| Lørenvangen 22 AS | Real estate | 2019 |
| Lørenvangen 25 Eiendom AS | Real estate | 2020 |
| Lørenvangen Utvikling AS | Real estate | 1986 |
| Lørenveien 36 AS | Real estate | 2004 |
| Lørenveien 38 AS | Real estate | 2019 |
| Lørenveien 50 AS | Real estate | 2017 |
| Lørenveien 51 AS | Real estate | 2015 |
| Lørenveien 68 Eiendomsselskap AS | Real estate | 2016 |
| Lørenveien Eiendomsinvest AS | Real estate | 2017 |
| Lørenveien Kontorbygg AS | Real estate | 2007 |
| Lørenveien Næring AS | Real estate | 2015 |
| Lørenveien Utvikling AS | Real estate | 2011 |
| Løs Holding AS | | 2019 |
| Løsdet.No AS | Information & communication | 2022 |
| Løseth & Ketterer Da | Wholesale & retail | 2004 |
| Løsethønnje Holding AS | Health & social care | 2023 |
| Løsetsætra Drift AS | Health & social care | 2026 |
| Løsetvatnet AS | Health & social care | 2025 |
| Løsningen AS | Professional & scientific | 2005 |
| Løvaas AS | Real estate | 2005 |
| Løvaas Cooper Draper Pryce AS | | 2022 |
| Løvbar AS | | 2025 |
| Løve Holding AS | Professional & scientific | 2016 |
| Løve Krohn-Holm AS | Professional & scientific | 2016 |
| Løvebakken AS | | 2019 |
| Løvebolig AS | Real estate | 2025 |
| Løvehjerte Omsorg AS | Health & social care | 2015 |
| Løven & Co AS | Professional & scientific | 2017 |
| Løven AS | | 2024 |
| Løvenor Eiendom Furuset AS | Real estate | 2005 |
| Løvenor Eiendom Holding AS | Real estate | 2004 |
| Løvenskiold Eiendom AS | Real estate | 1998 |
| Løvenskiold Forvaltning AS | | 2005 |
| Løvenskiold Gran AS | | 1994 |
| Løvenskiold Invest I AS | | 2021 |
| Løvenskiold Invest II AS | Real estate | 2009 |
| Løvenskiold Skog AS | Agriculture & fishing | 1997 |
| Løvenskiold-Vækerø AS | Wholesale & retail | 1974 |
| Løvenskiolds Gate 12 AS | Real estate | 2013 |
| Løvenskioldsg 7 Holding AS | | 2024 |
| Løvenskioldsgate 1 AS | Real estate | 2010 |
| Løvenskioldsgate 17 AS | Real estate | 1940 |
| Løvenskioldsgate 2 AS | Real estate | 1902 |
| Løvestad Holding AS | | 2025 |
| Løvetann Forlag AS | Information & communication | 2024 |
| Løvetann Holding AS | Hospitality | 2011 |
| Løvetann Kantine AS | Hospitality | 2003 |
| Løvetannen Holding AS | | 2020 |
| Løvhaugsåa Kraftverk AS | Energy | 2024 |
| Løvhøiden AS | Administrative & support | 2024 |
| Løvic Invest AS | | 2022 |
| Løvik Fysioterapi AS | Health & social care | 2018 |
| Løvkjølen AS | Financial services | 2005 |
| Løvkvist Invest AS | Real estate | 2017 |
| Løvland Industrier AS | | 2021 |
| Løvland Wørks AS | Arts & recreation | 2024 |
| Løvli Invest Ans | Financial services | 2005 |
| Løvmo AS | Information & communication | 2024 |
| Løvmyr Vaktmestertjenester AS | Administrative & support | 2021 |
| Løvset Eiendom AS | Real estate | 2017 |
| Løvstøl Invest AS | | 2020 |
| Løvtangen AS | | 2022 |
| Løvvik Eiendom AS | Real estate | 2012 |
| Løvås Foto AS | Professional & scientific | 2013 |
| Løvåsmyra 2 AS | Real estate | 2006 |
| Løvøi Holding AS | | 2022 |
| Løwenborg Holding AS | | 2021 |
| Løxatorget AS | Real estate | 2020 |
| Løxatorget Næring AS | | 2023 |
| Løyning Invest AS | | 2025 |
| Løyrom Invest AS | Financial services | 2023 |
| Lühr Invest AS | Real estate | 2005 |
| M & a Invest AS | Hospitality | 2025 |
| M & M Boligformidling Da | Real estate | 1992 |
| M & N Regnskap Da | Professional & scientific | 2008 |
| M - E Holding AS | | 2026 |
| M a Holding AS | Financial services | 2016 |
| M a Invest AS | Health & social care | 1989 |
| M and M Invest AS | Financial services | 2021 |
| M BB a Holding AS | | 2016 |
| M Bornstein AS | Professional & scientific | 2016 |
| M Breen Holding AS | Construction | 2015 |
| M Cap AS | Professional & scientific | 2023 |
| M Capital II AS | Real estate | 2017 |
| M Code AS | Professional & scientific | 2019 |
| M Consult AS | Professional & scientific | 2016 |
| M Davidsen Holding AS | | 2015 |
| M Erke AS | Health & social care | 2025 |
| M Hvide Invest AS | | 2020 |
| M Invest AS | Financial services | 2017 |
| M K Eiendom AS | Administrative & support | 2012 |
| M K Holding AS | Real estate | 2012 |
| M Leivestad AS | Professional & scientific | 2024 |
| M Madsen Holding AS | Professional & scientific | 2013 |
| M Mortensen Regnskapsservice AS | Professional & scientific | 1987 |
| M New AS | Professional & scientific | 2026 |
| M Og M Entrepenør Service Da | Administrative & support | 2002 |
| M Rasmussen Invest AS | | 2025 |
| M Solbakken AS | | 2020 |
| M Sundvall AS | Financial services | 2017 |