| North Arctic Ventures AS | Trondheim | 2024 |
| North Ark AS | Kopervik | 2020 |
| North Atlantic Enterprises AS | Flaktveit | 2015 |
| North Blue Ras AS | Oslo | 2021 |
| North Cleantech Advisory & Invest AS | Oslo | 2023 |
| North Consult AS | Hovet | 2021 |
| North Corporate AS | Oslo | 2014 |
| North Creative Studio AS | Oslo | 2023 |
| North Degrees Norway AS | Sandnes | 2017 |
| North East Piping Limited | Aberdeen Ab11 7Sl Scotland | 2016 |
| North East Rigging & Liftin Limited | Guisborough Ts14 7Lx | 2015 |
| North East Well Operations Ltd | Aberdeenshire, Scotland, Ab42 4Up | 2020 |
| North East Well Services Limited | Aberdeenshire Ab21 7 | 2015 |
| North Harbor AS | Vesterøy | 2026 |
| North Hill Invest AS | Rådal | 2014 |
| North Hills Capital AS | Fredrikstad | 2023 |
| North HR AS | Oslo | 2022 |
| North Innovation AS | Åseral | 2020 |
| North Inspection AS | Sortland | 2013 |
| North Inspection Bodø AS | Bodø | 2024 |
| North Inspection Mo I Rana AS | Mo I Rana | 2024 |
| North Inspection Sandnessjøen AS | Sandnessjøen | 2024 |
| North Labs AS | Aurland | 2021 |
| North Light Trading AS | Ski | 2021 |
| North Maritime AS | Narvik | 2017 |
| North Marketing AS | Rørvik | 2025 |
| North Media Group AS | Mo I Rana | 2016 |
| North of Impact AS | Kabelvåg | 2025 |
| North Partners AS | Tromsø | 2023 |
| North Projects AS | Vadsø | 2026 |
| North Real Estate AS | Lysaker | 2023 |
| North Sea Consulting AS | Sandnes | 2014 |
| North Sea Drilling AS | Sandnes | 2008 |
| North Sea Electronics AS | Laksevåg | 2005 |
| North Sea Group AS | Sandnes | 2014 |
| North Sea Handling AS | Laksevåg | 2017 |
| North Sea Media Group AS | Stavanger | 2021 |
| North Sea Process Solutions Ltd | Sr2 7Tw Sunderland | 2015 |
| North Sense Consulting Agnieszka Bazelak-Volden | Pl-80-126 Gdansk | 2025 |
| North Shore AS | Oslo | 2007 |
| North Siek Holding AS | Skatval | 2024 |
| North South International AS | Snarøya | 2001 |
| North Star Consultancy AS | Sandnes | 2025 |
| North Star Shipping Limited | Ab11 5Fs Aberdeen | 2010 |
| North Stars Management AS | Oslo | 2024 |
| North Town Analytics AS | Molde | 2022 |
| North Trading AS | Oslo | 2017 |
| North West Marine AS | Svelvik | 1993 |
| North West Solutions AS | Frei | 2013 |
| North Yorkshire Enviromental Ltd | North Yourkshire Yo12 6Pe | 2008 |
| North-South Partnership AS | Midsund | 2009 |
| Northaxis Strategies AS | Oslo | 2025 |
| Northbay International AS | Hundvåg | 2013 |
| Northbound Commercial AS | Son | 2026 |
| Northbrook AS | Tjodalyng | 2024 |
| Northcape AS | Oslo | 2016 |
| Northcape Capital AS | Oslo | 2025 |
| Northcore AS | Sandnessjøen | 2022 |
| Northcore Consulting AS | Hernes | 2026 |
| Northcrew AS | Harstad | 2026 |
| Northcruise AS | Oslo | 2025 |
| Northcruise Valuation Services AS | Oslo | 2025 |
| Northerlands Translations AS | Halden | 2024 |
| Northern Curated AS | Søreidgrend | 2026 |
| Northern Defence Solutions AS | Oslo | 2021 |
| Northern Energy AS | Oslo | 2020 |
| Northern Flow AS | Kristiansand S | 2026 |
| Northern Holding AS | Oslo | 2020 |
| Northern Housing AS | Molde | 2022 |
| Northern Law Advokatfirma AS | Laksevåg | 2023 |
| Northern Lights Consulting AS | Alta | 2024 |
| Northern Lights Group AS | Tolvsrød | 2012 |
| Northern Mill AS | Drøbak | 2018 |
| Northern Ocean Management Norway AS | Stavanger | 2018 |
| Northern Rock AS | Tromsø | 2020 |
| Northern Stories AS | Oslo | 2017 |
| Northern Visual AS | Bergen | 1999 |
| Northernblue AS | Haugesund | 2025 |
| NORTHFAB3D AS | Storslett | 2026 |
| Northfair AS | Bergen | 1989 |
| Northfolk AS | Oslo | 2020 |
| Northhaven Management AS | Ytre Enebakk | 2026 |
| Northica AS | Oslo | 2021 |
| Northlab AS | Egersund | 2023 |
| Northland Controls Limited | Hertfordshire Sg6 2Ts | 2023 |
| Northlead AS | Oslo | 2018 |
| Northline AS | Søfteland | 2017 |
| Northlogic AS | Sandnes | 2026 |
| Northpro AS | Kleppe | 2023 |
| Northproject | Lv-1048 Riga | 2013 |
| Northrop Grumman International Trading, Inc. Nuf | Falls Church, Virginia 22042 | 2023 |
| Northsands Ltd | London W14 0Bp | 2019 |
| Northsea Capital AS | Oslo | 2016 |
| Northsea Therapeutics Norway AS | Oslo | 2016 |
| Northseafood Holding AS | Stavanger | 2023 |
| Northshore AS | Tromsø | 2013 |
| Northshore Design AS | Trondheim | 2025 |
| Northshore Geological Ltd | Newquay Cornwall Tr7 3Eh | 2019 |
| Northstar & Co AS | Oslo | 2025 |
| Northstar Architects AS | Fornebu | 2023 |