| Barracuda, Inc.: The company's publishing division, Hammerhead Entertainment, publishes adventure games and lifestyle titles for the Windows and Macintosh personal computer platforms. |
| Battleaxe Studios: British PC games developer responsible for the Survival' series. |
| Battlefront.com: Makers of Combat Mission. |
| Bavisoft Software: Develops software for the blind and visually impaired. Offers FAQ, product information, and technical support. |
| Bifrost Productions: Offers game programming and web design. |
| Big Blue Box Studios: UK-based Developer of games such as Fable. |
| BigWorld Technology: Australian computer games developer. Includes 3D client, advanced load-balancing server and world building tools. |
| Bit Managers: Official site of Game Boy Advance developers. Company and game information. |
| Black Dragon Productions: Producer of adult computer games including Riana Rouge. |
| Black Tooth Games: Developer and publisher of sports simulations. |
| Blade Interactive Studios: Manchester based computer games developer specializing in games for next generation consoles and PCs. |
| Blissware Entertainment: A German game development company. |
| Bloodlust Software: Makers of humorous old-style DOS games. |
| Blue Planet Software: Computer and video game developer. Sole agent of the Tetris brand. |
| Broadsword Interactive: Developer of Spirit of Speed. |
| Broadsword Interactive Ltd: Designs and produces computer software for the Computer and console games industry, screen savers, web design and 3d modelled illustrations for the advertising sector. |
| Bulldog Interactive: Developer of CueClub. |
| BURNS: Developers of Game Of Death and Happy Doomsday. |
| The Bitmap Brothers: Game developer of titles such as Z: Steel Soldiers, Speedball Arena, Speedball 2100, Cadaver, Chaos Engine, Chaos Engine 2, Gods, Magic Pockets, Xenon, Xenon 2: Megablast, and Xenon 2000: Project PCF. |