| NG Finco AS | | 2024 |
| NG Holdco AS | | 2024 |
| NG Midco AS | Water & waste | 2017 |
| NG Nordic AS | Water & waste | 1985 |
| NG Nordic Norway AS | Water & waste | 2015 |
| NG Nordic Plastic Recycling AS | Water & waste | 2019 |
| NG Vekst AS | Water & waste | 2012 |
| NGT Global AS | | 2022 |
| NH1 Investering AS | | 2018 |
| NHG Respons AS | Administrative & support | 2011 |
| Nighthawk Capital AS | Financial services | 2024 |
| Nighthawk Management AS | Financial services | 2024 |
| Nimbus Innregulering AS | Construction | 2016 |
| Nina Invest AS | Real estate | 1999 |
| Nio Norway AS | Wholesale & retail | 2021 |
| Nitschke AS | Professional & scientific | 1966 |
| Nitschke Consult AS | Professional & scientific | 1993 |
| NN Group Holding AS | Information & communication | 2017 |
| Nobox AS | Professional & scientific | 2013 |
| Nobox Holding AS | | 2005 |
| Nodes AS | Energy | 2018 |
| Noma Financials AS | Financial services | 2017 |
| Nopel Yachting, Inc. | Administrative & support | 2009 |
| Nor AS | Real estate | 2020 |
| Nor Cruises AS | Professional & scientific | 2023 |
| Nor Festningsåsen AS | Real estate | 2020 |
| Nor Lines AS | Transport & logistics | 2017 |
| Nor Lines Norway AS | Transport & logistics | 2017 |
| Norbil Øst AS | Wholesale & retail | 2025 |
| Norcap AS | Financial services | 1993 |
| Norcap Holding AS | Real estate | 2003 |
| Norcap Service AS | Professional & scientific | 2014 |
| Nordberg Consulting AS | Education | 2013 |
| Nordeng Eiendom Holding AS | Real estate | 2005 |
| Nordenlist AS | Real estate | 2023 |
| Norderia Consulting AS | Information & communication | 2020 |
| Nordic Benefits AS | Financial services | 2013 |
| Nordic Electrofuel EFUEL1 AS | Manufacturing | 2026 |
| Nordic Electrofuel EFUEL3 AS | Manufacturing | 2026 |
| Nordic Flis Og Interiør Da | Construction | 2001 |
| Nordic Hydration AS | Wholesale & retail | 2026 |
| Nordic Industrial Services AS | Administrative & support | 2019 |
| Nordic International Leadership Training Center AS | Education | 2012 |
| Nordic MBS AS | Construction | 2019 |
| Nordic Outdoor & Sports Group AS | Wholesale & retail | 2016 |
| Nordic Quality Leads AS | Professional & scientific | 2026 |
| Nordic Real Estate Holding AS | | 2020 |
| Nordic Real Estate Norway AS | | 2020 |
| Nordic Resort AS | Hospitality | 2020 |
| Nordisk Fiskeutstyr AS | Wholesale & retail | 1996 |
| Nordlys Rekruttering AS | Administrative & support | 2018 |
| Nordvita AS | Manufacturing | 2026 |
| Norinvest AS | Real estate | 1992 |
| Norjor AS | Construction | 2013 |
| Norron AB | | 2016 |
| Norrøna Adventure AS | Administrative & support | 2022 |
| Norrøna Production AS | Manufacturing | 2017 |
| Norrøna Retail AS | Manufacturing | 2008 |
| Norrøna Sport AS | Manufacturing | 1991 |
| Norrøna Tours AS | Administrative & support | 2005 |
| Norse Bunker AS | Wholesale & retail | 2001 |
| Norship Agencies AS | Transport & logistics | 2002 |
| Norsk Gjenvinning AS | Water & waste | 1985 |
| Norsk Gjenvinning M3 AS | Water & waste | 2012 |
| Norsk Gjenvinning Metall AS | Water & waste | 2001 |
| Norsk Gjenvinning Miljøeiendommer AS | Real estate | 1974 |
| Norsk Gjenvinning Norge AS | Water & waste | 2017 |
| Norsk Gjenvinning Renovasjon AS | Water & waste | 2011 |
| Norsk Taksering AS | Real estate | 2014 |
| Norska Group AS | Administrative & support | 2025 |
| North Assets AS | Wholesale & retail | 2016 |
| North Investor AS | Administrative & support | 2014 |
| North Real Estate AS | Professional & scientific | 2023 |
| Norvin AS | Wholesale & retail | 2017 |
| Norwegian Air AS | Transport & logistics | 2020 |
| Norwegian Air Norway AS | Transport & logistics | 2013 |
| Norwegian Air Shuttle Aoc AS | Transport & logistics | 2020 |
| Norwegian Air Shuttle ASA | Transport & logistics | 1993 |
| Norwegian Beverage Group AS | Wholesale & retail | 2011 |
| Norwegian Block Exchange AS | Information & communication | 2018 |
| Norwegian Bulk Carriers AS | Transport & logistics | 1985 |
| Norwegian Bulk Carriers Management AS | Transport & logistics | 2021 |
| Norwegian Crew Services AS | Administrative & support | 2008 |
| Norwegian Eire II AS | | 2026 |
| Norwegian Ground Handling Norway AS | Transport & logistics | 2021 |
| Norwegian Hospitality Group AS | Professional & scientific | 2006 |
| Norwegian Mineral Resources Da | Professional & scientific | 2008 |
| Norwegian Reward AS | Information & communication | 2008 |
| Norwegian Shared Services AS | Transport & logistics | 2025 |
| Norwegian Training Academy AS | Education | 2017 |
| Norwegian WF Holding AS | | 2023 |
| Nova Philippines Holdings AS | Professional & scientific | 2025 |
| Nova Water Solutions AS | Construction | 2025 |
| Novum Group AS | Information & communication | 2021 |
| Novum Holding AS | Water & waste | 2017 |
| NP Eiendom AS | Real estate | 2020 |
| NPC Group AS | Professional & scientific | 2009 |
| NPC Solutions AS | Professional & scientific | 2008 |
| NRC Group ASA | Construction | 1966 |
| NRC Group Holding AS | Professional & scientific | 2015 |