| Leiwa AS | Financial services | 2015 |
| Lek Og Lær AS | Information & communication | 2020 |
| Lekaj AS | Professional & scientific | 2016 |
| Leken AS | Information & communication | 2026 |
| Lekeplassen Ans | Construction | 2000 |
| Leker Og Spill for Barn Og Voksne Da | Wholesale & retail | 2021 |
| Lekerøya Invest AS | Real estate | 2007 |
| Lekeslottet Barnehage Da | Education | 1999 |
| Lekestue AS | Wholesale & retail | 2021 |
| Lekh Corp AS | Information & communication | 2023 |
| Lekkasje Vakta AS | Construction | 2023 |
| Lekkasjesøkeren AS | Professional & scientific | 2014 |
| Lekkasjeteknikk AS | Construction | 1981 |
| Lekkimz Capital AS | | 2022 |
| Lekko AS | Information & communication | 2023 |
| Leknes Invest AS | | 2026 |
| Leknessund Holding AS | Education | 2023 |
| Leko Handel AS | Wholesale & retail | 2026 |
| Lekogbarn AS | Wholesale & retail | 2018 |
| Lekon Kapital AS | Real estate | 2019 |
| Lekos AS | Real estate | 1994 |
| Lekte AS | Real estate | 2023 |
| Lekter`N AS | Hospitality | 1982 |
| Lektor Hafslund AS | Education | 2023 |
| Lektor Jakobsen AS | Education | 2013 |
| Lellebygg AS | Real estate | 2010 |
| Leltec AS | Wholesale & retail | 1998 |
| Lema Investment AS | Real estate | 2007 |
| Lemaitre Vascular AS | Wholesale & retail | 2013 |
| Lemb Holding AS | Real estate | 2014 |
| Lembas AS | Information & communication | 2019 |
| Lemf Holding AS | | 2020 |
| Lemima Invest AS | | 2025 |
| Lemis Pub Ans | Hospitality | 1995 |
| Lemk AS | Wholesale & retail | 2020 |
| Lemkotir AS | | 2022 |
| Lemmivaara AS | | 2021 |
| Lemo AS | Real estate | 2021 |
| Lemoi AS | Construction | 2023 |
| Lemon Agencies AS | Professional & scientific | 1994 |
| Lemon App AS | Information & communication | 2020 |
| Lemon Capital AS | | 2026 |
| Lemon Marked AS | Wholesale & retail | 2024 |
| Lemongrass SH AS | Hospitality | 2019 |
| Lemonshark AS | | 2026 |
| Lemontree AS | Information & communication | 2009 |
| Lemonwax AS | Other services | 2015 |
| Lemos Media AS | Professional & scientific | 2022 |
| Lemsitt AS | Financial services | 2013 |
| Lemur Ans | Arts & recreation | 2009 |
| Lemuren AS | Professional & scientific | 2021 |
| Lemuur AS | Information & communication | 2016 |
| Len AS | Wholesale & retail | 1982 |
| Lena Lew Design AS | Professional & scientific | 2018 |
| Lena Muruåsen Consulting AS | Professional & scientific | 2026 |
| Lena O. Fattnes AS | Professional & scientific | 2025 |
| Lena Og Astris Sommerleir Da | Arts & recreation | 1996 |
| Lenas Helsepersonell AS | Administrative & support | 2019 |
| Lencho AS | | 2023 |
| Lenco AS | Financial services | 2005 |
| Lenda AS | Real estate | 2006 |
| Lendl Finans AS | Financial services | 2019 |
| Lendmann AS | Professional & scientific | 2024 |
| Lendo AS | Financial services | 2011 |
| Lendo Topco AS | Administrative & support | 2021 |
| Lene Algrøy Holding AS | | 2021 |
| Lene AS | | 2007 |
| Lene H. Markegård AS | | 2021 |
| Lene Holding AS | Financial services | 2005 |
| Lene Invest AS | Financial services | 1998 |
| Lene Lykke Invest AS | | 2020 |
| Lene Og Tonje AS | Professional & scientific | 2022 |
| Lene Sørensen AS | | 2022 |
| Lenegro Larheim AS | Health & social care | 2017 |
| Lenes Holding AS | Financial services | 2005 |
| Leneselva Kraftverk AS | Energy | 2018 |
| Leni Invest AS | | 2007 |
| Leni Invest II AS | | 2020 |
| Lenikken AS | | 2019 |
| Lenit Holding AS | | 2024 |
| Lenkar AS | | 2018 |
| Lennox AS | Arts & recreation | 2021 |
| Lenon Holding AS | | 2026 |
| Lenor Eiendom AS | Real estate | 2005 |
| Lenotz Holding AS | Financial services | 2013 |
| Lenovo Global Technology Norway AS | Wholesale & retail | 2016 |
| Lenovo Technology B.V. Nuf | Wholesale & retail | 2005 |
| Lenrik Holding AS | | 2019 |
| Lensapply AS | Professional & scientific | 2023 |
| Lenschow AS | Real estate | 2001 |
| Lensed by AS | Professional & scientific | 2025 |
| LENSES4NET | Wholesale & retail | 2003 |
| Lensmannseter Holding AS | | 2023 |
| Lensmannslia 4 AS | Real estate | 2006 |
| Lensmannslia Asker AS | Real estate | 2011 |
| Lent AS | Professional & scientific | 2013 |
| Lent Utvikling AS | Professional & scientific | 2011 |
| Lentic Care AS | Health & social care | 2021 |
| Lentic Solutions AS | Professional & scientific | 2002 |
| Lentor AS | | 2026 |