| Norwegian Adventure Group AS | Oslo | 2021 |
| Norwegian Adventure Guides AS | Oslo | 2020 |
| Norwegian Adventures AS | Oslo | 2002 |
| Norwegian Air International Ltd | Dublin 2 | 2015 |
| Norwegian Business Pavilions AS | Bærums Verk | 2008 |
| Norwegian Crew Services AS | Lysaker | 2008 |
| Norwegian Cruise AS | Måløy | 2010 |
| Norwegian Destination Development & Management AS | Gran | 2025 |
| Norwegian Detectiondogs AS | Jessheim | 2019 |
| Norwegian Drilling AS | Stavanger | 1981 |
| Norwegian Experience AS | Jørpeland | 2019 |
| Norwegian Explorer Vans AS | Rena | 2020 |
| Norwegian Eye AS | Hammerfest | 2017 |
| Norwegian Film AS | Sem | 2007 |
| Norwegian Fintech AS | Klæbu | 2018 |
| Norwegian Flying Aces AS | Notodden | 2017 |
| Norwegian Gambian Development Enterprise Da | Stavanger | 2000 |
| Norwegian Guide Service AS | Bergen | 1991 |
| Norwegian Holding AS | Lysekloster | 2022 |
| Norwegian Holy Travel AS | Oslo | 2019 |
| Norwegian Hull Cleaning AS | Haugesund | 2021 |
| Norwegian Hunting Da | Kongsvinger | 2006 |
| Norwegian Ice Design Da | Ski | 2024 |
| Norwegian International Trust Services Ans | Paradis | 2004 |
| Norwegian Landcamper AS | Hønefoss | 2019 |
| Norwegian Machinery Lease AS | Sundebru | 2021 |
| Norwegian Maritime Consultants AS | Oslo | 1994 |
| Norwegian Nature & Mountain Events AS | Oslo | 2008 |
| Norwegian Offshore AS | Lysekloster | 2022 |
| Norwegian Offshore Rental AS | Aksdal | 2005 |
| Norwegian Offshore Wind AS | Haugesund | 2009 |
| Norwegian Promotion Group AS | Oslo | 1991 |
| Norwegian PSV II AS | Oslo | 2022 |
| Norwegian Safety Services AS | Strusshamn | 2015 |
| Norwegian Scaffold Group AS | Råde | 2012 |
| Norwegian Sea Kayaking AS | Asker | 2020 |
| Norwegian Security Assist AS | Fjerdingby | 2010 |
| Norwegian Service Team Renhold AS | Avaldsnes | 1999 |
| Norwegian Signature AS | Tromsdalen | 2020 |
| Norwegian Summits AS | Bergen | 2017 |
| Norwegian Toy House SA | Sandefjord | 2020 |
| Norwegian Travel Concierge AS | Laksevåg | 2025 |
| Norwegian Travel Group AS | Dalen | 2007 |
| Norwegian Vaktmesterservice AS | Algarheim | 2015 |
| Norwegian Wonders AS | Sunde I Sunnhordland | 2018 |
| Norwest Brattvaag AS | Brattvåg | 2022 |
| Norwest Ship Crewing AS | Avaldsnes | 2011 |
| Norwibe AS | Drammen | 2025 |
| Norwind Crew Services AS | Ålesund | 2022 |
| Norwind Crewing AS | Ålesund | 2019 |
| Norwind Offshore AS | Ålesund | 2022 |
| Nosacsiah AS | Elnesvågen | 2016 |
| Nosherwan AS | Oslo | 2025 |
| NOSPV3 AS | Oslo | 2020 |
| Nosta Tech Limited Nuf | Kolbjørnsvik | 2011 |
| Nostolava-Auto Jalo & Jalo OY | Fi-20360 Turku | 2026 |
| Nostra Holding AS | Oslo | 1997 |
| Not a Camper AS | Førde | 2022 |
| Notabene AS | Bergen | 2024 |
| Notodden Event AS | Notodden | 2026 |
| Notodden Flyinvest AS | Notodden | 1999 |
| Notodden Opplevelser AS | Notodden | 2023 |
| Nov Elmar BV Groot-Ammers | Nl-2964 Le Groot-Ammers | 2015 |
| Nov Expatriate Services Inc Nuf | 19801 Wilmington New Castle County | 2025 |
| Nov Tuboscope Italia S.T.L. | It-20135 Milano | 2018 |
| Nova Investering AS | Oslo | 2021 |
| Nova Kon AS | Oslo | 1986 |
| Nova Octo AS | Oslo | 2025 |
| Nova People AS | Nøtterøy | 1986 |
| Nova People Ltd | Nr6 6Bb Norfolk | 2000 |
| Nova Renhold Sukran Arslankaya Ans | Lørenskog | 1998 |
| Nova Sales AS | Oslo | 2023 |
| Nova Salg AS | Oslo | 2025 |
| Nova Scooter AS | Sarpsborg | 2026 |
| Nova Service AS | Oslo | 2021 |
| Nova Space AS | Farstad | 2022 |
| Nova Spektrum AS | Lillestrøm | 2018 |
| Nova Vedlikehold AS | Undheim | 2001 |
| Nova-Bemanning AS | Rolvsøy | 2026 |
| Nova-Ren AS | Lørenskog | 2012 |
| Novaclean AS | Oslo | 2022 |
| Novak AS | Oslo | 2014 |
| Novedo Norge Opco AS | Voss | 2024 |
| Novus Bemanning AS | Trollåsen | 2021 |
| Novus Systems AS | Kjeller | 2020 |
| Nowcasting International Ltd | Clare, Ireland | 2011 |
| Noxcess AS | Laksevåg | 2026 |
| NP - Rental AS | Oslo | 2023 |
| NP Bodø Holding AS | Bodø | 2015 |
| NP Renhold AS | Flatanger | 2021 |
| NPG Group AS | Oslo | 2016 |
| NPG Peak Holding AS | Oslo | 2019 |
| Npro Messe AS | Heimdal | 2021 |
| NPT Norway Protravel GmbH | Bekkestua | 2015 |
| NPV20 AS | Stange | 2020 |
| NR Drift AS | Oslo | 2022 |
| NR1UTLEIE AS | Stathelle | 2015 |
| NRF Salg Og Utleie AS | Høylandet | 2003 |
| NRG Norway AS | Oslo | 2007 |
| NRN AS | Lillehammer | 2024 |