- G-Stone
- G-Wave
- Gabriel Editions
- Galakthorrö
- Galaxia
- Gamma Proforma
- Gammon
- Gamsonite
- Geffen
- Gemini Vid
- Gentle Threat
- Gentlemen
- Genuine
- Geographic
- Gern Blandsten
- Get Hip
- Get Physical
- Ghost Ramp
- Ghosteen Ltd, Bad Seed Ltd
- Ghostly International
- Giant
- Giant Steps
- Gift
- Gigantic
- Gigolo
- Gigors Electric
- GIRLFRIEND
- Give 'em Promotion Et La Tête De L'Artiste
- Given Productions
- Gizeh
- Gizeh Records
- Glass
- Glass Records
- Glassnote
- Glitterbeat
- Glitterhouse
- Glitterhouse Records
- Global Symphonic
- Global Underground
- Global Warning
- Gnomonsong
- Go Beat
- Go Kart
- Go! Discs
- Goatgrind
- Goatowarex
- God Mountain
- God?
- Godfather Records
- Godhead Recordings
- Goimusic
- Gold Fish
- Gold Standard Laboratories
- Golden Antenna
- Golden Egg
- Golf
- Goner
- Gonzai
- Gonzaï / Ruralfaune / Wild Valley
- Good
- GOOD Music
- Good Years
- Gooom
- Gossip
- Grabaciones En El Mar
- Graffiti
- Graham Coxon
- Grand Jury
- Grand Palais
- Grand Royal
- Grapefruit Recordclub
- Grass
- Grave Romance
- Graveface
- Gravitation
- Gravity
- Grease
- Great Barrier
- Greed
- Green Ufos
- Green United
- Greenway
- Grimsey
- Grönland
- Gross Domestic Product
- Grosse Boîte
- Grosse Rose
- Grouch
- GSB
- GSL
- GSR Music
- Guernica
- Guided By Voices
- Guided By Voices Inc.
- Gumshot
- GUN
- Guruguru Brain