| Bergstrom SEO, Inc. | British Columbia |
| Berkshire International Finance, Inc. | Ontario |
| Bernard’s Security Access Ltd | |
| Berqun | |
| Bersoft | Nova Scotia |
| Berteig | Ontario |
| Bertuch | Quebec |
| Berzerk Studio | Quebec |
| Beslogic | |
| BespokeTech.ca | Ontario |
| Best Buy Canada Ltd | British Columbia |
| Best Choice Automotive Ltd | |
| Best Fit For I.T. | Ontario |
| BEST Funds | Ontario |
| Best Light Communication | Ontario |
| Best Marketing Network, Inc. | Nova Scotia |
| Best Reliable Hosting | Ontario |
| Best Seo Company Canada.com | Ontario |
| Best Websites! | |
| Bestech Electronics | Alberta |
| Bestlane, Inc. | Ontario |
| Bestsoft Control of Canada Ltd | Alberta |
| BestView Web Design | Ontario |
| BET Services, Inc. | Ontario |
| Beta Collective | |
| Beta Systems Services Accessories | Ontario |
| BetaKit | Ontario |
| BetaWatch, Inc. | Ontario |
| Better Capital Corporation | |
| Better Impact, Inc. | |
| Better Mousetrap Marketing | British Columbia |
| Better Software | |
| Better Workplace | Alberta |
| Betterez | |
| BetterLife Pharma | British Columbia |
| BetterVIEW Consulting | British Columbia |
| Bevertec CST, Inc. | Ontario |
| Bewave | Quebec |
| BeWebSeen | Quebec |
| Beyond 20/20, Inc. | Ontario |
| Beyond Media | |
| Beyond Wireless, Inc. | Ontario |
| Beziland | |
| bg I.T. Solutions, Inc. | Ontario |
| BGF Enterprise Services | |
| BGL Group | Ontario |
| BGM Informatique, Inc. | Quebec |
| BGR Informatique, Inc. | Quebec |
| BH Tech | Saskatchewan |
| Bhatt Technology Contractors | Alberta |