Directory
| Company | Industry | City |
| B44MEDIA | Toronto | |
| Bar Harbour Films | Pickering | |
| Barking Dog Studios | Guelph | |
| Barroll Law Office | Toronto | |
| Bathijatan | Toronto | |
| Batipi Corporation | Toronto | |
| BattleGoat Studios | Lynden | |
| Bedlam Games Inc. | Toronto | |
| Beevision Productions | Toronto | |
| Bell Broadcast and New Media Fund | Toronto | |
| Bell Sympatico | Toronto | |
| BernClare Multimedia Inc. | Markham | |
| Big Blue Bubble | London | |
| Bioniq | Professional Services | Nepean |
| Bitcasters Inc | Toronto | |
| BITE Television | Mississauga | |
| Blind Mice Media | Toronto | |
| BlogMatrix | Toronto | |
| Bloo&Wite Media Inc. | Music Publishing | Toronto |
| Bluedrop Performance Learning | Ottawa | |
| Bold Internet Solutions | Toronto | |
| BookShorts | Toronto | |
| Boomstone Entertainment Inc. | Nepean | |
| Borden Street Productions | Toronto | |
| Boxx3g – Interactive Advertising Agency | Toronto | |
| Breakthrough New Media | Toronto | |
| Brightlights | Professional Services | Toronto |
| BrightSail.com | Toronto | |
| Brock University | Social, Cultural and Arts | St. Catharines |
| Bruce Telecom | Tiverton | |
| Bryan Mills Group | Toronto | |
| Bumper Crop Productions | Toronto | |
| Bumstead Productions | Toronto | |
| Bunny Ears TV | Television, Broadcasting | Toronto |
| Buzz Interactive | Toronto |
