| Opplysningskontoret for Vin Ans | Administrative & support | 2000 |
| Opplæringsringen for Industrifag I Flekkefjordregionen SA | Education | 1995 |
| Optipower AS | Manufacturing | 2022 |
| Orthe Invest AS | | 2026 |
| Orthe Maskin AS | Construction | 2025 |
| Panzer Bygg AS | Construction | 2026 |
| Pedersen Eiendom Invest AS | Real estate | 2020 |
| Pepita Frisørsalong AS | Other services | 2002 |
| Per Holding AS | Real estate | 2007 |
| Pi Proof AS | Information & communication | 2019 |
| Picasso.Frisør.As | Other services | 2008 |
| Powafa AS | Professional & scientific | 2020 |
| Powafa Sensor AS | Professional & scientific | 2021 |
| Prestegarden Holding AS | Real estate | 2007 |
| Pro Property Kvinesdal AS | Real estate | 2020 |
| Prosjektkontroll Sør AS | Professional & scientific | 2014 |
| QTD AS | | 2016 |
| R.R Consult AS | Health & social care | 2011 |
| R.Solhaug Holding AS | | 2024 |
| Rafoss AS | Agriculture & fishing | 2019 |
| Rafoss Glass AS | Construction | 2024 |
| Rafoss Holding AS | | 2023 |
| Rafoss Invest AS | Real estate | 2021 |
| Randi Rusdal Holding AS | Financial services | 2018 |
| Ravir AS | Real estate | 2010 |
| RBB AS | Construction | 2019 |
| RBB Eiendomsselskap AS | Real estate | 2026 |
| Red Cabin Studios AS | Information & communication | 2021 |
| Reiersen Invest AS | Real estate | 2001 |
| Remøy Investment AS | Professional & scientific | 2012 |
| RG Maskin AS | Construction | 2019 |
| RGD Eiendom AS | Real estate | 2023 |
| RHR Eiendom AS | Real estate | 2009 |
| Rino EIENDOM2 AS | Real estate | 2014 |
| Riverside Studio AS | Information & communication | 2021 |
| Rolf Nilsen Holding AS | Financial services | 2017 |
| Rsjk AS | Real estate | 2007 |
| Rusdal Holding AS | Construction | 2005 |
| Rørvik & Dugan AS | Real estate | 2012 |
| S. Kvinlog AS | Agriculture & fishing | 2024 |
| SA Sagevollen Holding AS | Financial services | 2005 |
| Salong Fiks Ans | Other services | 1980 |
| Sande Skogsvegforening | Real estate | 1998 |
| Sandvand Industrihall AS | Real estate | 2008 |
| Sarons Dal AS | Hospitality | 1971 |
| Seb Skog AS | Agriculture & fishing | 2012 |
| Seljestad Bygg AS | Construction | 2014 |
| Seniqs AS | Information & communication | 2019 |
| Sigersvold Invest AS | Mining & quarrying | 2005 |
| Sindland Holding AS | | 2024 |
| Sirdal Betongpumping AS | Construction | 2015 |
| SJ Produkter AS | Wholesale & retail | 2024 |
| SJ Sol AS | Wholesale & retail | 2021 |
| SKR Bygg AS | Construction | 2019 |
| Skårva Eiendom AS | Real estate | 2019 |
| Skårva Holding AS | Construction | 2021 |
| Solberg Eiendom Kvinesdal AS | Real estate | 2019 |
| Sondre Haddeland Holding AS | Real estate | 2018 |
| Spinnvill Kvinesdal AS | Other services | 2008 |
| Stadionvegen AS | Real estate | 2008 |
| Stakkeland Byggtjenester AS | Construction | 2012 |
| Stordrange Prosjekt AS | Information & communication | 2026 |
| Storekvina Handel AS | Wholesale & retail | 2023 |
| Stretsj AS | Health & social care | 2018 |
| Sveigenes Eiendom AS | Real estate | 2018 |
| Synnes & Aamodt Eiendom AS | Professional & scientific | 2018 |
| Synnes Holding AS | | 2026 |
| Sør Vest Utvikling AS | Real estate | 2008 |
| Sørlandet Fasadevask AS | Administrative & support | 2021 |
| Sørvest Betongpumping AS | Construction | 2012 |
| Sørvest Industri AS | Manufacturing | 2020 |
| Sørvest-Varmepumpeservice Og Eiendom AS | Construction | 2012 |
| T Aase Holding AS | | 2022 |
| T3 Bygg AS | Construction | 2022 |
| Tbjelland Holding AS | | 2023 |
| Tecmaster AS | Wholesale & retail | 2018 |
| Terje Galdal AS | Construction | 2005 |
| The Look and Feel AS | | 2018 |
| Tinius AS | Hospitality | 2002 |
| Tip Invest AS | Real estate | 2006 |
| TJ Service AS | Construction | 2016 |
| Tonning & Egeland Kvinesdal AS | Wholesale & retail | 1989 |
| Trehjul Da | Administrative & support | 2006 |
| Treland Bygg AS | Construction | 2013 |
| Trestokken Eiendom AS | Real estate | 2012 |
| Trestokken Snekkerverksted AS | Manufacturing | 2012 |
| Tronn Thoresen AS | Construction | 2014 |
| Træland Holding AS | | 2020 |
| Ultrajet AS | Wholesale & retail | 2012 |
| Uno Eiendom Kvinesdal AS | Real estate | 2008 |
| USA Experten Ok Reiser AS | Administrative & support | 1998 |
| Utsikten Hotell Drift AS | Hospitality | 2006 |
| Utsikten Hotell Eiendom AS | Real estate | 2002 |
| Utstyrhuset Ans | Wholesale & retail | 1983 |
| Vatland Fjellboring AS | Construction | 2022 |
| Vatland Maskin-Utleie AS | Administrative & support | 2018 |
| Vatland's Mekaniske AS | Manufacturing | 2026 |
| Veggeland Anlegg AS | Construction | 2024 |
| Veggeland Eiendom AS | Real estate | 2020 |
| Vest-Agder Spælverring SA | Agriculture & fishing | 2023 |