| Ge-On AS | Wholesale & retail | 2018 |
| Gea Food Solutions Nordic Norsk Avdeling Av Utenlandsk Foretak Nuf | Professional & scientific | 1996 |
| Gea Norway AS | Wholesale & retail | 1953 |
| Gea Process Engineering | Wholesale & retail | 2002 |
| Gea Tech Norge AS | Wholesale & retail | 2000 |
| Gearbox AS | Professional & scientific | 2024 |
| Gearconsult AS | Professional & scientific | 1998 |
| Geas AS | Real estate | 1997 |
| Geb Invest AS | | 2023 |
| Gebeta Media AS | Information & communication | 2026 |
| Gebo Holding AS | Real estate | 2020 |
| Gebo Maling Og Tapetsering Ans | Construction | 2001 |
| Gebra AS | Arts & recreation | 2002 |
| Gebra Kapital AS | | 2026 |
| Gebremedhin Holding AS | | 2024 |
| Gebrüder Yürekli Spezialtiefbau GmbH | Construction | 2010 |
| Gedde AS | | 2026 |
| Gedde Holding AS | | 2019 |
| Geddes Labs AS | | 2018 |
| Geekevents AS | Information & communication | 2011 |
| Geekstuff Da | Wholesale & retail | 2002 |
| Geelmuyden Design AS | Manufacturing | 2024 |
| Geelmuyden Kiese AS | Professional & scientific | 1995 |
| Geelmuyden.Kiese Gruppen AS | Professional & scientific | 2006 |
| Gees Eiendom AS | Real estate | 2009 |
| Geeves AS | Professional & scientific | 2020 |
| Gefu Consulting AS | Professional & scientific | 2022 |
| Gefüglen AS | | 2020 |
| Gefühl AS | Information & communication | 2015 |
| Geg Invest AS | Financial services | 2006 |
| Gehe Arkitekter AS | Professional & scientific | 2014 |
| Gehk AS | Wholesale & retail | 2025 |
| Gehk Holding AS | Wholesale & retail | 2025 |
| Gei Invest AS | Financial services | 2005 |
| Geia Food AS | Wholesale & retail | 2015 |
| Geia Food Norge AS | Wholesale & retail | 2015 |
| Geilingen AS | Real estate | 2020 |
| Geilo Hotel Eiendom AS | Real estate | 2000 |
| Geilolia Fjellhytter AS | Real estate | 2023 |
| Geilovegen 2 AS | Real estate | 2000 |
| Geir & Rune Mordal Ans | Wholesale & retail | 1988 |
| Geir Bakke AS | Professional & scientific | 1992 |
| Geir Berset Holding AS | Information & communication | 2005 |
| Geir Fodstad AS | Professional & scientific | 2012 |
| Geir Gustavsen Invest AS | | 2019 |
| Geir Hopland AS | Financial services | 2005 |
| Geir Håland AS | Health & social care | 2022 |
| Geir Invest AS | Financial services | 2014 |
| Geir Jordet Performance Consulting AS | Education | 2016 |
| Geir Jåsund AS | Wholesale & retail | 2005 |
| Geir Lunde Invest AS | | 2020 |
| Geir Magne Trengereid AS | Financial services | 2014 |
| Geir Rune Moberg AS | Water & waste | 1979 |
| Geir Storeng AS | Administrative & support | 1993 |
| Geir Thomas Risåsen AS | Professional & scientific | 2007 |
| Geircode AS | Information & communication | 2023 |
| Geirdal Eiendom AS | Real estate | 2022 |
| Geirik Equity AS | | 2019 |
| Geirmund AS | | 2024 |
| Geirr Raaum Holding AS | Financial services | 2005 |
| Geirvind AS | Real estate | 2005 |
| Geisha Ans | Wholesale & retail | 2007 |
| Geisja AS | Financial services | 2008 |
| Geisli Energi AS | Energy | 2023 |
| Geisli Energi Solum AS | Energy | 2024 |
| Geita Restaurant AS | Hospitality | 2018 |
| Geitastrand Holding AS | | 2022 |
| Geiteflokken AS | | 2023 |
| Geitholmen AS | Financial services | 2009 |
| Geitmyras Juniorkokker AS | Hospitality | 2024 |
| Geitmyrsveien 15 B AS | Real estate | 1993 |
| Geitmyrsveien 34 Utvikling AS | Real estate | 2021 |
| Geitmyrsveien 7D AS | Real estate | 2021 |
| Geitåni Kraftverk AS | Energy | 2010 |
| Gekko & Co AS | Real estate | 2021 |
| Geko Holding AS | Professional & scientific | 2019 |
| Gekon AS | | 2012 |
| Gekro Holding AS | Wholesale & retail | 2005 |
| Gela Consulting AS | Professional & scientific | 2024 |
| Gelas Ans | | 1990 |
| Gelato ASA | Information & communication | 2007 |
| Gelato International AS | Information & communication | 2018 |
| Gelato Tech Holding AS | Information & communication | 2022 |
| Geld Holding AS | Professional & scientific | 2021 |
| Geli AS | Information & communication | 2024 |
| Gem Consulting AS | Professional & scientific | 2025 |
| Gem Studio SA | Real estate | 2024 |
| Gemallo AS | Real estate | 1995 |
| Gemamo Holding AS | Information & communication | 2018 |
| Gemanor Ans | | 1989 |
| Gemene Hop AS | Hospitality | 2021 |
| Gemina AS | Financial services | 2016 |
| Gemina Navis Partners AS | | 2024 |
| Geminali AS | Professional & scientific | 1986 |
| Gemit AS | Professional & scientific | 1988 |
| Gemo Futura AS | Construction | 2008 |
| Gemo Holding AS | | 2020 |
| Gems Eiendom AS | Real estate | 1997 |
| Gemsafe AS | Professional & scientific | 2024 |
| Gemsys AS | Wholesale & retail | 1984 |