| 3TOPPEN Invest AS | | 2022 |
| Active Partner AS | Administrative & support | 1998 |
| Active Property AS | Real estate | 2017 |
| Adapt Byggpartner AS | Construction | 2024 |
| Akershus Forsikrings Formidling AS | Financial services | 2016 |
| Akershus Installasjon AS | Construction | 2024 |
| Akto AS | Real estate | 2005 |
| Alfa-Clean AS | Other services | 2000 |
| Annette Saugestad AS | Information & communication | 2023 |
| Aria Solutions AS | Information & communication | 2003 |
| AS Ocus | Real estate | 1973 |
| Atle Bergane Bygg Og Anlegg AS | Construction | 2003 |
| B.A.S. Bygg AS | Construction | 2012 |
| Baccva Invest AS | Real estate | 2022 |
| BARNELEG1 AS | Health & social care | 2020 |
| Beauty Game AS | Other services | 2018 |
| Butikkdrift Nysether AS | Wholesale & retail | 2017 |
| Bylterudmyra Da | Agriculture & fishing | 2023 |
| Celina Khan Holding AS | | 2026 |
| Chesterfield Norge AS | Wholesale & retail | 2004 |
| Cna Holding AS | Real estate | 2014 |
| Commerce Group AS | Information & communication | 2021 |
| Dark Angel Holding AS | Professional & scientific | 2014 |
| Den Lille Butikken AS | Wholesale & retail | 2023 |
| Dronningensgate 19 AS | Real estate | 2007 |
| En Dude Av Nødvendighet AS | Financial services | 2017 |
| Eriksen Hovslageri AS | Agriculture & fishing | 2026 |
| Estero Bygg & Maling AS | Construction | 2017 |
| Estero Invest AS | Construction | 2017 |
| Eventsupport AS | Administrative & support | 2011 |
| Eximius AS | Information & communication | 2015 |
| F.O.X Da | Construction | 2009 |
| Feelgood Vestby AS | Arts & recreation | 2022 |
| Fholding AS | | 2025 |
| Fjellgrunn AS | Construction | 2010 |
| Fløyåsen AS | | 2017 |
| Follo Skadetakst & Tilstandsvurdering AS | Real estate | 2016 |
| Fosser Bær AS | Agriculture & fishing | 2023 |
| Fosser Development Holding AS | | 2021 |
| Fredrik Johansen Holding AS | | 2021 |
| Frizz AS | Other services | 2013 |
| Golden Express AS | Transport & logistics | 2023 |
| Gullhjem AS | Real estate | 2020 |
| Gårdsplassen AS | Information & communication | 2026 |
| Heimdalstunet AS | Real estate | 2006 |
| Hersleth AS | Construction | 2024 |
| Hersleth Eiendom AS | Real estate | 2018 |
| Hersleth Entreprenør AS | Construction | 1992 |
| HJV Holding AS | Wholesale & retail | 2024 |
| Hobøl Utmarkslag | Real estate | 1995 |
| Holløkken Og Thorsnes Da | Real estate | 2006 |
| HS Glass, Bygg Og Vedlikehold AS | Construction | 2022 |
| Håkon Myhrer AS | Transport & logistics | 1983 |
| Hölen Industrier AS | | 2023 |
| Hølen Dekkservice AS | Wholesale & retail | 2007 |
| Hølen Druer & Vin AS | Agriculture & fishing | 2015 |
| Hølen El-Mek AS | Wholesale & retail | 2001 |
| Hølen Fus Barnehage AS | Education | 2019 |
| Hølen Kafè AS | Hospitality | 2018 |
| Insert Glass Og Fasademontasje AS | Construction | 2018 |
| IT Driften AS | Information & communication | 2019 |
| J-A Enerhaugen Holding AS | Construction | 2021 |
| Ji Holding AS | | 2012 |
| JTS Gourmet AS | Wholesale & retail | 1990 |
| JTS Holding AS | Real estate | 2005 |
| JTS Import & Eksport AS | Wholesale & retail | 2013 |
| Juvenilia AS | Health & social care | 2012 |
| Kast Consulting AS | Information & communication | 2025 |
| KB Multikonsult AS | Professional & scientific | 2021 |
| Keep Systems AS | Information & communication | 2025 |
| Khan Autotech & Dekk AS | Other services | 2026 |
| Khan Bilformidling AS | Wholesale & retail | 2026 |
| Khan Eiendomsinvest AS | Real estate | 2026 |
| Kjærneshagen 3 AS | Real estate | 2018 |
| Kniplefjellet Eiendom AS | Real estate | 1995 |
| Kollen 3 AS | Real estate | 2024 |
| Kuplingshuset AS | Real estate | 2012 |
| Kvadrat Bygg AS | Construction | 2024 |
| Lake Rock AS | Transport & logistics | 2024 |
| Lars W Godman Nuf | Professional & scientific | 2010 |
| Lille Frogneseter SA | Real estate | 2006 |
| Lille Rygge Utvikling AS | Real estate | 2025 |
| LMN Invest AS | Professional & scientific | 2020 |
| LMN Konsult AS | Professional & scientific | 2021 |
| M Og T AS | Real estate | 2021 |
| M31 Invest AS | | 2025 |
| Male Invest AS | Financial services | 2014 |
| Mamoe 332 Holding AS | | 2023 |
| Manta Sense AS | Information & communication | 2025 |
| Mef Invest AS | Professional & scientific | 2018 |
| Mel Vestby 20 AS | Real estate | 2022 |
| Mel Vestby 5 AS | Real estate | 2022 |
| Mel Vestby 6 AS | Real estate | 2022 |
| Merkefabrikken AS | Manufacturing | 2013 |
| Mestringsnøkkelen AS | Education | 2019 |
| Mi Bolig Holding AS | | 2025 |
| Molvika Holding AS | Real estate | 2014 |
| Molvika Tomteselskap AS | Real estate | 2014 |
| Moss Trafikk & Transportopplæring AS | Education | 1998 |
| Nye Gulv Norge AS | Construction | 2011 |