| Black Prism | Developer | |
| Black Refactory | Developer | |
| Black River Studios | Developer | |
| Black Rock Studio | Developer | |
| Black Rock Studios | Developer | |
| Black Run Software (H. Ziehms) | Developer | |
| Black Seven Studios | Developer | |
| Black Shamrock | Developer | |
| Black Sheep | Developer | |
| Black Sheep Studio | Developer | |
| Black Shell Games | Developer | |
| Black Shell Media | Publisher | |
| Black Ship Games | Developer | |
| Black Sun Game Publishing | Publisher | |
| Black Tower Studios | Developer | |
| Black Vein Productions | Developer | |
| Black Widow Games | Developer | |
| Black Wing Foundation | Developer | |
| BlackAngleGames | Developer | |
| BlackArmada | Developer | |
| BlackBean Games | Publisher | |
| BlackBoltGames | Developer | |
| BlackCastle | Developer | |
| BlackChiliGoat Studio | Developer | |
| BlackDotLabs | Developer | |
| BlackDragonBE | Developer | |
| BlackFoxx | Developer | |
| BlackHelmet_Games | Developer | |
| BlackJack2893029 | Developer | |
| BlackJellyCat | Developer | |
| BlackLambert | Developer | |
| BlackLock | Developer | |
| BlackMoon Studios | Developer | |
| BlackMuffin Studio | Developer | |
| BlackQuiltro | Developer | |
| BlackSmite | Developer | |
| BlackStar Interactive | Publisher | |
| BlackUlrich | Developer | |
| Black_Dragon_Be | Developer | |
| Blackberry & Holly | Developer | |
| Blackberry Jam | Developer | |
| Blackbird Interactive | Developer | |
| Blackcatgames4 | Developer | |
| Blackcross & Taylor | Developer | |
| Blackety | Developer | |
| Blackfire Games | Developer | |
| Blackjack | Developer | |
| Blacklight Interactive | Developer | |
| Blacklight Interative | Developer | |
| Blackmill Games | Publisher | |