| WTSS | Manitoba |
| Wulver Digital Advertising | Alberta |
| WunderSolutions.com | Ontario |
| Wurkn | |
| WW Website Designs | |
| WW Works, Inc. | Ontario |
| wwwebworks.ca | Ontario |
| WWWHostingServer | Quebec |
| wx3data | Quebec |
| WYK Web Solutions | Alberta |
| Wyka-Warzecha | Ontario |
| Wynquest Technical Solutions Ltd | British Columbia |
| Wynsoft Systems, Inc. | Ontario |
| Wysdom | Ontario |
| Wytek Design | British Columbia |
| Wyvern, Inc. | Alberta |
| X Info Design | Quebec |
| X-CD Technologies, Inc. | Ontario |
| X-Cel Communications, Inc. | Alberta |
| X2 Studios Ltd | Alberta |
| X2O Media | Quebec |
| x2x eCommerce | |
| x360 Digital | |
| Xacent Global Technologies, Inc. | |
| Xacte | |
| Xactly Design & Advertising | Ontario |
| Xahive, Inc. | Ontario |
| Xanadu | Ontario |
| Xanadu | |
| Xanantec Technologies, Inc. | Alberta |
| Xanatos Marine Ltd | British Columbia |
| XAP Corporation | British Columbia |
| XapCard, Inc. | Ontario |
| Xavier Frenette | Quebec |
| XBASE Technologies Corporation | Ontario |
| XBO Technologies | |
| Xcare | |
| XCCommerce | Quebec |
| Xceed | |
| Xceed, Inc. | Quebec |
| Xcel Source Corporation | Ontario |
| Xcellence Automatisation, Inc. | Quebec |
| XCG Consulting Ltd | |
| Xcyte Digital Corporation | Ontario |
| XdigitalNet | British Columbia |
| XDL | Ontario |
| XE.com, Inc. | |
| Xediton Pharmaceuticals, Inc. | Ontario |
| Xelaration Software | Quebec |
| xelasoft, Inc. | |