| ID | Name | Type |
|---|---|---|
| #15443 | Winters Ltd | Z |
| #15444 | Wintersoft [1] | Z |
| #15445 | Wintersoft [2] | P |
| #15446 | Winterthur Vida S.A. | Z |
| #15447 | Winthrop Saville | ? |
| #15448 | Wise Man | ? |
| #15449 | Wise Owl Software | Z |
| #15450 | Wiskisoft | Z |
| #15451 | Wit Klapper | ? |
| #15452 | Witchcraft Creative Group | Z |
| #15453 | Without Denomination Group | Z |
| #15454 | Witman | ? |
| #15455 | Wittkopf Software | Z |
| #15456 | Wiz | ? |
| #15457 | Wizard | ? |
| #15458 | Wizard Computer Games | Z |
| #17887 | Wizard Games | S |
| #15459 | Wizard Products | Z |
| #15460 | Wizard Software | Z |
| #22564 | Wizard Software [ES] | P |