List by Company Name |
List by Symbol |
| Company Name | Symbol | Notes |
|---|---|---|
| Wolfden Resources Inc | WLF-T | |
| Wolseley PLC | WOS-LSE | world's largest distributor of heating and plumbing products |
| Wolverine Minerals | WLV-X | Engaged in the acquisition, exploration and development of mineral properties located in British Columbia. |
| Workbrain Corp | WB-T (DEAD) | |
| World Financial Split Corp. | WFS-T | |
| World Heart | WHT-T | |
| World Wrestling Entertainment | WWE-N | |
| WorldCom | WCOEQ-Q | (wireless) See spinoff MCI Group for long distance. |
| Woulfe Mining Corp. | WOF-X |
A mineral exploration company with a portfolio of precious and base metal projects in South Korea. |
| WR Berkley Corp. | WRB-N | Reinsurance |
| Wright Medical Group Inc | WMGI-Q | |
| Wrigley | WWY-N | |
| Wyeth | WYE-N | |
| Wynne Resorts Ltd. | WYNN-Q | |
| Xantrex Technology Inc. | XTX-T |