| White Whale Analytics Ltd | |
| WhiteBark | British Columbia |
| Whitecap Canada | Ontario |
| Whitecap Resources, Inc. | |
| Whitecap Scientific Corporation | Newfoundland and Labrador |
| Whitecap Venture Partners | Ontario |
| WhiteCloud Software Ltd | |
| Whitehead Agency Group | |
| Whitespark | Alberta |
| Whitewolf Design & Copy | British Columbia |
| WhizzTesting | Ontario |
| whos.amung.us, Inc. | Alberta |
| Wi-Com Solutions | |
| Wibicom, Inc. | Quebec |
| Wicked Interactive Ltd | Ontario |
| Wicket, Inc. | |
| Wider Funnel | British Columbia |
| WiDR, Inc. | Alberta |
| Wieland Electric Canada | Ontario |
| Wielers Computers | |
| WIFI Computers | Ontario |
| Wifidelity | Ontario |
| Wightman Telecom | Ontario |
| Wikads | |
| WiLAN | Ontario |
| Wilcom Systems Ltd | Ontario |
| Wild Blueberry Games | |
| Wild Canary Solutions | Ontario |
| Wild Peek Design | Saskatchewan |
| Wild Rose IT | Alberta |
| Wild Web | Quebec |
| WildApricot | Ontario |
| WildBrain | |
| WildFire Software | |
| Wildfire Web Design & Development | |
| Wildwing Technology, Inc. | Nova Scotia |
| Wildwood Canada | Ontario |
| Wilfrid Laurier University | Ontario |
| Wilfrid Laurier University - Mathematics | Ontario |
| Wilfrid Laurier University - Physics and Computer Science | Ontario |
| Wilkor Computing Services, Inc. | Alberta |
| WillBeCoded | |
| Willcraft Technologies Ltd | Alberta |
| William Stewart | British Columbia |
| Williams Communication Services Ltd | Ontario |
| Williams Telecommunications Corporation | Ontario |
| Willing Software | British Columbia |
| Willis College | Ontario |
| Willowglen Systems, Inc. | Alberta |
| Wilmot Technologies, Inc. | Ontario |