| Listhaug AS | Wholesale & retail | 2014 |
| Liten Storm AS | | 2020 |
| Lithos Holding AS | | 2026 |
| Litlafjell Utbygging AS | Real estate | 2010 |
| Litleåsveien 47 AS | Real estate | 2004 |
| Litteraturreiser Da | Administrative & support | 2006 |
| Little Italy Skostredet AS | Hospitality | 2016 |
| Little Nashville AS | Hospitality | 2023 |
| Livarden Søk Og Prosjektering AS | Professional & scientific | 2019 |
| Live Events AS | Arts & recreation | 2005 |
| Live Lokal AS | Information & communication | 2026 |
| Live Rabo Holding AS | Arts & recreation | 2024 |
| Live Supply Services AS | Administrative & support | 2024 |
| Liven AS | Other services | 2002 |
| Liverpooldrømmer AS | Administrative & support | 2020 |
| Livma Invest AS | | 2014 |
| Livsvitaminer Da | Health & social care | 2010 |
| Lixom AS | Financial services | 2005 |
| LJ Investering AS | | 2024 |
| Ljone AS | Professional & scientific | 2025 |
| LK Investering AS | | 2024 |
| LLK AS | Administrative & support | 2005 |
| LM Utvikling AS | Real estate | 2025 |
| LM West AS | Wholesale & retail | 2019 |
| LMG Marin AS | Professional & scientific | 2012 |
| LMG Oilcraft AS | Professional & scientific | 2007 |
| Local AS | Professional & scientific | 2019 |
| Lockton Norway AS | Financial services | 2007 |
| Loddefjordlien Utbygging AS | Real estate | 2015 |
| Lodin Lepps Gate 2B Bolig AS | Real estate | 2026 |
| Lodin Lepps Gate 2B Næring AS | Real estate | 2026 |
| Lodin Leppsgate 4 AS | Real estate | 2012 |
| Lodus AS | Wholesale & retail | 2006 |
| Loen Invest AS | Real estate | 2013 |
| Logistics Partner AS | Transport & logistics | 1982 |
| Lokal Synlighet AS | Professional & scientific | 2024 |
| Lokalkontoret AS | Professional & scientific | 2023 |
| Loki Lydstudio AS | Information & communication | 2022 |
| Lola AS | Hospitality | 2022 |
| Lolfish AS | Arts & recreation | 2020 |
| Lombardi Invest AS | | 2019 |
| Lonevåg Nærsenter AS | Real estate | 2018 |
| Longcountry Investments AS | | 2025 |
| Longhammarvegen 28-30 Holding AS | Real estate | 2022 |
| Longstreet Securities AS | Transport & logistics | 2020 |
| Loope AS | Wholesale & retail | 2022 |
| Lorentz Invest AS | Professional & scientific | 2006 |
| Loreprint AS | Wholesale & retail | 2026 |
| Lorvik Abrahamsen Holding AS | Financial services | 2005 |
| Lossius Invest AS | | 2008 |
| Lost for Word AS | Information & communication | 2024 |
| Lost in Norway AS | Administrative & support | 2015 |
| Lost Thaiger AS | Hospitality | 2013 |
| LOT333 AS | Wholesale & retail | 2007 |
| Lotheveien Parkering AS | Real estate | 2025 |
| Lottis AS | Professional & scientific | 2021 |
| Lotus Eiendom Invest AS | Wholesale & retail | 2016 |
| Lovebugs Da | Arts & recreation | 2006 |
| Lovoy AS | Professional & scientific | 2009 |
| Lovsikt AS | Information & communication | 2025 |
| Loyco AS | Information & communication | 2015 |
| Lp-Invest AS | Professional & scientific | 2008 |
| Lpe Construct AS | Construction | 2019 |
| Lpe Eiendom Ans | Real estate | 2005 |
| Lpi Group Norway AS | Professional & scientific | 2025 |
| Lpo Bergen AS | Professional & scientific | 2021 |
| Lrbr Holding AS | | 2022 |
| LSH Group AS | Real estate | 2006 |
| LST AS | Real estate | 2026 |
| Lucas Construction AS | Professional & scientific | 2013 |
| Lucid Capital AS | Construction | 2021 |
| Luddi Invest AS | | 2022 |
| Luddig Invest AS | Real estate | 2017 |
| Luddigweb AS | Information & communication | 2018 |
| Luddistrikk Design AS | Professional & scientific | 2025 |
| Luden AS | Real estate | 2003 |
| Luden Bolig AS | Households | 2005 |
| Ludvigsen Invest AS | Wholesale & retail | 2005 |
| Luftteknikk Bergen AS | Construction | 2024 |
| LUK42 AS | Real estate | 2026 |
| Lukket Selskap AS | Arts & recreation | 2015 |
| Lulli Import AS | Wholesale & retail | 2026 |
| Lumora Health AS. | Health & social care | 2025 |
| Lun Music AS | Professional & scientific | 2023 |
| Luna AS | Real estate | 1964 |
| Luna Boligtomt AS | Real estate | 2026 |
| Luna Parkering AS | Real estate | 2026 |
| Luna Utvikling AS | Real estate | 2026 |
| Lund Boligrenovering AS | Professional & scientific | 2022 |
| Lund Frisør Da | Other services | 1995 |
| Lund Og Laastad Arkitekter AS | Professional & scientific | 2013 |
| Lundbo Eiendom AS | Real estate | 1988 |
| Lunde & Gaundal AS | Professional & scientific | 2019 |
| Lundefossen Eiendom AS | Real estate | 2005 |
| Lundehjørnet Forretningsbygg AS | Real estate | 2020 |
| Lundeneset AS | | 2023 |
| Lundevall Holding AS | | 2022 |
| Lundto AS | Wholesale & retail | 1993 |
| Lundvang Holding AS | | 2024 |
| Lungegaardens Kulturarena AS | Arts & recreation | 2019 |