| Loj Holding AS | Administrative & support | 2005 |
| Loj Investering AS | Real estate | 2006 |
| Lok Drift AS | Professional & scientific | 2023 |
| Lok Invest AS | Professional & scientific | 2017 |
| Loka Automasjon AS | Construction | 2019 |
| Loka Invest Da | Wholesale & retail | 2006 |
| Lokah Oslo AS | Education | 2024 |
| Lokal Forsikring AS | Financial services | 1976 |
| Lokal Utvikling AS | Real estate | 2021 |
| Lokaladvokaten Oslo AS | Professional & scientific | 2016 |
| Lokalavissamkjøringa Landet Rundt AS | Professional & scientific | 2002 |
| Loke AS | Financial services | 2000 |
| Loker AS | | 2025 |
| Lokholmen AS | Transport & logistics | 2025 |
| Loki Talk AS | Professional & scientific | 2024 |
| Loki Ventiler AS | Professional & scientific | 2021 |
| Lokkende Toner AS | | 2025 |
| Lokkomo AS | | 2021 |
| Lokna Invest AS | Other services | 2016 |
| Loko AS | Professional & scientific | 2009 |
| Lokomotiva Jorekstad Holding AS | | 2025 |
| Lokotech AS | Information & communication | 2019 |
| Lokotech Group AS | Information & communication | 2017 |
| Loksins AS | Real estate | 2018 |
| Lokstok Holding AS | | 2023 |
| Lokum AS | Professional & scientific | 2020 |
| Lola 1 AS | Transport & logistics | 2005 |
| Lola Bidco AS | | 2023 |
| Lola Midco AS | | 2023 |
| Lola Topco AS | | 2023 |
| Lolland Invest AS | Financial services | 2015 |
| Lollipop Hår- Og Solsenter Da | Other services | 1990 |
| Lolog Eiendom AS | Real estate | 2024 |
| Loma Holding Company AS | | 2021 |
| Loma Invest AS | Financial services | 2005 |
| Loma Re Invest AS | | 2021 |
| Lomar AS | Real estate | 2016 |
| Lombardi AS | Professional & scientific | 2024 |
| Lombardo AS | Real estate | 1997 |
| Lombardo II AS | Financial services | 2005 |
| Lomex AS | Real estate | 2006 |
| Lomi AS | Professional & scientific | 2019 |
| Lomi Invest AS | Financial services | 2013 |
| Lomma AS | Professional & scientific | 1998 |
| Lomme AS | Real estate | 2007 |
| Lommeboken AS | Professional & scientific | 2015 |
| Lommedalen 1 AS | Real estate | 2012 |
| Lommedalen Utvikling AS | Real estate | 2019 |
| Lommekniv Da | Arts & recreation | 2024 |
| Lommelerka AS | Real estate | 2013 |
| Lommen Invest AS | Financial services | 2011 |
| Lommerusk Aktiva AS | | 2020 |
| Lommerusk Invest AS | Real estate | 2016 |
| Lomnes Consulting AS | Professional & scientific | 2020 |
| Lomo AS | Information & communication | 2020 |
| Lomoen Vinstra AS | Real estate | 2016 |
| Lomsdal Holding AS | | 2022 |
| Lomvi AS | | 2021 |
| Lona Holding AS | | 2021 |
| London Fashions Ans | Wholesale & retail | 1989 |
| London Per Drift AS | Hospitality | 2007 |
| London Tech Press AS | Information & communication | 2020 |
| Lone Star AS | Financial services | 2016 |
| Lonely T-Shirts Da | Wholesale & retail | 1999 |
| Lones Holding AS | Hospitality | 2010 |
| Lonfam AS | | 2022 |
| Long AS | Professional & scientific | 2014 |
| Long Capital AS | | 2018 |
| Long Cut Streetwear Da | Professional & scientific | 2020 |
| Long John Silver AS | Transport & logistics | 2005 |
| Long Play Invest AS | Real estate | 2007 |
| Long Range Tanker AS | Transport & logistics | 2023 |
| Long Time Liner Scandinavia AS | Other services | 2013 |
| Longark Holding AS | Professional & scientific | 2007 |
| Longboat Solutions AS | Wholesale & retail | 2020 |
| Longevity Village AS | Real estate | 2019 |
| Longfarm Capital AS | Financial services | 2024 |
| Longfarm Management AS | Financial services | 2024 |
| Longfellow Invest AS | Professional & scientific | 2015 |
| Longissimus AS | | 2024 |
| Longitours Norway AS | Administrative & support | 2023 |
| Longpond AS | Real estate | 2008 |
| Longroad Investment AS | | 2023 |
| Longship AS | Professional & scientific | 2014 |
| Longship Fund IV Invest AS | | 2026 |
| Longship Klar SPV AS | | 2025 |
| Longship Prognos AS | Information & communication | 2026 |
| Longsleeve Holding AS | | 2023 |
| Longum Holding AS | Real estate | 2006 |
| Longva Consulting AS | Information & communication | 2023 |
| Longview Capital AS | | 2026 |
| Lonicera Invest AS | Financial services | 2017 |
| Lonistar Holding 2 AS | Real estate | 2020 |
| Lonistar Holding AS | Administrative & support | 2012 |
| Lono Eiendom AS | Real estate | 2017 |
| Lonuku Holding AS | | 2023 |
| Lonvaz Group Holding Limited | | 2022 |
| Lonø Holding AS | Real estate | 2014 |
| Loo Tee Holding AS | Professional & scientific | 2024 |
| Look Ahead Management AS | Financial services | 2005 |