| LM Maskin AS | Wholesale & retail | 1990 |
| LM Technologies AS | Information & communication | 2026 |
| LM Ventures AS | | 2024 |
| Lma AS | | 2025 |
| LMC Drift AS | Real estate | 2007 |
| LMC Global Drift AS | Real estate | 2013 |
| LMC Invest AS | | 2019 |
| LMC Scandinavian Drift AS | Wholesale & retail | 2013 |
| LMD Invest AS | | 2005 |
| LMF Consulting Da | | 2008 |
| LMG Eiendom AS | Financial services | 2005 |
| LMH Invest AS | Professional & scientific | 2005 |
| LMH Nordic AS | | 2024 |
| Lmi Transport AS | Transport & logistics | 2021 |
| Lmjj Invest AS | | 2018 |
| LMK AS | | 2023 |
| LMK Bygg AS | Construction | 2018 |
| LMK Gruppen AS | Construction | 2020 |
| LMK Holding AS | | 2021 |
| LMK Pro AS | Construction | 2021 |
| LMK Real Estate AS | Professional & scientific | 2020 |
| LML AS | Health & social care | 2016 |
| Lmlo AS | | 2019 |
| LMM AS | | 2023 |
| LMM Lyngdal AS | Real estate | 2026 |
| LMP Invest 1 AS | | 2025 |
| LMP Invest 2 AS | | 2025 |
| LMR Arkitektur AS | Professional & scientific | 1978 |
| LMS Holding AS | Real estate | 2023 |
| Lmss Holding AS | | 2021 |
| LMT AS | Information & communication | 2016 |
| LMT Invest AS | Other services | 2017 |
| Lmtd AS | Wholesale & retail | 2014 |
| LMV Holding AS | Information & communication | 2025 |
| LMV Invest AS | Professional & scientific | 2005 |
| Lmwb Holding AS | | 2026 |
| LN Capital AS | | 2020 |
| Ln-Bgo Invest AS | | 2020 |
| LND Pepper AS | | 2025 |
| LNH Invest AS | | 2021 |
| LNL Invest AS | Real estate | 2005 |
| LNP Corporate Finance AS | Professional & scientific | 2010 |
| LNR AS | Administrative & support | 2022 |
| LNS Invest AS | | 2021 |
| Lo Capital AS | | 2024 |
| Lo Feuilleaubois AS | | 2021 |
| Lo Invest AS | Real estate | 2005 |
| Lo-Partner AS | Other services | 1995 |
| Loa Invest AS | Information & communication | 2017 |
| Load and Clear Da | Wholesale & retail | 2006 |
| Loadout AS | Information & communication | 2024 |
| Loaf AS | Professional & scientific | 2022 |
| Loam Holding AS | Professional & scientific | 2026 |
| Lobato Holding AS | Financial services | 2018 |
| Lobben Holding AS | Financial services | 2012 |
| Lobsang AS | Real estate | 2014 |
| Lobster Claw Capital AS | | 2020 |
| Lobster Management AS | Financial services | 2015 |
| Loc AS | Professional & scientific | 2000 |
| Loc Holding AS | | 2025 |
| Local Bee AS | Agriculture & fishing | 2022 |
| Local Holding AS | Real estate | 2019 |
| Localghost AS | Information & communication | 2026 |
| Localmarket Group AS | Information & communication | 2020 |
| Locatio Holding AS | Real estate | 2019 |
| Location Holding AS | Real estate | 2013 |
| Location Services AS | Administrative & support | 1997 |
| Location Units AS | Information & communication | 2019 |
| Lochshore Maritime Partners AS | Professional & scientific | 2022 |
| Lock Næss AS | | 2023 |
| Lockertsen AS | Wholesale & retail | 2021 |
| Lockhart Holdings AS | | 2025 |
| Lockheed Martin Corporation | Transport & logistics | 2010 |
| Lockheed Martin Global Inc Norsk Avdeling Av Utenlandske Enht Nuf | Professional & scientific | 2000 |
| Locksley AS | | 2025 |
| Lockwood Invest AS | Information & communication | 2026 |
| Loco Holdco 30 AS | | 2021 |
| Loco Holding AS | Financial services | 2011 |
| Locomofon AS | Manufacturing | 2013 |
| Locomusic Da | Arts & recreation | 1996 |
| Locupleto Holding AS | Financial services | 2009 |
| Locus Bidco AS | Energy | 2024 |
| Locus Finco AS | Energy | 2024 |
| Locus Gladengen AS | Real estate | 2007 |
| Locus Holdco AS | Energy | 2024 |
| Locus Hydro 2 AS | Energy | 2024 |
| Locus Hydro AS | Energy | 2017 |
| Locus Hydro Prosjekt AS | Energy | 2018 |
| Locus Living AS | Financial services | 2022 |
| Locus Living Midco I AS | Real estate | 2022 |
| Locus Living Midco II AS | Real estate | 2022 |
| Locus Næring Gladengen AS | Real estate | 2023 |
| Loda Da | Arts & recreation | 2001 |
| Lodalen AS | Real estate | 2021 |
| Lodbrok AS | Financial services | 2017 |
| Lode Star AS | Administrative & support | 2007 |
| Lodeco AS | | 2026 |
| Lodestar Solutions AS | Administrative & support | 2022 |
| Lodestone AS | Real estate | 2015 |
| Lodestone Labs AS | Information & communication | 2026 |