| Kjevik Ga Hangar AS | Transport & logistics | 2022 |
| Klevsund Invest AS | Professional & scientific | 2026 |
| Kortdugnad AS | Professional & scientific | 2016 |
| Kos I Koppen AS | Wholesale & retail | 2019 |
| KPR Investment AS | Administrative & support | 2010 |
| Kraft-Verket AS | Energy | 2012 |
| Kraft-Verket Invest AS | Energy | 2014 |
| Kristian De Lange Holding AS | | 2025 |
| Kristiansen Og Larsen Maling & Interiør AS | Construction | 2004 |
| Kristines Hud- Og Fotklinikk AS | Health & social care | 2024 |
| Lanpro Da | Information & communication | 2004 |
| Leverhogg AS | | 2022 |
| Lilly Wang Holdings AS | Real estate | 2019 |
| Linco Eiendom AS | Manufacturing | 1981 |
| Lol Invest AS | Financial services | 2005 |
| LQ Law AS | Professional & scientific | 2019 |
| LTH Invest AS | Real estate | 2019 |
| Maleks AS | Health & social care | 2024 |
| Manet AS | Professional & scientific | 2007 |
| Marginalia AS | Information & communication | 2024 |
| Martes Hudpleie AS | Other services | 2020 |
| Maskinfirma Åge Simonsen & Sønn AS | Transport & logistics | 2004 |
| Mellestock Invest AS | Real estate | 2022 |
| Merdø Avløp SA | Water & waste | 2009 |
| Merdø Kro AS | Hospitality | 2021 |
| MFB Anlegg Sør AS | Construction | 2013 |
| MHW Eiendom AS | Real estate | 2025 |
| Mildtech Norway AS | Professional & scientific | 2025 |
| Mond AS | Manufacturing | 2012 |
| Morild Sauna AS | Other services | 2024 |
| Mqe Norway AS | Professional & scientific | 2012 |
| Munin Holding AS | Wholesale & retail | 2005 |
| Murmester Thomas Skauen AS | Construction | 2023 |
| Murmester Vetle Knudsen AS | Construction | 2023 |
| Naturalbeauty AS | Other services | 2020 |
| Neset Terrasse AS | Real estate | 2025 |
| NO.1 Jeans-Store AS | Wholesale & retail | 2019 |
| Norcas AS | Financial services | 2005 |
| Nordvik Jensen Consulting AS | Administrative & support | 2017 |
| Norsk Skipsbrukt AS | Wholesale & retail | 2013 |
| Norsk Vvs-Produksjon AS | Administrative & support | 2023 |
| Nrgcon AS | Professional & scientific | 2003 |
| Nuri Invest AS | | 2026 |
| Occo Holding AS | | 2025 |
| Olaf Knudsen & Co AS | Transport & logistics | 2014 |
| Paa Eiendom Og Utleie AS | Real estate | 2006 |
| Paa Eiendomsutvikling AS | Real estate | 2009 |
| PBR Invest AS | | 2025 |
| Pistasjis Design AS | Information & communication | 2013 |
| Plannit AS | Professional & scientific | 2023 |
| Plannit-Project AS | Professional & scientific | 2025 |
| Pollen Consulting AS | Professional & scientific | 2022 |
| Predator Boats Service & Production AS | Manufacturing | 2013 |
| Profitt AS | Real estate | 2015 |
| Proverdi Holding AS | Financial services | 2011 |
| Pusnes Eiendom AS | Real estate | 1994 |
| Pusnes Maritime AS | Transport & logistics | 2021 |
| Pusnes Maritime Holding AS | | 2025 |
| Qltech AS | Manufacturing | 2017 |
| Quint Invest AS | Real estate | 2007 |
| Raet Camping AS | Hospitality | 2018 |
| Revesandveien 218 AS | Real estate | 2023 |
| Risør Byggservice AS | Construction | 2018 |
| Roald Gundersen AS | Professional & scientific | 2005 |
| Rockyshores Arendal AS | Real estate | 2023 |
| Rockyshores Consulting AS | Information & communication | 2019 |
| Rotwitt Bygningsfysikk AS | Professional & scientific | 2025 |
| Røverhistorier AS | Information & communication | 2022 |
| Salong Espen Ans | Other services | 1994 |
| Senwo Da | Construction | 1996 |
| Setekleiv Drift AS | Professional & scientific | 2026 |
| Sike AS | Real estate | 2021 |
| Sirkus AS | Professional & scientific | 2022 |
| Sjarken AS | Real estate | 2019 |
| Skagerrak Transocean Shipping Company AS | Professional & scientific | 2021 |
| Skoghaven Utvikling AS | Real estate | 2013 |
| Slovitco Consulting AS | Professional & scientific | 2026 |
| Smak Av Kroatia. Da | Wholesale & retail | 2024 |
| Smia Arkitektstudio AS | Professional & scientific | 2020 |
| Soak Music AS | Arts & recreation | 2012 |
| Sondela Invest AS | | 2022 |
| Spornes AS | Administrative & support | 2015 |
| Spornes Eiendom AS | Real estate | 2004 |
| Spornes Gårdsbarnehage AS | Education | 2010 |
| Spornes Vineyard Da | Agriculture & fishing | 2024 |
| Sporneshyttene Va Drift SA | Water & waste | 2020 |
| Stairs Holding AS | Health & social care | 2009 |
| Stein Erik Setekleiv AS | Financial services | 2013 |
| STK AS | Professional & scientific | 2012 |
| Stoaveien 4 AS | Real estate | 1980 |
| Stoaveien 5 AS | Real estate | 2007 |
| Storebjørn 2222 AS | Professional & scientific | 2005 |
| Storecast AS | Information & communication | 2019 |
| Studio Spornes AS | Administrative & support | 2014 |
| Studio Spornes AS | Arts & recreation | 2026 |
| Studio Spornes Kultur AS | Administrative & support | 2022 |
| Studshammen Holding AS | Real estate | 2024 |
| Styrbord Invest AS | | 2026 |
| Sverre Valvik AS | Real estate | 2005 |
| Sør Service AS | Administrative & support | 2021 |