| Symbol | Name | Country | Exchange |
|---|---|---|---|
| WIL | Wilmington Group Plc | UK | LSE |
| WISE | Wise Group AB | SE | ST |
| WLDN | Willdan Group, Inc. | US | NASDAQ |
| WMC | WM Capital S.p.A | IT | MI |
| WSCO | Wall Street Media Co | US | OTC |
| WTKWY | Wolters Kluwer N V S | US | OTC |
| XCPL | XCPCNL Business Services Corporation | US | OTC |
| XE1 | AXON PARTNERS GRP EO -10 | DE | F |
| YPB | YPB Group Ltd | AU | ASX |
| ZAL | Zalaris ASA | NO | OL |