| #6333 | Interactive Software People | P |
| #6334 | Interactive Technology | Z |
| #6335 | Interbit Software | Z |
| #6336 | Interceptor | ? |
| #6337 | Interceptor Group | Z |
| #6338 | Interceptor Micros | P |
| #6339 | Interceptor Software | P |
| #17366 | Interchange | X |
| #17367 | Intercomputer Inc | M |
| #6340 | Intereditions | ? |
| #6341 | Interface Publications Ltd | B |
| #6342 | Intergalactic Robots Ltd | Z |
| #6343 | International Business S.A. | Z |
| #17368 | International Marketing Services | M |
| #6344 | International Media Solutions Ltd | Z |
| #6345 | International Publishing & Software Inc | Z |
| #17369 | International Software Library | X |
| #17370 | International Video Game of the Year | C |
| #6346 | Interplay Productions Inc | Z |
| #6347 | Interservice Electronics Ltd | R |