| Leite & Tjøstheim AS | Administrative & support | 2022 |
| Leitra Eiendom AS | Real estate | 2024 |
| Leitra Holding AS | Health & social care | 2024 |
| Leiv Invest AS | | 2024 |
| Lejon Skjold AS | | 2024 |
| Leknes & Co AS | | 2026 |
| Lektor Sæverud AS | Arts & recreation | 2017 |
| Lena Catering AS | Hospitality | 2000 |
| Lenas Rammeverksted AS | Manufacturing | 2020 |
| Lene Hoie AS | Professional & scientific | 2025 |
| Lene Interiør AS | Wholesale & retail | 2010 |
| Lene Sørø AS | Construction | 2024 |
| Leneknitdesign AS | Information & communication | 2024 |
| Lenger AS | Real estate | 2010 |
| Lenoo AS | Education | 2020 |
| Leonas AS | Professional & scientific | 2026 |
| Leos AS | | 2015 |
| Lep Holding AS | Professional & scientific | 2005 |
| Lephal AS | Real estate | 2008 |
| Leri Finans AS | Real estate | 2004 |
| Lerk Holding AS | Hospitality | 2025 |
| Lerstøl AS | Real estate | 2005 |
| Lervig AS | Manufacturing | 2018 |
| Lervig Eiendom AS | Real estate | 2013 |
| Lervig Invest AS | Real estate | 2009 |
| Lervigsveien 16 AS | Real estate | 1962 |
| Lervik-Bygg AS | Construction | 2019 |
| Lervikholding AS | | 2025 |
| Lesi AS | | 2023 |
| Leupi Invest AS | | 2020 |
| Leva Invest AS | | 2026 |
| Levebrød Kazzaz AS | Wholesale & retail | 2025 |
| Levende Tak AS | Agriculture & fishing | 2024 |
| Levik Consulting AS | Professional & scientific | 2021 |
| Lew Invest AS | | 2024 |
| Lex Iulia AS | Professional & scientific | 2018 |
| LGN Invest AS | Health & social care | 2021 |
| LHV Næringspark AS | Real estate | 2026 |
| Li Consulting AS | Professional & scientific | 2025 |
| Li Holding Group AS | | 2026 |
| Li Hyttekomfort AS | Water & waste | 2012 |
| Liabrekko Holding AS | | 2022 |
| Liadell AS | | 2025 |
| Libem Invest AS | Real estate | 2015 |
| Liborg AS | Professional & scientific | 2005 |
| Licale Invest AS | | 2023 |
| Lidgard Invest AS | Real estate | 2020 |
| Lien Invest AS | Real estate | 1997 |
| Liera AS | Professional & scientific | 2007 |
| Lifeatwork AS | Information & communication | 2022 |
| Lifesound AS | Arts & recreation | 2012 |
| Lifestyles Euro BV | | 2000 |
| Lightforce AS | Professional & scientific | 2021 |
| Likeminds Production Da | Manufacturing | 2002 |
| Liknes Invest AS | | 2023 |
| Lilianna Holding AS | | 2025 |
| Lille Thai Takeaway AS | Hospitality | 2019 |
| Lillejord Invest AS | Real estate | 2008 |
| Lillejordet Consulting AS | Professional & scientific | 2024 |
| Lilleskogen Invest AS | Financial services | 2007 |
| Lillevoll Invest AS | | 2025 |
| Limang AS | Hospitality | 2013 |
| Lime Eiendom AS | Real estate | 2020 |
| Lime Holding AS | Health & social care | 2021 |
| Limestone AS | Professional & scientific | 2006 |
| Limo Invest AS | Real estate | 2005 |
| Linda Holding AS | Financial services | 2015 |
| Lindys Bakeriutsalg Da | Wholesale & retail | 2002 |
| Lindøyneset AS | | 2021 |
| Line Owren Fotografi AS | Professional & scientific | 2010 |
| Linesund AS | | 2005 |
| Linga AS | Financial services | 2007 |
| Lingtech AS | Financial services | 2013 |
| Lingu AS | Education | 2013 |
| Link Boligutleie AS | Real estate | 2023 |
| Link Boligutleie Stavanger AS | Real estate | 2023 |
| Link Bygg AS | Construction | 2022 |
| Link Bygg Holding AS | Construction | 2024 |
| Link Capital AS | Financial services | 2021 |
| Link III Fund AS | Financial services | 2021 |
| Link III GP AS | | 2021 |
| Link Logistics AS | Transport & logistics | 2015 |
| Link One GP AS | Financial services | 2018 |
| Link Two GP AS | Financial services | 2021 |
| Link Venture Capital AS | | 2017 |
| Linki AS | Financial services | 2007 |
| Linkpartner AS | Professional & scientific | 2013 |
| Linkspec AS | Professional & scientific | 2019 |
| Linktech AS | | 2025 |
| Linkvm AS | | 2025 |
| Linn Hatteland Holding II AS | | 2024 |
| Linn Iren Holding AS | | 2026 |
| Linnmo Invest AS | | 2025 |
| Linstig AS | Professional & scientific | 2014 |
| Linticket AS | Information & communication | 2010 |
| Liqueur De Tirage AS | Financial services | 2015 |
| Liquid Storm Da | Wholesale & retail | 2002 |
| Liquiditybuddy AS | Information & communication | 2015 |
| Lisa Holding AS | Real estate | 2010 |
| Lisma AS | Real estate | 2003 |