| Libertine Frogner AS | Hospitality | 2009 |
| Libertine Vannkunsten AS | Hospitality | 2024 |
| Liberty Aviation AS | Transport & logistics | 2024 |
| Liberty Import Ans | | 1991 |
| Liberty Mutual Insurance Europe SE Nuf | Financial services | 2021 |
| Liberty No Bidco AS | Manufacturing | 2023 |
| Liberty Shipping AS | Transport & logistics | 2005 |
| Liberty Specialty Markets Europe S.A.R.L., Norway Branch Nuf | Financial services | 2023 |
| Liberum AS | Real estate | 2012 |
| Libourne AS | | 1997 |
| Libra Entreprenør Da | Construction | 2002 |
| Libra Fearnley Energy AS | Transport & logistics | 1986 |
| Libransi Holding AS | | 2021 |
| Library Lounge AS | | 2024 |
| Libras AS | Professional & scientific | 1991 |
| Libras Holding AS | | 2021 |
| Libro Invest AS | Real estate | 2016 |
| Libu AS | Real estate | 2005 |
| Libuwei Europe Limited Nuf | Information & communication | 2015 |
| Libæk AS | Real estate | 2014 |
| Lica AS | Manufacturing | 2005 |
| Licc AS | Hospitality | 2022 |
| Lichtenberg Holding AS | | 2021 |
| Lichtschein AS | | 2024 |
| Lid Ventilasjon AS | Construction | 1997 |
| Lidahm AS | | 2024 |
| Lidarende AS | Real estate | 2000 |
| Lidarende Fonds AS | | 1992 |
| Lidareng Consulting AS | Professional & scientific | 1995 |
| Lidfinity AS | Professional & scientific | 2025 |
| Lido Kiosk Da | Wholesale & retail | 2000 |
| Lido Landskap AS | Professional & scientific | 2025 |
| Lidos AS | Information & communication | 2007 |
| Lidskjalv AS | | 2018 |
| Lidtek AS | Professional & scientific | 2018 |
| Lidu AS | | 2022 |
| Lidy AS | Professional & scientific | 1979 |
| Lie AS | Professional & scientific | 2013 |
| Lie Digital AS | Information & communication | 2026 |
| Lie Eric Holding AS | | 2023 |
| Lie Financial Holdings AS | | 2022 |
| Lie Holding AS | Real estate | 2012 |
| Lie Invest AS | Real estate | 2007 |
| Lie NK AS | Construction | 2022 |
| Lie Og Seip Kreative Tjenester | Arts & recreation | 2003 |
| Lie Øyen Arkitekter AS | Professional & scientific | 1987 |
| Lie-Myhre AS | Construction | 2021 |
| Lie-Nielsen AS | | 2005 |
| Lie-Nielsen Consulting AS | Information & communication | 1998 |
| Liebhaber Da | Wholesale & retail | 2010 |
| Liele AS | | 2025 |
| Lien Boliginvest AS | | 2018 |
| Lien Eiendom AS | Real estate | 2016 |
| Lien Eiendomsutvikling AS | Real estate | 2000 |
| Lien Engineering AS | | 2020 |
| Lien-Holding AS | Wholesale & retail | 2001 |
| Lienfossveien AS | Real estate | 2025 |
| Lieng Invest AS | Financial services | 2005 |
| Lienga 4 AS | Real estate | 2007 |
| Lienga 6-8 AS | Real estate | 2006 |
| Lienga 7 Eiendom AS | Real estate | 2010 |
| Liens Systue Forandringsspesialisten AS | Other services | 2000 |
| Liento AS | Professional & scientific | 2021 |
| Liento Holding AS | Real estate | 2010 |
| Lienveien 11 AS | Real estate | 2005 |
| Lier Bileiendom AS | Financial services | 2012 |
| Lier Boligutvikling AS | Real estate | 2015 |
| Lier Invest AS | Professional & scientific | 2016 |
| Lier Logistikkbygg AS | Financial services | 2021 |
| Lier Utvikling AS | Real estate | 2017 |
| Lierbyen Utvikling AS | Real estate | 2018 |
| Lierporten Ans | Real estate | 1987 |
| Lierskogen Bygg AS | Real estate | 2019 |
| Lierskogen Eiendom AS | Real estate | 2013 |
| Lierstranda 56 AS | Real estate | 2006 |
| Lierstranda Eiendomsinvest AS | Real estate | 2020 |
| Lierstranda Tomteselskap AS | Real estate | 2016 |
| Liertoppen Eiendomsinvest AS | Real estate | 2016 |
| Liertoppen Tomteselskap AS | Real estate | 2019 |
| Liertoppen Vest AS | Real estate | 2007 |
| Liex Invest AS | Financial services | 2018 |
| Life After 40 AS | Information & communication | 2025 |
| Life AS | Wholesale & retail | 1999 |
| Life Effect AS | Construction | 2025 |
| Life Eiendom AS | Real estate | 2025 |
| Life Forager Holding AS | | 2025 |
| Life Forge AS | Arts & recreation | 2020 |
| Life Majorstuen AS | Wholesale & retail | 2018 |
| Life Norden AS | Professional & scientific | 2025 |
| Life Nordic AS | Wholesale & retail | 2005 |
| Life of Split AS | Wholesale & retail | 2023 |
| Life Performance Coaching AS | Professional & scientific | 2024 |
| Life Technologies AS | Manufacturing | 1986 |
| Lifecoach AS | Health & social care | 2019 |
| Lifegate Produkter AS | Wholesale & retail | 2014 |
| Lifehouse AS | Health & social care | 2026 |
| Lifeiscarbon AS | | 2025 |
| Lifeline AS | Wholesale & retail | 1993 |
| Lifeline Pharma AS | Wholesale & retail | 1987 |
| Lifeline Pharma Holding AS | Wholesale & retail | 2023 |