| △Nombre▼⊗ | ▲País▼≋ | ▲Provincia▼ | ▲#▼ |
|---|---|---|---|
| Gallant Knight Games | EE.UU. | Utah | 1 |
| Games Workshop | Gran Bretaña | Nottingham | 14 |
| García Peri | España | Madrid | 4 |
| Gasmask Editores | España | Málaga | 1 |
| The Gauntlet | EE.UU. | Texas | 4 |
| GDM Games | España | ¿? | 2 |
| Ediciones Géminis | España | Barcelona | 3 |
| Gente Común | Bolivia | La Paz | 1 |
| George Allen & Sons | Gran Bretaña | London | 1 |
| George Julian Houtain | EE.UU. | Brooklyn, NY. | 2 |
| Gernsback Publications Inc. | EE.UU. | Nueva York | 2 |
| Gerry de la Ree | EE.UU. | Saddle River, New Jersey | 1 |
| GH Records | España | Valencia | 1 |
Gigamesh  | España | Barcelona | 2 |
| Gilgamesh Games | EE.UU. | Washington | 1 |
| Giochi Uniti | Italia | Napoles | 1 |
| Giochix.it | Italia | ¿? | 1 |
| Golden Goblin Press | EE.UU. | Nueva York | 12 |
| Golden Gryphon Press | EE.UU. | Illinois | 1 |
| Gollancz | Gran Bretaña | Londres | 3 |
| Goodman Games | EE.UU. | Santa Clara | 14 |
| Grafton | Gran Bretaña | Londres | 1 |
| Graphiclassic | España | Madrid | 2 |
| Great Old Ones Music | ¿? | ¿? | 1 |
| Greater Than Games, LLC | EE.UU. | San Luis, Misuri | 2 |