Bedrift G - Kjelsås
- Gamepartner AS
- Geirmund AS
- Gøyalt AS
- Grunderformelen AS
- Ghamsharik
- Glågen AS
- Groven Media
- Gyda Bedriftsservice AS
- Greging Ketil
- Geo-58 AS
- Grüner Eiendom AS
- Grethe Børsum
- Greging Seniorkonsult
- Grefsen Arbeiderpartilag
- Gylseth Invest AS
- Green Pine AS
- Gyri Nævdal
- Guru Utvikling AS
- Gaukstad Haakon
- Gislerud Holding AS
- Gap Gear AS
- Gislerud Eiendom AS
- Galåen Holdings
- Gitte Flemming
- Golden Peaks AS
- Grethe Myklebust
- Glomnes Holding AS
- Gulldalen Barnehage
- Geo Solution AS
- Gunderson Olaf
- Grefsen Renholdsservice AS
- Gotaas Mkr
- Gustav Rydberg
- Gukka Holding AS
- Gledelig Holding AS
- Grains Frysja AS
- Green Sleep Norge AS
- Garderobefosilene Grefsen Kjelsås
- Groven Web Solutions
- Graff & Graff AS
- Geirmund Barsnes Arkitektur
- Gunn Asveig Manflå
- Grefsenkollvn 1&3 BS
- Grefsenkollvn 1&3 B/S
- Gry Anette Meiner
- Grieg Viig Invest AS
- Gloslie E-Handel
- Gunhild Alvik Nyborg
- Gustav Rydberg Consulting
- Geir Erik Kreken
- Geir Arne Myren
- Grønn Hage - Gartner Bårdsen
- Grønt Kompetanse V/Jens Strøm
- Gar Soor / Ainashe
- Gjelsvik Kurs og Undervisning
- Gyltenäs Consult & Holding AS
- Grefsen, Kjelsås og Omegn Sanitetsforening
- God Skole Paul Viktor Wiker
- Garasjelag Langsetveien 16-22 Sameie
- Garasjelag Langsetveien 16-22 Sameie
- Guro Rognerud Gaarder Helse Coaching
- Grefsenkollen Boa Grefsenkollen Bolig og Avlastning