| Y Marketing Conception, Inc. | Quebec |
| Y2K Computers | Ontario |
| Yactraq | |
| Yactraq Online, Inc. | British Columbia |
| Yafoy | Ontario |
| Yahoo Canada | Ontario |
| Yak | Ontario |
| Yaletown | British Columbia |
| Yaletown | |
| Yallaxash Finance Ltd | Quebec |
| Yamm Software, Inc. | Quebec |
| Yan Gilbert Consulting | Ontario |
| Yana Imaginative Audio Video Solutions, Inc. | British Columbia |
| Yann Toledano | Quebec |
| YannickWEB.net | Quebec |
| YAP.cx | Quebec |
| Yapla | |
| Yaplex | Ontario |
| Yardstick | Alberta |
| Yardstick Services | British Columbia |
| Yarmouth International Airport | |
| Yaroka Technologies | Quebec |
| Yaroka Technologies | |
| Yas | Saskatchewan |
| YAS Media | |
| Yasna, Inc. | Ontario |
| yBOT | Ontario |
| YEG Digital | Alberta |
| YEGTEL Communications, Inc. | |
| Yellow Pages | Quebec |
| Yellow Pencil, Inc. | Alberta |
| Yenius Interactive Marketing | Ontario |
| Yerrex.com | Ontario |
| YesAdvertising.com, Inc. | Ontario |
| Yesbit | |
| YG-1 | |
| YGen Development | Alberta |
| YHC Environnement | Quebec |
| Yield Communications | Newfoundland and Labrador |
| YieldWise, Inc. | Ontario |
| yiyaniQ | |
| YM Design Factory | Quebec |
| Yng Online, Inc. | British Columbia |
| Yocale Network Corporation | British Columbia |
| Yoomweb.com | Quebec |
| Yopie.ca | |
| York Angel Investors | Ontario |
| York Angel Investors | |
| York Consulting, Inc. | Ontario |
| York Entrepreneurship Development Institute | Ontario |