| Quammegården AS | Real estate | 2022 |
| Raading AS | Professional & scientific | 2024 |
| Raila AS | Construction | 2025 |
| Randen Holding AS | | 2020 |
| Raufossvegen 226 AS | Real estate | 2019 |
| Raufossvegen 228 AS | Real estate | 1989 |
| Raufossvegen Ans | Real estate | 1996 |
| Raufossveien 34 AS | Real estate | 2004 |
| RBM AS | | 2010 |
| Rbvk Holding AS | | 1987 |
| Reiner Nordsveen AS | Real estate | 2005 |
| Restorfx Bilsenter AS | Wholesale & retail | 2007 |
| Rro AS | Professional & scientific | 2017 |
| Rørlegger'N K AS | Construction | 2015 |
| Sagstuen AS | Manufacturing | 2000 |
| Sandhaug AS | Wholesale & retail | 1996 |
| Sandhaug Invest AS | Real estate | 2015 |
| Sandhaug Utleie AS | Administrative & support | 2017 |
| Sandvik Ved AS | Agriculture & fishing | 2023 |
| Sateco AS | | 2023 |
| Scandic AS | Real estate | 2020 |
| Scandic Markiser AS | Manufacturing | 1995 |
| Scandic Service & Montasje AS | Construction | 2012 |
| Scandic Servicetjenester AS | Construction | 2021 |
| Sentrum Software Da | Information & communication | 2003 |
| Sf--Invest AS | | 2014 |
| Sk-Drift Eiendomsutleie Og Kunstomsetning Da | Real estate | 2002 |
| Skandinavisk Overflatekjemi AS | Wholesale & retail | 1986 |
| Skeidar Gjøvik AS | Wholesale & retail | 1997 |
| Skumsrud Gård Da | Agriculture & fishing | 2020 |
| Skyland Gjøvik AS | Arts & recreation | 2021 |
| Slåtsveen Eiendom AS | Real estate | 2006 |
| Slåtsveen Elektro AS | Wholesale & retail | 1984 |
| SM Oslo Vest AS | Wholesale & retail | 2016 |
| Smakfullt Eiendom AS | Real estate | 2010 |
| Smakfullt Storkjøkken AS | Wholesale & retail | 2010 |
| Sourwoodco AS | Wholesale & retail | 2026 |
| Spirits From Norway Ans | Arts & recreation | 2014 |
| SR Infotec AS | Information & communication | 2023 |
| SSN Eiendom AS | Real estate | 2016 |
| Starumtunet AS | Real estate | 2014 |
| Storgata 29 Eiendom AS | Real estate | 2015 |
| Strai Kjøkken Gjøvik AS | Wholesale & retail | 2008 |
| Studentbolig AS | Real estate | 2021 |
| Stæntrølle AS | Professional & scientific | 2019 |
| Sulland Amsrudvegen AS | Other services | 1990 |
| Svengjerde AS | Administrative & support | 2025 |
| Sveum Capital AS | | 2026 |
| Takstmann Vegar Lundhaug AS | Real estate | 2017 |
| Terje Hasli Holding AS | Wholesale & retail | 2011 |
| Thermoplassen Eiendom AS | Construction | 2005 |
| Thomas Framnes Holding AS | Real estate | 2016 |
| Tingvold Maskinkraft AS | Agriculture & fishing | 2026 |
| Tn-Eiendom AS | Real estate | 2012 |
| Tn-Holding AS | Wholesale & retail | 2012 |
| Topco Consulting AS | Professional & scientific | 2024 |
| Toten Håndverkstjenester AS | Manufacturing | 2014 |
| Toyota Sulland Gjøvik AS | Wholesale & retail | 1990 |
| Tradisjonshåndverk Weidner AS | Construction | 2017 |
| Trogstad Byggservice AS | Construction | 2017 |
| Tøftum Innredning AS | Construction | 2003 |
| United Invest Eiendom AS | Real estate | 2006 |
| United Trading AS | Professional & scientific | 2015 |
| Urbanmur AS | Construction | 2026 |
| Utleie-Tjenester AS | Construction | 2021 |
| Valor Development AS | Real estate | 2021 |
| Vardal Bygg AS | Construction | 2019 |
| Vazelina Bilopphuggeri AS | Wholesale & retail | 1986 |
| Verano Solskjerming AS | Wholesale & retail | 2012 |
| Verona Holding AS | Other services | 2005 |
| Vestoppland Karosseri AS | Other services | 2000 |
| Vitaliv AS | Wholesale & retail | 2013 |
| Wiggos Mat AS | Wholesale & retail | 1989 |
| Wiik Holdingselskab AS | Other services | 2024 |
| Østraadt Øst AS | Wholesale & retail | 1991 |
| Øverby Holding AS | Other services | 2020 |
| Øverli Kolonial AS | Wholesale & retail | 2025 |