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| Nci Holding AS | Oslo | 2017 |
| NCR Norge AS | Moss | 1952 |
| Ne-Ro AS | Skåbu | 2018 |
| Neadalen Begravelsesbyrå AS | Selbu | 2024 |
| Neaslipen AS | Selbu | 2012 |
| Nedenes Frisør AS | Nedenes | 1992 |
| Nedre Glomma Ressurssenter Da | Sarpsborg | 2010 |
| Nedre Opsahl AS | Tranby | 2022 |
| Neglboden AS | Porsgrunn | 2024 |
| Neglbutikk AS | Jar | 2024 |
| Negledesign Manza AS | Oslo | 2026 |
| Neglefixeriet Ans | Voss | 1998 |
| Neglemannen AS | Kløfta | 2014 |
| Negler Perfect Beauty AS | Jevnaker | 2024 |
| Negler Ved Nina AS | Bodø | 2020 |
| Neglfabrikken AS | Sandnes | 2019 |
| NELI1 AS | Geithus | 2023 |
| Nellie Møbeltapetserer AS | Kristiansand S | 2022 |
| Nematech AS | Sandefjord | 2024 |
| Nemnda for Nordlandsbunaden for Kvinner AS | Bodø | 2024 |
| Nerlis Holding AS | Skjetten | 2024 |
| Nernes Eiendom AS | Førresfjorden | 2006 |
| Nes Bil AS | Årnes | 2009 |
| Nes Bilelektro AS | Årnes | 1995 |
| Nes Forfatter Forening | Rolvsøy | 2013 |
| Nes-Bil AS | Furnes | 2017 |
| Nes-Bil Furnesvegen AS | Hamar | 2020 |
| Nes-Bilverksted AS | Nes På Hedmarken | 2025 |
| Nes-Løfall Skogsveglag | Rosendal | 1998 |
| Nesbyen Auto AS | Nesbyen | 2001 |
| Nesbyen Bil AS | Nesbyen | 2014 |
| Nesodden Bil Og Karosseri AS | Fjellstrand | 2024 |
| Nesodden Bil Og Karosseri Newco AS | Fjellstrand | 2026 |
| Nesodden Frisør AS | Bjørnemyr | 2024 |
| Nesodden Vask & Renseri AS | Nesodden | 2003 |
| Nesset Auto AS | Osen | 2016 |
| Nesset Bilverksted AS | Raudsand | 1998 |
| Nessø Lakkering AS | Verdal | 2022 |
| Nesttun Frisør AS | Nesttun | 2025 |
| Netlandet AS | Spydeberg | 2020 |
| Nett Og Elektronikkservice AS | Sandnessjøen | 2005 |
| Nett Som Nytt AS | Bergen | 2022 |
| Nett Værk Ans | Oslo | 1996 |
| Nettverket Fornyelse AS | Sem | 2013 |
| Nevi AS | Kleppe | 2005 |
| Nevland AS | Ålgård | 2018 |
| Nevlands Avd. Hillevåg AS | Stavanger | 2021 |
| Nevlands Bil Og Karosseri AS | Stavanger | 1999 |
| New Attitude AS | Tomter | 2014 |
| New Beauty AS | Svelvik | 2012 |
| New Enjoy Thai Massage Da | Sandefjord | 2019 |
| New Era AS | Drøbak | 2023 |
| New Life Clinique - NLC AS | Drammen | 2019 |
| New Life Energy AS | Oslo | 2024 |
| New Line Frisør AS | Stavanger | 2013 |
| New Look Barbershop AS | Sandefjord | 2025 |
| New Nails Jessheim AS | Jessheim | 2026 |
| New Roots Da | Bergen | 2020 |
| New Star AS | Kristiansand S | 2026 |
| New Style Frisør AS | Vennesla | 2017 |
| New Style Frisør Lillesand AS | Lillesand | 2018 |
| New York Nails AS | Strømmen | 2021 |
| New You Barber Shop AS | Fredrikstad | 2024 |
| Nexora Oslo AS | Oslo | 2026 |
| Nexsyn AS | Vadheim | 2014 |
| Nexus Frisør AS | Tønsberg | 2017 |
| NFH 250751 AS | Tjøme | 2025 |
| Ngo Nails AS | Søreidgrend | 2023 |
| NH Bilverksted AS | Åndalsnes | 2018 |
| Nicharat Helse & Velvære Clinic AS | Longyearbyen | 2022 |
| Nico Holding Bodø AS | Bodø | 2008 |
| Nidaros Autoverksted AS | Trondheim | 2024 |
| Nidaros Bilvask AS | Trondheim | 2024 |
| Nidaros Bilverksted AS | Trondheim | 2022 |
| Nidaros Velvære AS | Trondheim | 2018 |
| Nidelv Frisør AS | Åmli | 2024 |
| Nidhogg Tatoveringsstudio Da | Bergen | 2016 |
| Nidocutz Avd Storo AS | Oslo | 2024 |
| Nielleve AS | Hafslundsøy | 2018 |
| Nikcosønn Ans | Mosjøen | 1992 |
| Nikita Gruppen Norge AS | Oslo | 1995 |
| Nikola Grozdic AS AS | Oslo | 2023 |
| Nikoline Hudklinikk AS | Sandane | 2025 |
| Nilsen Bil & Karosseri AS | Klepp Stasjon | 2013 |
| Nilsen Bilservice AS | Askim | 1995 |
| Nilsen IT. AS | Søgne | 2015 |
| Nimas Holding AS | Vinterbro | 2024 |
| Ninas Invest AS | Høvåg | 2021 |
| Nio Nextev Europe Holding B.V. | 1101Bv Amsterdam | 2021 |
| Niro Eiendom AS | Selje | 1995 |
| Nita Salong AS | Moss | 2011 |
| Nitas Spa & Massasje AS | Bodø | 2021 |
| Nitro-Bil AS | Klæbu | 2006 |
| Nitrogruppa AS | Holmestrand | 2012 |
| Nittedal Begravelsesbyrå AS | Nittedal | 2021 |
| Nittedal Karosseriverksted AS | Nittedal | 1996 |
| Nittedal Lakkering AS | Nittedal | 2020 |
| Nittedal Vask Og Renseri AS | Nittedal | 2015 |
| Niva Nails & Beauty AS | Skien | 2026 |