| Name | Type | Country |
|---|---|---|
| Symplio | Enterprise | Spain |
| System@Tic Paris Region | Enterprise | |
| Tagzania | Enterprise | Spain |
| Talleres protegidos gureak | Enterprise | Spain |
| Tapquo | Enterprise | Spain |
| TB-Solutions Advanced Technologies | Enterprise | Spain |
| Tecdoa | Enterprise | Spain |
| Tecnalia | Enterprise | Spain |
| Telefonica | Enterprise | Spain |
| Telemática y Lógica Racional para la Empresa | Enterprise | Spain |