| Kiropraktor Elling Jørgensen AS | Health & social care | 2012 |
| Kjetil Strand Eriksen AS | Wholesale & retail | 2005 |
| Klartnkt AS | Professional & scientific | 2011 |
| Kmvl AS | Construction | 2022 |
| Knarberg AS | Professional & scientific | 2007 |
| Knarberg BM AS | Professional & scientific | 2024 |
| Knarberg Eiendom AS | Real estate | 2016 |
| Knarberg Holding AS | Real estate | 2018 |
| Knarberg Invest AS | Financial services | 2012 |
| Kolsto Offshore AS | Administrative & support | 2023 |
| KP Tomt 1B AS | Real estate | 2020 |
| Krøger AS | Financial services | 2005 |
| Kse Regnskap AS | Professional & scientific | 2025 |
| Kte Invest AS | | 2005 |
| Kvalshaugen Bygg Og Service AS | Construction | 2021 |
| Kylu Invest AS | | 2022 |
| Kyomi AS | Professional & scientific | 2024 |
| Lege Jarle Flaatten AS | Health & social care | 2011 |
| Leka AS | Professional & scientific | 2001 |
| Lemons AS | | 2025 |
| Lilleborg Holding AS | Real estate | 2013 |
| Lindbox AS | Financial services | 2005 |
| Lindtel Group AS | Real estate | 2015 |
| LINK4YOU AS | Professional & scientific | 2024 |
| Luhema AS | Real estate | 2020 |
| Løken Kapital AS | | 2024 |
| Løkkeåsveien 16-18 AS | Real estate | 2024 |
| Løkkåsv 22 AS | Real estate | 1989 |
| Managementconsulting AS | Information & communication | 2018 |
| Martens Consulting AS | Education | 2002 |
| Maskinentreprenør Ivar H Eikeberg AS | Construction | 1997 |
| Medici Invest AS | | 2015 |
| Mehlsen Invest AS | | 2021 |
| Meliora Holding AS | Professional & scientific | 2020 |
| Mikkelshvelv Hodl AS | | 2025 |
| Mikmat AS | Professional & scientific | 2022 |
| Mimijumi Skandinavia AS | Wholesale & retail | 2013 |
| Min Lagerplass AS | Real estate | 2026 |
| Momoda Norge AS | Wholesale & retail | 2018 |
| NDK Holding AS | | 2021 |
| Nesbrygga-Holding AS | | 2025 |
| Nesbryggen Bryggelag SA | Transport & logistics | 1985 |
| Nesbryggveien 4 AS | Real estate | 2006 |
| Norberg Gti AS | Real estate | 2006 |
| Norberg Utvikling AS | Administrative & support | 2026 |
| Northwood AS | Construction | 2022 |
| Norwegian Originals AS | Professional & scientific | 2020 |
| Nøtterøy Autoservice AS | Other services | 2011 |
| Nøtterøy Bruktbil AS | Wholesale & retail | 2018 |
| Nøtterøy Graveservice AS | Construction | 2013 |
| OLE3 AS | Transport & logistics | 2016 |
| Om Holding Aps | | 2014 |
| Opertune AS | Health & social care | 2018 |
| Opus AS | Real estate | 1997 |
| Otb Holding AS | Professional & scientific | 2005 |
| Pannero AS | Information & communication | 2024 |
| Pavanouvas AS | Hospitality | 2021 |
| Potero AS | Information & communication | 2014 |
| Pretzel Haus AS | Wholesale & retail | 2018 |
| Propertyx AS | | 2026 |
| Quality Support AS | Professional & scientific | 1992 |
| Rabbe Invest AS | Real estate | 2011 |
| Rask Holding AS | | 2021 |
| Rasp AS | | 2024 |
| Retailx Holding AS | Real estate | 2014 |
| Rheinmetall Chempro GmbH | Wholesale & retail | 2011 |
| Rheinmetall Electronics GmbH | Construction | 2005 |
| Rom Arkitekter AS | Professional & scientific | 2026 |
| Sanj Holding AS | | 2021 |
| SDR Holding AS | | 2025 |
| Sea-Invest AS | Real estate | 2006 |
| Siv Ing Per Gaasø AS | Information & communication | 1989 |
| Skogluft AS | Professional & scientific | 2018 |
| Skoglufteffekten AS | Professional & scientific | 2020 |
| Skyskaperen AS | Information & communication | 2024 |
| Smartscan AS | Information & communication | 2018 |
| Solema AS | | 2019 |
| Solid Digital AS | Information & communication | 2025 |
| Southpaw Holding AS | | 2017 |
| Stein Jacobsen Invest AS | Wholesale & retail | 2005 |
| Stenbergm AS | Real estate | 2015 |
| Storekleiv AS | Real estate | 2014 |
| Storskiva Holding AS | Real estate | 2019 |
| Studio Lille Holding AS | | 2026 |
| Studio Lille Tønsberg AS | Arts & recreation | 2026 |
| Styd Kommunikasjon AS | Education | 2012 |
| Sør Anker Eiendom AS | Real estate | 2014 |
| Sørhagen Design AS | Information & communication | 2025 |
| Sørhagen Ventures AS | | 2025 |
| T.M. Rød Holding AS | Financial services | 2012 |
| Taishi Holding AS | Professional & scientific | 2024 |
| Terje Holding AS | Real estate | 2005 |
| Tidemandsgate Eiendom AS | Real estate | 2010 |
| Tjuvholmen Eiendom Holding AS | Real estate | 2018 |
| Too Invest AS | | 2005 |
| Torbear AS | | 2020 |
| Tostrup Holding AS | Real estate | 2018 |
| Trigger AS | Financial services | 2018 |
| Trokar AS | Professional & scientific | 2008 |
| Turbo AS | | 2023 |