| BioScript Solutions | |
| Biospective, Inc. | Quebec |
| BioSyent, Inc. | |
| BioTalent Canada | Ontario |
| BIOTECanada | |
| BIotonix Solution | Quebec |
| BioTwin | |
| Biovaxys Technology Corporation | |
| BioVec Pharma | |
| Biovectra | |
| BioWare | Alberta |
| BiR Consulting, Inc. | Ontario |
| Bircis | |
| BirdView Insight, Inc. | |
| Birdview PSA | Ontario |
| birkoss.com | Quebec |
| Biron Groupe Santé | |
| BIS Safety Software | |
| Bishop's University | Quebec |
| Bishop's University - Computer Science | Quebec |
| Bishop's University - Group of Research on Topology, Computation, and Imagery | Quebec |
| Bishop's University - Parallel and Real-Time Research Group | Quebec |
| Bishop’s University - Computer Science | Quebec |
| Bison & Bird | |
| Bison Customized Software and Consulting | |
| Bit Bat Studios | British Columbia |
| Bit by Bit Computer Services, Inc. | Alberta |
| Bit Space Development Ltd | |
| BIT3 | |
| Bitaccess | |
| Bitacess | Ontario |
| BitBakery | |
| Bitblock Systems, Inc. | British Columbia |
| Bitesite, Inc. | |
| Bitfarms | Quebec |
| bitFLY Design | Ontario |
| bitHeads, Inc. | Ontario |
| Bitlink Technology | Saskatchewan |
| BitLove, Inc. | |
| bitMART.net | Ontario |
| BitNational, Inc. | |
| BitQuark Technologies | |
| BitRank Verified | British Columbia |
| Bits In Glass | Alberta |
| BITS Of Knowledge | Ontario |
| Bitscore Technologies | |
| Bitswift Technology Solutions, Inc. | Ontario |
| Bittele Electronics, Inc. | Ontario |
| Biz-Line | Ontario |
| Biz-Web.ca | British Columbia |