| ID | Name | Type |
|---|---|---|
| #15281 | W.J. Weller | + |
| #15282 | W.M.J. Schoonenberg | + |
| #15283 | W.P. Baxter | + |
| #17870 | WAVE (Walney Audio Visual & Electrical) | H |
| #15284 | WB Software | Z |
| #15285 | WD Software | Z |
| #15286 | WE Group | Z |
| #15287 | WE M.U.S.I.C. | Z |
| #15288 | WE [BY] | Z |
| #15289 | WE [PL] | Z |
| #15290 | WH Smith | S |
| #15291 | WIN | ? |
| #15292 | WL | ? |
| #21288 | WLD/Belozersky | P |
| #15293 | WMS Gaming | Z |
| #21087 | WMW Schellens | + |
| #17871 | WN Richardson | H |
| #15294 | WOPR2K | Z |
| #17872 | WTS Electronics | R |
| #15295 | WWE Inc | Z |