| Botni.Vision, Inc. | |
| Botpress | Quebec |
| Boum Design | Quebec |
| Boumgrafik | |
| Bounce Design | Manitoba |
| Bounce Health Innovation | |
| Bound State Software, Inc. | British Columbia |
| Boundless Accelerator | |
| Boundless Discovery, Inc. | |
| Bourget Infographiste | Quebec |
| Bourget Infographiste/Conception web | |
| Bourque Industrial Ltd | |
| Bourque Télécom, Inc. | Quebec |
| Bourse de Montréal, Inc. | |
| Boutique JC Info | Quebec |
| Boutique Présence | Quebec |
| Boutique ProWeb Store | |
| BoutiqueABC | Quebec |
| Bow River Networks, Inc. | Alberta |
| Bow Valley College | Alberta |
| Bow Valley Computers, Inc. | Alberta |
| Bowco Computer Services | Northwest Territories |
| BOWEN Group | Alberta |
| Bowery Creative | |
| Bowes IT Solutions | Ontario |
| Box Clever, Inc. | Alberta |
| Box5 Software | Ontario |
| BoxOne Ventures, Inc. | |
| BP Automation | Alberta |
| BR Thompson Company | British Columbia |
| Brace Systems, Inc. | |
| Brace Yourself Games | British Columbia |
| Bracher-Automation | Quebec |
| Brackish Games | |
| Bragain Bytes | British Columbia |
| Brain Canada Foundation | |
| Brain Tech, Inc. | |
| Brain Vision Solutions | Quebec |
| BrainBox AI | Quebec |
| Braindate | |
| Brainforce Computer Solutions | British Columbia |
| Brainframe Computer Services, Inc. | Ontario |
| Brainhunter Systems Ltd | Ontario |
| Brainrider | |
| BrainStation, Inc. | Ontario |
| Brainstormers Group Ltd | |
| Braintory AI | |
| Brainvire Infotech, Inc. | |
| BrainVision | |
| BrainWorks | |