| ID | Name | Type |
|---|---|---|
| #6305 | Inform Software | Z |
| #18326 | Informatique Service | P |
| #6306 | Informatyczno-Elektroniczna Spoldzielnia Pracy INEL | Z |
| #22929 | Infornova | P |
| #6307 | Infortech | Z |
| #6308 | Infosoft | Z |
| #6309 | Infotek Team | Z |
| #6310 | Ingelek Jackson | Z |
| #6311 | Ingenieria Quimica | ? |
| #6312 | Inigo Ayo Blazquez | ? |
| #6313 | Inigo Otxoa | ? |
| #6045 | Inmensa Bola de Manteca (IBM) | Z |
| #6314 | Inner City Unit | ? |
| #20008 | Innersloth | Z |
| #6315 | Innosoft | Z |
| #17363 | Innovations | S |
| #6316 | Inok | ? |
| #6317 | Inpidos | ? |
| #18483 | Input Magazine | P |
| #6318 | Input Two Nine | ? |