- TOTAL FINA ELF
- TROPO - LATMOS
- Technische Universität Darmstadt - Technical University of Darmstadt
- Technische Universität Munchen - Technical University Munich - Université Technique de Munich
- Tectonique reliefs et bassins
- Tenevia
- Terradue Srl
- Tessalonik university
- The Australian National University, Canberra, Australian Capital Territory, Australia
- The Hebrew University of Jerusalem
- The Ohio State University [Columbus]
- The University of Hong Kong
- The University of Texas Health Science Center at Houston