| Geir Nysveen Holding AS | Brumunddal | 2014 |
| Geir Og Line Utleie AS | Råde | 1993 |
| Geir Olsen Maskin AS | Flakstadvåg | 2014 |
| Geir Stangeland Holding AS | Sandnes | 2005 |
| Geir Storeng AS | Oslo | 1993 |
| Geir Sørmoen Holding AS | Jessheim | 2004 |
| Geiranger Adventure AS | Geiranger | 2010 |
| Geiranger Cruise Handling AS | Geiranger | 2001 |
| Geitryggen AS | Koppang | 2022 |
| Geli Mea AS | Kolvereid | 2008 |
| Gema Renhold Ans | Søfteland | 1990 |
| Gemidan | Dk-9320 Hjallerup | 2011 |
| Gemini Chartering Ltd | Vg-Road Town Tortola | 2016 |
| General Electric Company Polska SP. Z.O.O | 526 10 30 824 Warzawa | 2012 |
| General Finans AS | Trondheim | 2006 |
| General Finans Holding AS | Trondheim | 2007 |
| Generate International Norway AS | Oslo | 2021 |
| Genesis Funding Norway 1 AS | Oslo | 2007 |
| Genesis Oil & Gas Consultants Pty Ltd | Au-6000 Perth | 2013 |
| Genre AS | Vognill | 1987 |
| Genuint AS | Vanvikan | 2021 |
| Geo Drilling Consultants Limited | Pl25 4T St Austell | 2013 |
| Geo Equipment AS | Ålesund | 2018 |
| Geo Rental AS | Oslo | 2022 |
| Geo Technical Services | Llay, Wrexham, Ll 12 Onw | 2011 |
| Geo Vessels AS | Laksevåg | 2010 |
| Geo-Bor SP. Z O.O. | Pl-80-225 Gdansk | 2017 |
| Geofocus Trend SRL | Ro-510154 Alba Lulia Municipality | 2021 |
| Geofood-International AS | Egersund | 2023 |
| Geomarine Innovation Asia Pacific Pte. Ltd | Singapore | 2008 |
| Geometric Limited | Mumbai 400079 | 2009 |
| Geometrix AS | Tromsdalen | 1988 |
| Georg Stangeland AS | Ræge | 1993 |
| George P. Johnson (United Kingdom) Limited Nuf | Fornebu | 2015 |
| Geostrøm Maskin AS | Undrumsdal | 2017 |
| Geotech Consultants Limited | Great Yarmounth Nr31 9Jw England | 2010 |
| Geotermica AB (Publ) | 436 50 Hovås | 2011 |
| Geranium Eiendom AS | Oslo | 2019 |
| Geranium Hagedesign AS | Oslo | 2023 |
| Gerlach Prosjekt AS | Aurskog | 2024 |
| German Car Club Norway AS | Lillestrøm | 2023 |
| Germansen Maskinværksted Nuf | Sandnes | 2002 |
| Geronimo Invest AS | Ås | 2020 |
| Gert Are Solli AS | Vinstra | 2008 |
| Gerzic Holding AS | Øyer | 2020 |
| Gestalt Arena Da | Stavanger | 2006 |
| Get Africa AS | Søgne | 2006 |
| Get Around Tromsø AS | Tromsø | 2018 |
| Get Backline AS | Krokstadelva | 2023 |
| Get Power AS | Sandnes | 2024 |
| Get Things Done AS | Oslo | 2014 |
| Getagripp AS | Namdalseid | 2025 |
| Getguidednorway AS | Stavanger | 2023 |
| Getinge Sverige AB Nuf | 402 72 Göteborg | 2024 |
| Getty Images Norway AS | Oslo | 2010 |
| Gevelt Maskinutleie AS | Hokksund | 2025 |
| Gevingåsen Auto AS | Hell | 2014 |
| Gevity Assets AS | Sola | 2026 |
| Gexpo AS | Revetal | 2022 |
| GF Gruppen Invest AS | Bø I Telemark | 2024 |
| GF Invest AS | Oslo | 2025 |
| GF Resorts AS | Oslo | 2025 |
| GFR AS | Melsomvik | 1986 |
| GFZ Gesellschaft Für Zentralmontagen MBH | D-21682 Stade | 2012 |
| GG Eigedom AS | Stord | 2013 |
| GG Eigedom Syvde Ans | Syvde | 1990 |
| GG Golf AS | Porsgrunn | 2025 |
| GH Bemanning Og Rekruttering AS | Jevnaker | 2014 |
| GH Companies AS | Harstad | 2024 |
| GH Multi AS | Harstad | 2024 |
| GH Utleie AS | Steinkjer | 2018 |
| GHL Eiendom AS | Skien | 2011 |
| GHL Gruppen AS | Skien | 2005 |
| GHL Hage & Landskap AS | Skien | 1999 |
| Ghl-Utleie AS | Skien | 2011 |
| Ghost Gear Solutions AS | Hundvåg | 2025 |
| Gi Group Norge AS | Oslo | 2026 |
| Gia AS | Vestnes | 2017 |
| Gia Holding AS | Kragerø | 2020 |
| Giant Global Payroll Aps Nuf | Dk-2100 København Ø | 2024 |
| Gier Montage | Nl-2671 Ah Naaldwijk | 2012 |
| Gigass AS | Gjøvik | 2007 |
| Gigi Renhold AS | Bardufoss | 2024 |
| Giitu AS | Alta | 2023 |
| Gilhus Utvikling AS | Spikkestad | 2004 |
| Ginmonopolet AS | Voss | 2022 |
| Gir Om AS | Beitstad | 2020 |
| Gir Tilbake AS | Kristiansand S | 2020 |
| Giraff AS | Svartskog | 2015 |
| Girls in Nature Guiding AS | Skei I Jølster | 2025 |
| Giroservice AS | Paradis | 2001 |
| Giske Recording Studio AS | Giske | 2010 |
| Gislevold AB | Se-681 92 Kristinehamn | 2026 |
| Gisna Eiendom Da | Oppdal | 2007 |
| Gisp Denmark Aps | Dk-4623 Lille Skenved | 2014 |
| Gitmark Utleie AS | Lillesand | 2023 |
| Giulia Al Polo AS | Longyearbyen | 2026 |
| Gizela's Rengjøring AS | Dombås | 2021 |
| Giæver Base AS | Tromsø | 2017 |
| Giæver-Berg Da | Oslo | 2000 |