| Lilletuneveien 3 AS | Real estate | 2009 |
| Lilletöyen Humlekokeri Samvirkeforetak | Manufacturing | 2023 |
| Lilleulv AS | | 2020 |
| Lilleulv Holding AS | Wholesale & retail | 2005 |
| Lillevann Drift AS | Health & social care | 2023 |
| Lillevennen AS | | 2020 |
| Lillevik Holding AS | | 2013 |
| Lilleåsen Eiendom AS | Real estate | 2006 |
| Lilli Capital AS | | 2021 |
| Lillo Gård AS | Real estate | 2013 |
| Lillo Gård KS | Real estate | 2013 |
| Lillo Holding AS | | 2020 |
| Lillo Mat AS | Wholesale & retail | 2022 |
| Lillo Oase AS | Hospitality | 2020 |
| Lilloe Holding AS | Wholesale & retail | 2020 |
| Lilloe Invest AS | | 2025 |
| Lillohagen Fus Barnehage AS | Education | 2008 |
| Lillohøyden Fus Barnehage AS | Education | 2009 |
| Lillomarka Technologies AS | Information & communication | 2023 |
| Lillunn AS | Professional & scientific | 1954 |
| Lilly Labs AS | Information & communication | 2012 |
| Lilly-Be Invest AS | | 2018 |
| Lilu Invest AS | Financial services | 2012 |
| Lily AS | Information & communication | 2014 |
| Lily Beauty AS | Other services | 2021 |
| Lily Group AS | | 2024 |
| Lily Holding AS | | 2025 |
| Lily Hotel AS | | 2024 |
| Lily Italy AS | | 2024 |
| Lily Juicy AS | | 2024 |
| Lily Pond AS | | 2026 |
| Lily Resorts AS | | 2024 |
| Lily's AS | | 2024 |
| Lilys AS | | 2024 |
| Lima Capital AS | | 2026 |
| Lima Papa Holdings AS | | 2023 |
| Limara AS | Financial services | 2001 |
| Limassol Investment Company AS | | 2021 |
| Limatu AS | Financial services | 2006 |
| Limavi AS | Financial services | 2018 |
| Lime & Leaf AS | Hospitality | 2025 |
| Lime Green Digital AS | Information & communication | 2010 |
| Lime Networks AS | Information & communication | 2010 |
| Lime Norway AS | Administrative & support | 2019 |
| Lime Petroleum AS | Mining & quarrying | 2012 |
| Lime Petroleum Holding AS | Mining & quarrying | 2024 |
| Lime Studio AS | Other services | 2024 |
| Lime Technologies Norway AS | Information & communication | 2006 |
| Lime Vannteknologi AS | Wholesale & retail | 2007 |
| Limetime AS | Information & communication | 2015 |
| Limi Arkitektur AS | Professional & scientific | 2023 |
| Liminal AS | Hospitality | 2023 |
| Limitbreak Brands AS | Wholesale & retail | 2025 |
| Limitbreak Holding AS | | 2025 |
| Limitedestate AS | Real estate | 2023 |
| Limitless Coaching AS | Education | 2022 |
| Limitless Mobility AS | Transport & logistics | 2024 |
| Limmatquai AS | Real estate | 2013 |
| Limone Stella AS | Hospitality | 2023 |
| Limpopo Invest AS | Professional & scientific | 2004 |
| Limus Group AS | Transport & logistics | 2024 |
| Limón AS | Hospitality | 2019 |
| Limón Byporten AS | Hospitality | 2023 |
| Lin Advokater AS | Professional & scientific | 2016 |
| Lina Beauty Industry AS | Education | 2016 |
| Lina Cafe AS | Hospitality | 2015 |
| Lina Yoga AS | Wholesale & retail | 2025 |
| Linalka Ans | Real estate | 1987 |
| Linbe AS | Real estate | 1997 |
| Linco Food Systems | Manufacturing | 2010 |
| Lincoln Holding AS | Real estate | 2016 |
| Lincoln Pub Drift AS | Hospitality | 2019 |
| Lincon Plan AS | Professional & scientific | 2017 |
| Lind Forvaltning AS | Real estate | 2005 |
| Lind Investment AS | Real estate | 2000 |
| Lind Kapital AS | | 2025 |
| Lind Ventures AS | | 2024 |
| Linda Beauty AS | Other services | 2026 |
| Linda Evensen Holding AS | Professional & scientific | 2025 |
| Linda Hansen Holding AS | | 2020 |
| Linda JC AS | Wholesale & retail | 2015 |
| Linda JC Holding AS | Administrative & support | 2017 |
| Linda Nystad AS | Professional & scientific | 2026 |
| Linda Steen Holding AS | Professional & scientific | 2005 |
| Lindaas Invest AS | Financial services | 2014 |
| Lindahl Invest AS | Real estate | 2006 |
| Lindberg & Wælgaard J Havran | Professional & scientific | 1995 |
| Lindberg AS | Wholesale & retail | 1936 |
| Lindberg Consulting AS | Health & social care | 2003 |
| Lindberg Holding AS | Real estate | 2005 |
| Lindblad Holding AS | Wholesale & retail | 2005 |
| Lindblom Film & Media AS | Information & communication | 2019 |
| Linde Creative AS | Professional & scientific | 2025 |
| Linde Fysikalske Institutt AS | Real estate | 2021 |
| Linde Gas AS | Manufacturing | 1984 |
| Linde Legegruppe AS | Health & social care | 2012 |
| Lindeberg Apotek AS | Wholesale & retail | 2011 |
| Lindeberg Frisør Ans | Other services | 1992 |
| Lindeberg Fysioterapi Og Manuellterapi AS | Health & social care | 2017 |
| Lindeberg Invest AS | | 2021 |