| Eiendomsess Da | Real estate | 1986 |
| Einar Studios AS | Information & communication | 2023 |
| Element Holding AS | | 2025 |
| Emte Film AS | Information & communication | 2021 |
| Ender Forvaltning AS | | 2023 |
| Ep Capital Holding AS | | 2025 |
| Epj Eiendom AS | Real estate | 2026 |
| Eric Gjerulff AS | Wholesale & retail | 1999 |
| Eric Gjerulff Holding AS | Real estate | 1973 |
| Erlend Nikolai Herbjørnrød AS | Wholesale & retail | 2006 |
| Erling Olaussen Invest AS | | 2022 |
| Espen Kronlund Holding AS | Real estate | 2015 |
| ETM4U AS | Wholesale & retail | 2016 |
| Ewaro AS | | 2025 |
| Ewi Performance AS | Other services | 2026 |
| Execration Da | Arts & recreation | 2017 |
| Falcken Eiendom AS | Real estate | 2006 |
| Fallout AS | | 2023 |
| Fam. Grendahl Holding AS | | 2025 |
| Farmakon AS | Professional & scientific | 2022 |
| Feja Renhold AS | Administrative & support | 2023 |
| Femten AS | Wholesale & retail | 2020 |
| Fix Rør AS | Construction | 2012 |
| Fix Rør Service AS | Construction | 2019 |
| Fjellbo Holding AS | Financial services | 2022 |
| Flatoy Labs AS | Information & communication | 2022 |
| Folkefiender AS | Information & communication | 2017 |
| Follo Sport AS | Wholesale & retail | 2014 |
| Frantali AS | Administrative & support | 2026 |
| Fremtidskapital AS | Wholesale & retail | 2025 |
| Fritidsgutta Da | Wholesale & retail | 2007 |
| G Enterprise AS | | 2026 |
| G. Sørum Holding AS | Real estate | 2013 |
| Gagnat Invest AS | | 2021 |
| Gela Invest AS | | 2024 |
| Gira Kapital AS | Real estate | 2006 |
| Gjersøe & Partnere AS | Wholesale & retail | 2001 |
| Gk-Invest AS | Professional & scientific | 2016 |
| Gode Hverdagsvaner - AS | Education | 2025 |
| Greida AS | Construction | 2013 |
| Grønn Vei Trafikkskole AS | Education | 2023 |
| Gutro AS | Construction | 2013 |
| Hafredal Capital AS | | 2026 |
| Handy Tech Norge AS | Wholesale & retail | 1997 |
| Hans-Kristian Lange Holding AS | | 2026 |
| Hasa Bil AS | Wholesale & retail | 2025 |
| Hauge Standal AS | Real estate | 2019 |
| Hegdal Øvrebø Invest AS | | 2023 |
| Hei Group AS | Transport & logistics | 2026 |
| Heide Invest AS | Real estate | 1997 |
| Hellerasten Holding AS | | 2025 |
| Hello World AS | Information & communication | 2022 |
| Helt Lokalt AS | Information & communication | 2002 |
| Hemaka Holding AS | | 2021 |
| Herbjørnrød Kolonial AS | Wholesale & retail | 2015 |
| High Hall Holding AS | Real estate | 2020 |
| Hlnd AS | Professional & scientific | 2019 |
| HM Blikk AS | Construction | 2020 |
| Hny Holding AS | Financial services | 2017 |
| Horndalsnuten AS | | 2021 |
| House of Sensation AS | Wholesale & retail | 2007 |
| Hvidsten AS | Financial services | 1994 |
| Håndverkshuset Oppegård AS | Real estate | 2007 |
| Høgtind Holding AS | | 2025 |
| Hølandsveien 14B AS | Real estate | 2018 |
| Ib Skoleutvikling AS | Education | 2020 |
| Ida Eriksson Hardangen AS | Education | 2023 |
| Idanki AS | | 2026 |
| Impacti AS | Information & communication | 2019 |
| Impactlab AS | Professional & scientific | 2024 |
| Ingeniør K. Bertelsen AS | Professional & scientific | 2020 |
| Instant Gruppen AS | Wholesale & retail | 2015 |
| Instant Kurs AS | Education | 2022 |
| Instant Norge AS | Wholesale & retail | 1999 |
| Intellisense AS | Information & communication | 2024 |
| Iyoga AS | Education | 2016 |
| JLG Manufacturing (Europe) Bvba | Wholesale & retail | 2002 |
| JLM Skolt AS | | 2020 |
| Joffe AS | | 2024 |
| John Bernhardsen Musikk AS | Arts & recreation | 1997 |
| K. Paulsen Invest AS | | 2018 |
| Kailen AS | Professional & scientific | 2020 |
| Kampen Mekaniske Verksted AS | Manufacturing | 2016 |
| KB Trading AS | | 2024 |
| Kebco Nordic AS | Wholesale & retail | 2015 |
| Keen Robotics AS | Professional & scientific | 2026 |
| Kil Drift AS | Energy | 2021 |
| Kimr Holding AS | Construction | 2024 |
| Klartbedre AS | Construction | 2023 |
| Kolbotn Dyreklinikk AS | Professional & scientific | 2005 |
| Kolbotn Helse | Health & social care | 2001 |
| Kolbotn Interiørservice AS | Wholesale & retail | 2005 |
| Kolbotn Tannklinikk AS | Health & social care | 2012 |
| Kolbotn Tannlegesenter AS | Health & social care | 2005 |
| Komplett Hulltaking AS | Professional & scientific | 2026 |
| Kontinent Transport AS | Transport & logistics | 1990 |
| Korsveien AS | Agriculture & fishing | 2021 |
| Krathe Invest AS | | 2019 |
| Kristiansen Rørservice AS | Construction | 2024 |
| Kristine Mellem Holding AS | | 2023 |