| Transport Og Graving Invest Limited Nuf | | 2024 |
| Transport Og Graving Limited Nuf | Construction | 2024 |
| Transportkompetanse Haugesund AS | Education | 2007 |
| Transportservice-Vest AS | Transport & logistics | 2026 |
| Travel Portal AS | Administrative & support | 2024 |
| Tre Vann AS | Education | 2025 |
| Trefadder AS | Agriculture & fishing | 2019 |
| Trekongen AS | Real estate | 2022 |
| Trendhuset AS | Wholesale & retail | 1985 |
| Tretti to AS | Education | 2026 |
| Tri Pluss AS | Transport & logistics | 2012 |
| Tri Pluss Eiendom AS | Real estate | 2017 |
| Trico AS | Real estate | 1945 |
| Troi AS | Health & social care | 2006 |
| Trojos Pil AS | | 2025 |
| Trond Madsen Eiendom AS | Real estate | 1989 |
| Trong Trafikkskole AS | Education | 2018 |
| Trons Holding AS | | 2024 |
| Tropisk Import AS | Wholesale & retail | 2018 |
| Trygge Barnehager AS | Real estate | 2024 |
| Trygve Trafikkskole AS | Education | 2007 |
| Trænen AS | Administrative & support | 2023 |
| TS Industri Invest AS | Real estate | 1989 |
| TS Shipping Invest AS | Transport & logistics | 1995 |
| Tua Eiendom AS | Real estate | 2006 |
| Tully Invest AS | | 2025 |
| Tungland Eiendom AS | Construction | 1990 |
| Tupa AS | Administrative & support | 2023 |
| Turbo Klipp Haugesund AS | Other services | 2025 |
| Tveit Engineering AS | Professional & scientific | 2021 |
| Tveito Holding AS | Professional & scientific | 2021 |
| TVH AS | Information & communication | 2023 |
| TVH Digital AS | Information & communication | 2022 |
| Tviløypa Invest AS | | 2025 |
| Tyeb Eiendom AS | Real estate | 2017 |
| Tysvær Glass AS | Construction | 2018 |
| Tysvær Næringsbygg AS | Real estate | 2016 |
| Tøgersen Eiendom AS | Real estate | 1991 |
| Tøgersen Elektro AS | Construction | 1989 |
| Tøgersen Invest AS | Real estate | 1981 |
| Tønnesen Holding AS | Financial services | 2017 |
| Uab Atlantic Boats | Administrative & support | 2007 |
| Udland Eiendom BHG AS | Education | 2005 |
| Udland Fus Barnehage AS | Education | 2018 |
| Udland Omsorgsboliger AS | Real estate | 2006 |
| Ullvangtunet AS | Arts & recreation | 2025 |
| Ultralydjordmødrene AS | Health & social care | 2014 |
| Underhaugs Produkter Da | Manufacturing | 2003 |
| Uni-K AS | Health & social care | 2022 |
| Uni-K Holding AS | Health & social care | 1991 |
| Unlimited Film & Marine Resources AS | Information & communication | 1997 |
| Ur Design Da | Professional & scientific | 1999 |
| Uradalen Invest AS | Information & communication | 2023 |
| Urbanhus Eiendom AS | Real estate | 2014 |
| Urbanhus Holding AS | Real estate | 2021 |
| Urbanhus Kjededrift AS | Real estate | 2016 |
| Urbanhus Management AS | Real estate | 2021 |
| Urbanplan AS | Professional & scientific | 2021 |
| Uro Sør Nygård AS | Health & social care | 2018 |
| Urrang Holdning AS | Real estate | 2012 |
| Urter Invest AS | Financial services | 2006 |
| Usv AS | Transport & logistics | 2021 |
| Usv Crewing AS | Transport & logistics | 2024 |
| Usv Group AS | Transport & logistics | 2024 |
| Uus AS | | 2026 |
| Uus Drift AS | Transport & logistics | 2026 |
| Uvikstrand AS | Real estate | 2004 |
| Uvt AS | Construction | 2018 |
| V Trafikkskole AS | Education | 2022 |
| Vaag & Stokka Properties AS | Real estate | 2025 |
| Vaage & Korsnes Invest AS | Real estate | 2021 |
| Vabakkjen 4B AS | Real estate | 2019 |
| Vaktmesteren. AS | Administrative & support | 2022 |
| Valentrax AS | | 2025 |
| Valhalla Barber Shop AS | Other services | 2017 |
| Valhalltunet AS | Households | 2005 |
| Valhammer Consulting AS | Professional & scientific | 2024 |
| Valhammer Holding AS | Professional & scientific | 2024 |
| Van to Go AS | Administrative & support | 2025 |
| Vangen Pling Plong AS | Hospitality | 2022 |
| Vangenfamilien AS | Arts & recreation | 2017 |
| Vanias AS | Hospitality | 2020 |
| Vann Og Sjøtjenester AS | Transport & logistics | 2023 |
| Vant AS | Financial services | 2001 |
| Varde Advokater AS | Professional & scientific | 2021 |
| Vardhallen AS | Arts & recreation | 2005 |
| Varte AS | Construction | 2024 |
| Vassbrekke AS | Wholesale & retail | 2025 |
| Vassbrekke Fus Kulturbarnehage AS | Education | 2018 |
| Vatnem Revisjon AS | Professional & scientific | 2005 |
| Vawraps AS | Other services | 2021 |
| Vbra AS | Professional & scientific | 2019 |
| Veilandjutani AS | | 2025 |
| Veim Holding AS | Real estate | 2021 |
| Vekse AS | Real estate | 2022 |
| Veland Capital AS | | 2026 |
| Velbygd AS | Professional & scientific | 1994 |
| Velbygd Boligutleie AS | Real estate | 2018 |
| Velbygd Eiendomsinvest AS | Construction | 2018 |
| Velbygd Prosjekt AS | Construction | 2013 |