By Manufacturer (G-L)
- G Factor Models
- GaiaNotes
- Gallery Models
- GasoLine
- Gaspatch Models
- GC Laser
- Gecko Models
- Gemini Jets
- Ginter Books
- Great Wall Hobby-LionRoar
- GREIF Miniatures and Accessories
- Grex
- Grey Matter
- Griffon Model
- Griffon Model Accessories
- GT Resin
- Guideline Publications
- Gunze Sangyo / Mr Hobby
- Hasegawa
- Hasegawa Tools
- HAT
- Hataka Hobby
- Hauler
- Heller
- HGW
- Histoire & Collections
- Historic Plastic Models
- HK Model
- Hobby Boss
- Hobby Fan
- HobbyDecal
- Howell Press
- HpH Models
- HS Models
- Humbrol
- I Love Kit
- IBG Models
- ICM
- Infini Model
- Infinity Models
- IsraCast
- IsraDecal
- Italeri
- Iwata
- Jaguar
- JC Wings
- Jetset Models
- JLC
- JP Hobby
- K&S Engineering
- KA Models
- Kagero
- Kangnam
- Kazan Model Dynamics
- Key Publications
- Kinetic
- Kits-World Decals
- Kitty Hawk
- Kotare
- Kotare Models
- Legend Productions
- Legends & Lore
- LifeColor
- Lionmarc Model Designs
- LiveResin
- LMG
- Loon Models
- LP Models