| ID | Name | Type |
|---|---|---|
| #15371 | Westex Electronics | Z |
| #17879 | Weston Computer Tapes Centre | B |
| #15372 | Westridge Communications Inc | Z |
| #19573 | Westway Ltd | Z |
| #15373 | Westwood Associates | Z |
| #15374 | Westwood Studios | Z |
| #15375 | Westy Productions | Z |
| #15376 | Whalkira Software | Z |
| #19490 | Whammo Productions | P |
| #15378 | Wherner Barnes | ? |
| #15379 | White Eagle | ? |
| #15380 | White Panter Software | Z |
| #17880 | White Rose Entertainment | S |
| #21006 | Whiteam | P |
| #17881 | Whitehouse Retail | S |
| #17882 | Whitesoft | M |
| #15381 | Whitethorn Software | Z |
| #15382 | Whiz Bang Software | Z |
| #15383 | Whizkid Software | Z |
| #15384 | Whizz Quiz | ? |