| Engineering and Consulting | Professional & scientific | 2013 |
| Es Investment AS | | 2025 |
| Ethos AS | Information & communication | 2012 |
| Eurocon Automation AS | Professional & scientific | 1997 |
| Euromerger Norway AS | Professional & scientific | 2019 |
| Eventbusser AS | Transport & logistics | 2026 |
| Every Foods AS | Wholesale & retail | 2026 |
| Exvent AS | Wholesale & retail | 2003 |
| Ez Eiendom AS | Real estate | 2025 |
| Fasade Stillas AS | Construction | 2003 |
| Fast Expand Capital AS | | 2025 |
| Fearless Ans | Wholesale & retail | 1994 |
| Fleks Systemer AS | Information & communication | 2022 |
| Flokk Digital AS | Information & communication | 2015 |
| Fly-It AS | Professional & scientific | 2000 |
| Frankenstein Graving & Transport AS | Construction | 2013 |
| Frevabno AS | | 2022 |
| Frode Ullbråthen Eiendom AS | Real estate | 1993 |
| Fuel-Service AS | Wholesale & retail | 2023 |
| Fuglesang Dagligvare AS | Wholesale & retail | 2026 |
| GC Invest AS | Financial services | 2005 |
| Genex AS | Wholesale & retail | 2019 |
| GHR Music AS | Financial services | 2014 |
| Gjostol AS | Professional & scientific | 2013 |
| Gma AS | Health & social care | 2025 |
| GO2FITNESS Da | Education | 2022 |
| Gotoretail AS | Information & communication | 2016 |
| Graff & Co AS | Real estate | 2009 |
| Griptel AS | Wholesale & retail | 2014 |
| Grota Bygg AS | Construction | 2012 |
| Gutta På Jobb AS | Construction | 2024 |
| Hafjell Hytter AS | Real estate | 2021 |
| Hamang Invest AS | Real estate | 2012 |
| Hans Claussen AS | Wholesale & retail | 1914 |
| Hans Claussen Invest AS | Real estate | 1991 |
| Havstrøm AS | | 2007 |
| Hechla AS | Real estate | 1996 |
| Hechla Holding AS | Real estate | 2018 |
| Hechla Industrier AS | Manufacturing | 2021 |
| Hechla Vadbakken AS | Real estate | 2012 |
| Hechla Vøyenenga AS | Real estate | 2020 |
| Hechla Årenga AS | Real estate | 2013 |
| Hedin Nordic Truck AS | Other services | 2023 |
| Hedin Nordic Truck Retail AS | Wholesale & retail | 2023 |
| Hero Technology AS | Information & communication | 2013 |
| Hessenschmidt AS | | 2015 |
| Hesteutstyrsbutikken Rytter'N AS | Wholesale & retail | 2024 |
| Hfa Invest AS | | 2021 |
| Hibas Eiendom AS | Real estate | 2019 |
| Hibas Holding AS | Administrative & support | 2005 |
| Hjul AS | Wholesale & retail | 2024 |
| Holding Investments AS | | 2020 |
| Holstadskogen Ans | Agriculture & fishing | 2004 |
| Horni AS | Agriculture & fishing | 2002 |
| Horni Eiendom AS | Real estate | 2006 |
| Horni Holding AS | Wholesale & retail | 2005 |
| Hornienga Fus Barnehage AS | Education | 2018 |
| HS Kobber Og Blikkenslager AS | Construction | 2008 |
| Hunvik Invest AS | Financial services | 2005 |
| Husbonden AS | Agriculture & fishing | 2019 |
| Håndverker Sebastian AS | Construction | 2023 |
| Ibin Invest AS | | 2024 |
| Impresitive AS | Information & communication | 2013 |
| Indus AS | Health & social care | 2007 |
| Instrumentteampluss AS | Wholesale & retail | 2025 |
| Intergest Norge AS | Professional & scientific | 2012 |
| Isi Lomma AS | Real estate | 2021 |
| Iva Nordic AS | Other services | 2025 |
| J Borge AS | | 2022 |
| Jan Berg Holding AS | | 2024 |
| Jan S Arvesen AS | Real estate | 1982 |
| Janto AS | Financial services | 2015 |
| Janty Invest AS | Administrative & support | 2012 |
| Jeci AS | Real estate | 2022 |
| Jensen Invest A/S | Information & communication | 1988 |
| JFK AS | | 2021 |
| Jinxia Huang Konsulent- Og Kinesisk Språktjeneste AS | Professional & scientific | 2023 |
| Jonas O. Borge AS | | 2021 |
| JPB Offshore AS | Professional & scientific | 2011 |
| JRB Salgspartner AS | Professional & scientific | 2024 |
| JS Ide & Konsult AS | Professional & scientific | 2025 |
| Jtekt Europe Bearings B. V. | Professional & scientific | 2015 |
| Jørand Holding AS | | 2022 |
| Jørgen Aass AS | Professional & scientific | 2016 |
| K Pedersen Holding AS | | 2023 |
| K2 Kitchen Masala Grill AS | | 2020 |
| Kaa Konsulenten AS | Real estate | 2017 |
| Keep Up AS | Wholesale & retail | 2019 |
| Killingmo Holding AS | | 2005 |
| Kirkerud Bygslingstomter AS | Real estate | 2006 |
| Kirkerud Parkeringshus AS | Transport & logistics | 1992 |
| Kirkerudbakken Friluftsbarnehage SA | Education | 1989 |
| Klink AS | Wholesale & retail | 2019 |
| Krefting & Co AS | Wholesale & retail | 1936 |
| Krefting AS | Manufacturing | 1987 |
| Krefting Eiendom AS | Real estate | 2022 |
| Krefting Sterling AS | | 2025 |
| Kruse Holding AS | Financial services | 2015 |
| Kuriøs AS | Professional & scientific | 2019 |
| Lava Drift AS | Administrative & support | 2025 |