| Grøtting Dyretransport AS | Hernes | 2012 |
| Grøtting Olje AS | Elverum | 2012 |
| Grøvelsjøns Båt Og Scootertrafikk Ans | Drevsjø | 2001 |
| Grünerløkka Flyttebyrå AS | Oslo | 2016 |
| GS Bulktransport AS | Lierskogen | 1988 |
| GS Galatasaray AS | Haugesund | 2020 |
| GS Holding Group AS | Klepp Stasjon | 2019 |
| GS Logistikk AS | Klepp Stasjon | 2025 |
| GS Montage & Konsult AB Nuf | Se-672 41 Töcksfors | 2025 |
| Gse Shipping I AS | Fitjar | 2011 |
| Gse Shipping I KS | Fitjar | 2011 |
| GST Group AS | Grimstad | 2020 |
| GT Bil & Berging AS | Bøvågen | 2019 |
| GT Buss AS | Skodje | 2012 |
| GT Distribusjon AS | Ålesund | 2005 |
| GT Frakt AS | Støren | 2025 |
| GT Logistikk AS | Oslo | 2021 |
| GT Rent AS | Sandnes | 2024 |
| GT Service AS | Randaberg | 2016 |
| GT Transport & Kran AS | Åsmarka | 2023 |
| GT Transport AS | Gjerdrum | 2024 |
| GT Transport Da | Gjerdrum | 2020 |
| GT Transport Øverbygd AS | Øverbygd | 2013 |
| Gta Sørlandsbudet AS | Kristiansand S | 2024 |
| GTL Greentechlogistics Aps | Dk-2100 København Ø | 2023 |
| GTS Logistics AS | Skedsmokorset | 2026 |
| Gudbrand Bjone AS | Bjoneroa | 1990 |
| Gudbrandsdal Betongtransport AS | Kongsvinger | 2006 |
| Gudbrandsdal Bilberging AS | Dombås | 1996 |
| Gudbrandsdal Frakt AS | Otta | 2001 |
| Gudbrandsdal Lufthavn AS | Heidal | 1985 |
| Gudbrandsdal Transport Og Spedisjon AS | Vinstra | 1986 |
| Gudmestad Transport AS | Sandnes | 2000 |
| Gudmundsen Transport AS | Oslo | 2013 |
| Gudvangen Småbåtlag AS | Voss | 2004 |
| Guilty Drammen AS | Drammen | 2024 |
| Gulbjørnrud Eiendom AS | Fagerstrand | 2011 |
| Gulen Taxi AS | Dalsøyra | 2010 |
| Gulenskyss AS | Loddefjord | 1999 |
| Gulenskyss Management AS | Loddefjord | 2025 |
| Guler AS | Bryne | 2025 |
| Gulf Offshore North Sea Ltd | Aberdeen Ab11 5Pq Scotland | 1998 |
| Gulf Support AS | Oslo | 2024 |
| Guli AS | Jar | 2020 |
| Gull Sailor AS | Rørvik | 2012 |
| Gull Shipping AS | Rørvik | 2006 |
| Gulla Transport AS | Surnadal | 2008 |
| Gullbring Transport Ans | Notodden | 1997 |
| Gullfaxi AS | Oslo | 2025 |
| Gulliksen AS | Drammen | 1996 |
| Gulliksen Holding AS | Drammen | 2005 |
| Gullikstad AS | Haltdalen | 2025 |
| Gullingsrud Turbuss AS | Nesbyen | 2012 |
| Gulstad & Skånøy AS | Fauske | 2026 |
| Gulstad AS | Fauske | 2021 |
| Gundal AS | Holter | 2018 |
| Gundersen Maskin & Transport AS | Kvaløya | 1999 |
| Gunnar Aarli AS | Birkeland | 2020 |
| Gunnar Aasen Transport AS | Namsos | 1995 |
| Gunnar Fredriksen Transport AS | Hansnes | 1994 |
| Gunnar Knutsen AS | Skui | 2007 |
| Gunnar Valde Thermotransport AS | Skodje | 2004 |
| Gunnars Transport AS | Tverlandet | 2000 |
| Guran AS | Haslum | 1998 |
| Gurid AS | Nesøya | 2006 |
| Gusta AS | Hagan | 2022 |
| Gustav Eidsvåg Containertransport AS | Haugesund | 2023 |
| Gustav Eidsvåg Langtransport AS | Haugesund | 2011 |
| Gustav Sande Transportservice AS | Erdal | 1991 |
| Gustavsen Små Transport AS | Larvik | 2025 |
| Gustavsens Transport AS | Larvik | 1981 |
| Guttelvik Transport AS | Hegra | 2024 |
| Guttormsen AS | Tana | 2015 |
| Guttormsen Ev AS | Tana | 2025 |
| GVT AS | Jaren | 2024 |
| Gxo Logistics Norway AS | Oslo | 2024 |
| Gyamfi Service AS | Ræge | 2019 |
| GZ Byggmaster AS | Kalandseidet | 2026 |
| Gravvik Sjøtransport AS | Ottersøy | 1988 |
| Göstas Buss I Umeå AB | Se-905 86 Umeå | 2024 |
| Göteborgs Fryshus Aktiebolag | Se-451 02 Göteborg | 2023 |
| Göteborgs Fryshus Service AB | Se-451 02 Göteborg | 2023 |
| Götes Transport Service AS | Magnor | 2022 |
| Günther Transport AS | Rygge | 2014 |
| H Betongpumping AS | Barkåker | 2007 |
| H F Tømmertransport AS | Setskog | 2014 |
| H Hannevold Transport AS | Sundbyfoss | 1996 |
| H Kristiansen & Sønner AS | Moss | 1989 |
| H M Kristiansens Automobilbyrå AS | Oslo | 2016 |
| H Mohamed Invest Nuf | Oslo | 2023 |
| H Strøm AS | Spikkestad | 1976 |
| H Strøm Holding AS | Sande I Vestfold | 2005 |
| H Transport AS | Oslo | 2017 |
| H&N Holding AS | Bergen | 2021 |
| H-A-S.Transport AS | Larvik | 2022 |
| H-Bird Aviation Services Norway AS | Gardermoen | 1991 |
| H. B. Lysholm AS | Tiller | 2018 |
| H. Garaas AS | Hokksund | 2018 |
| H. Grøntvedt AS | Trondheim | 2020 |
| H. J. Kløften AS | Tydal | 2012 |