| FRB Holding AS | | 2019 |
| Fremtidens Hus AS | Construction | 2019 |
| Frestad Holding AS | | 2024 |
| Friedland AS | Real estate | 2006 |
| Frisak & Partners AS | Professional & scientific | 2005 |
| Frisør Saxen AS | Other services | 2020 |
| Frisør'N Kongsberg AS | Other services | 1997 |
| Frodes Skriveverksted AS | Arts & recreation | 2018 |
| Fugleåsen Invest AS | | 2022 |
| Fuji Sushi Kongsberg AS | Hospitality | 2014 |
| Funkelia Trading AS | Wholesale & retail | 2021 |
| Furniture Installation Service AS | Construction | 2013 |
| Furulia Svene AS | Real estate | 2013 |
| Futura One AS | Professional & scientific | 2005 |
| Future Kids AS | Wholesale & retail | 2007 |
| Fåsetbru & Kildal AS | Professional & scientific | 1996 |
| G M Invest AS | Wholesale & retail | 2005 |
| G M Magnussen AS | Wholesale & retail | 1984 |
| G Og F Van Der Veen Holding AS | Real estate | 2022 |
| G-Eiendom Ans | Real estate | 2004 |
| G. Johansen Maskin AS | Administrative & support | 2015 |
| Gamle Norge Pub AS | Hospitality | 2006 |
| Gamleveien 86 AS | Real estate | 2013 |
| Gamma Invest AS | Real estate | 1990 |
| Garaas City Kongsberg AS | Real estate | 1987 |
| Garden AS | Hospitality | 2020 |
| GASS1 AS | Wholesale & retail | 2013 |
| GASS1 Partner AS | Professional & scientific | 2017 |
| Gegrag Eiendom AS | Administrative & support | 2009 |
| Geir Skogen AS | Construction | 2018 |
| Geir Syvertsen AS | Financial services | 2005 |
| GEO247 AS | Professional & scientific | 2012 |
| Gesjoes Holding AS | Real estate | 2022 |
| Ghost Tactical AS | Professional & scientific | 2026 |
| Gig Norge Bygg Og Utleie AS | Real estate | 2026 |
| Gig Norge Gros & Trade AS | Wholesale & retail | 2013 |
| Gig Norge Holding AS | Wholesale & retail | 2013 |
| GK 12 Invest AS | | 2018 |
| GK Biff AS | Hospitality | 2021 |
| GK Pizza AS | Hospitality | 2021 |
| GKN Aerospace Norway AS | Manufacturing | 1987 |
| GKN Aerospace Norway Holdings AS | | 2026 |
| Glabak Konsulent Tjenester AS | Professional & scientific | 2011 |
| Gladheimgården AS | Real estate | 1993 |
| Glassfagtjenester AS | Education | 2022 |
| Glassmester Hogstad AS | Construction | 2022 |
| Glitre Energi Nett Eiendom AS | Real estate | 2018 |
| Global Innovation Services AS | | 2024 |
| GLOW4U AS | Wholesale & retail | 2018 |
| GM Entreprenør AS | Construction | 2006 |
| Go Promotion AS | Professional & scientific | 2025 |
| Gomsrud Handelsbygg AS | Real estate | 2015 |
| Gomsrudveien 11 AS | Real estate | 2020 |
| Gomsrudveien 132 AS | Real estate | 2011 |
| Gradmaks AS | Professional & scientific | 2023 |
| Grand Kongsberg AS | Real estate | 2017 |
| Granstugovegen SA | Agriculture & fishing | 1994 |
| Greenbay Marine Systems AS | Professional & scientific | 2025 |
| Greenguard Fire Protection AS | Professional & scientific | 2019 |
| Gregerconsult AS | Professional & scientific | 2016 |
| Grenseveien 3 AS | Real estate | 2017 |
| Grimnes & Antonsen Fjellsprengning AS | Construction | 2015 |
| Grimnes Bil Og Maskin AS | Wholesale & retail | 2020 |
| Grimnes Ingeniørtjenester AS | Professional & scientific | 2025 |
| Gro Bråthen AS | Financial services | 2005 |
| Grønboengen Auksjonsforretning AS | Wholesale & retail | 1990 |
| Grøterud Holding AS | Construction | 2006 |
| GT Eiendom AS | Real estate | 1996 |
| GTS Eiendom Da | Real estate | 2005 |
| Gudesgate Boligutvikling AS | Construction | 2018 |
| Guidant Holdings Measurement Solutions AS | Manufacturing | 2023 |
| Gulhaugen Holding AS | Professional & scientific | 1987 |
| Gulliksrud Skog Ans | Agriculture & fishing | 2016 |
| Guro J Holding AS | | 2024 |
| Guttormsengården AS | Real estate | 1992 |
| Gyldenløve Eiendom AS | Hospitality | 1998 |
| Gyldenløve Hotell AS | Hospitality | 1986 |
| H-Schmitt Holding AS | | 2024 |
| H.G. Invest AS | Real estate | 2005 |
| Ha.Maskin AS | Wholesale & retail | 2013 |
| Haakon Holding AS | Professional & scientific | 2005 |
| Hagenmarketing AS | Wholesale & retail | 2025 |
| Hallingfrakt AS | Professional & scientific | 2013 |
| Hamgaard Holding AS | Health & social care | 2021 |
| Hammar Consulting AS | Professional & scientific | 2019 |
| Harmonien Hus Og Hage AS | Wholesale & retail | 2003 |
| Has-T Invest AS | | 2021 |
| Hasty Minds Da | Information & communication | 2026 |
| Haugen Eiendomsdrift AS | Real estate | 2014 |
| Haukjem Fjellutvikling AS | Real estate | 2020 |
| Hededam Holding AS | Professional & scientific | 2021 |
| Heili Eiendom AS | Real estate | 2011 |
| Heistadmoen Industripark AS | Real estate | 2008 |
| Helge Korbu AS | Construction | 2010 |
| Helgerud Invest AS | | 2023 |
| Helite Norge AS | Wholesale & retail | 2022 |
| Hellebæk AS | Real estate | 2021 |
| Hellebæk Eiendom AS | Real estate | 2007 |
| Hellebæk Hagen a AS | Real estate | 2021 |
| Hellebæk Hagen B AS | Real estate | 2021 |