| Xpress Center Acessories Ltd | British Columbia |
| XPress Processing | |
| XpressTec Corporation | Ontario |
| XPS Group | |
| XPV Water Partners | Ontario |
| Xquisit Communications | Ontario |
| XR Immersive Tech, Inc. | |
| XRealis | |
| xSELLence | |
| Xsite | Ontario |
| xsitra | Alberta |
| XSOLCORP | |
| XST Xpert Solutions Technologiques | Quebec |
| XStandard | Ontario |
| xStudio.ca | Ontario |
| Xtech Solutions, Inc. | Alberta |
| Xtel International Ltd | Alberta |
| XTLabs, Inc. | Alberta |
| Xtra PC, Inc. | New Brunswick |
| Xtract One Technologies | Ontario |
| Xtrem Informatique | Quebec |
| XTREME Creative Media Solution | Ontario |
| Xtron Imaging, Inc. | Ontario |
| Xtube Multimédia | Quebec |
| Xuperb | |
| Xuzo.com | British Columbia |
| XVP Photonics | |
| Xyfon Solutions, Inc. | British Columbia |
| Xylotek Solutions, Inc. | Ontario |
| Xyntax Group, Inc. | Alberta |
| Xyris Illustrative Design | British Columbia |
| XYTERA Electronics | Quebec |
| XYZ Studio | |
| X_times_Y, Inc. | British Columbia |
| Y C Systems | Ontario |
| Y M & Company | Ontario |
| Y Marketing Conception, Inc. | Quebec |
| Y&W Agency, Inc. | |
| Y2K Computers | Ontario |
| Y5 Creative | |
| Yactraq | |
| Yactraq Online, Inc. | British Columbia |
| Yafoy | Ontario |
| Yahoo Canada | Ontario |
| Yak | Ontario |
| Yaletown | British Columbia |
| Yallaxash Finance Ltd | Quebec |
| Yamm Software, Inc. | Quebec |
| Yan Gilbert Consulting | Ontario |
| Yana Imaginative Audio Video Solutions, Inc. | British Columbia |