| Tøe Invest AS | Financial services | 1995 |
| Tømrermester Stabu AS | Construction | 2025 |
| Tømteveien 4 AS | Real estate | 2025 |
| Ueland Investment AS | Real estate | 1995 |
| Ultraboost AS | | 2021 |
| Ulveng AS | Professional & scientific | 2013 |
| Under My Umbrella AS | Administrative & support | 2013 |
| Unexpected AS | Information & communication | 2024 |
| Universal Power Nordic Nuf | Wholesale & retail | 2021 |
| Untag AS | | 2025 |
| Uppheim AS | Professional & scientific | 2018 |
| Ustun AS | Wholesale & retail | 2026 |
| Utilis Properties AS | Real estate | 2012 |
| Utleiemegleren Follo AS | Real estate | 2024 |
| Utvikling AS | Real estate | 2013 |
| V3 Invest AS | Real estate | 2008 |
| Vading AS | Manufacturing | 2023 |
| Vaksinasjonskontoret for Follo Da | Health & social care | 1993 |
| Vangsal Invest AS | Construction | 2005 |
| Vardene AS | Financial services | 2005 |
| Varme Og Kulde AS | Construction | 2021 |
| Varmex AS | Construction | 2025 |
| Vavipro Da | Wholesale & retail | 2020 |
| VBB Holding AS | Real estate | 2020 |
| Vebjørns AS | | 2025 |
| Veiledning Og Økonomitjenester Da | Professional & scientific | 2013 |
| Vektergården Ås AS | Real estate | 2002 |
| Venligvang AS | Real estate | 2020 |
| Venturenet AS | Professional & scientific | 2020 |
| Verdify AS | Information & communication | 2026 |
| Verdihuset AS | Wholesale & retail | 2011 |
| Vern & Tilstand AS | Construction | 2024 |
| Very Good AS | Hospitality | 2024 |
| Vestveien 24 AS | Real estate | 2018 |
| Vestveien Legesenter Da | Health & social care | 2001 |
| Vexta AS | Wholesale & retail | 1986 |
| Vexta Iot AS | Professional & scientific | 2018 |
| Viddinews AS | Information & communication | 2005 |
| Videto AS | Professional & scientific | 2025 |
| Vik Utvikling Enebakk AS | Real estate | 2019 |
| Viken Bær AS | Agriculture & fishing | 2022 |
| Viken Datacenter AS | Information & communication | 2021 |
| Viken Handel AS | Wholesale & retail | 2025 |
| Viken Revisjon AS | Professional & scientific | 2020 |
| Viken Trefiberisolering AS | Construction | 2023 |
| Viken Vintage AS | Wholesale & retail | 2024 |
| Vikingene Invest AS | Professional & scientific | 2014 |
| Villenga Fus Barnehage AS | Education | 2005 |
| Vingulmork Eiendom AS | Real estate | 2025 |
| Vinkel Bygg Og Rør AS | Construction | 2023 |
| Vinkl AS | Real estate | 2018 |
| Vinkl Bolig AS | Real estate | 2015 |
| Vinklgården AS | Real estate | 2007 |
| Viral Success AS | Professional & scientific | 2024 |
| Virta Estate AS | Real estate | 2021 |
| Virta Invest AS | Real estate | 2019 |
| Vito Design AS | Wholesale & retail | 2023 |
| Vuc AS | Education | 2014 |
| VV Global Capital AS | | 2026 |
| VVS Entreprenader Projekt I Halmstad AB | Construction | 1998 |
| Våge Eiendom AS | Real estate | 2017 |
| Våtrom AS | Professional & scientific | 2007 |
| Waldemarhøyveien Eiendom AS | Real estate | 1989 |
| Walstad & Schulz Renhold Da | Administrative & support | 2002 |
| Wangen Consult AS | Information & communication | 2008 |
| Weg AS | Construction | 2021 |
| Wennersgaard AS | Transport & logistics | 1988 |
| Westgaarden AS | Real estate | 1989 |
| Wheelcut AS | Other services | 2024 |
| Whisky Consulting AS | Education | 1992 |
| Whiteaway.No AS | Wholesale & retail | 2012 |
| Willhen AS | Real estate | 2025 |
| Winner AS | Information & communication | 2023 |
| Winter AS | Information & communication | 2023 |
| Wire Holding AS | | 2023 |
| Wiseth AS | Construction | 2013 |
| Wislan Rør AS | Construction | 2012 |
| Würth Elektronik Norway AS | Wholesale & retail | 2024 |
| Xa Holding AS | Health & social care | 2020 |
| Xconsu AS | Health & social care | 2024 |
| Xflyt AS | Information & communication | 2025 |
| Xmas Circus AS | Wholesale & retail | 2021 |
| Xpanorama AS | Real estate | 2016 |
| Xponent AS | Real estate | 2015 |
| XT Follo AS | Arts & recreation | 2017 |
| Yaga AS | Wholesale & retail | 2012 |
| Yamaha Motor Europe N.V., Filial Norge Nuf | Wholesale & retail | 2014 |
| Ynola Holding AS | | 2020 |
| Ystmark Holding AS | | 2024 |
| Z Inside AS | Professional & scientific | 2008 |
| Zavanna AS | Wholesale & retail | 1997 |
| Zimtrade AS | Wholesale & retail | 2003 |
| Zita Holding AS | | 2022 |
| Årn Holding AS | | 2017 |
| Åsenveien 1 AS | Wholesale & retail | 2016 |
| Åsenveien 26 AS | Real estate | 2022 |
| Åsveien 11 AS | Real estate | 2014 |
| Åsveien 113 AS | Real estate | 2023 |
| Ødegaard Lyd & Lys AS | Arts & recreation | 2025 |
| Øie & Larsen AS | Wholesale & retail | 2021 |