| Nina Lægreid AS | Kaupanger | 2025 |
| Nina Ritzi AS | Skogbygda | 2020 |
| Nirodha AS | Bodø | 2020 |
| Nito Helse & Fitness Da | Stange | 2012 |
| Nitteberg Consulting AS | Bjørnemyr | 2019 |
| Nitteberg Performance AS | Bjørnemyr | 1996 |
| Nittedal Hestesenter AS | Nittedal | 2005 |
| Nivåmetoden AS | Nesodden | 1976 |
| NK Coaching AS | Arendal | 2026 |
| Nki Kompetanse AS | Oslo | 2017 |
| Nla Høgskolen AS | Bergen | 2009 |
| NLP Coaching Academy AS | Oslo | 2018 |
| NLP Eliteteam Da | Oslo | 2007 |
| NLP Nor Kurs Og Coaching AS | Tverlandet | 2020 |
| No Limit Adventure AS | Rong | 1964 |
| No More Fear AS | Porsgrunn | 2016 |
| Noaa AS | Oslo | 2025 |
| Noah Barnehage AS | Saltrød | 2015 |
| Noah Enterprises AS | Oslo | 2024 |
| Noahs Ark Barnehage AS | Strømmen | 2016 |
| Noahs Ark Miljøbarnehage AS | Lier | 2007 |
| Noas Park Barnehage AS | Fredrikstad | 2018 |
| Nobel Resource Group AS | Nesbru | 1998 |
| Nocna AS | Oslo | 2016 |
| Nodelive AS | Høvik | 2026 |
| Noema Akademiet AS | Sandvika | 2015 |
| Noema Da | Østerås | 2002 |
| Noesis-Senter for Kreativitet Og Kommunikasjon Ans | Skien | 2008 |
| Nomad Coaching AS | Kongsberg | 2023 |
| Nomas Norges Massasjeskole AS | Oslo | 2024 |
| Nomus AS | Trondheim | 2003 |
| Nooa AS | Kragerø | 2012 |
| Noplan B AS | Drammen | 2020 |
| Nor Selection AS | Oslo | 2012 |
| Nor Truck Og Maskinskole AS | Hakadal | 2017 |
| Nora, Nasjonal Og Regional Arena for Dans I Telemark AS | Skien | 2011 |
| Norasonde Karriere AS | Lillestrøm | 2015 |
| Norasonde Læringssenter AS | Lillestrøm | 2015 |
| Nord Barneyoga, Medisinsk Yoga Og Terapi AS | Tromsø | 2016 |
| Nord Salten Opplæringskontor AS | Stamsund | 2018 |
| Nord&Ne AS | Saltstraumen | 2020 |
| Nord-Norsk Trafikksenter AS | Finnsnes | 2001 |
| Nord-Troms Aktivitet & Utvikling AS | Skjervøy | 2021 |
| Nord-Troms Trafikkskolesenter AS | Storslett | 1999 |
| Nordahl Kompetanse AS | Hamar | 2025 |
| Nordavin AS | Tromsø | 2021 |
| Nordberg Consulting AS | Lysaker | 2013 |
| Nordborg Skoler AS | Finnsnes | 2005 |
| Nordby Gardsbarnehage AS | Jevnaker | 2022 |
| Nordby Gårdsbarnehage AS | Halden | 2005 |
| Nordby Gårdsbarnehage Biri AS | Biri | 2016 |
| Nordfjord Folkehøgskule SA | Sandane | 1923 |
| Nordgård Service Da | Mosjøen | 2022 |
| Nordheim Friluftsbarnehage SA | Brøttum | 2000 |
| Nordhordland Barnehage AS | Alversund | 2006 |
| Nordic Centre for Applied Learning AS | Røsvik | 2016 |
| Nordic Family Office AS | Nøtterøy | 2023 |
| Nordic Financial Consultants AS | Ranheim | 2024 |
| Nordic Football Academy Rogaland AS | Kleppe | 2021 |
| Nordic Halo AS | Risør | 2020 |
| Nordic Health and Fitness AS | Grimstad | 2016 |
| Nordic International Leadership Training Center AS | Lysaker | 2012 |
| Nordic K9 Conditioning AS | Fornebu | 2025 |
| Nordic Moto Group AS | Frekhaug | 2025 |
| Nordic Movement AS | Ålesund | 2026 |
| Nordic Pilot Academy AS | Ålesund | 2026 |
| Nordic Response AS | Bergen | 2025 |
| Nordic Risk Advisory AS | Sandvika | 2026 |
| Nordic Sailing AS | Snarøya | 2026 |
| Nordic Skills Center AS | Stabekk | 2017 |
| Nordic Storylab AS | Oslo | 2015 |
| Nordic Terrain Academy AS | Hundvåg | 2019 |
| Nordic Yoga AS | Trondheim | 2024 |
| Nordicnetcare AS | Oslo | 2014 |
| Nordicpt AS | Tromsø | 2022 |
| Nordino Da | Førde | 2006 |
| Nordiq Performance AS | Rena | 2026 |
| Nordisk Akademi for Trening Og Prestasjon AS | Oslo | 2023 |
| Nordisk Inntakskontor AS | Kristiansand S | 2020 |
| Nordisk Institutt for Stemme Og Stillhet AS | Bergen | 2021 |
| Nordisk Telematikk Institutt AS | Asker | 1985 |
| Nordisk Yoga Og Meditasjonsskole AS | Røyken | 2025 |
| Nordlys Barnehage AS | Kabelvåg | 2008 |
| Nordlys Førstehjelp AS | Hernes | 2026 |
| Nordlysbyen Trafikkskole AS | Alta | 2013 |
| Nordmarka Rideskole AS | Oslo | 2014 |
| Nordmøre Aku AS | Todalen | 2022 |
| Nordraaksgate Barnehage SA | Oslo | 1992 |
| Nordre Bakken AS | Lom | 2023 |
| Nordre Brevig Ipt Gård AS | Enebakk | 2012 |
| Nordre Skøyen Barnehage SA | Oslo | 1990 |
| Nordreisa Menighetsbarnehage AS | Storslett | 2013 |
| Nordsihaugen Familiebarnehage AS | Steinkjer | 2006 |
| Nordskar Invest AS | Heidal | 2005 |
| Nordskogen Barnehage SA | Sortland | 2001 |
| Nordstjerna Yoga AS | Ballangen | 2021 |
| Nordstrand Kulturskole AS | Tolvsrød | 2006 |
| Nordtvet Gård Barnehage AS | Oslo | 2015 |
| Nordvestlandet Folkehøgskole SA | Torvikbukt | 1965 |
| Nordwestbrann AS | Råholt | 2024 |