- GrandCellar
- GRANDE FOOTBALL PRODUCTS
- Grandview
- Granest
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- GRAPHT
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- green
- Green Parks
- Green Wood
- GreenLabel
- Griffin Technology
- GRIND（スカルキャンディー）
- Groumena
- GSI
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- Gumdrop
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- h.ear
- H＆
- H＆Y
- H2 ONEST
- Hacoa
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- HAMAKEN WORKS
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- Hamee iFace iFace First Class
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- HANSHUMY