| Teknologiveien 12 AS | Real estate | 2025 |
| Teknologiveien 5 AS | Real estate | 2019 |
| Teknologiveien Eiendom AS | Real estate | 2007 |
| Teknologiveien Eiendom Holding AS | | 2025 |
| Teni Holding AS | Real estate | 2012 |
| Tenner I Sentrum AS | Health & social care | 2005 |
| TGF Invest AS | Wholesale & retail | 2005 |
| The Arctic Train AS | Administrative & support | 2023 |
| The Mint AS | | 2023 |
| This Is Narvik AS | Arts & recreation | 2020 |
| Thorills Holding AS | Financial services | 2005 |
| Tinedeg Driftig AS | Health & social care | 2022 |
| TJ Telekom AS | Information & communication | 2005 |
| TL Invest Eiendom AS | Real estate | 2024 |
| TL Investment AS | Real estate | 2021 |
| TM Kran AS | Administrative & support | 2016 |
| TM Togdrift AS | Transport & logistics | 2019 |
| TNB Narvik AS | Wholesale & retail | 2014 |
| Toftaker Byggservice AS | Construction | 2010 |
| Tommy I Holding AS | Manufacturing | 2018 |
| Tony Holding AS | Real estate | 2020 |
| Tor's Taxi AS | Transport & logistics | 2021 |
| Torbjørn Eiendom AS | Real estate | 2017 |
| Tordis Invest AS | Real estate | 2005 |
| Tore Hunds GT 17 AS | Real estate | 2012 |
| Tore Hunds GT 45/47 AS | Real estate | 2024 |
| Torja Holding AS | | 2025 |
| Torvet AS | Real estate | 2014 |
| Torvet Legesenter AS | Health & social care | 2006 |
| Torvet Tannklinikk AS | Health & social care | 2025 |
| Totalt Renhold AS | Administrative & support | 2012 |
| Trafikkskola Start AS | Education | 2015 |
| Transactie B.V. | Transport & logistics | 2013 |
| Transportutvikling AS | Professional & scientific | 1995 |
| Trappa Sportsbar AS | Hospitality | 2022 |
| Trekanten Eiendom Narvik AS | Real estate | 2020 |
| Trixie Frisør AS | Other services | 2018 |
| Trol AS | Professional & scientific | 2020 |
| Trond's Invest AS | Financial services | 2005 |
| Trældal Forlag AS | Information & communication | 2026 |
| TS Eiendom I AS | Real estate | 2010 |
| TT Finans Og Forsikring AS | Financial services | 2019 |
| TT Group AS | | 2010 |
| TT Nordic Digital Health AS | Wholesale & retail | 2021 |
| TT Solutions AS | Professional & scientific | 2016 |
| TV 10 Ankenes AS | Real estate | 2026 |
| Tv-Tormod AS | Wholesale & retail | 2016 |
| Tømmermo Eiendom AS | Real estate | 2021 |
| Tømmermo Holding AS | Other services | 2023 |
| Tønna Narvik AS | Hospitality | 2025 |
| Uh Holding AS | | 2023 |
| Underwater Narvik AS | Arts & recreation | 2024 |
| Ung Mote AS | Wholesale & retail | 2000 |
| Urban UK Ltd Nuf | Wholesale & retail | 2010 |
| Urmaker Karoliussen AS | Wholesale & retail | 2000 |
| Ut Holding AS | | 2023 |
| Ut Trafikkskole AS | Education | 2026 |
| Utemedisin Holding AS | Education | 2013 |
| Utemedisin Kurs AS | Education | 2019 |
| Utsikten Garasjeandelslag SA | Administrative & support | 2021 |
| V-Tech Engineering Norway AS | Professional & scientific | 2022 |
| V.H.V Invest AS | | 2021 |
| Vaida Invest AS | | 2025 |
| Vannkanten AS | Real estate | 2010 |
| Varme & Bad Narvik AS | Construction | 2003 |
| VBN Eiendom AS | Real estate | 2025 |
| Vema. AS | Construction | 2007 |
| Vensped AS | Transport & logistics | 2020 |
| Veracyte, Inc | Health & social care | 2026 |
| Verkstedbakken 2 AS | Real estate | 2014 |
| Verkstedbakken 4 6 8 Narvik AS | Real estate | 2019 |
| Vero Bygg AS | Construction | 2011 |
| Vero Bygg Drift AS | Construction | 2019 |
| Vero Bygg Eiendom AS | Real estate | 2019 |
| VGR Holding AS | Construction | 2018 |
| Victoria Apartments AS | Hospitality | 2010 |
| Victoria Frisørsalong AS | Other services | 2011 |
| Victoria Havn AS | Real estate | 2002 |
| Victoria Helse AS | Real estate | 2012 |
| Victoria Helseklinikk AS | Real estate | 2025 |
| Victoriahavn Bygg AS | Construction | 2021 |
| Victoriahavn Invest AS | Real estate | 2021 |
| Villaservice Ans | | 1994 |
| Villemarange Holding AS | Manufacturing | 2017 |
| Virexa Intelligence Labs AS | Information & communication | 2026 |
| Virvar AS | Health & social care | 2023 |
| Virvel Narvik AS | Other services | 1999 |
| Visit Narvik AS | Administrative & support | 2012 |
| Viva Italia Narvik AS | Hospitality | 2006 |
| Vivision AS | Manufacturing | 2002 |
| VJS AS | | 2025 |
| Voit AS | Information & communication | 2013 |
| Volt Elektro Narvik AS | Construction | 2004 |
| Voqdr AS | Information & communication | 2022 |
| VRC Eiendom AS | Real estate | 2022 |
| VRC Holding AS | Construction | 2022 |
| VVS Data Design AS | Professional & scientific | 2015 |
| Weiss Nuf | Manufacturing | 2003 |
| Weldify AS | Professional & scientific | 2024 |
| Westwood Kunststofftechnik AG | Wholesale & retail | 2014 |