| 2MENN Ans | Wholesale & retail | 2010 |
| 3D Landskap AS | Professional & scientific | 2023 |
| 3KON AS | Information & communication | 2017 |
| 7ERTSEN AS | Financial services | 2005 |
| A Lycke Invest AS | Real estate | 2021 |
| Aamot Regnskapstjenester AS | Professional & scientific | 2005 |
| Aarredahl Consulting AS | Construction | 2005 |
| Abm Salg AS | Wholesale & retail | 2017 |
| Aea Investors AS | Professional & scientific | 2005 |
| Agder Ventpro AS | Construction | 2025 |
| Agder-Erfa AS | Professional & scientific | 2022 |
| Agderparken BN1 Tomt 3 AS | Real estate | 2023 |
| Agderparken BN2-4 AS | Real estate | 2024 |
| Ahns Holding AS | | 2026 |
| Akselerator Holding AS | | 2020 |
| All in Drift AS | Professional & scientific | 2025 |
| All in Eventbyrå AS | Education | 2025 |
| All in Gruppen AS | Professional & scientific | 2025 |
| Amiga Garderoben Arendal AS | Wholesale & retail | 2017 |
| Ana Invest AS | | 2016 |
| Ancalima AS | | 2025 |
| Andersen Digitalbyrå AS | Information & communication | 2021 |
| Anne Lene Dale AS | Professional & scientific | 2020 |
| Apex Montasje AS | Construction | 2026 |
| Aquarious AS | Professional & scientific | 2020 |
| Ar Mekk Da | Manufacturing | 2023 |
| Arendal Bygg AS | Construction | 2020 |
| Arendal Ribsafari AS | Arts & recreation | 2024 |
| Arendal Solskjerming AS | Wholesale & retail | 2021 |
| Arendal Torv AS | Real estate | 2023 |
| Ark P-Plass AS | Real estate | 2020 |
| AS Droma | Professional & scientific | 1985 |
| AS Lege Jelena Vucinic | Health & social care | 2019 |
| Aspheimen AS | Professional & scientific | 2016 |
| Atla AS | Wholesale & retail | 2011 |
| Av Systemer AS | Other services | 2015 |
| Axantur AS | | 2021 |
| Aør Holding AS | | 2021 |
| Bailine Akademiet AS | Education | 2011 |
| Bailine Helse- Og Smertekontroll AS | Education | 2009 |
| Bakkar & Berg Holding AS | Professional & scientific | 2023 |
| Bbe Agder AS | Real estate | 2020 |
| BBQ Norway AS | Wholesale & retail | 2021 |
| Bendiksgården AS | Real estate | 1988 |
| Bendiksgården Eiendom AS | Real estate | 2020 |
| Bevisst Ernæring AS | Health & social care | 2025 |
| BFH Invest AS | | 2024 |
| Brann & Sikkerhets Tjenesten AS | Administrative & support | 2012 |
| Byggmester Jostein Ellefsen AS | Construction | 2013 |
| Centrum Elektro Holding AS | Construction | 2021 |
| Cod AS | Professional & scientific | 2010 |
| Consulendo AS | Information & communication | 2014 |
| Cullinan Eiendom AS | Real estate | 2020 |
| Databittech AS | Information & communication | 2017 |
| Den Lille Andevinge AS | Hospitality | 2016 |
| Dobb Invest AS | Construction | 2023 |
| DTB AS | Financial services | 2005 |
| Duus Consult AS | Professional & scientific | 2016 |
| E Johannesen AS | Professional & scientific | 2017 |
| E&I Consulting AS | Professional & scientific | 2012 |
| E-LEGE24 AS | Health & social care | 2024 |
| Edvardsen Investering AS | Wholesale & retail | 2025 |
| Efl Solutions AS | Professional & scientific | 2024 |
| Ejka AS | Wholesale & retail | 2022 |
| Electrobic Products AS | Manufacturing | 2004 |
| Elite Frisør Kathe Nilsen AS | Other services | 2013 |
| Energieffektiv Eiendomsutvikling AS | Real estate | 2011 |
| Eppeland Holding AS | Real estate | 2019 |
| Erik Mørkesdal Hansen AS | Wholesale & retail | 2016 |
| Et Studios AS | Information & communication | 2026 |
| Evp Holding AS | | 2022 |
| Far & Sønn Invest AS | | 2021 |
| Flaten Invest AS | Real estate | 2015 |
| Fossberg Invest AS | | 2024 |
| Fønix Boats AS | Manufacturing | 2016 |
| G Christensen Invest AS | Financial services | 2005 |
| Garcia Rengjoering Limited Nuf | Administrative & support | 2009 |
| Glacier-Records Da | Information & communication | 2014 |
| Glassmester Karl Olav Larsen A/S | Construction | 1980 |
| GNR.350BNR.1191 AS | Real estate | 2022 |
| Gråberget Holding AS | | 2023 |
| Gründerekspressen AS | Professional & scientific | 2018 |
| Hansen Og Stensvand Bygg AS | Construction | 2014 |
| Harebakken Autosenter AS | Wholesale & retail | 1985 |
| Hasani Holding AS | Real estate | 2023 |
| Hegna Holding 4 AS | Real estate | 2017 |
| His Apotek AS | Wholesale & retail | 2024 |
| His Bygg AS | Professional & scientific | 2007 |
| His Galleri AS | Wholesale & retail | 1998 |
| His Invest AS | Manufacturing | 1992 |
| His Pizza AS | Hospitality | 2023 |
| Hisøy Elektro AS | Construction | 1994 |
| Hisøy Mat AS | Wholesale & retail | 2002 |
| Hisøy Trevare AS | Manufacturing | 2009 |
| HN Båtservice AS | Manufacturing | 2022 |
| Hoffer Helps AS | Professional & scientific | 2025 |
| Hovde Holding AS | | 2006 |
| Husk Safety AS | Manufacturing | 2015 |
| Iber Eiendom AS | | 2023 |
| Iber Holding AS | | 2023 |