| Irmas Fysioterapi AS | Health & social care | 2007 |
| Ivar Nikoma AS | Water & waste | 2002 |
| J. Harangen Holding AS | Agriculture & fishing | 2019 |
| Jaho Holding AS | Financial services | 2005 |
| Jan Ole Pedersen AS | Wholesale & retail | 2004 |
| Jap Holding AS | Administrative & support | 2005 |
| Jmlh Eiendom AS | Real estate | 2023 |
| Jmlh Holding AS | Transport & logistics | 2023 |
| Johan Isaksen AS | Construction | 1992 |
| Jonasbygg AS | Construction | 2020 |
| Jonsnes Eiendom AS | Real estate | 2018 |
| Josefsen Holding AS | | 2023 |
| Joy's Thaimat AS | Hospitality | 2015 |
| Juga Mikrobryggeri AS | Manufacturing | 2017 |
| Kenneths Garasje AS | Other services | 2018 |
| Kens Trafikkskole AS | Education | 2014 |
| Kima Holding AS | | 2020 |
| Knut-Eilif Bakkevold AS | Administrative & support | 2018 |
| KRB Holding AS | Construction | 2018 |
| Kristian Og Frank Liland Ans | Construction | 1989 |
| Kåven Invest AS | | 2022 |
| L Kristoffersen AS | Agriculture & fishing | 2024 |
| Laatasveien AS | Real estate | 2006 |
| Lakselv Autosenter AS | Wholesale & retail | 2001 |
| Lakselv Bakeri AS | Manufacturing | 1993 |
| Lakselv Begravelsesbyrå AS | Other services | 2019 |
| Lakselv Drosjesentral Ans | Transport & logistics | 2002 |
| Lakselv Dyreklinikk AS | Professional & scientific | 2018 |
| Lakselv Eiendom AS | Real estate | 2006 |
| Lakselv Fisk AS | Agriculture & fishing | 2017 |
| Lakselv Grill AS | Hospitality | 2024 |
| Lakselv Hotell AS | Hospitality | 2019 |
| Lakselv Invest AS | Real estate | 2019 |
| Lakselv Motor AS | Wholesale & retail | 1996 |
| Lakselv Motorsenter AS | Other services | 2022 |
| Lakselv Restaurant AS | Hospitality | 2014 |
| Lakselv Restaurant Og Pizzeria AS | Hospitality | 2023 |
| Lakselv Taxi AS | Transport & logistics | 2011 |
| Lakselv Varetaxi Og Bilberging AS | Transport & logistics | 2002 |
| Lakselvdalen Eiendom AS | Real estate | 2020 |
| Lakselvdalen Holding AS | Construction | 2019 |
| Lavvo AS | Hospitality | 2025 |
| Lekebingen AS | Wholesale & retail | 2008 |
| Lima-Import AS | Wholesale & retail | 2019 |
| Lindbäck Suspension Service AS | Other services | 2016 |
| Lindbæck Bygg Og Tre AS | Construction | 1993 |
| LT Laft Og Bygg AS | Construction | 2012 |
| Luostejok Hyttegrend AS | | 1997 |
| Lásse Rør AS | Construction | 2011 |
| M.B.K Holding AS | | 2024 |
| M.F. Holding AS | Real estate | 2016 |
| M3CARGO AS | Transport & logistics | 2019 |
| M3EQPT AS | Wholesale & retail | 2026 |
| Magasin Nord Torgsenteret AS | Wholesale & retail | 2000 |
| Manpro AS | Administrative & support | 2011 |
| Marthe K. Liland AS | Real estate | 2017 |
| Marthe K. Liland Holding AS | Real estate | 2017 |
| Mc.E Holding AS | | 2025 |
| Me Regnskap AS | Professional & scientific | 2025 |
| Mediegryta AS | Professional & scientific | 2014 |
| Midnightsun Tourist Service AS | Administrative & support | 2017 |
| Midt Finnmark Dyreklinikk AS | Professional & scientific | 2023 |
| Midt Finnmark Eiendom AS | Real estate | 2022 |
| Midt Finnmark Transportsentral Ba | Transport & logistics | 1990 |
| Midt-Finnmark Motor AS | Other services | 2016 |
| Midt-Finnmark Utleie AS | Administrative & support | 2025 |
| Moivi AS | Professional & scientific | 2025 |
| Mojit AS | Professional & scientific | 2024 |
| Møbler & Utstyr AS | Wholesale & retail | 1992 |
| Møbler & Utstyr Eiendom AS | Real estate | 2011 |
| Narvik Nikkel AS | Mining & quarrying | 2022 |
| Neron AS | Information & communication | 2021 |
| Nexotek IT AS | Information & communication | 2020 |
| Nikoma Eiendom AS | Administrative & support | 1999 |
| Ninor Bygg AS | Real estate | 1996 |
| NJH AS | Manufacturing | 2021 |
| Noraccess AS | Financial services | 2014 |
| Nord Bygg & Betong AS | Construction | 2011 |
| Nordic Compact Machinery AS | Wholesale & retail | 2026 |
| Nordlys Frakt AS | Transport & logistics | 1997 |
| Nordlys Grossist AS | Wholesale & retail | 2022 |
| North Cape Helicopter Da | Transport & logistics | 2005 |
| North Cape Seafood AS | Wholesale & retail | 2020 |
| Northcape Offshore AS | Agriculture & fishing | 2013 |
| Northlight Fishing AS | Agriculture & fishing | 2023 |
| Northlight Service AS | Administrative & support | 2024 |
| Notekta AS | Construction | 2021 |
| Nye Nord Transport AS | Transport & logistics | 2023 |
| O. Andreassen Holding AS | Administrative & support | 2011 |
| Odin Kystfiske AS | Agriculture & fishing | 2026 |
| Oleg R&B AS | Construction | 2017 |
| Oleg Raudsepp AS | Construction | 2013 |
| Olli Mekaniske AS | Manufacturing | 2025 |
| Op Eiendom AS | Real estate | 2008 |
| Opdahl Og Pettersen Elektro AS | Construction | 1999 |
| Pako Eiendom AS | Real estate | 1996 |
| Paulsen Entreprenør AS | Construction | 1991 |
| Perpeto Holding AS | Real estate | 2014 |
| Polar Utleie AS | Real estate | 2015 |
| Polartekst Finnmark AS | Arts & recreation | 2019 |