- Taiheiyo Consultant, Sales and marketing diviision
- Technical University of Berlin | Technische Universität Berlin
- Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]
- Technische Universität Darmstadt - Technical University of Darmstadt
- Technische Universität Dresden = Dresden University of Technology
- Technische Universität Munchen - Technical University Munich - Université Technique de Munich
- Technodes S.A.S
- Technologies Nouvelles
- Tecnalia [Derio]
- Tecnalia [San Sebastián]
- Télécom Bretagne
- Tempus Projekt
- TENCATE ADVANCED ARMOUR PRIMARETTE FRA
- Terrassements et Centrifugeuse
- TERRE ARMEE INTERNATIONALE SAS VELIZY FRA
- The Hong Kong Polytechnic University [Hong Kong]
- The Netherlands Organisation for Applied Scientific Research
- The University of Tokyo
- Thu Dau Mot University
- TNO [Delf]
- TNO Information and Communication Technology
- Tokyo University of Science [Tokyo]
- Ton Duc Thang University [Hô-Chi-Minh-City]
- TOTAL
- TotalEnergies
- TotalEnergies OneTech [France]
- TOTAL Marketing Services
- Toulouse Biotechnology Institute
- Toulouse Tech Transfer
- Transduction, Propagation et Imagerie Acoustique - IEMN
- Transferts et interactions liés à l'eau en milieu construit
- Transformations et Agro-ressources
- Transportation Research Board
- Transport Research Centre [Brno]
- Transport Research Laboratory
- Tree and Timber Institute
- Trinity College Dublin
- Tunnel Euralpin Lyon Turin
- Tunnel Euralpin Lyon Turin - TELT sas