J
- J.A. Delinski - Board games
- Jaques of London - Board games
- JagdPanther (company) - Wargames
- James Ernest Games - Board and card games
- Jax Games - Board games
- JDB Games - Board games
- Jedko Games - Wargames
- Jeux Descartes - Role-playing games
- Joc Internacional - Spanish defunct role-playing game manufacturer and publisher
- John Scarne Games Inc.
- John Wallis (publisher) - Board games
- John Wick Presents (publisher) - Role-playing games and accessories
- Johnny Reb Game Company, The - Wargames
- Jon Brazer Enterprises - Role-playing material for Traveller
- Jolly Roger Games - Miniatures
- Joseph Scoleri - Role-playing accessories
- JR Miniatures - Miniatures accessories
- Judges Guild - Role-playing accessories
- Junior Brothers - Board and card games
- Jumbo International - Board games
- Just Plain Wargames/Pacific Rim Publications - Board games and wargames
- J. W. Spear & Sons - Board games
Read more about this topic: List Of Game Manufacturers