| Kunstkonsulent Hanne Laland AS | Arts & recreation | 2026 |
| Kunstkvartalet Nytorget AS | Real estate | 2026 |
| Kunstpausen AS | Hospitality | 2006 |
| Kunstskolen I Stavanger AS | Education | 2019 |
| Kunstverket Da | Arts & recreation | 2024 |
| Kurant AS | Professional & scientific | 2023 |
| Kurant Invest AS | Professional & scientific | 2023 |
| Kurer Bud & Transport Da | Transport & logistics | 2000 |
| Kurer Distribusjon Da | Transport & logistics | 2004 |
| Kurt Jåsund Invest AS | Professional & scientific | 2010 |
| Kusinen AS | Hospitality | 2025 |
| Kuskjær AS | Real estate | 2011 |
| Kuyashii AS | Hospitality | 2018 |
| KV1 Tomt 1 AS | Real estate | 2025 |
| KV1 Tomt 4 AS | Real estate | 2026 |
| Kvako AS | Professional & scientific | 2024 |
| Kvalabergveien 21 AS | Real estate | 2006 |
| Kvales Eiendom AS | Real estate | 1982 |
| Kvalvågbotn Renseanlegg SA | Water & waste | 2017 |
| Kvame Invest AS | Real estate | 2009 |
| Kvamen Capital & Construction AS | Professional & scientific | 2025 |
| Kvamme Gpi AS | Real estate | 2013 |
| Kvammen Produksjoner AS | Arts & recreation | 2019 |
| Kvasar AS | Information & communication | 2022 |
| Kvelland Invest AS | Financial services | 2016 |
| Kverneland Bil Holding AS | Other services | 2022 |
| Kverneland Boligutvikling AS | Real estate | 2012 |
| Kverneland Eiendomsutvikling AS | Real estate | 2015 |
| Kverneland Holding AS | Professional & scientific | 2018 |
| Kverneland Invest AS | Professional & scientific | 2018 |
| Kverneland Investering AS | | 2013 |
| Kverneland Miljøbygg AS | Real estate | 2013 |
| Kverneland Mobility AS | | 2015 |
| Kvernevikveien 99 AS | Real estate | 2008 |
| Kverntorget Park AS | Real estate | 2004 |
| Kvernvold Invest AS | Mining & quarrying | 2008 |
| Kvia Bilutleie AS | Administrative & support | 1987 |
| Kvidemyr AS | Professional & scientific | 2025 |
| Kvindesland AS | Arts & recreation | 2026 |
| Kvinner & Kompetanse AS | Education | 2024 |
| Kvitsøygaten 30 AS | Real estate | 2012 |
| Kvitsøygaten 84 AS | Real estate | 2005 |
| KVL AS | | 2023 |
| Kvål Næringspark AS | Real estate | 2006 |
| Kyllingstad Eiendom AS | Real estate | 1991 |
| Kystfiske Service AS | Agriculture & fishing | 2016 |
| Kyte Byggservice AS | Construction | 2025 |
| KZN Invest AS | Financial services | 2015 |
| Kåres Holding AS | Real estate | 2005 |
| Kåto AS | | 2025 |
| Köd Stavanger AS | Hospitality | 2022 |
| Køhler Eiendom AS | Real estate | 2018 |
| Køhler Legesenter Da | Health & social care | 2013 |
| L S Egeland AS | Real estate | 1983 |
| L S Solland Holding AS | Real estate | 1973 |
| L&T Holding AS | Wholesale & retail | 2018 |
| L&V Takst AS | Real estate | 2019 |
| L'Italiano Da | Hospitality | 1996 |
| L3 Consult AS | Professional & scientific | 2017 |
| La Deg Lura AS | Other services | 2021 |
| La Famiglia AS | Wholesale & retail | 2015 |
| La Mirada AS | Other services | 2025 |
| Laat AS | Professional & scientific | 2018 |
| Lab Valen AS | Information & communication | 2019 |
| Labb Eiendom AS | Real estate | 2020 |
| Laberget 50 AS | Real estate | 2017 |
| Laboremus Investering AS | Information & communication | 2017 |
| Lacasa AS | Real estate | 1995 |
| Lacrimalis AS | Health & social care | 2022 |
| Lad Holding AS | | 2021 |
| Lad Invest AS | | 2018 |
| Ladma AS | Professional & scientific | 2019 |
| Ladstein AS | Real estate | 1988 |
| Ladstein Takst AS | Real estate | 2023 |
| Laerdal AS | Real estate | 2016 |
| Laerdal Benelux N.V. Norwegian Branch | Wholesale & retail | 2020 |
| Laerdal Eiendom AS | Real estate | 2024 |
| Laerdal Global Health AS | Professional & scientific | 2010 |
| Laerdal Invest AS | Real estate | 2012 |
| Laerdal Medical AS | Manufacturing | 1997 |
| Laerdal Medical Corporation | Wholesale & retail | 2002 |
| Lafco AS | Financial services | 1995 |
| Lagdugnaden AS | Wholesale & retail | 2024 |
| Lager & Fuger AS | Wholesale & retail | 2010 |
| Lageret Vårt AS | Real estate | 2008 |
| Lagerveien 12A AS | Real estate | 2006 |
| Lagerveien 20 AS | Real estate | 2002 |
| Lagerveien 24 AS | Real estate | 2002 |
| Lagerveien 25 AS | Real estate | 2010 |
| Lagerveien 30 AS | Real estate | 2004 |
| Laget Holding AS | Financial services | 2017 |
| Lagårdsveien 27 AS | Real estate | 1936 |
| Lagårdsveien 32 AS | Real estate | 2023 |
| Lagårdsveien Tomter AS | Real estate | 2023 |
| Lagårdsveien Utvikling AS | Real estate | 2012 |
| Lakkereren AS | Other services | 2008 |
| Laksesiddis Invest AS | Financial services | 2011 |
| Laksiya Holding AS | | 2025 |
| Lambada Spirit L.L.C. Nuf | Administrative & support | 2024 |
| Lambda AS | Professional & scientific | 2012 |