| Gabos Hud-, Fot- Og Massasjeterapi AS | Oslo | 2016 |
| Gabriel Østråt AS | Sandnes | 1985 |
| Gabriela Hårdesign AS | Åkrehamn | 2014 |
| Galanti Dame Og Herrefrisør Ans | Vestby | 1989 |
| Galleri Heavy Metall Da | Drøbak | 2005 |
| Galleriet Frisør AS | Ås | 2018 |
| Gameify AS | Oslo | 2026 |
| Gamle Banken Frisør AS | Hokksund | 2021 |
| Gamlebyen Rens Og Vask AS | Oslo | 2017 |
| Gangnes Bil Og Deler AS | Trøgstad | 2014 |
| Gangåsvatnet Fiskelag SA | Fannrem | 1970 |
| Gappay Norge Lindahl | Gressvik | 2013 |
| Garagen Frisør Da | Larvik | 2009 |
| Garasjegutta AS | Berlevåg | 2025 |
| Garasjen Mandal AS | Mandal | 2018 |
| Garberg AS | Odda | 1993 |
| GARBERG1 AS | Buvika | 2018 |
| Garder Begravelsesbyrå AS | Vestby | 1993 |
| Gardermoen Auto Lakk AS | Gardermoen | 2023 |
| Gardermoen Bilservice AS | Gardermoen | 1989 |
| Gardermoen Hunde- Og Kattehotell AS | Maura | 2010 |
| Gash Frisør AS | Oslo | 2012 |
| Gastroconsult AS | Sandvika | 2015 |
| Gauldal Antirust AS | Singsås | 2021 |
| Gaupne Bil Og Oppretting AS | Gaupne | 1993 |
| Gaupne Bilsenter AS | Gaupne | 1999 |
| Gausdal Begravelsesbyrå Ans | Østre Gausdal | 1993 |
| Gausel Frisør Ans | Stavanger | 1991 |
| Gaø AS | Hønefoss | 2021 |
| GB Auto AS | Kragerø | 2010 |
| GB Transportservice AS | Støren | 1987 |
| GBB Grenland Bilbehandeling Ans | Stathelle | 1999 |
| Gce Ocean Technology SA | Bergen | 2013 |
| Gde AS | Klæbu | 2011 |
| Gearup AS | Dilling | 2025 |
| Gecko Holding AS | Bekkestua | 2008 |
| Geir Ivars Bilhjelp AS | Brønnøysund | 2013 |
| Geir Skeie AS | Sandefjord | 2007 |
| Geiranger Veginvest AS | Geiranger | 2020 |
| Gel Nails & Wellness Studio AS | Bergen | 2021 |
| Genesis Polymer Europe S.A. | Lu-2146 Luxembourg | 2026 |
| Gengs Verksted for Sykler AS | Brattvåg | 2009 |
| Genogl AS | Sandnessjøen | 2026 |
| Gent's Club AS | Trondheim | 2022 |
| Gentle and Strong AS | Oslo | 2021 |
| Gentle Beauty AS | Oslo | 2023 |
| Gentleman Barberstue AS | Haugesund | 2017 |
| Gentlemen's Corner AS | Skien | 2024 |
| Geo-Environmental Recruitment Limited | Tr 6Bw Truro | 2014 |
| George Graham Foundation | Inderøy | 2023 |
| Georgiana Stuff AS | Veavågen | 2024 |
| Gerds Frisør Ans | Ål | 1995 |
| Germania Performance AS | Mysen | 2021 |
| Get Fancy Frisør AS | Øvre Ervik | 2019 |
| Getzit Holding AS | Oslo | 2020 |
| Gevir Akademi AS | Oslo | 2023 |
| Gevir AS | Oslo | 2015 |
| Gevir Ateliér Polaris AS | Oslo | 2014 |
| Gevir Boutique AS | Oslo | 2017 |
| GG Cosmeceutical AS | Oslo | 2024 |
| Ghklipp AS | Mysen | 2025 |
| Gi Elektro Hvitevarer AS | Eide | 2015 |
| Giardini AS | Oslo | 2003 |
| Gib Holding AS | Skogsvåg | 2024 |
| Gildeskål Bil Og Båt AS | Nygårdsjøen | 2000 |
| Gildset Transport AS | Støren | 2012 |
| Gimle Frisør AS | Oslo | 2016 |
| Gina Helgesen AS | Skien | 2015 |
| Ginhawa AS | Husøysund | 2025 |
| Girls Education Program Sweden/Malawi | Se-434 31 Kungsbacka | 2017 |
| Giso AS | Oslo | 2018 |
| Gitara Frisør AS | Lillestrøm | 2022 |
| Gittu Da | Storslett | 2023 |
| Give AS | Eide | 2023 |
| GJ Frisør AS | Hauglandshella | 2012 |
| GJ Multiservice AS | Gran | 2022 |
| Gjellarn Lakk AS | Magnor | 2010 |
| Gjerde Felemakeri AS | Strandebarm | 2017 |
| Gjerdrum Auto AS | Gjerdrum | 2007 |
| Gjerdrum Sol & Velvære AS | Gjerdrum | 2016 |
| Gjerdrum Solstudio Da | Kløfta | 2007 |
| Gjermund Vedhus Holding AS | Eggedal | 2024 |
| Gjermundsen Auto AS | Tønsberg | 1964 |
| Gjermundsen Auto Larvik AS | Larvik | 1972 |
| Gjermundsen Bilsenter AS | Sandefjord | 1965 |
| Gjersjøen Antirust AS | Trollåsen | 2017 |
| Gjerstad Auto AS | Sundebru | 2019 |
| Gjerstad Bilverksted AS | Gjerstad | 2016 |
| Gjesdal Dyrekrematorium AS | Ålgård | 1997 |
| Gjesdal Motor AS | Ålgård | 2014 |
| GJH AS | Førde | 2005 |
| Gjølberg Bil AS | Vear | 1987 |
| Gjøvaag Investment AS | Laksevåg | 2018 |
| Gjøvik Aroma AS | Gjøvik | 2025 |
| Gjøvik Biloppretting AS | Gjøvik | 2004 |
| Gjøvik Bilverksted AS | Hunndalen | 2026 |
| Gjøvik Frisør AS | Gjøvik | 1994 |
| Gjøvik Jiu-Jitsu AS | Gjøvik | 2014 |
| Gjøvik Og Toten Vask Og Rens AS | Gjøvik | 2007 |
| Gjøvik Vulk Dekksenter AS | Hunndalen | 1990 |