| Nordisk Partner AS | Trondheim | 2025 |
| Nordisk Tungbilservice AS | Mysen | 2025 |
| Nordkapp Auto AS | Honningsvåg | 1998 |
| Nordkapp Bilservice AS | Honningsvåg | 2000 |
| Nordkjosbotn Teknisk Senter Ans | Nordkjosbotn | 1993 |
| Nordlys Auto AS | Lillesand | 2018 |
| Nordlysauto AS | Leinstrand | 2025 |
| Nordnes Multiservice AS | Husnes | 2024 |
| Nordnorsk Fuktsenter AS | Olderdalen | 2025 |
| Nordnorske Entreprenørers Serviceorganisasjon SA | Svolvær | 1986 |
| Nordre Follo Frisør AS | Ski | 2020 |
| Nordre Nordmøre Bru- Og Tunnelselskap AS | Kristiansund N | 2007 |
| Nordre Vartdal Småbåtlag | Vartdal | 1978 |
| Nordreisa El-Service AS | Storslett | 1996 |
| Nordsalten Sentralverksted AS | Innhavet | 2015 |
| Nordsea Safety AS | Florvåg | 2025 |
| Nordsiden Renseri AS | Hønefoss | 2009 |
| Nordstrand Billakkering AS | Oslo | 2006 |
| Nordvik AS | Bodø | 1987 |
| Nordås Auto AS | Rådal | 2019 |
| Nore Begravelsesbyrå AS | Måløy | 2020 |
| Noreens Beauty AS | Oslo | 2014 |
| Norela Neglesalong AS | Kristiansand S | 2026 |
| Norfos Holding AS | Arendal | 2021 |
| Norge Yacht Support AS | Drammen | 2023 |
| Norges Billakk AS | Oslo | 2011 |
| Norges Hundefrisørskole AS | Horten | 2019 |
| Norheim Karosseriverksted AS | Karmsund | 2026 |
| Norheim Lakkering AS | Karmsund | 1994 |
| Norheimsund Servicesenter AS | Norheimsund | 2001 |
| Norlift Special Vehicles AS | Skien | 2016 |
| Normann Bilskade AS | Drammen | 2015 |
| Normann Bilverksted AS | Drammen | 2000 |
| Normassasje AS | Tvedestrand | 2001 |
| Normisjon Rogaland Holding AS | Stavanger | 2024 |
| Normog Drift AS | Fetsund | 2022 |
| Normog Holding AS | Fetsund | 2022 |
| Norner Holding AS | Dale I Sunnfjord | 2025 |
| Norpay AS | Oslo | 2013 |
| Norservice AS | Oslo | 2024 |
| Norsk Alpinservice AS | Oslo | 2018 |
| Norsk Autogjenvinning AS | Auli | 2006 |
| Norsk Bilteknikk Ans | Oslo | 2006 |
| Norsk Dekkvulkanisering AS | Hokksund | 2007 |
| Norsk Familieøkonomi AS | Bryne | 2000 |
| Norsk Familieøkonomi Holding AS | Bryne | 2004 |
| Norsk Hundeterapi AS | Brumunddal | 2019 |
| Norsk Husservice AS | Lyngdal | 2021 |
| Norsk Landbrukstakst SA | Steinkjer | 2018 |
| Norsk Lastebildemontering AS | Sør-Fron | 2024 |
| Norsk Lodding AS | Bergen | 2024 |
| Norsk Padel Klubb AS | Oslo | 2020 |
| Norsk Personalpleie Mauseth AS | Åmot | 2019 |
| Norsk Scania AS | Oslo | 1997 |
| Norsk Tungbilservice AS | Råde | 2021 |
| Norsk Vann Ba | Hamar | 2003 |
| Norsk Ved Forum for Vedprodusenter AS | Ål | 2016 |
| Norsk Veteranmotor AS | Rubbestadneset | 2014 |
| Norsk Villfisk SA | Kristiansand S | 2017 |
| Norske Boligbyggelags Landsforbund SA | Oslo | 1946 |
| Norske Fjellstuer Og Fjellhotell SA | Lillehammer | 2021 |
| Norske Sjømatbedrifters Servicekontor SA | Trondheim | 1992 |
| Norske Tjenestehunder AS | Lommedalen | 2024 |
| Norske Vaskerier SA | Jessheim | 2010 |
| Norstrand Bil AS | Nordkjosbotn | 2016 |
| Norsvin Invest AS | Hamar | 2012 |
| Norsvin SA | Hamar | 1958 |
| North Nobel Detailing AS | Trondheim | 2019 |
| North Palm Companies AS | Sandvika | 2024 |
| North Star West AS | Bergen | 2024 |
| North Tech AS | Hammerfest | 2016 |
| Northgenix AS | Maura | 2025 |
| Northstar Holding AS | Bergen | 2023 |
| Nortun SA | Vanse | 1999 |
| Norvegan AS | Oslo | 2014 |
| Norwadi AS | Høvik | 2026 |
| Norway Convention Bureau SA | Oslo | 2004 |
| Norway Maha Vishnu Tempel AS | Oslo | 2025 |
| Norway Speedrunner Gathering AS | Andebu | 2024 |
| Norwegian Beauty AS | Svinndal | 2016 |
| Norwegian Seaweed Association AS | Bodø | 2015 |
| Norwegian Systems Engineering Council (Norsec) | Rådal | 1999 |
| Noses of Norway AS | Lier | 2015 |
| Notodden Autoservice AS | Notodden | 2026 |
| Notodden Begravelsesbyrå AS | Notodden | 2003 |
| Notodden Bilpleiesenter AS | Notodden | 1990 |
| Notodden Rens AS | Notodden | 2014 |
| Notorious Ink AS | Oslo | 2021 |
| Nova Bilpleie AS | Lørenskog | 2023 |
| Nova Car Spa AS | Ålesund | 2025 |
| Nova Frisør AS | Steinkjer | 1999 |
| Nova Konsern AS | Vinterbro | 2011 |
| Novaredlight AS | Haugesund | 2026 |
| Novavital AS | Vestby | 2024 |
| Novelaklinikken Drammen AS | Drammen | 2002 |
| Novelaklinikken Vestfold AS | Tønsberg | 2005 |
| Novus Fredrikstad Ans | Gressvik | 1988 |
| Noy Frisør AS | Ulsteinvik | 2008 |
| Noéa - Hud Og Estetikk AS | Horten | 2026 |
| Noéa Studio AS | Andenes | 2026 |