| Access Air Charter AS | Transport & logistics | 2013 |
| Access Oslo AS | Transport & logistics | 2013 |
| Aeroone 2 AS | Real estate | 2023 |
| Agile Logistics AS | Transport & logistics | 2019 |
| Air Nexus AS | Transport & logistics | 2024 |
| Airport Coordination Norway AS | Transport & logistics | 1998 |
| Airport Hotelldrift AS | Hospitality | 1999 |
| Ait Worldwide Logistics Norway AS | Transport & logistics | 1982 |
| Ans Safe Trans | Transport & logistics | 1987 |
| Antonsen Regnskap AS | Professional & scientific | 2024 |
| Aquila Hash AS | Information & communication | 2023 |
| Armydays AS | Arts & recreation | 2012 |
| Aurora Air Cargo AS | Transport & logistics | 2025 |
| Autofresh Team AS | Other services | 2020 |
| Autostrand AS | Wholesale & retail | 2015 |
| Avarn Security Aviation AS | Administrative & support | 2008 |
| Avarn Security Edd AS | Other services | 2026 |
| Bilin Bruktbil AS | Wholesale & retail | 2012 |
| Bilin Eiendom AS | Real estate | 2017 |
| Bjerklundsbakken 5 AS | Real estate | 2021 |
| Botnia-Partners AS | Construction | 2014 |
| British Airways PLC | Transport & logistics | 1995 |
| Butikkdrift Haga AS | Wholesale & retail | 2025 |
| Byggmestern Eiendom AS | Real estate | 2014 |
| Bærum Bruktbil AS | Wholesale & retail | 2023 |
| Cae Aviation Academy Norway Holdings AS | Administrative & support | 2007 |
| Cae Centre Oslo AS | Education | 1990 |
| Cae Oslo - Aviation Academy AS | Education | 2004 |
| Cae Training Norway AS | Education | 2010 |
| Capi-Lux Norway AS | Wholesale & retail | 2022 |
| Cargo Care International AS | Transport & logistics | 1999 |
| Carlab Paint Da | Professional & scientific | 2024 |
| Carrier Transicold Scandinavia Norsk Avdeling Av Utenlands Foretak Nuf | Wholesale & retail | 1999 |
| Clarion Hotel Oslo Airport AS | Hospitality | 1999 |
| Connect Regnskap AS | Professional & scientific | 1997 |
| CR Tech AS | Construction | 2018 |
| CXD AS | Wholesale & retail | 2022 |
| Dalen Parkering AS | Transport & logistics | 2017 |
| Dalstuvegen 25 AS | Real estate | 2022 |
| Dangerous Goods Management Oslo AS | Education | 2001 |
| Dansk Brand- Og Sikringsteknisk Institut Nuf | Professional & scientific | 2015 |
| Dekkteam AS | Wholesale & retail | 1994 |
| DNN Bil AS | Wholesale & retail | 2019 |
| Drømmebil AS | Wholesale & retail | 2023 |
| Eagleburgmann Norway AS | Wholesale & retail | 1989 |
| Eika Holding AS | Real estate | 2013 |
| Ekspress Frakt AS | Transport & logistics | 2022 |
| Emvik AS | Construction | 2017 |
| Entrancement AS | | 2019 |
| Euro Cargo Aviation AS | Transport & logistics | 2019 |
| Eventtents AS | Administrative & support | 2015 |
| Expeditors International Norway AS | Transport & logistics | 2009 |
| Flight Park AS | Transport & logistics | 2010 |
| Flytribe AS | Arts & recreation | 2024 |
| Freudenberg Home and Cleaning Solutions AS | Wholesale & retail | 2001 |
| Garder Kurs Og Konferansesenter AS | Hospitality | 2002 |
| Gardermoen Airport Hotel AS | Hospitality | 2016 |
| Gardermoen Auto Lakk AS | Other services | 2023 |
| Gardermoen Bil AS | Wholesale & retail | 2017 |
| Gardermoen Bilservice AS | Other services | 1989 |
| Gardermoen Bud & Vare AS | Transport & logistics | 2024 |
| Gardermoen Eiendoms Service AS | Administrative & support | 2001 |
| Gardermoen Fuelling Services AS | Transport & logistics | 1998 |
| Gardermoen Næringspark AS | Real estate | 2022 |
| Gardermoen Parkering AS | Transport & logistics | 2006 |
| Gardermoen Perishable Center AS | Transport & logistics | 1998 |
| Gardermoen Prosjekt AS | Real estate | 2022 |
| Gardermoen Regnskap AS | Professional & scientific | 2013 |
| Gardermoen Service AS | Administrative & support | 2019 |
| Gardermoen Utvikling AS | Real estate | 1997 |
| Gardermoen.No AS | Professional & scientific | 1997 |
| Gardermovegen 86 AS | Real estate | 2021 |
| Gate Gourmet Norway AS | Hospitality | 1989 |
| GF Logistikk AS | Transport & logistics | 2006 |
| Glohaugen AS | Real estate | 2019 |
| GNP 1 AS | Real estate | 2026 |
| GNP 2 AS | Real estate | 2026 |
| GNP 3 AS | Real estate | 2026 |
| GNP 4 AS | Real estate | 2026 |
| GNP 5 AS | Real estate | 2026 |
| GNP 6 AS | Real estate | 2026 |
| GNP 7 AS | Real estate | 2026 |
| GNP 8 AS | Real estate | 2026 |
| GNP 9 AS | Real estate | 2026 |
| Gourmet Produkter AS | Wholesale & retail | 2010 |
| H-Bird Aviation Services Norway AS | Transport & logistics | 1991 |
| H.W.F. Norway AS | Transport & logistics | 2014 |
| Halls AS | Administrative & support | 2020 |
| Hama Nordic AS | Construction | 2025 |
| Hama Nordic Holding AS | | 2025 |
| Hama Nordic Prosjekt AS | Professional & scientific | 2026 |
| Hemsedal Mountain Resort AS | Real estate | 2020 |
| Hernesringen 10 AS | Real estate | 2020 |
| Hiserv Norway AS | Administrative & support | 2021 |
| Hmshost Norway AS | Hospitality | 2015 |
| Hotel Runway AS | Hospitality | 2008 |
| Icts Norway AS | Transport & logistics | 2004 |
| Inspo AS | Wholesale & retail | 2023 |
| Interrent AS | Administrative & support | 2014 |
| Its Independent Transport & Shipping AS | Transport & logistics | 2008 |