| Name | Type | Versions | Avg. | User |
|---|---|---|---|---|
| Bitmonster | Game company | Game developer | - | - |
| BitRaider | Game company | Commerce | - | - |
| Bizarre Creations | Game company | Game developer | - | - |
| Black Bean | Game company | Game developer | - | - |
| Black Forest Games | Game company | Game developer | - | - |
| Black Friday | Game company | Commerce | - | - |
| Black Hand Studio | Game company | Game developer | - | - |
| Black Hole Entertainment | Game company | Game developer | - | - |
| Black Isle Studios | Game company | Game developer | - | - |
| Black Pants Game Studio | Game company | Game developer | - | - |
| Black Rock Studios | Game company | Game developer | - | - |
| Black Troll Studios | Game company | Game developer | - | - |
| Black Tusk | Game company | Game developer | - | - |
| Black Wing Foundation | Game company | Game developer | - | - |
| BlackBerry 10 | Game company | Game publisher | - | - |
| Blackbird Interactive | Game company | Game developer | - | - |
| Blackbird Interative | Game company | Game developer | - | - |
| Blackfoot Studios | Game company | Game developer | - | - |
| BlackMoon Design | Game company | Game developer | - | - |
| Blacksmith Games | Game company | Game developer | - | - |
| Blacksword Games | Game company | Game developer | - | - |
| Blade Games World | Game company | Game developer | - | - |
| Blaze | Game company | Game product manufacturer | - | - |
| BLAZEgear | Game company | Commerce | - | - |
| BlazeJam 2012 | Game company | Commerce | - | - |
| Blazing Bit Games | Game company | Game developer | - | - |
| Blazing Griffin | Game company | Game publisher | - | - |
| Blender 3D | Game company | Game product manufacturer | - | - |
| Blendo Games | Game company | Game developer | - | - |
| Blind Eye Games | Game company | Game developer | - | - |
| Blind Eye Games | Game company | Game publisher | - | - |
| Blitz | Game company | Game developer | - | - |
| Blitz 1UP | Game company | Game publisher | - | - |
| Blitz Games | Game company | Game developer | - | - |
| Blitz Games Studios | Game company | Game developer | - | - |
| Blitz Games Studios | Game company | Game publisher | - | - |
| Blizzard | Game company | Game developer | - | - |
| Blizzard | Game company | Game publisher | - | - |
| Blizzard Entertainment | Game company | Commerce | - | - |
| Blizzcon 2010 | Game company | Commerce | - | - |
| BlizzCon 2011 | Game company | Game developer | - | - |
| BlizzCon 2011 | Game company | Commerce | - | - |
| BlizzCon 2013 | Game company | Commerce | - | - |
| Blockbuster | Game company | Commerce | - | - |
| Bloober Team | Game company | Game developer | - | - |
| Bloober Team | Game company | Game publisher | - | - |
| Blossom Minds | Game company | Game developer | - | - |
| Blud Works | Game company | Game publisher | - | - |
| Blue Castle Games | Game company | Game developer | - | - |
| Blue Castle Games | Game company | Game publisher | - | - |
| Blue Fang Games | Game company | Game developer | - | - |
| Blue Manchu | Game company | Game developer | - | - |
| Blue Ocean | Game company | Game product manufacturer | - | - |
| Blue Tongue | Game company | Game developer | - | - |
| BlueByte | Game company | Game developer | - | - |
| BlueFox Game Studios | Game company | Game developer | - | - |
| BlueGiant Interactive | Game company | Game developer | - | - |
| Bluehole Studio | Game company | Game developer | - | - |
| Bluepoint Games | Game company | Game developer | - | - |
| BLUESIDE | Game company | Game developer | - | - |
| BLUESIDE | Game company | Game publisher | - | - |
| Bluestacks | Game company | Commerce | - | - |
| Bohemia Interactive Studios | Game company | Game developer | - | - |
| BonusXP | Game company | Game developer | - | - |
| BonusXP | Game company | Game publisher | - | - |
| BOOM! Studios | Game company | Commerce | - | - |
| BoomBang Games | Game company | Game developer | - | - |
| Boomlagoon | Game company | Game developer | - | - |
| Booyah, Inc. | Game company | Game developer | - | - |
| Booyah, Inc. | Game company | Game publisher | - | - |
| Borne Games | Game company | Game developer | - | - |
| Bossa studios | Game company | Game developer | - | - |
| Bossa studios | Game company | Game publisher | - | - |
| Boston Festival of Indie Games | Game company | Commerce | - | - |
| Boston FIG | Game company | Commerce | - | - |
| Bplus | Game company | Game developer | - | - |
| BradyGames | Game company | Game product manufacturer | - | - |
| Brain and Nerd | Game company | Game developer | - | - |
| Brain Candy | Game company | Game developer | - | - |
| Brasil Game Show 2011 | Game company | Commerce | - | - |
| Brasil Game Show 2011 | Game company | Game developer | - | - |
| Brasil Game Show 2011 | Game company | Investment | - | - |
| Bravo Game Studios | Game company | Game publisher | - | - |
| Brawesome | Game company | Game developer | - | - |
| Brawsome | Game company | Game developer | - | - |
| Brawsome | Game company | Game publisher | - | - |
| Brazil Game Show | Game company | Commerce | - | - |
| Breakfall | Game company | Game developer | - | - |
| Bridea | Game company | Game developer | - | - |
| Bright Future | Game company | Game developer | - | - |
| Brightside Games | Game company | Game developer | - | - |
| Britain’s Fastest Family Tournament | Game company | Commerce | - | - |
| British Telecom | Game company | Commerce | - | - |
| Brizio Interactive | Game company | Game developer | - | - |
| Broken Crown Games | Game company | Game developer | - | - |
| Broken Rules | Game company | Game developer | - | - |
| BrownBot | Game company | Game developer | - | - |
| Brownie Brown | Game company | Game developer | - | - |
| Brownies | Game company | Game developer | - | - |
| Browser Games | Game company | Game developer | - | - |
