| W. H. Smith | Tapes | Tapes sorted by code | No books | No hardware |
| Warren Newman | No tapes | No tapes | No books | No hardware |
| Watford Electronics | No tapes | No tapes | No books | No hardware |
| Watson Software Services | Tapes | No tapes | No books | No hardware |
| Willden Services Limited | No tapes | No tapes | No books | No hardware |
| William Stuart Systems | No tapes | No tapes | No books | No hardware |
| Woodside Software | Tapes | No tapes | No books | No hardware |
| Work Force | Tapes | No tapes | No books | No hardware |