| Vestfold Anlegg AS | Arts & recreation | 2015 |
| Vestfold Bemanning AS | Administrative & support | 2014 |
| Vestfold Brannteknikk AS | Wholesale & retail | 1990 |
| Vestfold Brannteknikk Service AS | Manufacturing | 1992 |
| Vestfold Glass-Service AS | Construction | 2025 |
| Vestfold Isovent AS | Construction | 2013 |
| Vestfold IT AS | Information & communication | 2015 |
| Vestfold Maskinservice AS | Manufacturing | 2020 |
| Vestfold Miljøsanering AS | Professional & scientific | 2018 |
| Vestfold Rørfornying AS | Construction | 2024 |
| Vestfold Sandblåsing AS | Manufacturing | 2007 |
| Vestfold Skyvedørsgarderobe Og Glass AS | Manufacturing | 2020 |
| Vestfoldgruppen AS | Information & communication | 2014 |
| Vestporten I 4 AS | Real estate | 2024 |
| Vestre Fagerli AS | Real estate | 2012 |
| Vestskogen Eiendom AS | Real estate | 2015 |
| Vetjean Holding AS | Professional & scientific | 2024 |
| Vevja AS | Information & communication | 2026 |
| Viba AS | Real estate | 2014 |
| Vibeke Cecilie Løken AS | Education | 2023 |
| Viken Consult AS | Real estate | 1997 |
| Vikle Ut AS | Wholesale & retail | 2016 |
| Viksfjord Holding AS | Financial services | 2018 |
| Viksfjord Invest AS | Real estate | 2022 |
| Villa Utsikten Invest AS | | 2020 |
| Villa-Kulla Barnehage AS | Education | 2020 |
| Villabygg AS | Construction | 2011 |
| Vinjevegen 200 AS | Real estate | 2024 |
| Vinlandia Invest | Real estate | 2016 |
| Viola Blomstersenter AS | Wholesale & retail | 1991 |
| Virgio Individual Enterprice | Administrative & support | 2005 |
| Virvel AS | Arts & recreation | 1995 |
| Visjon Holding AS | Health & social care | 2020 |
| Viskerblad-Oximo Da | Wholesale & retail | 2018 |
| Vitalene AS | Wholesale & retail | 2024 |
| Voilàp Norway AS | Wholesale & retail | 2011 |
| Vokalist.No AS | Arts & recreation | 2023 |
| Volumtransport AS | Transport & logistics | 1993 |
| VRT Holding AS | Health & social care | 2013 |
| Vt-Eiendomsforvaltning AS | Real estate | 2019 |
| Vva Prosjektledelse AS | Professional & scientific | 2019 |
| Vågastyr AS | Financial services | 2015 |
| Værven AS | Real estate | 2010 |
| Vø Olavsgate AS | Wholesale & retail | 2026 |
| W&V Eiendom AS | Real estate | 2016 |
| W11G Holding AS | | 2023 |
| Wali AS | Transport & logistics | 2024 |
| Walin AS | | 2020 |
| Walle Egeli AS | Education | 2025 |
| Wallmakers Norge AS | Construction | 2021 |
| Warholm Solutions AS | Transport & logistics | 2025 |
| Waypoint Larvik AS | Transport & logistics | 2005 |
| WBG AS | | 2025 |
| Webcast.No AS | Information & communication | 2021 |
| Weidemanns Vei Eiendomsutvikling AS | Real estate | 2018 |
| Welmax AS | Manufacturing | 2017 |
| Welmax Pipe Welding AS | Manufacturing | 2018 |
| Werner Organization Holding AS | Health & social care | 2022 |
| Westerheim AS | Wholesale & retail | 1991 |
| Westerheim Holding AS | Wholesale & retail | 2005 |
| Westgaard Eiendom AS | Real estate | 1992 |
| Wickham Consulting AS | Manufacturing | 2018 |
| Winefix Norge AS | Wholesale & retail | 2025 |
| Wood Wood Da | Hospitality | 2010 |
| Woodtech AS | Manufacturing | 2024 |
| Woodtech Holding AS | Manufacturing | 2024 |
| Worldpower AS | Professional & scientific | 2020 |
| Worldpower Energy AS | Professional & scientific | 2020 |
| WR Restaurantdrift AS | Administrative & support | 2005 |
| Xlmann AS | Wholesale & retail | 2017 |
| Xo Sport AS | Wholesale & retail | 2019 |
| Xomedia AS | Professional & scientific | 2017 |
| Xpan Da | Professional & scientific | 2023 |
| Xtrem Event AS | Administrative & support | 2011 |
| Ydf Invest AS | | 2025 |
| Ydse Consulting AS | Professional & scientific | 2006 |
| Ymre AS | Professional & scientific | 2026 |
| Yt Service AS | Professional & scientific | 2019 |
| Yttersø Businesspark AS | Real estate | 2008 |
| Yttersø Businesspark Office AS | Real estate | 2012 |
| Yttersø Businesspark Utvikling AS | Real estate | 2019 |
| Yttersø Eiendom AS | Real estate | 2000 |
| Yttersøveien 12 AS | Real estate | 2003 |
| Yttersøveien Næringsbygg AS | Real estate | 2006 |
| Zoltan Holding AS | | 2025 |
| Zoonor AS | Professional & scientific | 2005 |
| Zpin AS | Information & communication | 2006 |
| Åsgårdstrand Eiendom AS | Real estate | 2005 |
| Åsgårdstrand Eiendom Holding AS | Real estate | 2025 |
| Åsveien 1 AS | Real estate | 2015 |
| Ødegaarden Brygge SA | Real estate | 2019 |
| Ødegaarden Havn AS | Real estate | 2013 |
| Øivind Andersen Fysioterapi AS | Health & social care | 2013 |
| Økonomitjenesten AS | Professional & scientific | 2005 |
| Ølle Group AS | Manufacturing | 2005 |
| Ørsnesveien 37 AS | Real estate | 1987 |
| Østberg Eiendom AS | Real estate | 2012 |
| Østby Bolig AS | Real estate | 2003 |
| Østbyveien 1 AS | Real estate | 2017 |
| Østlands-Posten AS | Information & communication | 1932 |