| Tero Alenius Oy | Professional & scientific | 2022 |
| ThaiWokKitchen Oy | Hospitality | 2026 |
| The Moment Of Ivalo Oy | Hospitality | 2019 |
| Tidypro Oy | Administrative & support | 2023 |
| Tilikammi ky | Professional & scientific | 1998 |
| Tilitoimi Karjalainen avoin yhtiö | Professional & scientific | 2021 |
| Tolosentien kuituosuuskunta | Information & communication | 2016 |
| Trinpama Oy | Real estate | 2022 |
| Troll Finland Oy | Wholesale & retail | 2025 |
| True Arctic Saariselkä Lapland Oy | Arts & recreation | 2017 |
| Tsurnu Golden Place Oy | Real estate | 2020 |
| Tundra Consulting Oy | Professional & scientific | 2015 |
| Tundra Rakennus Oy | Construction | 2021 |
| Tunturin Sähköpalvelu Oy | Construction | 2017 |
| Tunturiverkko Oy | Energy | 2009 |
| Tuovilan Gummi Oy | Other services | 1989 |
| Turkistarha Timo Wiik Ky | Agriculture & fishing | 1979 |
| Tyrvään Sairaanhoitopalvelu Oy | Health & social care | 2017 |
| Työpalvelu Pesonen Oy | Wholesale & retail | 2022 |
| Törmäsen kuituosuuskunta | Information & communication | 2018 |
| UTAC Automotive Testing Finland Oy | Professional & scientific | 1992 |
| Ukonjärventien kuituosuuskunta | Construction | 2017 |
| Ultimate Rakennus Oy | Construction | 2011 |
| Unilumi Oy | Information & communication | 1996 |
| Unique Design Finland Oy | Wholesale & retail | 2004 |
| Usagi Oy | Financial services | 2020 |
| VMH Feel Good Oy | Administrative & support | 2009 |
| Vaaran Hirsitalot Oy | Construction | 2006 |
| Vauhtivirta 2.0 Oy | Construction | 2026 |
| Verhoilu- ja Puutyö Kukkala Oy | Manufacturing | 1996 |
| Veskoniemen Maanrakennus Oy | Construction | 2021 |
| Viihde- ja ohjelmapalvelu Lapin Lumo oy | Professional & scientific | 2001 |
| Villa Bearmound Oy | Hospitality | 2024 |
| Virea Oy | Construction | 2003 |
| Vuomaselän Poroteurastamo Oy | Manufacturing | 2021 |
| Värikota Oy | Real estate | 2024 |
| Xwander Oy | Administrative & support | 2024 |
| Ylitepsa Oy | Wholesale & retail | 2019 |
| Ylä-Lapin Kodit Oy | Real estate | 2021 |
| Ylä-Lapin Lvi Oy | Construction | 1997 |
| Ylä-Lapin Pelti Oy | Construction | 2004 |
| Ylä-Lapin kala kommandiittiyhtiö | Manufacturing | 2005 |
| Ylä-Lapin lasi ja kaluste Oy | Construction | 2012 |
| Ylävaulo Oy | Hospitality | 1994 |
| arctic outdoor experience Inari oy | Professional & scientific | 2014 |
| pubi.fi Ivalo Oy | Hospitality | 2021 |