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| Grytnesåga Holding AS | Neverdal | 2022 |
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| Grånåsa Båt Og Reparasjon Da | Bulandet | 2003 |
| Grönbergs Mekservice AB Nuf | Se-96297 Jokkmokk | 2026 |
| Grönli Watches AS | Fauske | 2021 |
| Grøde Handverksbakeri AS | Frosta | 2026 |
| Grøndahl Maskinservice AS | Maura | 2025 |
| Grønhaug Gravminner AS | Vanse | 2023 |
| Grønland Delikatesser AS | Oslo | 2020 |
| Grønn Digital Lab. AS | Mo I Rana | 2021 |
| Grønn Emballasje AS | Rakkestad | 2008 |
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| Grønn Gjødsel AS | Rakkestad | 2010 |
| Grønn Gren AS | Sandefjord | 2005 |
| Grønnli Maskinservice AS | Verdal | 2026 |
| Grønntek Holding AS | Sandnes | 2019 |
| Grønt Drift AS | Kvelde | 2009 |
| Grønt Partner AS | Larvik | 2005 |
| Grøntfabrikken AS | Frosta | 2016 |
| Grøntkutteriet Trøndelag AS | Frosta | 2024 |
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| Grøntvedt Group AS | Uthaug | 2021 |
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| Gullpakka AS | Rolvsøy | 2018 |
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| Gullsmed Fjell Avd. Majorstuen AS | Oslo | 2026 |
| Gullsmed Fjell Avd. Vollen AS | Vollen | 2024 |
| Gullsmed Karlgård AS | Trondheim | 2006 |
| Gullsmed Liv E. Ørstavik AS | Fiskarstrand | 2023 |
| Gullsmed Unni Storm-Johannsen AS | Grimstad | 2008 |
| Gullsmia AS | Oltedal | 2025 |
| Gullsmio AS | Bremnes | 2016 |
| Gullungene Da | Gamle Fredrikstad | 2013 |
| Gulset AS | Nesbru | 2013 |
| Gulvgalleriet AS | Tønsberg | 2012 |
| Gulvprøver AS | Sagvåg | 2021 |
| Gumatimahu AS | Sola | 2021 |
| Gumatimahu Holding AS | Sola | 2021 |
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| Gundersen Galvano AS | Hafslundsøy | 2020 |
| Gundersen Reklame AS | Varteig | 2017 |
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| Gunnar Bryhni Landbruksverksted AS | Romedal | 2012 |
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| Gunnar Hippe Eiendom AS | Moelv | 2005 |