| Adminett AS | Professional & scientific | 2005 |
| Agely AS | Administrative & support | 2022 |
| Alfanor 19195 AS | Professional & scientific | 2019 |
| Amazing Games AS | Information & communication | 2001 |
| Andersen Håndverk Og VVS AS | Construction | 2025 |
| Anlegg Sarpsborg AS | Construction | 2019 |
| Aprimo Rådgivning Yngve Kaldestad AS | Professional & scientific | 2006 |
| Arild Flobak Konsulenttjenester AS | Information & communication | 2022 |
| Arne Stefan Gustavsson | Mining & quarrying | 2002 |
| AS Bygningslageret | Wholesale & retail | 1967 |
| Atg Bikeparts AS | Wholesale & retail | 2025 |
| Aurora Camper AS | Wholesale & retail | 2026 |
| Autowax AS | Wholesale & retail | 2024 |
| Av.Living AS | Real estate | 2017 |
| Battreco AB | Manufacturing | 2000 |
| Bergstien Holding AS | Real estate | 1995 |
| Berwari's Autoservice AS | Other services | 2012 |
| Bjerkbo Kafe Ans | Hospitality | 1988 |
| Bohlin Media AS | Professional & scientific | 2013 |
| Borg Sandblåsing AS | Manufacturing | 2013 |
| BP Spud AS | Hospitality | 2026 |
| BR. Westgaard Bygg & Eiendom AS | Construction | 2022 |
| Brighthawk Invest AS | | 2020 |
| Brustuen Varme & Klima AS | Construction | 2025 |
| Brødrene Fosby AS | Real estate | 2009 |
| Bvo Invest AS | | 2026 |
| C-K Holding AS | | 2023 |
| Celmar Holding AS | | 2026 |
| CH Installasjon AS | Construction | 2025 |
| Confidense Systems Ltd AS | Wholesale & retail | 2004 |
| Davis Eiendom AS | Real estate | 2004 |
| Dennis F Holding AS | | 2026 |
| Desmolab AS | Manufacturing | 2020 |
| Didrik F Holding AS | | 2026 |
| DMG AS | | 2025 |
| Doda Malerservice Og Vedlikehold Ans | Construction | 2010 |
| DTJ Holding AS | | 2021 |
| Emvex AS | Wholesale & retail | 2024 |
| Enjo Holding AS | Wholesale & retail | 2013 |
| Eriksen Utvikling AS | Real estate | 2023 |
| Extra Holding AS | Financial services | 2005 |
| Fjeld Bygg Og Tømrertjenester AS | Construction | 2023 |
| Fromholttunet AS | Construction | 2014 |
| Furu Invest AS | Construction | 2015 |
| G13 Holding AS | | 2024 |
| G13 Stein & Maskin AS | Construction | 2023 |
| Graving Transport & Budbiltjeneste Preljevic AS | Construction | 2020 |
| Grethes Fotterapi AS | Health & social care | 2025 |
| Grro Invest AS | | 2025 |
| Guro Vi AS | Real estate | 2005 |
| Gystadmyr Utbygging AS | Real estate | 2006 |
| Hall Eiendom Og Invest AS | Real estate | 1989 |
| Hansens Fritidsklær Ans | Wholesale & retail | 1993 |
| Harald Gustavson Auksjonsforretning | Wholesale & retail | 2000 |
| HG Investments AS | | 2023 |
| Hkaa Holding AS | | 2021 |
| Hoa Duong Holding AS | | 2025 |
| Holding Eiendom 1 AS | Construction | 2019 |
| Ideal Catering AS | Hospitality | 2024 |
| Iseveien Næringspark Holding AS | | 2021 |
| Jan Fosby AS | Transport & logistics | 1981 |
| Jan-Petter Talgø AS | Construction | 2021 |
| Javisst Entertainment AS | Information & communication | 2025 |
| Johansen Monumenthuggeri AS | Manufacturing | 1984 |
| Jsa-Invest AS | Construction | 2019 |
| Kamperhaug Boligutvikling AS | Real estate | 2012 |
| Kamperhaug Eiendom AS | Real estate | 2025 |
| Kamperhaug Invest AS | Real estate | 2010 |
| Kamperhaug Utvikling AS | Professional & scientific | 2003 |
| Karina R Invest AS | | 2024 |
| KB Montering AS | Construction | 2024 |
| Kebabhouse Klavestadhaugen AS | Hospitality | 2021 |
| KL Eiendom AS | Real estate | 2005 |
| Klavestadhaugen Bilservice AS | Other services | 2021 |
| Kokkeline AS | Hospitality | 2021 |
| Kornspesialisten AS | Wholesale & retail | 2018 |
| Kris Montering AS | Manufacturing | 2025 |
| Lande Trafikkskole AS | Education | 2025 |
| Langvik Rørleggerservice AS | Construction | 2019 |
| LF Vaktmestertjenester AS | Administrative & support | 2025 |
| Linda M Invest AS | | 2017 |
| Luumii AS | Wholesale & retail | 2023 |
| Mathisen-Eiendom AS | Real estate | 2011 |
| Mca Kapital AS | | 2025 |
| Me Fredriksen AS | Construction | 2024 |
| Me.Ra Tech AS | Construction | 2015 |
| MK Bilteknikk AS | Wholesale & retail | 2020 |
| MK Hvitevareservice Nuf | Other services | 2011 |
| Monteringsportalen AS | Information & communication | 2026 |
| Monument Holding AS | Professional & scientific | 2005 |
| My Steen AS | | 2023 |
| Naro Rør Og Flis AS | Construction | 2023 |
| Nex Core AS | Information & communication | 2025 |
| Nex Group AS | | 2025 |
| Nex Rail AS | Construction | 2024 |
| Ninea Invest AS | | 2020 |
| Norbin AS | Information & communication | 2015 |
| Nord & Sør Da | Arts & recreation | 2000 |
| Nord Invest Holding AS | Other services | 2019 |
| Norsaq Da | Education | 2010 |