| Q8IMPORT AS | Wholesale & retail | 2016 |
| R&L Sales and Services AS | Wholesale & retail | 2015 |
| Rail Supply AS | Wholesale & retail | 2019 |
| Rangnes Bolig AS | Construction | 2015 |
| Rapitator AS | | 2025 |
| Ravnor AS | Construction | 2025 |
| Renovex AS | Construction | 2016 |
| Reolteknikk AS | Wholesale & retail | 2005 |
| RHL Holding AS | | 2022 |
| Riis-Smaadal Rørleggerbedrift SA | Construction | 2022 |
| Romerike Boligservice AS | Professional & scientific | 2024 |
| Romerike Catering Ans | Hospitality | 1987 |
| Romerike Manuellterapi AS | Health & social care | 2021 |
| RT Eiendom 1 AS | Real estate | 2022 |
| Rulle AS | Administrative & support | 2023 |
| Rustfri Produksjonsteknikk AS | Manufacturing | 2022 |
| Ryding Maskin AS | Construction | 2023 |
| S&M Eiendom AS | Real estate | 2024 |
| Safewaytransport AS | Transport & logistics | 2023 |
| Saga Aviation AS | Transport & logistics | 2019 |
| Saigon Mat & Sushi AS | Hospitality | 2014 |
| Sakki Holdings AS | | 2019 |
| Salzgitter Mannesmann (Scandinavia) AB | Wholesale & retail | 2005 |
| Sanavia AS | Education | 2015 |
| Satya Holdings AS | Wholesale & retail | 2021 |
| Scandic Cloud Solutions AS | Information & communication | 2017 |
| Scandic Desi AS | Wholesale & retail | 2021 |
| Scandic Desi Designs AS | Wholesale & retail | 2022 |
| Scandinavian Avionics Norway Division Nuf | Manufacturing | 1995 |
| Sekonor AS | Construction | 2014 |
| Senepsrud AS | Professional & scientific | 2005 |
| Sergas Storkjøkken AS | Wholesale & retail | 2021 |
| SH Multiservice AS | Wholesale & retail | 2024 |
| Shouming Handelsselskap AS | Wholesale & retail | 2024 |
| Sierra Holding AS | Professional & scientific | 2018 |
| Sisu Produkter AS | Wholesale & retail | 1994 |
| Sivilingeniør Svein Andersen AS | Professional & scientific | 2015 |
| Skjønnhaug Holding AS | Construction | 2006 |
| Skogtun Nannestad AS | Real estate | 2014 |
| Skymningslys AS | Information & communication | 2024 |
| Snortheim Invest AS | Real estate | 2005 |
| Softvask Norge AS | Real estate | 2017 |
| Solheim Kvartalet AS | Real estate | 2009 |
| Stabinor AS | Manufacturing | 1979 |
| Stadtex AS | Wholesale & retail | 2022 |
| Stall Engelstad AS | Agriculture & fishing | 2013 |
| Stephens Og Lauritsen Import Ans | Wholesale & retail | 1997 |
| Stian N. Andersen Holding AS | | 2022 |
| Strømsbu Eiendom AS | Real estate | 2013 |
| Stype Norway AS | Arts & recreation | 2016 |
| Sundt Air AS | Transport & logistics | 1996 |
| Sveve AS | Information & communication | 2017 |
| Sveve Holding AS | Information & communication | 2017 |
| Svipps Transport AS | Transport & logistics | 2026 |
| Swat Shop Da | Wholesale & retail | 2004 |
| Sweety AS | Wholesale & retail | 2025 |
| Syrtveit Invest AS | Financial services | 2006 |
| Sæther Meieri AS | Real estate | 1981 |
| Techmar AS | Professional & scientific | 2020 |
| Teen'Z Ans | Wholesale & retail | 2004 |
| Tellus Holding AS | Real estate | 2005 |
| Tellus Teknikk AS | Professional & scientific | 2026 |
| Tendenz Velvære AS | Health & social care | 1994 |
| Thams Gate 4 AS | Real estate | 2012 |
| Tk-Trans AS | Transport & logistics | 2023 |
| To Consult AS | Professional & scientific | 2025 |
| Toftner Invest AS | Real estate | 2017 |
| Transport Og Varer AS | Transport & logistics | 2015 |
| Transportsentralen Gardermoen AS | Transport & logistics | 2023 |
| Tre Konsepter AS | Hospitality | 2024 |
| TSK Bil AS | Wholesale & retail | 2026 |
| Ullensaker Byggservice AS | Construction | 2024 |
| Ultra Premium Brands AS | Wholesale & retail | 2022 |
| Ulvedalsvegen 2 AS | Real estate | 2015 |
| Unit Bemanning AS | Administrative & support | 2023 |
| Vaktmester Øst AS | Administrative & support | 2023 |
| Vekr Invest AS | | 2023 |
| Viken Autosenter AS | Wholesale & retail | 2019 |
| Viken Profil AS | Professional & scientific | 2024 |
| Vikingegarden Maurenga AS | Arts & recreation | 2000 |
| Vivo Holding AS | Real estate | 2021 |
| W. Årseth AS | Wholesale & retail | 2024 |
| W.H.H AS | Hospitality | 2024 |
| Wagan AS | Professional & scientific | 2011 |
| Wang Energy Nuf | Professional & scientific | 2010 |
| Waterproof Investments AS | | 2025 |
| Weishaupt Norge AS | Wholesale & retail | 1982 |
| Weng Jewel Asiatisk Dagligvare Og Cafe AS | Wholesale & retail | 2023 |
| Westbye Invest AS | | 2026 |
| Woonti AS | Information & communication | 2021 |
| Yield Eiendom Services AS | Professional & scientific | 2019 |
| Zircom Data Ans | Information & communication | 2002 |
| Zyrus Engineering AS | Wholesale & retail | 2016 |
| Øst Elektro AS | Construction | 2018 |
| Øvre Storgate 45A AS | Real estate | 2012 |
| Øyvind Voss Holding AS | | 2024 |