| Arbeidmatch Norge AS | Ranheim | 2025 |
| Arbeidshjelpen Da | Bergen | 2008 |
| Arbeidsjernet AS | Stavanger | 2015 |
| Arbeidskameraten AS | Langhus | 2012 |
| Arbeidsklar AS | Oslo | 2026 |
| Arbeidskraft AS | Søgne | 2014 |
| Arbeidskraft Solution AS | Grålum | 2024 |
| Arbeidskraft Valdres AS | Fagernes | 2011 |
| Arbeidslivskriminalitet Mot Bemanning Og Rekruttering Krzysztof Szkardkiewicz | Jessheim | 2005 |
| Arbida AS | Mysen | 2002 |
| Arc Bergen AS | Paradis | 2024 |
| Arcade Travel AS | Oslo | 2012 |
| Arcadis Human Resources Limited | London Ec3M 4By England | 2024 |
| Arcapay Uab | Lt-01109 Vilnius | 2021 |
| Arch Adventures AS | Bergen | 2025 |
| Archer (UK) Ltd | Aberdeen Ab21 0Bp | 2011 |
| Archer Consulting AS | Sandnes | 2013 |
| Arcitech AS | Nøtterøy | 2024 |
| Arctic Adventure Resort AS | Kirkenes | 2001 |
| Arctic Adventures AS | Longyearbyen | 2002 |
| Arctic Arena AS | Longyearbyen | 2021 |
| Arctic Autorent AS | Longyearbyen | 2023 |
| Arctic Bell Travel AS | Alta | 2023 |
| Arctic Bonds AS | Tromsø | 2020 |
| Arctic Breeze AS | Tromsø | 1998 |
| Arctic Camp Brattli AS | Tromsø | 2019 |
| Arctic Campers AS | Kvaløya | 2013 |
| Arctic Campers Temp AS | Kvaløya | 2025 |
| Arctic Clean AS | Engavågen | 2026 |
| Arctic Cruise AS | Bodø | 2010 |
| Arctic Cykling AS | Tromsø | 2018 |
| Arctic Dream AS | Tromsø | 2025 |
| Arctic Dreams Norway AS | Lørenskog | 2019 |
| Arctic Drift AS | Slemmestad | 1994 |
| Arctic Eiendomsservice AS | Tromsdalen | 2010 |
| Arctic Employer AS | Oslo | 2018 |
| Arctic Experience AS | Kvaløya | 2014 |
| Arctic Explorers Norway AS | Tromsø | 2021 |
| Arctic Farm AS | Tromsø | 2018 |
| Arctic Film Equipment Ans | Tromsø | 2010 |
| Arctic Fishing Sommarøy AS | Kvaløya | 2017 |
| Arctic Floating Narvik AS | Narvik | 2026 |
| Arctic Food Walk AS | Tromsø | 2025 |
| Arctic Footsteps AS | Longyearbyen | 2026 |
| Arctic Fun AS | Tromsø | 2025 |
| Arctic Golf Challenge AS | Oslo | 2024 |
| Arctic Guide Service AS | Leknes | 2001 |
| Arctic Hullcare AS | Oteren | 2024 |
| Arctic Ilo AS | Lakselv | 2017 |
| Arctic Insights Tromsø AS | Harstad | 2024 |
| Arctic Maritime Partner AS | Lovund | 2020 |
| Arctic Mascot AS | Tromsdalen | 2013 |
| Arctic Mining Rental AS | Vestby | 2026 |
| Arctic Moments AS | Tromsø | 2026 |
| Arctic Moments Narvik AS | Narvik | 2025 |
| Arctic Mountain Adventures AS | Tennevoll | 2020 |
| Arctic North Adventures AS | Sortland | 2025 |
| Arctic Nova AS | Bodø | 2021 |
| Arctic Nova Holding AS | Bodø | 2023 |
| Arctic Ocean Sail Holding AS | Napp | 2024 |
| Arctic Open Events AS | Storslett | 2022 |
| Arctic Outdoor AS | Meløy | 2017 |
| Arctic Padel AS | Bergen | 2020 |
| Arctic Passport AS | Tromsø | 2026 |
| Arctic People AS | Mehamn | 2021 |
| Arctic Personutleie AS | Lakselv | 2015 |
| Arctic Pulse AS | Tromsø | 2017 |
| Arctic Renhold Ans | Krokelvdalen | 1983 |
| Arctic Safari Experience Da | Ballangen | 2006 |
| Arctic Sailing AS | Fana | 2016 |
| Arctic Sea Adventures AS | Tromsø | 2025 |
| Arctic Seasons AS | Oteren | 2025 |
| Arctic Seaview AS | Kvaløya | 2026 |
| Arctic Sherpa Expeditions AS | Ørskog | 2026 |
| Arctic Sound Da | Oslo | 2006 |
| Arctic Spearfishing AS | Gravdal | 2019 |
| Arctic Splitboard Festival AS | Langfjordbotn | 2024 |
| Arctic Stillas AS | Bodø | 2026 |
| Arctic Stories AS | Honningsvåg | 2020 |
| Arctic Sunset AS | Liland | 2025 |
| Arctic Supercar Collection AS | Oslo | 2024 |
| Arctic Supercars AS | Oslo | 2024 |
| Arctic Tapas AS | Longyearbyen | 2012 |
| Arctic Touring AS | Tromsø | 2025 |
| Arctic Tours AS | Tromsø | 2025 |
| Arctic Transfers AS | Hansnes | 2025 |
| Arctic Travel & Leisure AS | Tromsø | 2016 |
| Arctic Travel Invest AS | Leknes | 2006 |
| Arctic Traveller AS | Finnsnes | 2021 |
| Arctic Trust Invest AS | Tromsø | 2023 |
| Arctic Utleie AS | Rossfjordstraumen | 2026 |
| Arctic Utleiesenter AS | Finnsnes | 2025 |
| Arctic Viking AS | Krokelvdalen | 2026 |
| Arctic Wearbox AS | Skien | 2026 |
| Arctic Westie Fest AS | Tromsø | 2026 |
| Arctic Wild Tours AS | Tromsø | 2024 |
| Arctic Wildlife Tours AS | Stjørdal | 2016 |
| Arctic Wildlife Tours Svalbard AS | Longyearbyen | 2025 |
| ARCTIC-365 AS | Tromsø | 2010 |
| ARCTIC2LAND Technology AS | Sandnes | 2016 |