| Ada Capital AS | | 2020 |
| Advokatfirmaet Lundemo Da | Professional & scientific | 2003 |
| Agri Bygg AS | Real estate | 2008 |
| Agri Bygg Eiendom AS | Real estate | 2015 |
| Agri Bygg Levanger AS | Real estate | 2018 |
| Agri Bygg Levanger II AS | Real estate | 2020 |
| Agri Bygg Malmefjorden AS | Real estate | 2024 |
| Agri Bygg Orkdal AS | Real estate | 2019 |
| Agri Bygg Rissa AS | Real estate | 2025 |
| Agri Bygg Surnadal AS | Real estate | 2023 |
| Agri Bygg Utleie AS | Real estate | 2024 |
| Agri Bygg Ørland AS | Real estate | 2019 |
| Agri Drift AS | Real estate | 2023 |
| Agri Eiendomsutvikling AS | Real estate | 2025 |
| Agri Midt-Norge AS | Wholesale & retail | 2019 |
| Agroquip AS | Construction | 2015 |
| Aina Reiss-Jacobsen AS | Education | 2024 |
| Alti Arendal AS | Real estate | 1992 |
| Alti AS | Real estate | 2019 |
| Alti Boligutvikling Vestby AS | Real estate | 2023 |
| Alti Brotorvet AS | Real estate | 2014 |
| Alti Drift AS | Real estate | 2025 |
| Alti Eiendomsinvest AS | | 2022 |
| Alti Eiendomsinvest Sør AS | | 2022 |
| Alti Forvaltning AS | Real estate | 2017 |
| Alti Futura AS | Real estate | 2001 |
| Alti Harebakken AS | Real estate | 2018 |
| Alti Invest AS | Real estate | 2019 |
| Alti Kragerø AS | Real estate | 2007 |
| Alti Levanger Holding AS | Real estate | 2020 |
| Alti Magneten AS | Real estate | 1984 |
| Alti Mandal AS | Real estate | 2007 |
| Alti Melhus Torget AS | Real estate | 2026 |
| Alti Mosjøen AS | Real estate | 1989 |
| Alti Regnskap AS | Professional & scientific | 2019 |
| Alti Sortland AS | Real estate | 2002 |
| Alti Storkaia AS | Real estate | 2003 |
| Alti Sunndal AS | Real estate | 2002 |
| Alti Surnadal AS | Real estate | 2008 |
| Alti Svolvær AS | Real estate | 2004 |
| Alti Tynset AS | Real estate | 1992 |
| Alti Ørsta AS | Real estate | 2004 |
| Altisaks AS | Real estate | 2024 |
| Amanda Storsenter AS | Real estate | 1987 |
| Amco Eiendom AS | Real estate | 2007 |
| Amfi AS | Real estate | 1993 |
| Amfi Bolig AS | Real estate | 2021 |
| Amfi Bygg Eidsvoll AS | Real estate | 2002 |
| Amfi Bygg Elverum 2 AS | Real estate | 2023 |
| Amfi Bygg Elverum AS | Real estate | 2000 |
| Amfi Bygg Fauske AS | Real estate | 1997 |
| Amfi Bygg Longyearbyen AS | Real estate | 2013 |
| Amfi Bygg Moa AS | Real estate | 1987 |
| Amfi Drift AS | Real estate | 1995 |
| Amfi Drift Storebrand AS | Real estate | 1994 |
| Amigos De Espana AS | Real estate | 2006 |
| Amigos De Las Gemelas La Manga AS | Real estate | 2008 |
| Amigos De Playa Flamenca AS | Real estate | 2011 |
| Amk Eiendom AS | Real estate | 2004 |
| Anders Eiendom Ans | Real estate | 2002 |
| Ans Conteam | Real estate | 1986 |
| Ans Storgata 36 38 40 | Real estate | 1990 |
| Ant AS | Professional & scientific | 2013 |
| Aq Eiendom AS | Real estate | 2020 |
| Aspøya Byggsenterbygg AS | Real estate | 2000 |
| Aspøya Fjordsenter AS | Real estate | 1992 |
| Atleta AS | Other services | 2006 |
| Aurora City Syd AS | Real estate | 2026 |
| Aurora Eiendom AS | Real estate | 2021 |
| Avora Holding AS | | 2025 |
| Axia-Holding AS | | 2025 |
| Bar Bakke Eiendom AS | Real estate | 2023 |
| Begrun Eiendom AS | Real estate | 1999 |
| Begrun Holding AS | Real estate | 2022 |
| Bekkestua Senter AS | Real estate | 2020 |
| Bekkestua Senter Drift II AS | Real estate | 2018 |
| Beler AS | Professional & scientific | 2017 |
| Bell Tekstil AS | Wholesale & retail | 2002 |
| Belsås Drift AS | Construction | 2025 |
| Bhjell AS | Real estate | 2012 |
| Bilmaks Da | Wholesale & retail | 2007 |
| Bio Marine AS | Wholesale & retail | 2015 |
| Biosyntech Surnadal AS | Professional & scientific | 2023 |
| Bjarne Schei AS | Wholesale & retail | 1999 |
| Bjørkelangen Torg AS | Real estate | 2005 |
| Bjørkelangen Torg Drift AS | Real estate | 2010 |
| BKB Eiendom Og Utleie AS | Real estate | 2020 |
| BKB Surnadal AS | Construction | 2020 |
| Blomstermakeriet Orkideen AS | Arts & recreation | 2024 |
| Boille AS | Real estate | 2008 |
| Brattøra Eiendom AS | Real estate | 1993 |
| Breivika Næringspark AS | Real estate | 2015 |
| Breiviktunet AS | Real estate | 2006 |
| Brekkøya Camping AS | Hospitality | 1988 |
| Brems AS | Manufacturing | 2024 |
| Buskerud Senter AS | Real estate | 1996 |
| Byggmarked Surnadal AS | Wholesale & retail | 1997 |
| Byggmester Holten AS | Construction | 2026 |
| Byggmester Øyvind Svinvik AS | Construction | 2017 |
| Bårdshaug Nord AS | Real estate | 2008 |