| ID | Name | Type |
|---|---|---|
| #20453 | Ian Watson [2] | + |
| #6180 | Ian Weatherburn | + |
| #6181 | Ian Williams | + |
| #21172 | Ian Williams [2] | + |
| #6182 | Ian Willis | + |
| #6183 | Ian Wombwell | + |
| #6184 | Ian Wooff | + |
| #6185 | Ian Wright | + |
| #6186 | Iber Software | Z |
| #6187 | Iberofon S.A. | Z |
| #15854 | Ibico | ? |
| #6188 | IcE | ? |
| #6189 | Icabod | ? |
| #6190 | Ice | ? |
| #6191 | Ice Cool Coders | Z |
| #6192 | Ice Group | Z |
| #6193 | IceVAN | - |
| #6194 | Icon Design Ltd | P |
| #6195 | Icon Designs | Z |
| #6196 | Icon Software Ltd | P |