| Jan Aage Nilsen Holding AS | Wholesale & retail | 2015 |
| Jan Netland Holding AS | Construction | 2005 |
| Jan-Erik Rafoss Transport AS | Transport & logistics | 2016 |
| Janicke Reiersen Hest Og Hund AS | Other services | 2024 |
| Janok Eiendom AS | Real estate | 2000 |
| Jemo Eiendom AS | Real estate | 2015 |
| Jiru Utvikling AS | Real estate | 2024 |
| K I H Eiendom AS | Real estate | 2011 |
| K-M Eiendom AS | Real estate | 2014 |
| Ka Utvikling AS | | 1987 |
| Karl S. Mygland AS | Construction | 2021 |
| KGS Eiendom Da | Agriculture & fishing | 2014 |
| Kim & Kenneth Bilrekvisita Ans | Wholesale & retail | 1999 |
| Klfi AS | | 2025 |
| Knabenes Holding AS | Real estate | 2019 |
| Knabenes Maskin & Mekaniske AS | Construction | 2024 |
| Knabenes Maskin AS | Construction | 2016 |
| Krågeland Vann Og Avløp SA | Water & waste | 2021 |
| Kto AS | Real estate | 2010 |
| Kvavik Eiendom AS | Real estate | 1999 |
| Kvikk Studio AS | Professional & scientific | 2021 |
| Kvikraft AS | Energy | 2005 |
| Kvina Bygg AS | Construction | 1990 |
| Kvina Eiendom & Invest AS | Real estate | 2001 |
| Kvina Holding AS | Construction | 2005 |
| Kvina Tann AS | Health & social care | 2026 |
| Kvinagarasjen AS | Real estate | 2012 |
| Kvinateltet AS | Administrative & support | 2018 |
| Kvinesdal Blomster Og Hagesenter AS | Agriculture & fishing | 2005 |
| Kvinesdal Blomster Og Interiør AS | Wholesale & retail | 2019 |
| Kvinesdal Drosjesentral Da | Transport & logistics | 2010 |
| Kvinesdal Eiendom AS | Real estate | 2007 |
| Kvinesdal Farger AS | Wholesale & retail | 2018 |
| Kvinesdal Golf AS | Arts & recreation | 2012 |
| Kvinesdal Gull Og Sølv AS | Wholesale & retail | 2021 |
| Kvinesdal Holding AS | Professional & scientific | 2015 |
| Kvinesdal Kommunebygg AS | Real estate | 2002 |
| Kvinesdal Lakk Og Skade AS | Other services | 2004 |
| Kvinesdal Legesenter AS | Health & social care | 2016 |
| Kvinesdal Legesenter Eiendom AS | Real estate | 2016 |
| Kvinesdal Mesterbygg AS | Construction | 2008 |
| Kvinesdal Pizza AS | Hospitality | 2020 |
| Kvinesdal Restaurant Drift AS | Hospitality | 2018 |
| Kvinesdal Sparebank | Financial services | 1986 |
| Kvinesdal Stein AS | Mining & quarrying | 2010 |
| Kvinesdal Tannlegesenter AS | Health & social care | 2017 |
| Kvinesdalteltet Ba | Administrative & support | 2006 |
| Latskog AS | Agriculture & fishing | 2022 |
| LH Anlegg AS | Construction | 2018 |
| Liknes Bensin AS | Wholesale & retail | 2002 |
| Liknes Eiendom AS | Real estate | 1994 |
| Lindov Eiendom AS | | 2025 |
| Lindov Holding AS | | 2026 |
| Listaland AS | Real estate | 2021 |
| Lister Engineering AS | Professional & scientific | 2018 |
| Lister Ferdigbetong AS | Wholesale & retail | 2012 |
| Lister Holding AS | Professional & scientific | 2012 |
| Lister Hundesenter AS | Other services | 2015 |
| Lister Laserklinikk AS | Health & social care | 2021 |
| Lister Næringspark SA | Real estate | 2013 |
| Listerskjell AS | Agriculture & fishing | 2018 |
| LNG Enterprises AS | Professional & scientific | 2017 |
| Long Lost AS | Information & communication | 2025 |
| Lro AS | Transport & logistics | 2024 |
| Lunden Eiendom Invest AS | Real estate | 2021 |
| Lunden Food AS | Hospitality | 2021 |
| M. Solberg Maskin AS | Construction | 2019 |
| Massasje- Og Muskelterapeut Marion R Egenes AS | Health & social care | 2021 |
| Medåsveien Invest AS | | 2022 |
| Mesterbygg Sør-Vest AS | Construction | 2025 |
| Mesterflis Sør AS | Wholesale & retail | 2018 |
| Mikes Gulvsliping AS | Construction | 2019 |
| Mjelkebakkan AS | | 2020 |
| Moi Bygg AS | Construction | 2001 |
| Moi Eiendomsutvikling AS | Real estate | 2010 |
| Moi Panorama AS | Real estate | 2007 |
| Multigroomers A/S | Other services | 2016 |
| Mygland Graveservice AS | Construction | 2020 |
| Mygland Maskin Og Service AS | Construction | 2022 |
| Myrt Eiendom AS | Real estate | 2015 |
| Nero Eiendom AS | Real estate | 2006 |
| Nesgata 13 AS | Real estate | 2004 |
| Nic Nilsen Holding AS | Wholesale & retail | 2015 |
| Nicita Ans | Wholesale & retail | 1991 |
| Nico Eiendom AS | Wholesale & retail | 2015 |
| Nico Eiendom Kvinesdal AS | Real estate | 2005 |
| Nico Mat AS | Wholesale & retail | 2015 |
| Nils Kloster AS | Construction | 1981 |
| Nordic Power Rental AS | Wholesale & retail | 2026 |
| Norges Multikulturelle Senter AS | Education | 2014 |
| Nye Fjotland Pels AS | Agriculture & fishing | 2010 |
| O Konsmo AS | Construction | 2004 |
| Okr Eiendom 1 AS | Administrative & support | 2010 |
| Okr Holding AS | Administrative & support | 2005 |
| Oksefjell Invest AS | Administrative & support | 2014 |
| Oksekraft AS | Energy | 2004 |
| Ole Gabriel Løland AS | | 2019 |
| Omdal Company AS | Wholesale & retail | 2015 |
| Omland Maskin AS | Construction | 2007 |
| Opofte Consulting AS | Professional & scientific | 2023 |