| Auto & Spesialtransport AS | Transport & logistics | 2012 |
| Braaten Automobile Ltd | Other services | 2019 |
| Byggmester Sebastian Møller AS | Construction | 2022 |
| Bøn Biobrensel AS | Manufacturing | 2011 |
| Bøn Eiendom AS | Real estate | 2020 |
| Bøn Næringslokaler AS | Real estate | 1992 |
| Bønsdalen Eiendom AS | Real estate | 2007 |
| Bønsdalen Industriveg 25 AS | Real estate | 2021 |
| Bønsdalen Næringspark AS | Real estate | 2014 |
| Carnero AS | Wholesale & retail | 2026 |
| Dotter Design AS | Professional & scientific | 2026 |
| Dyrekrematoriet Oslo Og Akershus AS | Other services | 2011 |
| Ent AS | Health & social care | 2022 |
| Even B. Pettersen Maskin AS | Construction | 2025 |
| Exsa AS | Arts & recreation | 2019 |
| Exsa Holding AS | | 2018 |
| Fajo Music AS | Information & communication | 2016 |
| Florin Holding AS | Real estate | 2025 |
| Gaarders Medbooking AS | Administrative & support | 2025 |
| Gulv Redning AS | Construction | 2020 |
| Humaneffect AS | Education | 1994 |
| Joyart Da | Professional & scientific | 2011 |
| KMR Holding AS | Financial services | 2014 |
| Lumena AS | Health & social care | 2024 |
| Maskinentreprenør Egil Åstad AS | Construction | 1984 |
| Molas Holding AS | Real estate | 2020 |
| Nygårdsbua Ans | Hospitality | 1999 |
| Nyveien 114 Eiendom AS | Real estate | 2021 |
| Nyveien Holding AS | Real estate | 2017 |
| Otten Eiendom AS | Real estate | 2024 |
| Otten Holding AS | Real estate | 2015 |
| Rivningsgruppen AS | Construction | 2015 |
| Rolig Helg AS | Arts & recreation | 2018 |
| RS Totaldrift AS | Wholesale & retail | 2025 |
| Råholt Billakkering AS | Other services | 2023 |
| Situne AS | Information & communication | 2013 |
| Skg-Consult AS | Construction | 2021 |
| Speedlakk AS | Other services | 2026 |
| ST Alliance AS | Information & communication | 2006 |
| Techstack AS | Wholesale & retail | 2015 |
| Tenold Regnskap AS | Professional & scientific | 2017 |
| TOTALBYGG1 AS | Construction | 2024 |
| TR Byggservice & Trading AS | Administrative & support | 2016 |
| Verdico AS | Real estate | 2024 |
| Veterinær Nyen AS | Professional & scientific | 2002 |
| Vjo Eiendom AS | Real estate | 2024 |
| WB Eiendom AS | Real estate | 2025 |
| Wergelands Bygd AS | Construction | 2005 |