| 1814 Holding AS | Real estate | 2020 |
| 3B Flislegger AS | Construction | 2008 |
| 3ELEKTRO AS | Construction | 2023 |
| 3PL Solutions AS | Transport & logistics | 1989 |
| A.M.Renovering AS | Construction | 2026 |
| A.P & Co AS | Professional & scientific | 2019 |
| A4 Coaching & Consulting AS | Education | 2022 |
| Aarstad Holding AS | | 2025 |
| Accelerator AS | Transport & logistics | 2002 |
| Acf-Co AS | Professional & scientific | 2013 |
| Acte AS | Wholesale & retail | 1972 |
| Adam Invest AS | | 2023 |
| Adjoy AS | Information & communication | 2021 |
| Administrativ Regnskapsservice AS | Professional & scientific | 1985 |
| Advokatfirmaet Nicolaisen Ans | Professional & scientific | 1998 |
| Agenda Taksering AS | Professional & scientific | 2014 |
| Ahura Bygg AS | Professional & scientific | 2023 |
| Ak Foods AS | Hospitality | 2025 |
| Ak Solutions AS | Wholesale & retail | 2021 |
| Akershus Ren Ventilasjon AS | Construction | 2024 |
| Akuttspesialisten AS | Education | 2022 |
| All Gravy No AS | Information & communication | 2023 |
| Almanakkforlaget AS | Information & communication | 1916 |
| Amadeus Data Ans | Wholesale & retail | 1990 |
| Ambar AS | Professional & scientific | 1993 |
| Angvik Auto Fortolling AS | Transport & logistics | 2016 |
| Anh Tran Eiendom AS | Real estate | 2015 |
| Ans Gledesspredern | Wholesale & retail | 1988 |
| Aprofix AS | Construction | 2025 |
| Arctic Media Group AS | Information & communication | 2023 |
| Arina Transport AS | Transport & logistics | 2024 |
| AS Blomsterringen Engros | Wholesale & retail | 1985 |
| AS Transportprodukter | Wholesale & retail | 1974 |
| Asak Miljøstein AS | Wholesale & retail | 1998 |
| Asatrans AS | Transport & logistics | 2019 |
| Asbjørn Dale Holding AS | | 2024 |
| Askeladden Tre & Ved AS | Wholesale & retail | 2016 |
| Atlantic Thermo AS | Transport & logistics | 2024 |
| Atlas Regnskap AS | Professional & scientific | 2023 |
| Audio Visual Magic Ans | Wholesale & retail | 1992 |
| Auto-Maskin AS | Manufacturing | 1980 |
| Autospektrum-Gruppen AS | Real estate | 2018 |
| Ava Transport AS | Transport & logistics | 2026 |
| Avico Da | Wholesale & retail | 1986 |
| Avra Spedisjon Og Spesialtransport AS | Transport & logistics | 2022 |
| Az Boligforvaltning AS | Real estate | 2021 |
| Az Holding AS | Real estate | 2021 |
| Bad & Rør Teknikk AS | Construction | 2009 |
| Bailando AS | | 2020 |
| Bako AS | Manufacturing | 1971 |
| Batronic AS | Information & communication | 1992 |
| Bedre Rengjøring AS | Administrative & support | 2013 |
| Bedring AS | Wholesale & retail | 2025 |
| Benjamin Keim Thøgersen Holding AS | | 2026 |
| Beste-Far AS | | 2024 |
| Bestinvest AS | | 2023 |
| Bilal Consulting AS | Professional & scientific | 2026 |
| Bilform AS | Manufacturing | 2007 |
| Bilglassgruppen AS | Wholesale & retail | 1974 |
| Bilhuset Oslo AS | Transport & logistics | 2012 |
| Blinken Transport AS | Transport & logistics | 2023 |
| Blomstersenteret Bergen AS | Real estate | 2017 |
| Boda Bygg AS | Construction | 2024 |
| Bong Norge AS | Wholesale & retail | 1975 |
| Borgundvegen AS | Real estate | 2010 |
| Botrivsel AS | Construction | 2024 |
| Brico AS | Financial services | 2005 |
| Brita Gu Holding AS | | 2018 |
| Broker Logistikk AS | Transport & logistics | 2023 |
| Brokkoli AS | Hospitality | 2025 |
| Brusdalsvegen 200 AS | Real estate | 2007 |
| Brødrene Tassadiq AS | Financial services | 2020 |
| Bsjd Holding AS | | 2020 |
| Bue Boligutvikling Og -Eierskap AS | Real estate | 2006 |
| Buer Bygningsvern AS | Construction | 2018 |
| Bullbear Invest AS | | 2025 |
| Burkert Norway AS | Wholesale & retail | 1980 |
| BW Elbemanning Da | Construction | 2010 |
| Byggpartner Akershus AS | Construction | 2013 |
| Bårliåsen Eiendom AS | Real estate | 2011 |
| Carnext.Com No AS | Wholesale & retail | 2019 |
| Carstore AS | Wholesale & retail | 2020 |
| CH Studio AS | Professional & scientific | 2020 |
| Chimeraholding AS | Real estate | 2023 |
| Chubby Hubby Holding AS | | 2019 |
| Chubby Mummy Holding AS | | 2020 |
| Clean Flame AS | Wholesale & retail | 2010 |
| Coates Kvartalet Eiendom AS | Real estate | 2018 |
| Coco Jambo AS | Arts & recreation | 2018 |
| Colin Holdning AS | Real estate | 2013 |
| Colordot Design AS | Professional & scientific | 2012 |
| Conpart AS | Manufacturing | 2002 |
| Createurene Kommunikasjon Og Reklame AS | Professional & scientific | 2002 |
| Creative Connections AS | Arts & recreation | 2016 |
| Cursiv AS | Information & communication | 2025 |
| Cutclub AS | Other services | 2024 |
| Daaland Holding AS | Financial services | 2005 |
| Dan Magnus Keim Holding AS | | 2026 |
| Delicious Express AS | Hospitality | 2005 |
| Dennis Røller AS | Professional & scientific | 2018 |