| Name | Type | Country |
|---|---|---|
| Ikor Sistemas Electrónicos | Enterprise | Spain |
| Ikor Technology Centre | Enterprise | Spain |
| Ikusi | Enterprise | Spain |
| Inbisa Servicios y Medio Ambiente | Public administration | Spain |
| INFILI TECHNOLOGIES | Enterprise | |
| INGARTEK | Enterprise | |
| IngenierÃa de Microsistemas Programados S.L. | Enterprise | Spain |
| Ingeteam | Enterprise | Spain |
| Inkoa Sistemas | Enterprise | Spain |
| Innevento comunicaciones en vivo | Enterprise | Spain |