- G.Skill
- G3Ferrari
- Gaggia
- Galison
- Gallimard
- Gallimard-Jeunesse
- Gallimard-Jeunesse Giboulées
- GALLMEISTER
- Game
- Game Mill
- Game Odyssey Ltd.
- Gameflow
- GameMill
- GameMill Entertainment
- Gamersheek
- Games
- Games Workshop
- GameSir
- Gametrust
- Gaming
- GAMING FACTORY
- GARANTIA
- Gardena
- Garmin
- GARRETT
- GATHERING OF DEVELOPERS
- Gator
- Gazinox
- Gearbox
- Gearbox Publishing
- GEM
- Gembird
- Gemsound
- Generique
- Genius
- GEO
- Gérard Debuigne François Couplan Thierry Folliard
- Gérard Liozon Nicolas Michel
- Getac
- GHD
- Ghost
- Giants Software
- GIGABYTE
- GIGAMIC
- Gigaset
- GIOC
- Giochi Preziosi
- Gioteck
- Gipsy
- Girmi
- Gl?nat
- GLENAT
- Globber
- Godox
- Goki
- GOLI
- Goliath
- goobay
- Good Loot
- Goodram
- GoPro
- Gorenje
- GOST
- Goula
- Govee
- GPD
- GRADO
- Graef
- Graine créative
- Grandstream Networks
- Grasset
- GRAVITY
- Green Delta
- Greenstar
- Greenworks
- Greenworks Tools
- Grey Box
- Grimaud
- GRRRE GAMES
- Grund
- Grundig
- Grunkel
- Grupo Erik
- GS2 Games
- Gudsen
- Gueray
- Guerres et histoire
- Guess
- Gui-gui
- Gulli
- Gunnar
- GUST
- GUY TREDANIEL
- GYPI
- GYS
