| Teija Mäkivuoti Oy | Health & social care | 2015 |
| Tekstiili- ja ompelupalvelu Aurinko Oy | Wholesale & retail | 2006 |
| Tela-Koski Oy | Wholesale & retail | 2016 |
| Teo-Palvelu Ky | Construction | 1995 |
| Teptech Hydrauliikka Oy | Manufacturing | 2021 |
| Terapia- ja koulutuspalvelut Nina Mömmö-Koskiniemi Ky | Health & social care | 2013 |
| Terveystila Oy | Health & social care | 1991 |
| Terästekniikka ISOLA Ky | Other services | 2012 |
| Teuvo Mällinen Ky | Transport & logistics | 1983 |
| Thai Onzon Oy | Hospitality | 2023 |
| The Goodly Oy | Manufacturing | 2021 |
| The Icebreaking Company Oy | Administrative & support | 1987 |
| TiMi Tec Oy | Construction | 2002 |
| Tian & Zhao Oy | Real estate | 2024 |
| Tico-Tico Ky | Information & communication | 1988 |
| Tietotalo Oy, Kemi | Real estate | 2000 |
| Tieysi Oy | Construction | 2005 |
| Tikanoja Group Oy | Real estate | 2017 |
| Tilausliikenne Tasataksa Oy | Transport & logistics | 2017 |
| Tili- ja konepalvelu Eero Kesti Oy | Construction | 1976 |
| Tilikontrolli Ky Aulikki Roivainen | Professional & scientific | 1987 |
| Tilipalvelu Hannu Kankaanpää Ky | Professional & scientific | 1982 |
| Tilipartnerit Oy | Administrative & support | 2025 |
| Tilitoimisto Jenni Turunen Ky | Professional & scientific | 2022 |
| Tilotek Oy | Manufacturing | 2017 |
| Timanttiporaus M. Luoma Ky | Construction | 2009 |
| Timo's Clothing Metropol Oy | Wholesale & retail | 1989 |
| Tornion Levy ja Kaluste Ky | | 1980 |
| Tornion Teräspaja Ky | Wholesale & retail | 1982 |
| Transport Riikonen Oy | Transport & logistics | 2016 |
| Tuner Oy | Construction | 2001 |
| Tyyneyden Tila Oy | Health & social care | 2025 |
| Tähko Oy | Real estate | 2021 |
| Uitto Kahvila Oy | Hospitality | 2026 |
| Urheilu Pyyny Oy | Wholesale & retail | 2006 |
| Urheilu-Arska Ky | Wholesale & retail | 1981 |
| Urho Lehosmaa Ky | Transport & logistics | 1995 |
| Vistex Ky | Other services | 2002 |
| VK Palvelut Oy | Financial services | 2018 |
| VON Constructor Oy | Real estate | 2020 |
| VPE Group Oy | Health & social care | 2016 |
| VTH-Muuraus Oy | Construction | 2023 |
| Valkea Cosmetics Oy | Other services | 2017 |
| Valta&Valta Oy | Transport & logistics | 2019 |
| Valttari Housing & Sales Oy | Hospitality | 2025 |
| Vanhatori Kemi Ky | Wholesale & retail | 1999 |
| Varapakkahuone Osakeyhtiö | Real estate | 2019 |
| Varmtec Oy | Wholesale & retail | 2021 |
| Varo Teollisuuspalvelut Oy | Manufacturing | 2011 |
| Vauhtilinja Oy | Manufacturing | 1982 |
| VeHa Group Oy | Wholesale & retail | 2023 |
| Veitsiluodon Työväentalo Oy | Real estate | 1946 |
| Veljekset Rönkä Oy | Manufacturing | 1980 |
| Veljekset Toivanen Oy | Construction | 1983 |
| Veslam Oy | Wholesale & retail | 1996 |
| Vesmar Oy | Hospitality | 2005 |
| Vestom Oy | Construction | 2013 |
| Vevuo Oy | Administrative & support | 2022 |
| Viikkotori Kemi Oy | Wholesale & retail | 2026 |
| Villa Kemi Oy | Hospitality | 2017 |
| Ville Kinnunen Ky | Construction | 2019 |
| Virtasalo Oy | Wholesale & retail | 2013 |
| Visuli Oy | Wholesale & retail | 2024 |
| Vuokratassu Oy | Wholesale & retail | 2020 |
| Vuokraukko Oy | Administrative & support | 2006 |
| Väyrysen Puutarha Ky | Agriculture & fishing | 1967 |
| Väre Naturals Ky | Manufacturing | 2017 |
| Wanha Roosa Oy | Wholesale & retail | 2010 |
| Wejami Oy | Education | 2019 |
| Worker Lappi Oy | Administrative & support | 2023 |
| Yavolt Oy | Information & communication | 2021 |
| Yrityspalvelu R Ala-Kokkila Oy | Professional & scientific | 2000 |
| ellinoora/merjaK Ky | Health & social care | 2010 |
| esm Yhtiöt Oy | Administrative & support | 2023 |
| ÄXÄ Oy | Manufacturing | 2014 |