| Tinnheia Utvikling AS | Real estate | 2020 |
| Tjønnvoll Utleiebygg Ans | Real estate | 1988 |
| TMK Service AS | Construction | 2019 |
| Tom André Invest AS | | 2022 |
| Tommy's Bygg AS | Construction | 2017 |
| Tor Skomedal AS | Financial services | 2005 |
| Torbjørn Gautestad AS | Construction | 1998 |
| Torkild Eivindson Consulting AS | Professional & scientific | 2022 |
| Torsbyvegen 5 AS | Wholesale & retail | 2006 |
| Torstein Reber AS | Construction | 2021 |
| Tostrem AS | Professional & scientific | 2026 |
| TR Motor AS | Wholesale & retail | 2017 |
| Transportør AS | Transport & logistics | 2025 |
| Tratec Norcon AS | Manufacturing | 1981 |
| Trekanten Bygg AS | Real estate | 1994 |
| Trekanten Mat AS | Wholesale & retail | 2016 |
| Treldal-Moy Holding AS | Financial services | 2013 |
| Trim-Eiendom AS | Real estate | 2003 |
| Trimeriet Vennesla AS | Arts & recreation | 2016 |
| Trio Eiendom AS | Real estate | 1994 |
| Trygg Maskin AS | Professional & scientific | 2020 |
| TT Malerservice AS | Wholesale & retail | 2016 |
| TTW Invest AS | | 2026 |
| Twinco Eiendom AS | Real estate | 1999 |
| Tønnesen Invest AS | | 2016 |
| Ulstein Blikkenslagerverksted AS | Construction | 1996 |
| Ulstein-Bygg AS | Real estate | 2011 |
| Ulstein. AS | Construction | 2012 |
| Vef Eiendom AS | Real estate | 2017 |
| Vef Entreprenør AS | Construction | 1992 |
| Vef Holding AS | Construction | 2023 |
| Vef Invest AS | | 2026 |
| Vef Utvikling AS | Real estate | 1999 |
| Veka Holding AS | Professional & scientific | 2024 |
| Venndekk AS | Other services | 2020 |
| Vennesla Bilteknikk AS | Other services | 1997 |
| Vennesla Blikkenslagerverksted AS | Construction | 1987 |
| Vennesla Bokhandel AS | Wholesale & retail | 1986 |
| Vennesla Catering AS | Hospitality | 2024 |
| Vennesla Drosjesentral AS | Real estate | 1993 |
| Vennesla Eiendom AS | Real estate | 2026 |
| Vennesla Eiendomsutvikling AS | Real estate | 2012 |
| Vennesla Elektromarked AS | Wholesale & retail | 1988 |
| Vennesla Foto AS | Real estate | 1993 |
| Vennesla Graveservice Ans | Construction | 1996 |
| Vennesla Holding AS | Real estate | 2005 |
| Vennesla Legeeiendom AS | Real estate | 2022 |
| Vennesla Legesenter AS | Health & social care | 2014 |
| Vennesla Legesenter Eiendom AS | Real estate | 2002 |
| Vennesla Maskin AS | Wholesale & retail | 2024 |
| Vennesla Negle Design Ans | Other services | 1997 |
| Vennesla Netthandel AS | Wholesale & retail | 2019 |
| Vennesla Pizza AS | Hospitality | 2007 |
| Vennesla Porten AS | Real estate | 2012 |
| Vennesla Tannhelsesenter AS | Health & social care | 1998 |
| Vennesla Tidende AS | Manufacturing | 2001 |
| Vennesla Trevarefabrikk Eiendom AS | Administrative & support | 1975 |
| Vennesla Utleie AS | Real estate | 2015 |
| Vennesla Varmeforum AS | Wholesale & retail | 2026 |
| Vennesla Varmesenter AS | | 2024 |
| Vennesland Service AS | Manufacturing | 2023 |
| Verado Eiendom AS | Real estate | 2025 |
| Verado Invest AS | | 2025 |
| VHD AS | Professional & scientific | 2021 |
| Vidar Birkedal Invest AS | Financial services | 2009 |
| Videogården AS | Wholesale & retail | 1991 |
| Vikeland Eiendom AS | Real estate | 1968 |
| Vikeland Næringsbygg 1 AS | Real estate | 2007 |
| Viksnes Maskin AS | Administrative & support | 2026 |
| Villmarksglimt AS | Wholesale & retail | 2015 |
| Vinbekken AS | Real estate | 2015 |
| Vinum Merum AS | Wholesale & retail | 2017 |
| Vipas AS | Administrative & support | 2017 |
| Vivians Hudpleie AS | Wholesale & retail | 2014 |
| Vollelia AS | Real estate | 2019 |
| Voredalen Drift & Invest AS | Real estate | 2024 |
| Voredalen Holding AS | Real estate | 2014 |
| Vths Eiendom AS | Real estate | 2018 |
| Vågsbygd Utvikling AS | Real estate | 2018 |
| Vågsbygdveien 106 AS | Real estate | 2015 |
| Waage Invest AS | Financial services | 2018 |
| Welo AS | Wholesale & retail | 2021 |
| Westmatic AS | Wholesale & retail | 1997 |
| Wima Event AS | Manufacturing | 2018 |
| Wollan Holding AS | | 2019 |
| Y Development AS | Information & communication | 2021 |
| Ytrestøyl Fotografi & Tech AS | Professional & scientific | 2025 |
| Åkerbakken AS | Real estate | 2023 |
| Ålefjær Brygge AS | Real estate | 2004 |
| Økonomiglimt AS | Professional & scientific | 2013 |
| Øvland Holding AS | Real estate | 2015 |
| Øvland Maskin AS | Construction | 2023 |
| Øvrebø Eiendomsselskap AS | Real estate | 2010 |