- TEI Crete
- THALES COMMUNICATIONS & SECURITY
- THALES [France]
- TOBB University of Economics and Technology [Ankara]
- Tabbin Institute For Metallurgical Studies
- Tallinn University of Technology
- Tampere University of Technology [Tampere]
- Tanco Autowrap
- Tata Steel Europe, RD&T, Ceramic Research Centre, IJmuiden
- Tata Steel Ltd
- Technical School Imotski
- Technical University of Crete [Chania]
- Technische Universität Darmstadt - Technical University of Darmstadt
- Technological Education Institute of Larissa
- Technological Educational Institute of Athens
- Technological Educational Institute of Central Greece
- Technological Educational Institute of Crete
- Technological Educational Institute of Kalamata
- Technological Educational Institute of Kavala
- Technological Educational Institute of Lamia
- Technological Educational Institute of Messolonghi
- Technological Educational Institute of Peloponnese [Kalamata]
- Technological Educational Institute of Piraeus
- Technological Educational Institute of Western Greece [Patra]
- Technological Educational Institute of Western Macedonia [Grevena]
- Technological Educational Institute of the Ionian Islands
- Technological University [Dublin]
- Teknova AS
- Telecom Italia
- Telefonica Group
- Temple University [Philadelphia]
- Tencent [Shenzhen]
- Teolia
- Territory and Information Technologies Unit
- Texas State University
- Thales UK
- The Academic College of Tel Aviv-Yaffo
- The Bartlett [London]
- The British University in Egypt
- The Bucharest Academy of Economic Studies | Academia de Studii Economice din Bucureşti
- The Ohio State University [Columbus]
- The University of New Mexico [Albuquerque]
- The University of Tokyo
- The University of Western Australia
- Therapeia Rehabilitation Center
- Thyssenkrupp Rasselstein GmbH [Andernach]
- Tietoevry
- Toho University
- Tokyo University of Agriculture and Technology
- Toyama National College of Technology
- Toyota Research Institute
- TrainOse
- Transilvania University of Brasov
- Transportation Research Institute (IMOB)
- Trinity College Dublin
- Tufts University [Medford]
- Tungnan University
- Télécom ParisTech
- Télécom SudParis