| Kvislabakken Utvikling AS | Real estate | 2023 |
| Kvisvik Holding AS | Real estate | 2005 |
| Kvitblink Holding AS | | 2019 |
| Kvithammer Gård Drift AS | Real estate | 2024 |
| Kvitka Software AS | Information & communication | 2019 |
| Kvitland AS | Information & communication | 2024 |
| Kvitugla AS | Professional & scientific | 2022 |
| Kværnerfossen AS | Real estate | 2024 |
| Kværnø Holding AS | Wholesale & retail | 2005 |
| Kværnø Sko AS | Wholesale & retail | 1966 |
| Kværnø Sko City Lade AS | Wholesale & retail | 2014 |
| Kybernesis AS | Information & communication | 2013 |
| Kymar Sectech AS | Construction | 2017 |
| Kyndig AS | Professional & scientific | 2025 |
| Kyp AS | Financial services | 2015 |
| Kyp Studio AS | Information & communication | 2026 |
| Kyrre Havdal Holding AS | Arts & recreation | 2021 |
| Kys Invest AS | | 2026 |
| Kystad Holding AS | Financial services | 2009 |
| Kystad Tech AS | Manufacturing | 2018 |
| Kystad Tech Newco AS | Professional & scientific | 2026 |
| Kystadhaugen Familiebarnehage AS | Education | 2021 |
| Kystmiljø Aqua AS | Agriculture & fishing | 2023 |
| Kystretur AS | | 2024 |
| Kyvannsvegen 34 AS | Real estate | 2015 |
| Kara Fashion ANS Kate Sandnes Randi Kristiansen | Manufacturing | 1988 |
| Kran og Elektroservice ANS | | 1988 |
| Kåjådd Holding AS | | 2024 |
| Kæk AS | | 2025 |
| Køhler Holding AS | Real estate | 1989 |
| Kørven AS | Real estate | 2005 |
| L & L Biloppretting Ans | Other services | 1985 |
| L Bjørnaas Invest AS | | 2021 |
| L Holmberget AS | | 2024 |
| L K Holding AS | Real estate | 2005 |
| L O Jakobsen Holding AS | | 2016 |
| L. Fjell Holding AS | Administrative & support | 2018 |
| L. Hoftun Holding AS | Real estate | 2020 |
| L.G. Holding AS | Real estate | 2012 |
| L1 Consulting AS | Information & communication | 2018 |
| L2M Holding AS | Real estate | 2005 |
| La 24 Utvikling AS | Real estate | 2019 |
| La Casa De Papel AS | Real estate | 2021 |
| La Manga Apartments AS | Real estate | 2002 |
| La Pasta Di Palla AS | Hospitality | 2021 |
| La Pierre AS | Wholesale & retail | 2015 |
| LA67 Og Obh Utvikling AS | Real estate | 2023 |
| LA8PV Holding AS | | 2023 |
| Lab Bygg AS | Construction | 2025 |
| LAB5E AS | Information & communication | 2020 |
| Labb AS | Information & communication | 1907 |
| Labbe AS | Hospitality | 2023 |
| Labelnettverket Pitch AS | Professional & scientific | 2025 |
| Labolytic AS | Wholesale & retail | 2019 |
| Lacken Holdings AS | | 2019 |
| Ladalen Næring AS | Real estate | 2017 |
| Lade Agenda AS | Professional & scientific | 2019 |
| Lade Alle 24 AS | Real estate | 2003 |
| Lade Alle 67 Utvikling AS | Real estate | 2023 |
| Lade Alle 67A AS | Real estate | 2017 |
| Lade Alle 84 AS | Real estate | 2019 |
| Lade Alle Catering Ans | Hospitality | 2005 |
| Lade Alle Holding AS | Real estate | 2006 |
| Lade Alle Utleie AS | Real estate | 2025 |
| Lade Allé Hudklinikk AS | Other services | 2011 |
| Lade Arena 1 AS | Real estate | 2019 |
| Lade Arena 2 AS | Real estate | 2019 |
| Lade Arena Bilvask & Bilpleie AS | Other services | 2020 |
| Lade Blå Kiosken AS | Hospitality | 2016 |
| Lade Dame- Og Herrefrisør AS | Other services | 1999 |
| Lade Eiendom AS | Real estate | 2019 |
| Lade Forsikring Ans | | 1995 |
| Lade Forvaltning AS | Real estate | 2007 |
| Lade Handel AS | Real estate | 2025 |
| Lade Industriservice AS | Manufacturing | 2014 |
| Lade Kraftselskap AS | Real estate | 1992 |
| Lade Legesenter AS | Health & social care | 1993 |
| Lade Næringsbygg Da | Real estate | 2000 |
| Lade Tannhelsesenter AS | Health & social care | 2023 |
| Lade Tennisarena AS | Real estate | 2016 |
| Ladebekken 15 AS | Manufacturing | 2007 |
| Ladebekken 50 AS | Real estate | 2021 |
| Ladebekken Bistrobar AS | Hospitality | 2025 |
| Ladebekken Shipping AS | Transport & logistics | 2010 |
| Ladegaard Norge AS | Professional & scientific | 2009 |
| Ladehammeren AS | Real estate | 2021 |
| Ladehammeren Holding AS | | 2025 |
| Ladehammerveien 2A AS | Real estate | 1992 |
| Ladejarlen Eiendom AS | Real estate | 2011 |
| Ladejarlen Invest AS | | 2019 |
| Ladejarlen Mat Og Vinhus AS | Hospitality | 2015 |
| Ladeklinikken AS | Health & social care | 2021 |
| Lademoens Kirkealle 1 AS | Real estate | 2021 |
| Ladenor AS | Hospitality | 2020 |
| Ladesletta AS | Real estate | 2020 |
| Ladesletta Hagesenter AS | Real estate | 1997 |
| Ladeveien Holding AS | Real estate | 2013 |
| Ladeverket AS | Other services | 2025 |
| Lads on the Run Da | Arts & recreation | 2009 |
| Laetus AS | Financial services | 2016 |