- TTI Norte
- Tech Gate Vienna
- Technical University of Berlin | Technische Universität Berlin
- Technical University of Ostrava [Ostrava]
- Technion - Israel Institute of Technology [Haifa]
- Technische Universität Darmstadt - Technical University of Darmstadt
- Technische Universität Munchen - Technical University Munich - Université Technique de Munich
- Tel Aviv University
- Telecom Italia
- Telecom Orange
- Telecommunications Research Center Vienna [Autriche]
- Telekom Innovation Laboratories [Berlin]
- Telenor
- The Chinese University of Hong Kong [Hong Kong]
- The University of Hong Kong
- The University of Tokyo
- Trinity College Dublin
- Tsinghua National Laboratory for Information Science and Technology
- Tsinghua National Laboratory for Information Science and Technology (TNList)
- Tsinghua University [Beijing]
- Télécom Bretagne
- Télécom ParisTech
- Télécom SudParis