| 3L Office Products | Wholesale & retail | 2019 |
| Abh Solutions AS | Administrative & support | 2024 |
| Ably AS | Professional & scientific | 2024 |
| Adamusic AS | Arts & recreation | 2017 |
| Aktiv Eiendomsdrift AS | Administrative & support | 2006 |
| Alseth Investment AS | | 2023 |
| Amundsen Forvaltning AS | | 2021 |
| Apotek 1 Harestua AS | Wholesale & retail | 2017 |
| Archer Technology AS | Information & communication | 2025 |
| Areal Multidrift AS | Administrative & support | 2014 |
| Asec AS | Construction | 2024 |
| Astronomen AS | Arts & recreation | 2020 |
| Auxiliary AS | Professional & scientific | 2018 |
| Ayr AS | Information & communication | 2013 |
| Bakteriefritt Holding 1 AS | Wholesale & retail | 2010 |
| Bergsli & Sønn AS | Construction | 2008 |
| Biong AS | Arts & recreation | 2023 |
| Bostrøm All-Service AS | Construction | 2016 |
| Braathen-Fredriksen Invest AS | Financial services | 2016 |
| Cabb Invest AS | Professional & scientific | 2023 |
| Canopus AS | Professional & scientific | 2024 |
| Cartera AS | | 2010 |
| Clasima AS | Professional & scientific | 2021 |
| Clean Fuel AS | Wholesale & retail | 2024 |
| Consilium Consulting AS | Professional & scientific | 2021 |
| Crude AS | Professional & scientific | 2016 |
| Der Du Bor AS | Real estate | 2014 |
| Disruptive Capital AS | | 2020 |
| Dotten Holding AS | | 2019 |
| Ecit Harestua AS | Professional & scientific | 1998 |
| Ehe Capital AS | | 2026 |
| Ej Investment AS | Financial services | 2017 |
| Eks-Con AS | Professional & scientific | 2021 |
| El Maskin AS | Construction | 2024 |
| Elektroinstallatør Granberg Og Nordengen AS | Construction | 2006 |
| Elevation AS | Real estate | 2016 |
| Energyinfo AS | Professional & scientific | 2006 |
| Enjoy AS | Administrative & support | 2003 |
| Eriksen-Invest AS | | 2022 |
| Esho Holding AS | | 2025 |
| Eti Norge AS | Wholesale & retail | 2016 |
| Evici AS | Professional & scientific | 2014 |
| Evici Utvikling AS | Information & communication | 2021 |
| F Hagaseth AS | Construction | 2017 |
| Famartin AS | Real estate | 2004 |
| Fatte Matte AS | Education | 2018 |
| Filipe Snekker AS | Construction | 2013 |
| Finnskogens Bemanning AS | Administrative & support | 2018 |
| Fishking AS | Wholesale & retail | 2019 |
| Fjeld Gård AS | Health & social care | 2014 |
| Fjellfilter AS | Manufacturing | 2023 |
| Fjellpota AS | Wholesale & retail | 2024 |
| Fooded AS | Hospitality | 2019 |
| Fortius Helse AS | Arts & recreation | 2026 |
| Framr AS | | 2021 |
| Fremat AS | Real estate | 1983 |
| Friland Drift AS | Transport & logistics | 2019 |
| Frøsaker Byggservice AS | Construction | 2015 |
| Furumo Eiendom AS | Real estate | 2001 |
| Futuro 2 AS | | 2026 |
| Futuro AS | Real estate | 2009 |
| Futuro Fellesholding AS | | 2026 |
| Fysio Puls AS | Health & social care | 2013 |
| Granøien Holding AS | | 2025 |
| Grasan Invest AS | Financial services | 2014 |
| Gustavsen Maskin AS | Construction | 2012 |
| Hadeland Elektromekaniske AS | Manufacturing | 2020 |
| Hadeland Lås AS | Manufacturing | 2023 |
| Hadeland Uteliv AS | Administrative & support | 2014 |
| Hadelandsmat AS | Hospitality | 2022 |
| Haganvegen Kloakk SA | Water & waste | 2019 |
| Haganveien SA | Real estate | 2013 |
| Hageglede AS | Wholesale & retail | 1978 |
| Harestua Auto AS | Wholesale & retail | 1996 |
| Harestua Bil AS | Wholesale & retail | 2012 |
| Harestua Bilistservice AS | Wholesale & retail | 2000 |
| Harestua Blomster Ans | Wholesale & retail | 1988 |
| Harestua Bygg AS | Construction | 2019 |
| Harestua Dyreklinikk AS | Professional & scientific | 2020 |
| Harestua Fysioterapi AS | Health & social care | 2026 |
| Harestua Holding AS | | 2010 |
| Harestua Idretts- Og Rehabiliteringsklinikk AS | Arts & recreation | 2017 |
| Harestua Legedrift AS | Health & social care | 2012 |
| Harestua Næringspark AS | Real estate | 2018 |
| Harestua Servise AS | Real estate | 1961 |
| Harestulia Utbygging AS | Real estate | 2019 |
| Hartech Invest AS | Information & communication | 2024 |
| Hemmingways AS | Education | 2022 |
| HMG Mur Og Flis AS | Construction | 2021 |
| HMS Eiendom AS | Real estate | 2006 |
| HT Omsorg AS | Health & social care | 2018 |
| Hulderbakken AS | | 2026 |
| Hvil AS | Real estate | 2014 |
| Impecta Norge AS | Wholesale & retail | 2022 |
| Inloop AS | Information & communication | 2020 |
| Ivrig Holding AS | Professional & scientific | 2026 |
| Jakobsen Dagligvare AS | Wholesale & retail | 2025 |
| Jemik Invest AS | Real estate | 2007 |
| Jens Borgejordet AS | Health & social care | 2025 |
| Jesikra Eiendom AS | | 2009 |