| Tico Eiendom AS | Real estate | 2011 |
| Tidalx Norway AS | Professional & scientific | 2024 |
| Tide AS | Transport & logistics | 1880 |
| Tide Buss AS | Transport & logistics | 1978 |
| Tide Eiendom Hordaland AS | Real estate | 2006 |
| Tide Eiendom Hordaland Newco AS | Real estate | 2024 |
| Tide Eiendom Utvikling AS | Real estate | 2008 |
| Tide Eiendom Voss AS | Real estate | 2006 |
| Tide Horisont AS | Transport & logistics | 1999 |
| Tide Verksted AS | Other services | 2003 |
| Tidemand Invest AS | Real estate | 2019 |
| Tidforyoga AS | Arts & recreation | 2021 |
| Tidiprovence Ans | Real estate | 2002 |
| Tidligfasefond Vestland 1 AS | Financial services | 2024 |
| Tidligfasekapital Vestland Invest AS | | 2025 |
| Tidligfasekapital Vestland Management AS | Financial services | 2024 |
| Tidsbanken AS | Information & communication | 2013 |
| Tidstyven AS | Information & communication | 2015 |
| Tien Holding AS | | 2025 |
| Tigerab AS | Wholesale & retail | 2025 |
| Tigerbergen AS | Wholesale & retail | 2019 |
| Tightloop AS | Information & communication | 2020 |
| Tigo AS | Real estate | 2009 |
| Tiki AS | Financial services | 2018 |
| Til Henne AS | Wholesale & retail | 1999 |
| Tilery AS | Information & communication | 2026 |
| Tillung Holding AS | Real estate | 2025 |
| TIME2STAFF AS | Information & communication | 2020 |
| TIME2STAFF Crew AS | Administrative & support | 2023 |
| Timeout Travel AS | Administrative & support | 2004 |
| Timrehaugveien 2 AS | Real estate | 2005 |
| Tindeborg AS | | 2020 |
| Tinebir AS | | 2020 |
| Ting AS | Wholesale & retail | 2019 |
| Ting Bergen AS | Wholesale & retail | 2022 |
| Tini AS | Real estate | 1999 |
| Tinjo Holding AS | | 2020 |
| Tippetue Arkitekter AS | Professional & scientific | 1998 |
| Tipuana 1 AS | Real estate | 2014 |
| Tis Holding AS | Financial services | 2005 |
| Tish Holding AS | | 2025 |
| Titlestad AS | Real estate | 2025 |
| Titlestad Drift AS | Professional & scientific | 2026 |
| Titlestad Eiendom AS | Real estate | 2022 |
| Titlestadveien 230 AS | Real estate | 2011 |
| TJ Eiendom Holding AS | Real estate | 2025 |
| TJ Golf AS | Administrative & support | 2021 |
| Tjelmeland Holding AS | Construction | 2020 |
| Tjenestemannsboliglaget for Hordaland AS | Households | 1952 |
| TJM Holding AS | Wholesale & retail | 2010 |
| Tjommis AS | Hospitality | 2025 |
| Tjomslig Holding AS | | 2024 |
| Tjora Hjarte- Og Lungespesialist AS | Health & social care | 2022 |
| TK Forvaltning AS | Real estate | 2005 |
| Tka Capital AS | | 2025 |
| Tlo Invest AS | | 2021 |
| TLS Invest AS | | 2005 |
| TM Forvaltning AS | Professional & scientific | 1992 |
| TM Utvikling AS | Real estate | 2018 |
| TMH Invest AS | | 2020 |
| TMT Bergen AS | Hospitality | 2026 |
| TNJ Holding AS | | 2026 |
| TNT Capital AS | | 2026 |
| TNW AS | Arts & recreation | 2018 |
| To B AS | Financial services | 2013 |
| To-Ca AS | Health & social care | 2022 |
| Tobakk Sørensen AS | Wholesale & retail | 2016 |
| Tobar AS | Other services | 2009 |
| Tobii Dynavox AS | Wholesale & retail | 1984 |
| Toffer AS | Financial services | 1996 |
| Tofo.Foto AS | | 2025 |
| Toft Investering AS | Real estate | 2024 |
| Tofu AS | Hospitality | 2002 |
| Togj Invest AS | | 2021 |
| Togstasjonen Sushi AS | Hospitality | 2022 |
| Toja Holdning AS | Wholesale & retail | 2005 |
| Tojoto AS | Real estate | 2014 |
| Tok Holding AS | Professional & scientific | 2023 |
| Tokheim Bygg AS | Construction | 2024 |
| Tolk AS | Professional & scientific | 2023 |
| Tollbodallmenningen 2 AS | Real estate | 2021 |
| Tolles Invest AS | | 2021 |
| Tom Jørgensen Holding AS | Real estate | 2020 |
| Tom Lingjerde Invest AS | Financial services | 2006 |
| Toma Prosjektutvikling AS | Real estate | 2004 |
| Tomabell AS | Professional & scientific | 2005 |
| Tomasin Invest AS | | 2026 |
| Tomassen Consulting AS | Information & communication | 2001 |
| Tonheim Revisjon AS | Professional & scientific | 2013 |
| Toni Eiendomsutvikling AS | Real estate | 1991 |
| Tonje Foss Holding AS | | 2021 |
| Tonje Invest AS | | 2021 |
| Tonjo Ltd | Transport & logistics | 2010 |
| Tonor Holding AS | Real estate | 2005 |
| Toothferri AS | Health & social care | 2017 |
| Top Hair Frisør Da | Other services | 2003 |
| Topp AS | Financial services | 2015 |
| Toppe Psykologtjenester AS | Health & social care | 2025 |
| Toppemyr AS | Real estate | 2013 |
| Tops Frisørsalong AS | Other services | 1984 |