| Blue Edge Tech | British Columbia |
| Blue Flamingo | Ontario |
| Blue J Legal, Inc. | |
| Blue Labs | Quebec |
| Blue Line Innovations, Inc. | Ontario |
| Blue Line IT Solutions | Ontario |
| Blue Link Associates Ltd | Ontario |
| Blue Link SEO | Ontario |
| Blue Lion Labs | |
| Blue Lizard Games, Inc. | Quebec |
| Blue Meta Measurable Marketing | |
| Blue Ocean Interactive Marketing, Inc. | Alberta |
| Blue Screen | British Columbia |
| Blue Shark Solution, Inc. | Manitoba |
| Blue Sky Net | Ontario |
| Blue Solutions Canada | |
| Blue System Integration Ltd | British Columbia |
| Blue Tide | Ontario |
| Blue Vision Capital | |
| Blue Wolf Design Group | Newfoundland and Labrador |
| Blue-Mark Management Consultants | |
| BlueBear LES | Quebec |
| Bluebee Software, Inc. | Quebec |
| Bluebirdnet Internet Services | Quebec |
| BlueBrain Creative | British Columbia |
| blueC 802, Inc. | Ontario |
| BlueCamroo, Inc. | Ontario |
| BlueCat Networks | Ontario |
| Bluecore Media | |
| Bluecouch Software, Inc. | British Columbia |
| Bluedot Marketing, Inc. | Ontario |
| Bluedot Studio Ltd | Ontario |
| BlueDot, Inc. | |
| Bluedrop ISM | Newfoundland and Labrador |
| Bluedrop Training & Simulation | Nova Scotia |
| Bluelight Analytics, Inc. | |
| BlueMarvel | |
| BlueMoon Productions, Inc. | Ontario |
| Blueprint Corporation | Alberta |
| Blueprint Digital Marketing & SEO | |
| Blueprint Software Systems, Inc. | Ontario |
| Blueprof Consulting | British Columbia |
| BlueRush, Inc. | Ontario |
| Bluesky Equities Ltd | |
| BlueSky Tech | British Columbia |
| BlueStar, Inc. | Quebec |
| Bluestream | British Columbia |
| Bluetrain | Alberta |
| Bluewrist, Inc. | Ontario |
| BluFyre Media | Alberta |