- Gaggenau
- gaianotes
- Gainward
- GALAKURO GAMING
- GALAX
- galaxxxy
- Galaxy A
- Galaxy A20
- Galaxy A8
- Galaxy Active neo
- GALAXY J
- Galaxy Z
- GALLERIA（サードウェーブ）
- GAMDIAS
- GameSir
- Gamevice
- GARIZ
- GARMIN Approach
- GARMIN fenix fenix 5
- GARMIN fenix fenix 6
- GARMIN vivoactive
- GARMIN vivomove
- GARMIN vivosmart
- GARMIN ヴィヴォアクティブ 3 ミュージック
- Gateway
- GAURA
- GAURUN
- GAZE
- Gazelle Uprise
- GE
- geanee
- GEAR MISSION
- Gear S3 frontier
- GeChic
- GeChic On-Lap
- Geekin
- GeeMo
- GeIL
- gelato pique
- Gemini