| Kirkenes Transport AS | Transport & logistics | 2015 |
| Kitti Fisk AS | Agriculture & fishing | 2019 |
| Kjetil Guttormsen AS | Agriculture & fishing | 2023 |
| Kohtla AS | | 2023 |
| Kontepella AS | Agriculture & fishing | 2019 |
| Kout Holding AS | Manufacturing | 2022 |
| KR Libakken AS | Agriculture & fishing | 2025 |
| KR Libakken Holding AS | | 2023 |
| Kroghfisk AS | Agriculture & fishing | 2018 |
| Kurion AS | Information & communication | 2026 |
| KV Byggeservice AS | Construction | 2021 |
| Laborent AS | Administrative & support | 2013 |
| Laksebreveiere I Tanavassdraget SA | Other services | 1995 |
| Levajok Fjellstue AS | Hospitality | 2002 |
| Lurings Allfix AS | Manufacturing | 2026 |
| Láigoviesut Fanasgieddi AS | Real estate | 2023 |
| Mamp Holding AS | | 2024 |
| Marius Eliassen AS | Agriculture & fishing | 2016 |
| Masjok Vannverk SA | Water & waste | 1975 |
| Masternes Gjenvinning AS | Water & waste | 1997 |
| Masternes Holding AS | Financial services | 2005 |
| Mats Hus AS | Construction | 1993 |
| MBM Future Holding AS | | 2026 |
| Meron AS | Agriculture & fishing | 2019 |
| Meronat AS | Arts & recreation | 2021 |
| Måse Film AS | Information & communication | 2020 |
| NFG AS | Real estate | 2025 |
| Noras Ans | Information & communication | 2002 |
| Nordic Quality Infrastructure AS | Information & communication | 2022 |
| Nordlysbygg AS | Real estate | 2003 |
| Norske Multer Holding AS | | 2023 |
| Norwegian Quality Import & Export Da | Wholesale & retail | 2007 |
| Návet Doallu Da | Agriculture & fishing | 2005 |
| Næringsdrift AS | Construction | 2001 |
| Odd Simonsen Havfiske AS | Agriculture & fishing | 2025 |
| Pedersen Kystfisk AS | Agriculture & fishing | 2026 |
| PLANKEHAUG1 AS | Construction | 2023 |
| Polar Web AS | Hospitality | 2015 |
| Porsanger Svonni Eiendom AS | Real estate | 2020 |
| Preben Johnsen AS | Information & communication | 2024 |
| Pro Metall AS | Manufacturing | 2013 |
| R. Holm AS | Agriculture & fishing | 2024 |
| Raggo Drone AS | Information & communication | 2024 |
| Rast Adventures AS | Agriculture & fishing | 2018 |
| Rein Eiendom AS | Real estate | 2015 |
| Rein Fisk AS | Agriculture & fishing | 2010 |
| Reintag AS | Professional & scientific | 2019 |
| Rekrutterings- Og Serviceanlegg Torhop SA | Real estate | 2014 |
| Resi Fisk AS | Agriculture & fishing | 2024 |
| Roavvegieddi Husky AS | Arts & recreation | 2020 |
| Rockpore Tana AS | Professional & scientific | 2026 |
| Rolf Pedersen AS | Transport & logistics | 1988 |
| Rolstad AS | | 2022 |
| Rolstad Transport AS | Transport & logistics | 2008 |
| Rustefjelbma Servicesenter AS | Wholesale & retail | 2004 |
| S E Betten Transport AS | Transport & logistics | 2014 |
| S. Skjåvik AS | Agriculture & fishing | 2017 |
| Samisk Nærings-Og Utredningssenter AS | Professional & scientific | 1995 |
| Samspill AS | Wholesale & retail | 2010 |
| Seida Eiendom AS | Real estate | 2014 |
| Sende Consulting AS | Professional & scientific | 2023 |
| Smalfjord Fisk Da | Agriculture & fishing | 2014 |
| Smalfjord Fritidshavn AS | Real estate | 2013 |
| Smalfjord Mottak AS | Wholesale & retail | 2021 |
| Solheim Gård Samdrift Da | Agriculture & fishing | 2005 |
| Solveig Ballo Og Torstein Emanuelsen Ans | Agriculture & fishing | 2004 |
| SR Smuk AS | Education | 2018 |
| SRS Maskin & Utstyrsalg AS | Wholesale & retail | 2018 |
| Stig-Morten Paulsen AS | Agriculture & fishing | 2026 |
| Styro Nor AS | Manufacturing | 2023 |
| Styro Nor Eiendom AS | Real estate | 2009 |
| Svein Hammer AS | Transport & logistics | 2020 |
| Svein Hammer Eiendom AS | Real estate | 2006 |
| Sámi House AS | Construction | 2018 |
| Sápmi Invest AS | Professional & scientific | 2003 |
| Sápmi Næringshage AS | Professional & scientific | 2002 |
| Såpebobla AS | Administrative & support | 2025 |
| Tana Arbeidsservice AS | Health & social care | 1999 |
| Tana Beitelag SA | Agriculture & fishing | 1983 |
| Tana Bilglass AS | Other services | 2004 |
| Tana Caravan & Utleie AS | Real estate | 2020 |
| Tana Eiendom AS | Manufacturing | 1985 |
| Tana Familiecamping AS | Hospitality | 1998 |
| Tana Fisk Og Fritid AS | Transport & logistics | 1991 |
| Tana Fiske Og Jakt Opplevelser Da | Arts & recreation | 2002 |
| Tana Frisør AS | Other services | 2013 |
| Tana Golfsimulator AS | Education | 2023 |
| Tana Gull Og Sølvsmie AS | Wholesale & retail | 1990 |
| Tana Holding AS | Real estate | 2019 |
| Tana Husky AS | Arts & recreation | 2017 |
| Tana Installasjon AS | Construction | 2010 |
| Tana Montessoriskole AS | Education | 2019 |
| Tana Motorsenter AS | Wholesale & retail | 2010 |
| Tana Musikk & Maskin AS | Construction | 2006 |
| Tana Port-Service AS | Construction | 2018 |
| Tana Regnskapskontor AS | Professional & scientific | 1996 |
| Tana Scooter & Atv AS | Wholesale & retail | 2006 |
| Tana Skadesanering AS | Construction | 2024 |
| Tana Sol Og Helse AS | Wholesale & retail | 2014 |
| Tana Taxi AS | Transport & logistics | 2022 |