| Grændsens Skotøimagazin AS | Wholesale & retail | 1996 |
| Græsvik Media AS | Arts & recreation | 2024 |
| Gröna Tider AS | | 2025 |
| Grød Norge AS | Hospitality | 2021 |
| Grøde Folk AS | Professional & scientific | 2025 |
| Grøde Handel AS | Wholesale & retail | 2024 |
| Grøde Kunstutstyr AS | Professional & scientific | 2026 |
| Grødem Eigedom AS | Real estate | 2006 |
| Grødem Investments AS | Information & communication | 2024 |
| Grøgaard Holding AS | | 2025 |
| Grømern Go AS | Real estate | 2011 |
| Grøn-Hansengården AS | Real estate | 1953 |
| Grøna Kraft AS | Professional & scientific | 2021 |
| Grønbech Consulting AS | Professional & scientific | 2020 |
| Grøndahl Holding AS | Real estate | 1997 |
| Grøndalen Gård Holding AS | Real estate | 2022 |
| Grøneng Kapital AS | Financial services | 2017 |
| Grønland 12 AS | Real estate | 2006 |
| Grønland 12B AS | Real estate | 2006 |
| Grønland 14 AS | Real estate | 1963 |
| Grønland 16 AS | Real estate | 2018 |
| Grønland 18 AS | Real estate | 2006 |
| Grønland 21 AS | Real estate | 1998 |
| Grønland 22 AS | Real estate | 2013 |
| Grønland 30 AS | Real estate | 2017 |
| Grønland 30 Eiendom AS | Real estate | 2020 |
| Grønland 30 Oslo AS | Real estate | 2012 |
| Grønland 4 AS | Real estate | 2017 |
| Grønland 41 AS | Real estate | 2008 |
| Grønland 51 AS | Real estate | 2005 |
| Grønland 55 AS | Real estate | 2008 |
| Grønland 56 AS | Real estate | 2011 |
| Grønland 58 AS | Real estate | 2011 |
| Grønland 60 AS | Real estate | 2011 |
| Grønland 61 AS | Real estate | 2023 |
| Grønland 67 AS | Real estate | 2014 |
| Grønland Barber Shop AS | Other services | 2021 |
| Grønland Delikatesser AS | Manufacturing | 2020 |
| Grønland Eiendomsforvaltning Selskap AS | Real estate | 2000 |
| Grønland Eiendomsinvest AS | Real estate | 1996 |
| Grønland Eiendomssenter AS | Real estate | 1996 |
| Grønland Helsesenteret AS | Health & social care | 2016 |
| Grønland Investerer AS | Administrative & support | 2020 |
| Grønland Synssenter AS | Wholesale & retail | 2008 |
| Grønland Torg AS | Wholesale & retail | 2018 |
| Grønland Urtehagen Barnehager AS | Education | 2022 |
| Grønlands Torg Drift Næring AS | Real estate | 1992 |
| Grønlands Torg Markedssamvirke SA | Professional & scientific | 1992 |
| Grønlandsbygg AS | Real estate | 1938 |
| Grønlandskvartalene AS | Real estate | 2018 |
| Grønlandsleiret 15 AS | Real estate | 2020 |
| Grønlandsleiret 16 AS | Real estate | 2016 |
| Grønlandsleiret 25 AS | Real estate | 1999 |
| Grønlandsleiret 31 AS | Real estate | 1960 |
| Grønlandsleiret 39 Eiendom 1 AS | Real estate | 2012 |
| Grønlandsleiret 39 Eiendom 10 AS | Real estate | 2012 |
| Grønlandsleiret 39 Eiendom 2 AS | Real estate | 2012 |
| Grønlandsleiret 39 Eiendom 3 AS | Real estate | 2012 |
| Grønlandsleiret 39 Eiendom 8 AS | Real estate | 2012 |
| Grønlandsleiret 61 Næring AS | Real estate | 2016 |
| Grønlandsleiret 73 AS | Real estate | 1993 |
| Grønlandsleiret 73 Eiendom AS | Real estate | 2012 |
| Grønlandsleiret Apartments AS | Hospitality | 2022 |
| Grønlandtorg Frukt Og Grønt AS | Wholesale & retail | 2019 |
| Grønlia Hybelhus AS | Real estate | 1991 |
| Grønlikroken AS | Real estate | 2005 |
| Grønlund Welin Holding AS | Information & communication | 2023 |
| Grønmo Golfbane AS | Arts & recreation | 1999 |
| Grønmo Holding AS | Professional & scientific | 2006 |
| Grønn AS | Wholesale & retail | 2002 |
| Grønn Dugnad AS | Wholesale & retail | 2018 |
| Grønn Eiendomsdrift & Forvaltning AS | Administrative & support | 2020 |
| Grønn Eiendomsdrift Da | Real estate | 2000 |
| Grønn Kraft AS | Professional & scientific | 2017 |
| Grønn Lilleaker Holding AS | | 2019 |
| Grønn Miljø Invest AS | | 2024 |
| Grønn Park & Hage AS | Administrative & support | 2024 |
| Grønn Transport AS | Transport & logistics | 2020 |
| Grønn Venn AS | Professional & scientific | 2023 |
| Grønne Forsikringer AS | Financial services | 2016 |
| Grønne Gleder AS | Wholesale & retail | 2022 |
| Grønne VVS AS | Construction | 2018 |
| Grønneberg Holding AS | | 2026 |
| Grønnegata 1 Holding AS | | 2025 |
| Grønnegata 1 Næring AS | Real estate | 2025 |
| Grønnegata 122 AS | Real estate | 2013 |
| Grønner Eiendom AS | Real estate | 2006 |
| Grønnere Oslo AS | | 2014 |
| Grønneriet Da | Health & social care | 2023 |
| Grønnglede Dagligvare AS | Transport & logistics | 2025 |
| Grønnland Torg Parkering AS | Real estate | 2008 |
| Grønnmat AS | Hospitality | 2020 |
| Grønnova AS | Transport & logistics | 2025 |
| Grønnren AS | Administrative & support | 2025 |
| Grønnslett Eiendom AS | | 2024 |
| Grønsand AS | Real estate | 2011 |
| Grønsand Holding AS | Real estate | 2021 |
| Grønslått AS | Financial services | 2012 |
| Grønstad Holding AS | Information & communication | 2017 |
| Grønt Hjem AS | Real estate | 2019 |