| Brizi, Inc. | Ontario |
| BRNT Designs | |
| Broad Reach Communications, Inc. | |
| Broadband Surfer Canada, Inc. | Alberta |
| BroadbandTV Corporation | British Columbia |
| BroadConnect Telecom | Ontario |
| Broader Than Broadway | Ontario |
| Broadport Canada, Inc. | Alberta |
| Broadview Networks | Manitoba |
| Broadview Software | Ontario |
| BroadView Software, Inc. | Ontario |
| Brock Electronics Ltd | Ontario |
| Brock University | Ontario |
| Brock University - Computer Science Department | Ontario |
| Brock University - Department of Mathematics and Statistics | |
| Brock University - Information Technology Services | Ontario |
| Brock University - Mathematics Department | Ontario |
| Brockton Electronics Ltd | British Columbia |
| Broker Link Software, Inc. | British Columbia |
| Brome Conseil | Quebec |
| Brooding Artist Website Design | Alberta |
| Brooke Telecom Co-operative Ltd | Ontario |
| Brossard Informatique | |
| Brother International Corporation (Canada) Ltd | Quebec |
| Brown & Associates Consulting Group, Inc. | Ontario |
| Brown Communications Group | Alberta |
| Brownell Networks Group | Nova Scotia |
| Browse AI, Inc. | |
| Broy Engineering Ltd | Ontario |
| Bruce Durward | Ontario |
| Bruce Telecom | Ontario |
| Bruce-Grey Linux Users Group | Ontario |
| Brunelle Électronique & Informatique | Quebec |
| BrunNet | New Brunswick |
| Brushfire Design | Ontario |
| Brushfire North | Ontario |
| Brutal Studio | Quebec |
| BSC Solutions Group Ltd | Ontario |
| BSD Networks | Ontario |
| BSI Labs | Ontario |
| BSides Halifax | |
| Bskyline Technology Solutions Ltd | Ontario |
| BSM | Ontario |
| Bsuperior System Ltd | British Columbia |
| Bubblebox | British Columbia |
| BubbleUP Marketing Corporation | Alberta |
| Buckzy Payments, Inc. | Ontario |
| Budge Studios, Inc. | Quebec |
| Budge Studios, Inc. | |
| Budget Electronics | Ontario |