| Nordwell AS | Wholesale & retail | 2022 |
| Norea Mediemisjon AS | Information & communication | 2023 |
| Norela Neglesalong AS | Other services | 2026 |
| Norenes Holding AS | Real estate | 2013 |
| Noreto AS | Professional & scientific | 2022 |
| Norfass AS | Professional & scientific | 2006 |
| Norforce Control AS | Professional & scientific | 2026 |
| Norform Gruppen AS | Administrative & support | 1993 |
| Norgesfilm AS | Information & communication | 2002 |
| Norgesgruppen Agder AS | Real estate | 1970 |
| Norgespadel AS | Wholesale & retail | 2020 |
| Norgespersonal AS | Administrative & support | 2018 |
| Norholmen Brygge AS | Real estate | 2007 |
| Nori Investments AS | Information & communication | 2025 |
| Noricom Språktjenester AS | Professional & scientific | 2025 |
| Norinvest Holding AS | Manufacturing | 2021 |
| Norkos Anlegg AS | Construction | 2018 |
| Norli-Holding AS | | 2023 |
| Norlock AS | Wholesale & retail | 2002 |
| Normae AS | Manufacturing | 2016 |
| Normal Norge AS | Wholesale & retail | 2016 |
| Norman Jensen AS | Health & social care | 2021 |
| Normies Invest AS | Financial services | 2021 |
| Noroff Education AS | Education | 2008 |
| Noroff Fagskole AS | Education | 2006 |
| Noroff Holding AS | Education | 2015 |
| Noroff University College AS | Education | 2011 |
| Norpalm AS | Financial services | 1996 |
| Norrøna AS | Real estate | 1966 |
| Norrøna Storkjøkken Kristiansand AS | Wholesale & retail | 2007 |
| Norsap AS | Manufacturing | 1969 |
| Norsap Holding AS | | 2008 |
| Norships AS | Professional & scientific | 2017 |
| Norsjór AS | Professional & scientific | 2021 |
| Norsjø Hotell AS | Real estate | 2022 |
| Norsk Biobrensel AS | Wholesale & retail | 2002 |
| Norsk Båtmegling AS | Transport & logistics | 2021 |
| Norsk Energigjenvinning AS | Water & waste | 1999 |
| Norsk Handel AS | Wholesale & retail | 2026 |
| Norsk Hotell & Restaurantutvikling AS | Professional & scientific | 1996 |
| Norsk Hummer AS | Agriculture & fishing | 1970 |
| Norsk Institutt for Hypnoterapi Og Klinisk Hypnose AS | Education | 2019 |
| Norsk Interaktiv AS | Information & communication | 2004 |
| Norsk Internett Affiliate AS | Wholesale & retail | 2016 |
| Norsk Kunst Glass Ans | Wholesale & retail | 1995 |
| Norsk Miljøsanering AS | Construction | 2024 |
| Norsk Mørtelimport AS | Wholesale & retail | 2017 |
| Norsk Spillselskap AS | | 2026 |
| Norsk Takfornying Agder AS | Construction | 2014 |
| Norsk Tur AS | Administrative & support | 2002 |
| Norsk Villfisk SA | Other services | 2017 |
| Norspons AS | Financial services | 2011 |
| Norste Ans | Arts & recreation | 2003 |
| Norstog AS | | 2005 |
| Norstog Eiendom AS | | 2024 |
| Norsul AS | Professional & scientific | 2022 |
| Norsupply AS | Wholesale & retail | 1984 |
| Nortek Solutions AS | Manufacturing | 2020 |
| Northconnect AS | Energy | 2010 |
| Northconnect KS | Energy | 2011 |
| Northence AS | Real estate | 2012 |
| Northern Flow AS | Professional & scientific | 2026 |
| Northworship SA | Arts & recreation | 2024 |
| Noruega AS | Agriculture & fishing | 2018 |
| NORVA24 Sørmiljø AS | Water & waste | 2015 |
| Norvey Consulting AS | Professional & scientific | 2026 |
| Norvey Holding AS | | 2026 |
| Norway Indoor Ski AS | Education | 2018 |
| Norwayservice.Com AS | Wholesale & retail | 2020 |
| Norwegian Camper AS | Wholesale & retail | 2021 |
| Norwegian Collectibles AS | Wholesale & retail | 1991 |
| Norwegian Concept AS | Wholesale & retail | 2006 |
| Norwegian Designhouse AS | Manufacturing | 2014 |
| Norwegian Oil Corporation AS | Wholesale & retail | 2019 |
| Norwegian Power AS | Energy | 2019 |
| Norwegian Qi AS | Health & social care | 2022 |
| Norwegian Seafood AS | Wholesale & retail | 1987 |
| Norwegian Tour Buses/Norske Turbusser AS | Transport & logistics | 2012 |
| Norwegian Toys AS | Wholesale & retail | 2023 |
| Norwegian Trend AS | Wholesale & retail | 2018 |
| Norwegianberries Holding AS | | 2018 |
| Nos Sør AS | Real estate | 2006 |
| Noshaj Transport AS | Transport & logistics | 2020 |
| Nosi Holding AS | | 2026 |
| Nosleep Holding AS | Professional & scientific | 2011 |
| Nosleeptillbrooklyn AS | Professional & scientific | 2004 |
| Nostalgiportalen AS | Wholesale & retail | 2022 |
| Nothingness AS | Information & communication | 2023 |
| Nova Energy AS | Wholesale & retail | 2023 |
| Novablue Marine AS | Manufacturing | 2018 |
| Novelaklinikken Kristiansand AS | Health & social care | 2008 |
| Novigo AS | Professional & scientific | 2014 |
| Nowest AS | Real estate | 2010 |
| Noylana Transport AS | Transport & logistics | 2023 |
| NP I AS | Professional & scientific | 2017 |
| NPV AS | Real estate | 2026 |
| NRG Invest AS | | 2021 |
| NT Consulting AS | Education | 2024 |
| Nt-Gruppen AS | Information & communication | 2016 |
| NTC Holding AS | | 2009 |