| 2H Eiendom AS | Real estate | 2013 |
| A Kjelaas Holding AS | | 2024 |
| Aabergs AS | | 2023 |
| Agy AS | Wholesale & retail | 2023 |
| Alpakkagaarden Østre Kjærnes AS | Real estate | 2023 |
| Ampit AS | Construction | 2020 |
| Asymmetric Invest AS | | 2018 |
| Atret AS | Professional & scientific | 2025 |
| Augerød Mat AS | Wholesale & retail | 2020 |
| Aurednik Norway AS | Wholesale & retail | 2026 |
| Balten AS | Construction | 2014 |
| Bjørnerød Gartneri AS | Wholesale & retail | 1991 |
| Bjørnerødvannet Renseanlegg SA | Water & waste | 2003 |
| Blikkfang Dekor AS | Professional & scientific | 2025 |
| Borgebund Bygg AS | Construction | 2018 |
| Borgheim Eiendom AS | Wholesale & retail | 2014 |
| Brødrene Skolt AS | Financial services | 2018 |
| BW Eiendomsservice AS | Administrative & support | 2024 |
| Carify AS | Information & communication | 2025 |
| Core Studio AS | Arts & recreation | 2026 |
| Damengen Hage & Utemiljø AS | Administrative & support | 2016 |
| Daniel Henriksen Holding AS | Real estate | 2025 |
| Devsport AS | Professional & scientific | 2020 |
| Dillingøy AS | Real estate | 2012 |
| Dillingøy Vann SA | Water & waste | 2023 |
| Eco Isolering AS | Construction | 2018 |
| Ekhana AS | Professional & scientific | 2023 |
| Emnili AS | Financial services | 2017 |
| Eng Gård AS | Agriculture & fishing | 2005 |
| Eng Gårdsdrift AS | Agriculture & fishing | 1996 |
| Eng Holding AS | Real estate | 1996 |
| Engo AS | Hospitality | 1998 |
| Enøk Energisystemer AS | Construction | 2024 |
| Eybry Holding AS | Real estate | 2022 |
| G3T Capital AS | | 2024 |
| Green Power Nordic AS | Wholesale & retail | 2007 |
| Greg Isolering AS | Construction | 2025 |
| Grepperød Barnevernsdrift AS | Health & social care | 2019 |
| Haakensen AS | Administrative & support | 2017 |
| Hamli AS | Water & waste | 2005 |
| Helse-Henrik AS | Wholesale & retail | 2026 |
| Henrik B Holding AS | | 2026 |
| Herning Holding AS | Wholesale & retail | 2005 |
| Hersleth Holding AS | Real estate | 1998 |
| Hersleth Utvikling AS | Real estate | 2017 |
| Hjelkrem MT Service AS | Manufacturing | 2024 |
| Holm Inv AS | Financial services | 2014 |
| Holmern AS | Professional & scientific | 2011 |
| Hool Gruppen AS | Information & communication | 2017 |
| Hovland Maskinservice AS | Manufacturing | 2014 |
| Hso AS | Wholesale & retail | 2022 |
| Håndverker Morten Storsveen AS | Construction | 2014 |
| Iarh Holding AS | Manufacturing | 2024 |
| Ida Sofie Wiik AS | Wholesale & retail | 2022 |
| Ingarsteinsland Holding AS | Real estate | 2005 |
| Ingeniør KBT AS | Professional & scientific | 2024 |
| J.T.Jensen Holding AS | | 2021 |
| Jakovest AS | | 2025 |
| Janders Holding AS | Wholesale & retail | 2005 |
| Jedb AS | Real estate | 2025 |
| Jeløy Graveservice AS | Construction | 2020 |
| Jmcc Holding AS | | 2023 |
| Johnsrød Racing AS | Other services | 2019 |
| K&O Eiendom Invest AS | Real estate | 2024 |
| Kingren Nova AS | Information & communication | 2025 |
| Kjuksrød Gårdsdrift AS | Agriculture & fishing | 2019 |
| Knut a. Bakken Holding AS | Real estate | 2005 |
| Knut E. Bakken Eiendom AS | Real estate | 2024 |
| Kollart AS | Wholesale & retail | 2023 |
| Kordahl Holding AS | Real estate | 2007 |
| Kvistjentene AS | Wholesale & retail | 2019 |
| Mer Regnskap AS | Professional & scientific | 2024 |
| Micro Tek AS | Real estate | 1996 |
| Moss Bilverksted AS | Other services | 1988 |
| Moss Maxi Taxi AS | Transport & logistics | 2022 |
| Moss Takst AS | Real estate | 2025 |
| MOTORPARTNER1 AS | Wholesale & retail | 2023 |
| NB! Eiendom AS | | 2019 |
| Nettyh AS | Transport & logistics | 2012 |
| Nextstep IT Consulting AS | Information & communication | 2025 |
| Passion for Baking AS | Arts & recreation | 2018 |
| Paulshus Holding AS | Wholesale & retail | 2023 |
| Preg Barnehager Våk AS | Education | 2022 |
| RCG Holding AS | | 2017 |
| Ring Karlsen AS | Information & communication | 2014 |
| RKJ Holding AS | Financial services | 2013 |
| Rorabu AS | Financial services | 2005 |
| Rødsund Eiendom Og Drift AS | Real estate | 2008 |
| Selen Invest AS | Construction | 2022 |
| Selen Varmepumpe Service AS | Construction | 2022 |
| Ske Gårdsinvest AS | Real estate | 2022 |
| Sperrebotn Eiendom AS | Wholesale & retail | 2005 |
| Sperrebotn Handel AS | Wholesale & retail | 2000 |
| Stubberud Eiendomsservice AS | Professional & scientific | 2016 |
| Sy Holding AS | | 2021 |
| Syverødåsen Kloakklag SA | Water & waste | 2018 |
| Sønsterød Renseanlegg SA | Water & waste | 2004 |
| Teraline Inge Meldahl Kristoffersen Nuf | Wholesale & retail | 1999 |
| Thereses Hud & Kroppsterapi AS | Other services | 2011 |
| Tonerud Holding AS | | 2025 |