| Jorunn's Fotklinikk AS | Health & social care | 2025 |
| Jostol Holding AS | | 2023 |
| Justright Marin AS | Professional & scientific | 2019 |
| Juul Holding AS | Wholesale & retail | 2013 |
| Juul-Vadem Holding AS | Administrative & support | 2008 |
| Kado AS | Wholesale & retail | 2016 |
| Kaikanten 17 AS | Hospitality | 2025 |
| Kapoow AS | Information & communication | 2015 |
| Karine Andreassen AS | Education | 2015 |
| Ketil Olsen Invest AS | Financial services | 2016 |
| Keyframe Kommunikasjon AS | Professional & scientific | 2006 |
| Kjærstranda Camping AS | Hospitality | 2017 |
| Kolbensrød Camping AS | Hospitality | 2017 |
| Kolbensrød Eiendom AS | Real estate | 2017 |
| Kolbensrød Holding AS | Real estate | 2017 |
| KP Consulting AS | Construction | 2022 |
| Kristianne Holding AS | Construction | 2003 |
| Krut AS | Financial services | 2005 |
| KVC Holding AS | Administrative & support | 2018 |
| KVC Nordic AS | Real estate | 2019 |
| Kvik Stavern AS | Financial services | 2005 |
| Labo-Ti AS | Real estate | 2020 |
| Lager Eiendom AS | Real estate | 2023 |
| LAGER11-FURLY AS | Transport & logistics | 2026 |
| Landsbylegen AS | Health & social care | 1995 |
| Larsen Hodling AS | Information & communication | 2018 |
| Larsen Maskin AS | Construction | 2015 |
| Larvik Løk AS | Manufacturing | 2001 |
| Lauve AS | Financial services | 2005 |
| LB Bolig AS | Real estate | 2013 |
| Leans Sushi Og Wok AS | Hospitality | 2019 |
| Leikvollgata 3 AS | Real estate | 2016 |
| Leimeget AS | Administrative & support | 2020 |
| Li Holding AS | Construction | 2017 |
| Liatoppen Invest AS | Financial services | 2005 |
| Lie Interiør Gaver Og Leker Ans | Wholesale & retail | 1989 |
| Lih Bygg AS | Construction | 2017 |
| Lih Eiendom AS | Real estate | 2020 |
| Lingelemveien AS | Real estate | 2016 |
| Lingelemveien Næring AS | Real estate | 2022 |
| Lingelemveien Næring Drift AS | Wholesale & retail | 2022 |
| Losen Stavern AS | Real estate | 2022 |
| Louises Holding AS | | 2016 |
| Luma Bygg Og Invest AS | Construction | 2025 |
| Lydhusstranda AS | Hospitality | 2010 |
| Lynne Publishing AS | Information & communication | 2010 |
| Løberg Eiendomsutleie AS | Real estate | 2020 |
| Løberg Holding AS | Real estate | 2020 |
| Løkka AS | Real estate | 2001 |
| Majas Bakeri Stavern AS | Wholesale & retail | 2020 |
| Make Customers AS | Information & communication | 2018 |
| Making Difference AS | Education | 2014 |
| Mandm AS | Financial services | 2011 |
| Manvik Ferdigplen AS | Agriculture & fishing | 2003 |
| Marzipan Design Da | Manufacturing | 2010 |
| Melior AS | Professional & scientific | 2021 |
| Miraflores Holding AS | Manufacturing | 2005 |
| Mka Holding AS | Financial services | 2008 |
| Montera Café AS | Hospitality | 2025 |
| Morten Dahl Holding AS | | 2022 |
| Motegalleriet AS | Wholesale & retail | 2012 |
| Mpact Solar AS | Professional & scientific | 2025 |
| Måsen Holding AS | | 2020 |
| N Maskin AS | Construction | 2018 |
| N.N Invest AS | | 2025 |
| Naenia AS | Professional & scientific | 2020 |
| Nanset Eiendom AS | Real estate | 2020 |
| Natana Jewels AS | Wholesale & retail | 2009 |
| Naver Invest AS | Real estate | 2005 |
| Naverfjorden Eiendom AS | Real estate | 2008 |
| Naverfjorden Holding AS | Wholesale & retail | 2011 |
| Naverfjorden Utvikling AS | Professional & scientific | 2000 |
| Nicander Holding AS | | 2017 |
| Nidhogg Uteservice AS | Administrative & support | 2023 |
| NM Hest Og Rytter AS | Wholesale & retail | 2020 |
| Nor Hild AS | Health & social care | 2002 |
| Nordic Quality Seafood AS | Wholesale & retail | 2019 |
| Normandbo Service Og Utvikling AS | Administrative & support | 2026 |
| Norsing AS | Wholesale & retail | 2004 |
| Norsk Verktøyteknikk AS | Wholesale & retail | 2007 |
| Nortronix AS | Manufacturing | 2006 |
| Norwegian Trout AS | Professional & scientific | 2015 |
| NR 17 Stavern AS | Wholesale & retail | 2018 |
| Ntdh Invest AS | Financial services | 2016 |
| NX Pluss AS | Information & communication | 2024 |
| Nye Norsk Verktøyteknikk AS | Wholesale & retail | 2026 |
| Nyegaard Invest AS | Real estate | 2019 |
| O & G Eiendom AS | Real estate | 2014 |
| Oko Invest AS | Administrative & support | 2023 |
| Oljeberget Invest AS | Real estate | 2023 |
| Oppfinnelser AS | | 2025 |
| Ottem AS | | 2023 |
| Oxholm Holding AS | Arts & recreation | 2005 |
| P Holand Holding AS | | 2023 |
| Paddeberget Holding AS | Manufacturing | 2019 |
| Pax Holding Norge AS | Wholesale & retail | 2013 |
| Per Egil Sørensen Holding AS | | 2023 |
| Peter AS | | 2016 |
| Polofas AS | Real estate | 1985 |
| Pop Up Ans | Wholesale & retail | 1998 |