| Name | Types | |
|---|---|---|
| JBRobinson | Developer | |
| JBT21 | Developer | |
| JBasten | Developer | |
| JBazte | Developer | |
| JBo | Developer | |
| JBros | Developer | |
| JC Bailey | Developer | |
| JC Research Inc. | Publisher | |
| JCCO2468 | Developer | |
| JCJS games | Developer | |
| JCO | Developer | |
| JCSM Software | Publisher | |
| JContents | DeveloperPublisher | |
| JD | Developer | |
| JD Scott | Developer | |
| JDE | Developer | |
| JDERingtail | Developer | |
| JDK-LTA | Developer | |
| JDM23 | Developer | |
| JDRGames | Developer | |
| JDS | DeveloperPublisher | |
| JDWasabi | Developer | |
| JE Games | Developer | |
| JEHDStudios | Developer | |
| JEIA.CORP | Developer | |
| JEJ | Developer | |
| JEK Software | DeveloperPublisher | |
| JENNY_ | Developer | |
| JESGRAD07 | Developer | |
| JFerreira | Developer | |
| JH Games | Developer | |
| JH Specialty | Publisher | |
| JH12 | Developer | |
| JHD | Developer | |
| JHOF#64 | Developer | |
| JHauge | Developer | |
| JHawk Studios | Developer | |
| JJ | Developer | |
| JJ Game Studios | Developer | |
| JJ Gameware | Developer | |
| JJ Montes | Developer | |
| JJDizzle | Developer | |
| JJH47E | Developer | |
| JJJohnson | Developer | |
| JJamesWWang | Developer | |
| JJindori | Developer | |
| JK5000 | Developer | |
| JKClayton | Developer | |
| JKUO | Developer | |
| JLHM.XR | Developer |