| Handlingsmot AS | | 2023 |
| Hangarutleie AS | Real estate | 2016 |
| Harald Eckhoff AS | Wholesale & retail | 1996 |
| Harbak Communication International Ans | Administrative & support | 2000 |
| Hareland Engineering AS | Professional & scientific | 1991 |
| Harestien AS | Real estate | 2014 |
| Hartvig Lea Invest AS | Real estate | 1986 |
| Hatlem Paulsen Holding AS | Health & social care | 2019 |
| Haugen Elektro Automasjon AS | Construction | 2022 |
| Haugland AS | Professional & scientific | 2023 |
| Havblikk Ventures AS | | 2024 |
| Haycai Invest AS | | 2020 |
| Heat Fitness AS | Education | 2016 |
| Hedland Invest AS | Real estate | 2010 |
| Hegdalveien 73 AS | Real estate | 2008 |
| Hegdalveien Holding AS | Real estate | 2024 |
| Helganesveien AS | Real estate | 2017 |
| Helges Holding AS | Administrative & support | 2022 |
| Heli AS | | 2026 |
| Heli-One (Norway) AS | Manufacturing | 2000 |
| Heli-One Leasing (Norway) AS | Real estate | 1970 |
| Helland Installasjon AS | Construction | 2023 |
| Helleberg Maskin AS | Agriculture & fishing | 2019 |
| Hellestø Bilutleie AS | Administrative & support | 1988 |
| Hellestø Holding Drift AS | Wholesale & retail | 2018 |
| Hellfam AS | Professional & scientific | 2018 |
| Helseinvest AS | Real estate | 2000 |
| Henderson Auto AS | Wholesale & retail | 2018 |
| Henrikh AS | | 2014 |
| Henriksen Gulv & Maling AS | Construction | 2023 |
| Heradstveit Holding AS | Financial services | 2009 |
| Hexon Assets AS | Real estate | 2021 |
| Hexon Holding AS | Real estate | 2019 |
| Hidle Invest AS | | 2024 |
| Hiet Eiendomsutvikling AS | Real estate | 2024 |
| Hiet Holding AS | Construction | 2018 |
| Hildr AS | Mining & quarrying | 2012 |
| Hitec Products AS | Manufacturing | 2002 |
| Hitec Products Holding AS | Professional & scientific | 2008 |
| Hjelmeland Holding AS | Professional & scientific | 2020 |
| Hjelmelandsgata 19 AS | Real estate | 2026 |
| Hjelperen AS | Administrative & support | 2002 |
| Hl-Eiendom AS | Real estate | 2025 |
| HMS Prosjekt AS | Health & social care | 2023 |
| Hodnefjell Health and Quality AS | Health & social care | 2018 |
| Hognestad Trafikkskole AS | Education | 2008 |
| Holmebakken Holding AS | Financial services | 2017 |
| Hosaas Invest AS | Financial services | 2017 |
| Hotelldrift Sola AS | Hospitality | 2013 |
| House of Signs AS | Other services | 2018 |
| Hsemb Holding AS | | 2019 |
| Hubro Glass Og Aluminium AS | Wholesale & retail | 2018 |
| Hunting Energy Services (Norway) AS | Mining & quarrying | 2014 |
| Husgalleriet AS | Professional & scientific | 1998 |
| Husmaler AS | Construction | 2021 |
| Husmannskost AS | Hospitality | 2010 |
| Hytech Access & Inspection AS | Professional & scientific | 2022 |
| Hytech Consultants AS | Administrative & support | 2022 |
| Hytech Norse Offshore AS | Administrative & support | 2000 |
| Hytech Personell AS | Administrative & support | 2004 |
| Hytech Personnel DK | Administrative & support | 2019 |
| Håland Transport AS | Transport & logistics | 2007 |
| Högson AS | Construction | 2023 |
| Høghuset På Bryne AS | Real estate | 2025 |
| Høivik Holding AS | Real estate | 2005 |
| I.H Holding AS | | 2025 |
| I/O/Lab Rogalands Senter for Framtidskunst AS | Education | 2006 |
| Ib Finans AS | | 2005 |
| Idt-Innovar AS | Administrative & support | 2023 |
| Ikm AS | Mining & quarrying | 2022 |
| Ikm Consultants AS | Professional & scientific | 1999 |
| Ikm Consultants Management AS | Professional & scientific | 2020 |
| Ikm Eiendom AS | Real estate | 2012 |
| Ikm Fluid Treatment Solutions AS | Mining & quarrying | 1993 |
| Ikm Formuesforvaltning AS | | 2025 |
| Ikm Gruppen AS | Mining & quarrying | 2013 |
| Ikm Holding AS | Mining & quarrying | 2014 |
| Ikm Industri-Invest AS | Mining & quarrying | 2022 |
| Ikm Innova Holding AS | | 2026 |
| Ikm Instrument Rental AS | Administrative & support | 2022 |
| Ikm Instrument Rental Holding AS | Manufacturing | 2014 |
| Ikm Instrument Rental Invest AS | Manufacturing | 2014 |
| Ikm Invest AS | Manufacturing | 2007 |
| Ikm Inwind AS | Energy | 2021 |
| Ikm Operations AS | Professional & scientific | 2009 |
| Ikm Promech AS | Manufacturing | 2014 |
| Ikm Testing AS | Mining & quarrying | 1992 |
| Ikm Testing Canada Ltd | Professional & scientific | 2004 |
| Ikm Testing Spain SL | | 2004 |
| Ikm Testing UK Limited | Administrative & support | 1999 |
| Imo Kapital AS | Real estate | 2008 |
| Imobility AS | Administrative & support | 2000 |
| Inchena Da | Information & communication | 2012 |
| Incwear AS | Wholesale & retail | 2015 |
| Indiska Norge AS | Hospitality | 2025 |
| Industri-Invest AS | Manufacturing | 2007 |
| Infra Red Vision AS | Professional & scientific | 1998 |
| Ingefo AS | Financial services | 2005 |
| Inn-Utleie Stavanger AS | Real estate | 2022 |
| Innov Management AS | Professional & scientific | 2019 |