logic AS | Information & communication | 2022 |
| Inter Bygg AS | Construction | 2022 |
| Interiør Studio AS | Wholesale & retail | 2024 |
| International Tools AS | Wholesale & retail | 1998 |
| Invest Del Mar AS | Health & social care | 2020 |
| Investerje AS | Financial services | 2019 |
| Invilaks AS | Financial services | 2017 |
| Ion AS | Wholesale & retail | 2022 |
| Irafas AS | | 2013 |
| Irisgården AS | Real estate | 1926 |
| Irisgården Holding AS | Real estate | 2016 |
| Isdalen Green Transport AS | Administrative & support | 2014 |
| Isha Invest AS | Real estate | 2013 |
| Isommer AS | Financial services | 2018 |
| Itnova AS | Information & communication | 2025 |
| Ivan Bygg AS | Construction | 2024 |
| Iversen & Co - Ur Og Smykker AS | Wholesale & retail | 1992 |
| Izi Nuf | Professional & scientific | 2004 |
| J a Sannem AS | Financial services | 1981 |
| J H Nævdal Prosjekt AS | Real estate | 1998 |
| Jabba AS | Professional & scientific | 2019 |
| JBR Consult AS | Professional & scientific | 2014 |
| JF Gjerstad Holding AS | | 2025 |
| Jill Garen Consult AS | Professional & scientific | 2026 |
| JJJ Holding AS | Financial services | 2005 |
| JMR Consulting AS | Professional & scientific | 2024 |
| Jmu Capital AS | | 2021 |
| Joachimsen Holding AS | | 2023 |
| Jobel Invest AS | | 2025 |
| Joer Invest AS | | 2020 |
| Johnny Lyngbø Malerfirma AS | Construction | 2007 |
| Jolmari Capital AS | | 2026 |
| Jonis AS | | 2013 |
| Jordbærpikene Lagunen AS | Hospitality | 2018 |
| Jordmor Kjersti Pettersen AS | Health & social care | 2013 |
| Josi Invest AS | | 2025 |
| Jowi Invest AS | Real estate | 2016 |
| JP Byggteam AS | Construction | 2008 |
| JPS Eiendomsselskap AS | Real estate | 2000 |
| JRB Balder Holding AS | Real estate | 2011 |
| JRB Eiendom AS | Real estate | 2012 |
| Jsaele AS | | 2022 |
| Jyoti AS | Real estate | 2014 |
| K Gude Holding AS | Real estate | 2010 |
| K R Nergaard AS | Real estate | 1989 |
| K-B Holding AS | Financial services | 2016 |
| Ka-Ching Invest AS | Financial services | 2016 |
| Kaa Global Invest AS | Financial services | 2007 |
| Kab 748 Holding AS | | 2023 |
| Kaem Invest AS | | 2024 |
| Kaifa AS | Professional & scientific | 2016 |
| Kakebommen AS | Real estate | 2021 |
| Kalve & Tøkje AS | Real estate | 2001 |