| Jessheim Elektriske AS | Construction | 2011 |
| Jetpak Norge AS | Transport & logistics | 2000 |
| Jetpak Norway Road Logistics AS | Transport & logistics | 1998 |
| Jetpak Oslo AS | Transport & logistics | 2013 |
| Joda Holding AS | Real estate | 2006 |
| Joes Holding AS | Professional & scientific | 2022 |
| Johannessen & Paulsen Ans | Construction | 1996 |
| Kim Johansen International Transport | Professional & scientific | 2011 |
| Kjos Eiendom AS | Transport & logistics | 2000 |
| Konserveringstjenester AS | Arts & recreation | 2014 |
| Korean Air Line Nuf | Transport & logistics | 2009 |
| Kotra Logistics Norway AS | Transport & logistics | 2024 |
| Leto Byggutleie AS | Real estate | 2026 |
| Leto Investeringer AS | | 2025 |
| Lika Cars Og Transport AS | Wholesale & retail | 2023 |
| Lillesæter AS | Real estate | 2013 |
| Lilltech AS | Wholesale & retail | 2003 |
| Lilltech Institute AS | Wholesale & retail | 2009 |
| LSG Lufthansa Europa/Afrika GmbH | Construction | 2001 |
| M-16 Akershus Vaktselskap AS | Administrative & support | 2015 |
| M.A.B Holding AS | Real estate | 2020 |
| Major Beaver AS | Arts & recreation | 2018 |
| Mas Aero AS | Manufacturing | 2025 |
| Maurice Ward & Co AS | Transport & logistics | 2019 |
| Mehren Karosseri AS | Other services | 2021 |
| Menzies Aviation (Oslo) AS | Transport & logistics | 2006 |
| Menzies World Cargo (Oslo) AS | Transport & logistics | 2016 |
| Mila Invest AS | Financial services | 2012 |
| MK Investment AS | | 2017 |
| Modern Activity Center AS | Arts & recreation | 2017 |
| Molde Spedisjon AS | Transport & logistics | 1993 |
| Move IT Xpress AS | Transport & logistics | 2020 |
| Mtab Norge AS | Transport & logistics | 2011 |
| Møller Sportsbiler Gardermoen AS | Wholesale & retail | 2018 |
| Newrest Norway AS | Hospitality | 2013 |
| Nor Aviation Eiendom AS | Real estate | 1998 |
| Nor Bil AS | Wholesale & retail | 2022 |
| Nordic Studio Bil AS | Other services | 2026 |
| Nordic Transport Group Terminal AS | Transport & logistics | 2000 |
| Nordicgsa AS | Transport & logistics | 2004 |
| Norsk PS Teknikk Ans | Wholesale & retail | 1989 |
| NTG Holding Norge AS | Wholesale & retail | 2021 |
| Oakwood Holding AS | Real estate | 2023 |
| Olgi AS | Real estate | 1987 |
| Olino Osl Nuf | Wholesale & retail | 2007 |
| Op System Norge AS | Wholesale & retail | 2014 |
| Oppdrag AS | Information & communication | 2023 |
| Oralis AS | Health & social care | 2025 |
| Osl Consulting AS | Administrative & support | 2020 |
| Osl Logistics AS | Real estate | 2012 |
| Oslo Airport Cold Storage AS | Transport & logistics | 2023 |
| Oslo Airport Property AS | Real estate | 2022 |
| Oslo Cabs AS | Transport & logistics | 2017 |
| Oslo Graveteknikk AS | Construction | 2023 |
| Oslo Kranbilservice AS | Transport & logistics | 2023 |
| Oslo Lufthavns Tankanlegg AS | Transport & logistics | 1996 |
| Oslo Seafood & Cargo Center AS | Transport & logistics | 2018 |
| Oslo Seafood Center AS | Transport & logistics | 2017 |
| Osmo Nordic AS | Wholesale & retail | 2013 |
| P.H.U Klon V/ Jozef Furlepa | Construction | 2006 |
| Palette Software & Consulting AB | Information & communication | 2009 |
| Panasonic Avionics Corporation Norwegian Branch Nuf | Other services | 2012 |
| Pegasus Flyinvest AS | Administrative & support | 2023 |
| Pegasus Hangar AS | Real estate | 2006 |
| Pegasus Helicopter AS | Transport & logistics | 1998 |
| Play Car AS | Wholesale & retail | 2022 |
| Polargo AS | Manufacturing | 2013 |
| Prabhdeep Holding AS | | 2025 |
| Pro Mek AS | Other services | 2019 |
| PSP AS | Administrative & support | 2015 |
| Qatar Airways Group (Q.C.S.C) Nuf | Transport & logistics | 2011 |
| Regnskapspartner AS | Professional & scientific | 1998 |
| Resale AS | Wholesale & retail | 2025 |
| Rikard Kaarbø Holding AS | Financial services | 2016 |
| Romerike Byggmesterforretning AS | Construction | 2020 |
| Romerike Forsikringssenter AS | Financial services | 2000 |
| Ronis Eiendom AS | Real estate | 2022 |
| Rutholen Eiendom AS | Real estate | 2006 |
| RW3 II AS | Administrative & support | 2025 |
| Saferoad Services AS | Construction | 1996 |
| Sam Aero AS | Manufacturing | 2010 |
| Sam Aero Capital AS | Manufacturing | 2012 |
| Sand Bredbånd AS | Information & communication | 2014 |
| Sandholt Eiendom AS | Real estate | 2020 |
| SAS Cargo Group | Transport & logistics | 2003 |
| SAS Danmark | Transport & logistics | 1999 |
| SAS Eiendom AS | Real estate | 2015 |
| SAS Ground Handling Norway AS | Transport & logistics | 2013 |
| SAS Link Crew Services Norge Filial Nuf | Administrative & support | 2022 |
| SAS Norge AS | Transport & logistics | 1946 |
| SAS Oil Norway AS | Wholesale & retail | 1994 |
| Sasoil Denmark A/S Nuf | Wholesale & retail | 2025 |
| Scan Global Logistics AS | Transport & logistics | 1997 |
| Scan Gse AS | Manufacturing | 2021 |
| Scandic Hotel Gardermoen AS | Hospitality | 1998 |
| Scandinavian Airlines System Denmark-Norway-Sweden Nuf | Transport & logistics | 1995 |
| Scanpartners International AS | Transport & logistics | 1996 |
| Schmitz Cargobull Norge AS | Wholesale & retail | 2012 |
| Select Service Partner AS | Hospitality | 1985 |
| Shared Mobility Nuf | Administrative & support | 2019 |