| York University | Ontario |
| York University - Department of Electrical Engineering & Computer Science | Ontario |
| York University - Department of Mathematics and Statistics | Ontario |
| York University - Electrical Engineering and Computer Science | Ontario |
| York University - YSpace | |
| Yorkville University | Ontario |
| You.i TV | Ontario |
| Youneeq | British Columbia |
| Young at Art Studios Website Services | British Columbia |
| Young Seagull Web Design | Alberta |
| YoungLeaders.World | |
| Your Calgary IT Source, Inc. | Alberta |
| Your Computer Tech | British Columbia |
| Your Digital Coach | Prince Edward Island |
| Your Doctors Online | |
| Your Go To Guy | |
| Your Radar | |
| Your Web Department | Ontario |
| Your-WebSite.ca | Quebec |
| YouRankWell.ca | Ontario |
| youRhere Interactive Directories | |
| Yourlabel | |
| Yoush Consulting | Ontario |
| YouthBio Therapeutics, Inc. | |
| YOVU Office Phone | Ontario |
| Yozoki Computer Services Ltd | Ontario |
| YPR Canada | Quebec |
| YRH, Inc. | Quebec |
| YSM | Ontario |
| Ytria | Quebec |
| YTZ International | Ontario |
| Yu Centrik, Inc. | Quebec |
| Yukon Energy | |
| Yukon GIS Users Group | Yukon |
| Yukon University | Yukon |
| Yukon University - Computer Support Technician | Yukon |
| Yukon.Tech | Yukon |
| Yukonstruct | Yukon |
| Yulcom Technologies | Quebec |
| YULCOM Technologies | Quebec |
| Yulio Technologies, Inc. | Ontario |
| Yummy Interactive, Inc. | British Columbia |
| YummyNames | Ontario |
| Yuno | |
| YunusTech | Ontario |
| Yutek Consulting, Inc. | British Columbia |
| Yuzhu | Ontario |
| YYC3 | Alberta |
| Z Capital Group | Nova Scotia |
| Z Tec | British Columbia |