| ESTUDIO | LOCALIDAD |
|---|---|
| Take World | Madrid |
| Takemaker | Barcelona |
| TalkOver | París (Francia) |
| Taller de Sonido | Madrid |
| Tecnison | Madrid/Barcelona |
| Telson | Madrid |
| Texto Directo | Madrid |
| The Language Connection | Washington D. C. (EE. UU.) |
| The Sounds Factory | Madrid |
| TMS Multimedia | Mannheim (Alemania) |
| TodoJingles | Terrasa |
| TransPerfect Studios | Madrid / Barcelona / Valencia |
| Two Bascos Records | Bilbao |