| ID | Name | Type |
|---|---|---|
| #15507 | World Eyes Group | Z |
| #17891 | World Video Games Open Championship | C |
| #15508 | World Wrestling Federation | Z |
| #15509 | World XXI Soft Inc | Z |
| #9696 | World-Micro, S.A. | Z |
| #15510 | Worlds of Wonder Inc | Z |
| #17892 | Worldwide Computers | H |
| #17893 | Worldwide Software | S |
| #15511 | Worm | ? |
| #15512 | Wr. Agostini | ? |
| #15513 | Wrecker | ? |
| #15514 | Wredosoft Software Ltd | Z |
| #15515 | Wrench | ? |
| #15516 | Wrightchoice Software | Z |
| #15517 | Wydawnictwa Komunikacji i Lacznosci | ? |
| #15518 | Wye Valley Software | Z |
| #23144 | WyeSoft | P |
| #17894 | Wynter Electronics | R |
| #15519 | Wyplan Software | Z |
| #15520 | Wyvern Software | Z |