| Pali Holding AS | Real estate | 2005 |
| Pce Holding AS | | 2019 |
| PCH Bygg AS | Construction | 2022 |
| Per Løken Holding AS | | 2022 |
| Petros AS | Real estate | 2007 |
| Pettersplassen Snekkeri AS | Manufacturing | 1995 |
| Piccolo AS | Wholesale & retail | 2025 |
| Praksis AS | Professional & scientific | 2005 |
| Prishagen AS | Professional & scientific | 2024 |
| Propan AS | | 1945 |
| Pure Skin Medical AS | Health & social care | 2015 |
| Racedays Timing AS | Arts & recreation | 2021 |
| Rehabfix AS | Construction | 2022 |
| Reinsnos AS | Health & social care | 1989 |
| Rett Eiendom AS | Real estate | 2022 |
| Revisorhuset BC AS | | 2026 |
| Ring Auto Eiendom AS | Real estate | 2008 |
| Ring Bygg 1 AS | Wholesale & retail | 2023 |
| Ringerike Landskap AS | Construction | 2020 |
| Ringerike Redning Og Assistansesentral AS | Transport & logistics | 2001 |
| Ringeriksfrukt AS | Real estate | 2006 |
| Ringeriksnett AS | Wholesale & retail | 1996 |
| Ringnes Utvikling AS | | 2023 |
| Rune Refvik Consulting AS | Professional & scientific | 2026 |
| Ruud Sertifisering AS | Professional & scientific | 2008 |
| Ryborg AS | Wholesale & retail | 2018 |
| Røyse Båthavn SA | Arts & recreation | 2019 |
| Røyse Eiendom AS | Real estate | 2008 |
| Røyse Investering AS | | 2026 |
| Røyseveien 189 AS | Real estate | 2023 |
| Saga AS | Real estate | 2021 |
| Salt & Pepper Garntangen AS | Hospitality | 2023 |
| Sano Invest AS | | 2019 |
| Schjongstangen AS | Construction | 2025 |
| Sentrumstannlegene Hønefoss AS | Health & social care | 2019 |
| Sfo-Idrettsakademi AS | Education | 2012 |
| Siljø Holding AS | Real estate | 2005 |
| Skarpskodd AS | | 2005 |
| Skau AS | | 2020 |
| Slottsberget Holding AS | | 2025 |
| Slottsberget Utvikling AS | Real estate | 2025 |
| Smart Parkering Norge AS | Transport & logistics | 2018 |
| Smerud Eiendom AS | Real estate | 2024 |
| Smerud Holdings AS | | 2016 |
| Smerud L16 AS | Real estate | 2025 |
| Solitaire AS | Professional & scientific | 2019 |
| Solstad Bo- Og Omsorgssenter AS | Health & social care | 2012 |
| Soltvedt Holding AS | Real estate | 2005 |
| Sonnyleon AS | Real estate | 2005 |
| Speedbird AS | Wholesale & retail | 2020 |
| Stadum Holding AS | Financial services | 2011 |
| Start Montering AS | Construction | 2023 |
| Steffen Strømmen Holding AS | Real estate | 2007 |
| Stonehill Holding AS | | 2021 |
| Studio Vestbraaten AS | Professional & scientific | 2017 |
| Søhol Invest AS | | 2021 |
| Sønsterud Holding AS | Financial services | 2017 |
| T12 Eiendom AS | Real estate | 2026 |
| Takst & Vindu Entreprenøren AS | Construction | 2020 |
| Tannlege Ragnhild a. Dahl AS | Health & social care | 2025 |
| TBG Holding AS | Wholesale & retail | 2005 |
| Tenaasen AS | Real estate | 2006 |
| Terje Hove AS | Construction | 2012 |
| TF Varmeservice AS | Construction | 2018 |
| Thomas Trafikkskole AS | Education | 2022 |
| Torp Maskindrift AS | Construction | 2018 |
| Tragethon Forvaltning AS | Financial services | 2015 |
| Trinco AS | Professional & scientific | 2025 |
| TS Consulting Og Rådgiving AS | Professional & scientific | 2020 |
| Ture Apps AS | Information & communication | 2020 |
| Tømmermester Kåre Engebretsen Ans | Construction | 1990 |
| Ullern Bolig & Eiendom AS | Real estate | 2022 |
| Unieiendom AS | Wholesale & retail | 2003 |
| Utendørs Da | Administrative & support | 2008 |
| Uvala AS | Professional & scientific | 2023 |
| Vakaheim AS | Education | 2025 |
| Varexpressen AS | Transport & logistics | 2006 |
| Veilaget Ødegårdsveien SA | Real estate | 2023 |
| Velsand AS | Financial services | 2017 |
| Verdemar AS | Professional & scientific | 2025 |
| Vewi Eiendom AS | Real estate | 2021 |
| Vidde AS | Health & social care | 2021 |
| Vik Eiendomsutvikling AS | Real estate | 1992 |
| Vik Elektriske AS | Construction | 1994 |
| Vik Miljøvarme AS | Energy | 2012 |
| Vik Næringspark AS | Real estate | 2026 |
| Vik Pizza AS | Hospitality | 2017 |
| Vik Restaurant & Bar AS | Hospitality | 2019 |
| Vik Skysstasjon AS | Hospitality | 1995 |
| Viking Maskin AS | Construction | 2017 |
| Vikstoppen AS | Real estate | 2026 |
| Viktil Invest AS | Information & communication | 2012 |
| World Cryo Services AS | Wholesale & retail | 2018 |
| Yes Perle AS | | 2025 |
| Zabai AS | Information & communication | 2017 |
| Østheim Invest AS | Real estate | 2005 |
| Øvre Onsaker Holding AS | | 2019 |