| Ganddal Bydelshus SA | Sandnes | 1995 |
| Ganddal Helsehus AS | Sandnes | 1996 |
| Ganddal Næringspark AS | Trondheim | 2008 |
| Ganddal Terapi & Trening Eiendom AS | Sandnes | 2021 |
| Gandhi Eiendom AS | Nordfjordeid | 2004 |
| Ganesar Eiendom AS | Vinterbro | 2012 |
| Gangaren 10 AS | Stavanger | 2011 |
| Gangdalen Eiendom AS | Kristiansand S | 2023 |
| Gangdalen Syd AS | Kristiansand S | 2012 |
| Gange Rolv AS | Vigra | 2005 |
| Gange Rolvsg 6 AS | Oslo | 1932 |
| Gange-Rolvs Gate 1 AS | Oslo | 2018 |
| Ganger Rolf AS | Oslo | 2015 |
| Gangnes AS | Oslo | 1982 |
| Gangnæs AS | Oslo | 1991 |
| Gangnæs Eiendom AS | Bjørkelangen | 1991 |
| Gangstad Boligutvikling AS | Tiller | 2022 |
| Gangstad Eiendom AS | Tiller | 2019 |
| Gangstad Invest AS | Inderøy | 2021 |
| Gangstøklubben Eiendom AS | Oslo | 2020 |
| Gangstøvikveien AS | Ulsteinvik | 2009 |
| Gangsås AS | Harstad | 2022 |
| Gangsås Front AS | Bekkestua | 2024 |
| Gangsås Næringspark AS | Bodø | 2011 |
| Gangsås Panorama AS | Bekkestua | 2024 |
| Gangvordalsvegen SA | Eiken | 2017 |
| Gangås Grendahus A/L | Fannrem | 1995 |
| Ganhar AS | Oslo | 2014 |
| Gann Blikk Eiendom AS | Sandnes | 2006 |
| Gann Blikk Holding AS | Sandnes | 1997 |
| Gann Tre Holding AS | Nærbø | 2012 |
| Gann Tre Prosjekt AS | Nærbø | 2001 |
| Gannet AS | Nesttun | 2007 |
| Gap Eiendom AS | Skien | 2021 |
| Gap Holding AS | Straume | 2019 |
| Gapk AS | Tromsø | 2023 |
| Gara Eiendom AS | Hokksund | 2005 |
| Garaas City Kongsberg AS | Kongsberg | 1987 |
| Garanti AS | Oslo | 2013 |
| Garanti Eiendom AS | Bergen | 2015 |
| Garanti Eiendomsmegling Haugesund AS | Haugesund | 2020 |
| Garanti Eiendomsmegling Molde AS | Molde | 2019 |
| Garanti Eiendomsmegling Norge AS | Oslo | 2012 |
| Garasjeanlegget Sinsen AS | Oslo | 2008 |
| Garasjebygget Da | Vik I Sogn | 2016 |
| Garasjegutane AS | Voss | 2003 |
| Garasjehuset Arbosgate 2 AS | Oslo | 1986 |
| Garasjelag II - Hovinveien 7-9 SA | Oslo | 2019 |
| Garasjelaget Bøkeveien 1 SA | Moss | 1966 |
| Garasjelaget Skonnertveien SA | Kristiansand S | 1976 |
| Garasjen Nogva Da | Longva | 2025 |
| Garasjene AS | Nyborg | 2023 |
| Garasjeproffen AS | Bryne | 2026 |
| Garasjeselskapet Teisen Vest SA | Oslo | 1955 |
| Garatunet AS | Kragerø | 2021 |
| Garberg Invest AS | Disenå | 2005 |
| Garbo Eiendom AS | Gjettum | 2006 |
| Garbukta AS | Valestrandsfossen | 2024 |
| Garcia Eiendom AS | Skjåk | 2025 |
| Garcon Eiendom AS | Lillestrøm | 2019 |
| Gard & Østebø Eiendom AS | Talgje | 2012 |
| Gard Fysioterapi Eiendom AS | Haugesund | 2015 |
| Gard Holding AS | Talgje | 2005 |
| Gard Maskin Eiendom AS | Talgje | 2016 |
| Gard Senter AS | Haugesund | 2002 |
| Gard-Eiendom AS | Talgje | 2010 |
| Garda Invest AS | Gjøvik | 2016 |
| Garde AS | Vågå | 2019 |
| Gardenia Holding AS | Steinkjer | 2005 |
| Garder Eiendom AS | Jessheim | 2014 |
| Garder Utvikling AS | Årnes | 2021 |
| Garderbakken 27 AS | Oslo | 2024 |
| Garderbakken AS | Oslo | 2019 |
| Garderfelts-Bryggene SA | Oslo | 2007 |
| Gardermoakademiet AS | Jessheim | 2024 |
| Gardermoen Apartment 1 Ans | Oslo | 1998 |
| Gardermoen Apartment 2 Ans | Oslo | 1998 |
| Gardermoen B 1 AS | Lillestrøm | 2024 |
| Gardermoen Cargo Ans | Oslo | 2001 |
| Gardermoen Eiendom AS | Hamar | 2000 |
| Gardermoen Eiendomsutvikling AS | Bekkestua | 2012 |
| Gardermoen Elektro Eiendom AS | Jessheim | 2019 |
| Gardermoen Energi AS | Jessheim | 2022 |
| Gardermoen Entreprenør AS | Jessheim | 2024 |
| Gardermoen Etatbygg AS | Oslo | 2021 |
| Gardermoen Etatbygg Invest AS | Oslo | 2020 |
| Gardermoen Flight Academy Ans | Oslo | 2004 |
| Gardermoen Holding AS | Oslo | 2013 |
| Gardermoen Invest AS | Hamar | 1991 |
| Gardermoen Kunstlager AS | Oslo | 2021 |
| Gardermoen Logistikkbygg AS | Oslo | 2013 |
| Gardermoen Logistikkpark AS | Gjerdrum | 2024 |
| Gardermoen Logistikksenter AS | Oslo | 2015 |
| Gardermoen Nord Eiendomsutvikling AS | Lørenskog | 2022 |
| Gardermoen Nord Næringspark AS | Maura | 2007 |
| Gardermoen Næringseiendom AS | Oslo | 1999 |
| Gardermoen Næringseiendom KS | Oslo | 1999 |
| Gardermoen Næringspark AS | Gardermoen | 2022 |
| Gardermoen Næringspark II B Og C SA | Jessheim | 2017 |
| Gardermoen Park AS | Oslo | 1997 |