| Business Cloud, Inc. | Ontario |
| Business Computer Network | Ontario |
| Business Computing Solutions, Inc. | Alberta |
| Business Council of Canada | |
| Business Icons | British Columbia |
| Business Infusions | Alberta |
| Business Innovation Technologies, Inc. | Ontario |
| Business Media | Ontario |
| Business Solutions With Integrity | Ontario |
| Business System 1 | British Columbia |
| Business Systems Lustre | British Columbia |
| Business Technology Consulting | Prince Edward Island |
| Busitech, Inc. | Ontario |
| BusPlanner.com | Ontario |
| Busy Bryan Design | Ontario |
| Button | |
| Buyatab | |
| BuyDirect Telecom | Ontario |
| BuyProperly, Inc. | Ontario |
| Buz Software, L.P. | Ontario |
| Buzz Internet Marketing | |
| Buzzit, Inc. | |
| BV Communications Ltd | British Columbia |
| BWD Systems Ltd | Ontario |
| bWEST Interactive | British Columbia |
| Bwired Technologies, Inc. | Ontario |
| Bykart Software | |
| Bymedia Design | Ontario |
| Byos, Inc. | |
| Byte Builders Industries | Ontario |
| Byte Software Solutions, Inc. | Alberta |
| Byte-Mart Computers | Manitoba |
| Bytech | Manitoba |
| ByteLok IT Solutions, Inc. | British Columbia |
| Bytes Interactive | Ontario |
| ByteScout | British Columbia |
| Bytesrus.com | Saskatchewan |
| Bytown Technology Group, Inc. | Ontario |
| Byward Network Security, Inc. | Ontario |
| BZ, Inc. | Quebec |
| C Computers | Ontario |
| C L Douglas - Centre for Computer Studies | Nova Scotia |
| C&C Software Solutions, Inc. | Ontario |
| C&C Software Solutions, Inc. | |
| C&E Informatique | Quebec |
| C&G Roufan Informatique | Quebec |
| C&J Business Services | British Columbia |
| C&R Technologies, Inc. | Quebec |
| C&W Performance eTrack, Inc. | |
| C&W Web Developers, Inc. | |