| Langhus Invest AS | Financial services | 2019 |
| Langhus Investment AS | Real estate | 1986 |
| Langhus Living AS | Real estate | 2021 |
| Langhus Senter AS | Real estate | 1997 |
| Langhussenteret 10 AS | Real estate | 2005 |
| Langkaia 1 AS | Real estate | 2003 |
| Langkjaer Holdings AS | | 2023 |
| Langlang AS | Real estate | 2020 |
| Langli AS | Real estate | 2018 |
| Langli Investering AS | | 2022 |
| Langlia AS | Wholesale & retail | 1994 |
| Langlo Holding AS | Real estate | 2017 |
| Langmoen Holding AS | Financial services | 2005 |
| Langmyra 5 Eiendom AS | Real estate | 2021 |
| Langmyra 7 AS | Real estate | 2013 |
| Langnes Lyd AS | Information & communication | 2024 |
| Lango Holding AS | | 2016 |
| Langocore AS | | 2025 |
| Langs Akerselva AS | Arts & recreation | 2022 |
| Langs Rådgivning AS | Information & communication | 2015 |
| Langseth Advokatfirma Da | Professional & scientific | 2001 |
| Langseth Gruppen AS | Professional & scientific | 2018 |
| Langseth Logistikk & Service AS | Construction | 2026 |
| Langseth Regnskap AS | Professional & scientific | 2012 |
| Langseth Revisjon AS | Professional & scientific | 2010 |
| Langseth Services AS | Professional & scientific | 2009 |
| Langsethlia 2 AS | Professional & scientific | 2015 |
| Langsethveien Eiendom AS | Real estate | 2021 |
| Langsikt AS | | 2025 |
| Langsom Film AS | Information & communication | 2024 |
| Langstranda 9 AS | Real estate | 2023 |
| Langstranda Næringseiendom AS | Real estate | 2014 |
| Langt Langt Borte AS | Hospitality | 2025 |
| Langtind Holding AS | | 2022 |
| Langtind Invest AS | Financial services | 2005 |
| Language Power International AS | Professional & scientific | 1999 |
| Languagewire AS | Professional & scientific | 2005 |
| Languid AS | Information & communication | 2024 |
| Langvatn Consulting AS | Information & communication | 2021 |
| Langvatn Invest AS | Information & communication | 2021 |
| Langvik 3 AS | | 2021 |
| Langvik 4 AS | | 2021 |
| Langvik 5 AS | Real estate | 2021 |
| Lanicode Holding AS | | 2021 |
| Lanida AS | Administrative & support | 2005 |
| Lanima AS | Wholesale & retail | 2020 |
| Lanin AS | Real estate | 2006 |
| Lannisters AS | Hospitality | 2015 |
| Lano Kapital AS | | 2025 |
| Lanse AS | Wholesale & retail | 2004 |
| Lantan AS | Real estate | 2018 |
| Lantech AS | Wholesale & retail | 2000 |
| Lanternen Eiendom AS | Real estate | 2008 |
| Lanternen Holding AS | Real estate | 2019 |
| Lantmannen Cerealia AS | Manufacturing | 1912 |
| Lanxess Deutschland GmbH | Wholesale & retail | 2004 |
| LANY FAX NORGE AB Norsk avd av utenl foretak | Wholesale & retail | 1995 |
| Lanza Knudsen Comms AS | Professional & scientific | 2024 |
| Lanzalot AS | Real estate | 2019 |
| Lanzatech Exelixis SPV AS | Manufacturing | 2023 |
| Lao Invest AS | | 2022 |
| Laokoon Forlag AS | Information & communication | 2025 |
| Lapa Invest AS | | 2019 |
| Lapeti AS | Financial services | 2005 |
| Lapland House AS | Wholesale & retail | 2013 |
| Lappeland.No AS | Manufacturing | 2020 |
| Lappen Trafikkskole AS | Education | 2000 |
| Lara Holding 1 AS | | 2018 |
| Lara Invest AS | Financial services | 2005 |
| Lara Labs AS | Health & social care | 2026 |
| Lara Norge AS | Wholesale & retail | 2011 |
| Lara Vivid AS | Wholesale & retail | 2024 |
| Larab AS | Wholesale & retail | 2023 |
| Laregy Holding AS | | 2022 |
| Largo Invest AS | Financial services | 2001 |
| Larheim Holding AS | | 2025 |
| Larion AS | | 2025 |
| Larissa AS | | 2022 |
| Lark AS | Information & communication | 2005 |
| Lark Landskap AS | Professional & scientific | 2014 |
| Larkollveien 4 AS | Real estate | 2010 |
| Larne AS | Health & social care | 2021 |
| Laroch Eiendom AS | Real estate | 2022 |
| Larostol AS | | 2025 |
| Larratt and Holdings AS | | 2026 |
| Larre Eiendom AS | Real estate | 2013 |
| Larre Holding AS | Financial services | 2014 |
| Lars Andreassen Holding AS | Arts & recreation | 2025 |
| Lars Augustin Drilling and Completion Consulting AS | Professional & scientific | 2022 |
| Lars Aurdal Holding AS | | 2020 |
| Lars Brekke AS | Health & social care | 2022 |
| Lars Buer AS | Professional & scientific | 1996 |
| Lars Erik Ribe Anderssen AS | Real estate | 2005 |
| Lars Eriksson | Construction | 2002 |
| Lars Grimsrud Holding AS | | 2020 |
| Lars Hilles Gate 19 AS | Real estate | 2021 |
| Lars Hilles Gate 25 AS | Real estate | 2007 |
| Lars Hilles Gate 30 AS | Real estate | 2007 |
| Lars Hilles Gate 30 Holding AS | Real estate | 2014 |
| Lars Joachim AS | | 2021 |