| Wired Solutions | Ontario |
| Wired Together Web Services | Ontario |
| Wireguys Telecom, Inc. | Ontario |
| Wirehead Corporation | Ontario |
| Wireless 2000 | British Columbia |
| Wireless Accessories | British Columbia |
| Wireless Options, Inc. | Ontario |
| Wireless Personal Communications, Inc. | Ontario |
| Wireless Toronto | Ontario |
| Wireless Trade Group | Ontario |
| WIRELESSWAVE | |
| WireNine | Ontario |
| WireTree | |
| Wiring Solutions | Ontario |
| Wisdek Corporation | Ontario |
| Wisdom Software, Inc. | British Columbia |
| Wise IT | Alberta |
| Wise Payments Canada, Inc. | |
| Wise Tech Group | Ontario |
| Wiseleap | Quebec |
| Wiser Web Solutions, Inc. | Ontario |
| Wisevu Web Design | Ontario |
| Wish Group | |
| Wishplay | |
| Wishpond Technologies Ltd | British Columbia |
| WIT Digital, Inc. | |
| With Media by Kyle Thomas | |
| Witlaken, Inc. | Quebec |
| Wittaya Aqua | |
| WittyCookie, Inc. | British Columbia |
| Wiz-Tec Computing Technologies, Inc. | Alberta |
| Wizard Computer Solutions | Ontario |
| Wizard IT Services | British Columbia |
| WizardRecovery, Inc. | British Columbia |
| Wizebank | British Columbia |
| Wizgo Solutions | Quebec |
| Wizoft | Ontario |
| WM l'agence | Quebec |
| Wokebe | Quebec |
| WOLF Industrial Systems, Inc. | Ontario |
| Wolf Pack Media, Inc. | Ontario |
| Wolf Song Communications | Ontario |
| wolf21.com | Ontario |
| WolfByte Software, Inc. | Ontario |
| Wolff I.T. Solutions | Ontario |
| Wolfhound Information Systems, Inc. | Ontario |
| Wolfpaw Services, Inc, | Alberta |
| Wolftech | Quebec |
| Wolfworks Communications | Ontario |
| Wolsey-Tech, Inc. | Alberta |