Hersteller
- G-Star
- G.Skill
- G3 Ferrari
- Gaerne
- Gaggia
- Gaijin Entertainment
- Gainward
- Gallien-Krueger
- Gamba
- Garantia
- Garden Pleasure
- Gardena
- Gardmann
- Garmin
- Garmin-Asus
- Garmont Ski
- Gartenmeister
- Gaspo
- Gastroback
- Gateway
- Gazelle
- GData
- Gear4
- Gecube
- geemarc
- Geha
- GeIL
- Gelert
- Gelid
- Gembird
- Gemini
- Genelec
- General Electric
- General Imaging
- General Mobile
- Geneva
- Genius
- George Foreman
- Geox
- GermanMAESTRO
- Germatic
- Gerry Weber
- Gesslein
- Gestuz
- getnet
- Geuther
- Gewa
- GHD
- Ghost Bikes
- Giant
- Gibertini
- Gibson
- GigaBlue
- Gigabyte
- Gigamic
- Gio Goi
- Giochi Preziosi
- Giorgio Armani
- Gioteck
- Giottos
- Gipsy
- Giro
- Gitzo
- Givenchy
- Glancetron
- Glatz
- Glen Dimplex
- Global Producer GmbH
- Globe
- Globell B.V.
- Glockenklang
- Gloco Holzwaren
- Gloria
- GN Netcom
- Gnali & Zani
- GNR
- GOA
- Goki
- Gola
- Golden Media
- Goldkabel
- Goldsieber Spiele
- Goliath Toys
- Goodyear
- Gorenje
- Gorenje - Ora-Ito
- Gossen
- Grabner
- Graco
- Grado
- Graef
- Graf
- Gram
- Grand Canyon
- Grandhall
- Grandstream
- Grass Valley
- Graupner
- Green-Pan
- Griffin
- Grizzly
- Ground Zero
- Grundfos
- Grundig
- Gränsfors
- GSS
- GT Bicycles
- GT-Radial
- GTM
- Gucci
- Guerlain
- Guess
- Guild
- Guillemot
- Gutbrod
- Güde
- Götz