| 123EIENDOM AS | | 2021 |
| 18 Restaurant AS | Hospitality | 2018 |
| 4700 Invest AS | Professional & scientific | 2016 |
| A-Kristiansen Invest AS | Wholesale & retail | 2023 |
| A. Mollestad Invest AS | Transport & logistics | 2005 |
| A.T.V. Vennesla Da | Wholesale & retail | 2004 |
| A3 Ressurs Holding AS | Real estate | 1995 |
| Aas Holding AS | Real estate | 2015 |
| Abkons Ans | | 1989 |
| Act and See AS | Professional & scientific | 2022 |
| Adsi Develop AS | Information & communication | 2026 |
| Af Otium Pluss Nyli Da | Real estate | 2026 |
| AG Maskinutleie Da | Construction | 2007 |
| Agder Americana AS | | 2026 |
| Agder Injeksjon AS | Professional & scientific | 2024 |
| Agder Kurs Og Kompetanse AS | Education | 2025 |
| Agder Lyd AS | Wholesale & retail | 1997 |
| Agder Mekaniske Verksted AS | Manufacturing | 2016 |
| Agder Naturstein AS | Construction | 2021 |
| Agder Oppmerking AS | Construction | 2015 |
| Agder Proff AS | Administrative & support | 2023 |
| Agder Rør Og Bad AS | Construction | 2024 |
| Agder Stein & Monument AS | Wholesale & retail | 2018 |
| Agder Tak AS | Construction | 2010 |
| Agder Vann Og Avløpsteknikk AS | Administrative & support | 2024 |
| Agder Villsau Da | Agriculture & fishing | 2004 |
| Agulv AS | Construction | 2020 |
| Agulv Eiendom AS | Real estate | 2019 |
| Aixode AS | Information & communication | 2025 |
| Ak Service AS | Administrative & support | 2023 |
| Al-Invest AS | | 2021 |
| Aland Invest AS | Financial services | 2005 |
| Alces Da | Agriculture & fishing | 2018 |
| Alesco Eiendom AS | Real estate | 2016 |
| Alfa Inspections AS | Professional & scientific | 2024 |
| Almedal Bygg AS | Construction | 2025 |
| Alopo AS | Financial services | 2005 |
| Alt Mulig Service AS | Wholesale & retail | 2022 |
| Amv Invest AS | Manufacturing | 2001 |
| Anesthesia Service AS | Health & social care | 2018 |
| Anitas Hud- Og Fotterapi AS | Health & social care | 2016 |
| Arkaden Opplevelser AS | Arts & recreation | 2026 |
| Arne Gundersen Transport AS | Transport & logistics | 2022 |
| Arntsen Bygg Og Renovering AS | Construction | 2026 |
| Arop Holding AS | | 2022 |
| Artpilot AS | Professional & scientific | 2021 |
| Arv Helse AS | Education | 2012 |
| Asis AS | | 2023 |
| Ata Consult AS | Construction | 2017 |
| Atb Service AS | Real estate | 2011 |
| Auragården Eiendom AS | Real estate | 2010 |
| Auto K AS | Wholesale & retail | 2015 |
| Autoform AS | Wholesale & retail | 2017 |
| Autoform Invest AS | Professional & scientific | 2016 |
| B.E.K Eiendom AS | | 2023 |
| B.R.A. Trafikkskole AS | Education | 2024 |
| Bakken Televerksted AS | Other services | 2025 |
| Bakkenfiks AS | Administrative & support | 2024 |
| Bakkens Holding AS | Other services | 2025 |
| Barrios Group AS | Administrative & support | 2022 |
| Barstølveien 25 AS | Real estate | 1990 |
| Barstølveien 58 AS | Real estate | 2003 |
| Bas Investments AS | Real estate | 2006 |
| Bedriftseiendom AS | Real estate | 1993 |
| Berge-Minilager AS | Real estate | 2022 |
| Berglihn Transport AS | Transport & logistics | 2018 |
| Better Workwear Vennesla AS | Wholesale & retail | 2012 |
| Bevegant Invest AS | Transport & logistics | 2006 |
| Biffen AS | Hospitality | 2026 |
| Biffen Invest AS | Real estate | 2011 |
| Billes Varmepumper AS | Construction | 2017 |
| Birkedal Invest AS | | 2023 |
| Birkedal Maskin Da | Construction | 1998 |
| Birnisb AS | Professional & scientific | 2023 |
| Bjørktein AS | | 2026 |
| Bjørnarå Rørleggermester AS | Construction | 1988 |
| BL Eiendom AS | Financial services | 2005 |
| Blink Trafikkskole AS | Education | 2006 |
| BM Anlegg AS | Construction | 2012 |
| BM Byhaven AS | Real estate | 2021 |
| BM Industrier AS | Manufacturing | 2023 |
| Borøy Eiendom AS | Real estate | 2024 |
| Borøy Høvling AS | Construction | 2022 |
| Braadland AS | Information & communication | 2013 |
| Brdr. Mangseth AS | Manufacturing | 2008 |
| Breland Kompetanse AS | Education | 2023 |
| BRH 13 AS | Real estate | 2021 |
| Bringebærdalen Familiebarnehage AS | Education | 2012 |
| Brocks AS | Information & communication | 2013 |
| Brokke Ventilasjon Og Blikk AS | Construction | 2018 |
| Bronebakk Øksekast AS | Wholesale & retail | 2023 |
| Broomstick AS | Information & communication | 2018 |
| Bruvegen AS | Wholesale & retail | 2019 |
| Bruvegen Utvikling AS | Real estate | 2019 |
| Brøk AS | Real estate | 2017 |
| BSM Holdning AS | Education | 2024 |
| Butuye Taxi AS | Transport & logistics | 2024 |
| Byggfirma Andersen Og Sjøberg Da | Construction | 2008 |
| Byggfirma Larsen AS | Construction | 2014 |
| Byggma ASA | Manufacturing | 1997 |