| Accurato AS | Professional & scientific | 2012 |
| Ado Eiendom 80 Nuf | Real estate | 2011 |
| Agrovent AS | Wholesale & retail | 2021 |
| Allean Holding AS | Construction | 2023 |
| Allean Project AS | Administrative & support | 2021 |
| Ane Berg Martinsen AS | | 2020 |
| Anonby Maskinentreprenør AS | Construction | 2011 |
| Appresso AS | Information & communication | 2014 |
| Asbjørn Og Einar Brandsrud Da | Agriculture & fishing | 2002 |
| Asg Entreprenør AS | Construction | 2022 |
| Atlantic Finance AS | Professional & scientific | 1998 |
| Aurr Maskinforretning AS | Wholesale & retail | 2023 |
| Batteriutstyr AS | Wholesale & retail | 2021 |
| BBN Holding AS | Real estate | 2024 |
| Beautycom AS | Wholesale & retail | 2017 |
| Bedre Helse Follo AS | Health & social care | 2025 |
| Bernhus Salg & Service AS | Construction | 2023 |
| Bjørn Vidar Jørgensen AS | Construction | 2011 |
| BL Shipping AS | Transport & logistics | 1989 |
| BLK Bane AS | Agriculture & fishing | 2025 |
| Bondestua SA | Real estate | 1991 |
| Buer Consult AS | Professional & scientific | 2006 |
| Bunes Boservice Da | Real estate | 2013 |
| Butts Tandoori Og Fastfood AS | Hospitality | 2020 |
| Bygdøy Servicesenter AS | Construction | 2000 |
| Byggmester Jens Frøne AS | Construction | 2022 |
| Byggtorget Øst AS | Wholesale & retail | 2010 |
| Caparol Sverige AB | Wholesale & retail | 2007 |
| Catec Products Ans | | 1990 |
| CCJ Eiendom AS | Real estate | 2022 |
| Charlie B AS | Professional & scientific | 2012 |
| Christensen Bygg Og Utleie AS | Construction | 2020 |
| Christian Raphael Martinsen AS | | 2020 |
| Christina Westerveld Haug AS | Professional & scientific | 2018 |
| Constanse Holding AS | Real estate | 2016 |
| Degnes Korn AS | Agriculture & fishing | 1999 |
| Den Lille Rørhandel AS | Construction | 2026 |
| Din Netthandel AS | Wholesale & retail | 2017 |
| DTG Prosjekter AS | Construction | 2020 |
| Dwi Eiendom AS | Real estate | 2014 |
| Dwi Mor AS | Real estate | 2017 |
| Dyrkerom AS | Manufacturing | 2024 |
| E-18 Dekk Og Tungservice AS | Other services | 2025 |
| Eksklusiv MBS AS | Administrative & support | 2022 |
| Elgfaret 4 AS | Wholesale & retail | 2017 |
| Eng Eiendom AS | Real estate | 1977 |
| Engsvik AS | Education | 2013 |
| Fagerås Bad & Membran AS | Construction | 2016 |
| Fairtale AS | Hospitality | 2025 |
| FHL Eiendom AS | | 2016 |
| FHN AS | | 2024 |
| Fjeldstad Butikkdrift AS | Wholesale & retail | 2021 |
| Flexit AS | Manufacturing | 1975 |
| Flexit Eiendom AS | Manufacturing | 2005 |
| Flexit Future Holding AS | Manufacturing | 2016 |
| Frodi Drift AS | Agriculture & fishing | 2014 |
| Frodi Group AS | | 2025 |
| Frøne Eiendom AS | Real estate | 2016 |
| Gateway Invest AS | | 2026 |
| Geo Bygg AS | Construction | 2016 |
| Granli Rør AS | Construction | 2011 |
| Grombygg AS | Construction | 2008 |
| Haldenvassdragets Kanalselskap AS | Transport & logistics | 1852 |
| Havass Fiskelag SA | Arts & recreation | 2018 |
| Hesttjernveien Skogsbilveilag SA | Agriculture & fishing | 2026 |
| Historisk Maling AS | Construction | 2016 |
| Hjerpeton AS | Transport & logistics | 2019 |
| Holaug Pukkverk AS | Mining & quarrying | 2017 |
| Huse Fjellsprengning AS | Construction | 2019 |
| Hyve AS | Administrative & support | 2025 |
| Hølbekkveien SA | Real estate | 2004 |
| I Gros Hage AS | Wholesale & retail | 2017 |
| Indre Bygg AS | Construction | 2024 |
| Innbyggerdialogen AS | Information & communication | 2022 |
| Innerstielva AS | Manufacturing | 2023 |
| Isvannet AS | Wholesale & retail | 2017 |
| Jensen Drift & Vedlikehold AS | Administrative & support | 2025 |
| Jessesen Holding AS | Real estate | 2014 |
| JHL Bygg AS | Construction | 2023 |
| JM Syversen Eiendom AS | Real estate | 2024 |
| Johan Marcus Martinsen AS | | 2020 |
| Johan Westlie & Sønner AS | Construction | 1990 |
| Jovall Transport AS | Transport & logistics | 2021 |
| JPL Rail AS | Construction | 2012 |
| Ka Landbruk Marker AS | Agriculture & fishing | 1999 |
| Kemo AS | Real estate | 1999 |
| Keys Music AS | Information & communication | 2026 |
| Kirkeng Utvikling AS | Real estate | 2024 |
| Kjemas AS | Wholesale & retail | 2026 |
| Klerud Da | Agriculture & fishing | 2005 |
| Klippekroken Ørje AS | Other services | 2002 |
| Klokkerud Krets Fiberlag SA | Administrative & support | 2022 |
| Klund Eiendom AS | Real estate | 1990 |
| Klund Invest AS | | 2023 |
| Klund Kapital AS | | 2023 |
| Krog Grini AS | Education | 2015 |
| Krog Grunneierlag SA | Real estate | 2019 |
| Krog Transport AS | Transport & logistics | 2013 |
| Krosby Holding AS | Real estate | 2018 |
| Krosby Ventilasjon AS | Construction | 2018 |