- Tadaa
- Talan
- Talan Consulting
- Talent Circles
- Tallinn University of Technology
- TalTech
- Tampere University of Applied Sciences [Finland]
- Tampere University of Technology [Tampere]
- Tänikon Research Station ART
- Tanzanian Organic Agriculture Movement
- Taras Shevchenko National University of Kyiv
- Tarbiat Modares University [Tehran]
- Tarides [Paris]
- Tasman Metals AB
- Tata consultancy services
- Tata Institute for Fundamental Research
- Taylor’s University
- TCI Bangalore
- Teagasc Agriculture and Food Development Authority
- Teagasc Food Research Centre [Fermoy, Ireland]
- Teagasc - The Agriculture and Food Development Authority
- Team Lagardère
- TeamLagardère, Centre d'expertise
- Tea Research Institute of Tanzania
- Technical Research Centre of Finland
- Technical University Eindhoven
- Technical University in Zvolen
- Technical University of Berlin | Technische Universität Berlin
- Technical University of Budapest
- Technical University of Cluj-Napoca
- Technical University of Crete [Chania]
- Technical University of Eindhoven
- Technical University of Kaiserslautern
- Technical University of Kosice
- Technical University of Košice
- Technical University of Lisbon
- Technical University of Sofia [Bulgaria]
- technician
- Technicolor
- Technion - Israel Institute of Technology [Haifa]
- Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]
- Technische Universität Darmstadt - Technical University of Darmstadt
- Technische Universität Dortmund [Dortmund]
- Technische Universität Dresden = Dresden University of Technology
- Technische Universität Graz
- Technische Universität Kaiserslautern
- Technische Universität München
- Technische Universität Munchen - Technical University Munich - Université Technique de Munich
- Technische Universiteit Eindhoven
- Technological Educational Institute of Epirus
- Technological Educational Institute of Western Greece [Patra]
- Technological Education Institute of Larissa
- Technological University [Dublin]
- Technologie campus Gent - KU Leuven
- Technologie Partenaires Conseils T.P.C
- Technopôle Alpes, Santé à Domicile et Autonomie
- Technopolis France S.A.R.L
- Technopolis Group
- TECHSET
- Tecnalia
- Tecnalia research and Innovation [Zamudio] (Tecnalia Corporación Tecnológica)
- Tecnalia [San Sebastián]
- TECNISUN
- TecNM | Instituto Tecnológico de la Laguna
- Tecnológico de Monterrey = Monterrey Institute of Technology
- Teesside University
- Teklia
- Télécom Bretagne
- Télécom Ecole de Management
- Telecom Italia
- Telecom Orange
- Télécom Paris
- Télécom ParisTech
- Télécom SudParis
- Telefonica Group
- Telemates UK (Telemates)
- Télé-université du Québec
- Tennessee State University
- Tenuta di Paganico Soc. Agr. SpA
- Tera Environnement
- Tereos
- Terhao
- Terrae Genesis
- Terra Erosion Control Ltd
- TERRA MARE CONSERVATION
- Terramétrie
- Terra Nova
- TerraScience
- Terre de Liens [Association]
- Terre & Fils
- Terres Australes et Antarctiques Françaises
- Terres Inovia
- Terres Univia
- Territoires & Alimentation
- Territoires Humains
- Terroirs 44
- Tersyn
- Tête de Réseaux pour l’Appui Méthodologique aux Entreprises
- Tétras Libre [Grenoble]
- Texas Advanced Computing Center
- Texas A&M University [College Station]
- Texas Instruments
- Texas Tech University [Lubbock]
- TextLogic GmbH (.)
- THALES Airborne Systems
- Thales Avionics
- Thales Avionics SAS, Valence, France
- Thales Communications
- Thales Communication & Securité (TCS) 92704 Colombes, France OPS | HAT | SPM
- Thales communications (Thales)
- THALES [France]
- Thales Global Services
- THALES Research \& Technology, Lab. Systèmes Embarqués (Palaiseau)
- Thales Transportation Systems [Berlin]
- The Aerospace Corporation
- The Alan Turing Institute
- The American University of Paris
- The Arctic University of Norway [Tromsø, Norway]
- The British Museum
- The Brookings Institution
- The Chinese University of Hong Kong [Hong Kong]
- The Churchill hospital
- The Consortium for the Sustainable Development of the Andes Eco-Region
- The European Fresh Produce Association
- The Field Museum
- The Gambia National Museum
- The Game and Wildlife Conservation Trust
- The Glasgow School of Art
- The Greenwood Genetic Center
- The Hebrew University of Jerusalem
- The Hong Kong Polytechnic University [Hong Kong]
- The Hospital for sick children [Toronto]
- The Indigenous Partnership for Agrobiodiversity and Food Sovereignty
- The Institute for Structural Research
- The Inversion Lab
- The James Hutton Institute
- The Lejre Experimental Centre
- The National Academy of the Lincei
- The National Bureau of Economic Research
- The Netherlands Open in Connection
- The Netherlands Organisation for Applied Scientific Research
- The New Fork
- The Nofer Institute of Occupational Medicine
- The Norwegian Academy of Science and Letters
- The Norwegian Forest and Landscape Institute
- The Ohio State University [Columbus]
- The Open University [Milton Keynes]
- Theorik-lab
- Theramex
- The Salk Institute for Biological Studies
- The Samuel Roberts Noble Foundation
- The Shift Project. Redesigning the economy to achieve carbon transition
- The Swedish National Road and Transport Research Institute (VTI
- The University Centre in Svalbard
- The University of Electro-Communications [Tokyo]
- The University of Hong Kong
- The University of Manchester
- The University of Mississippi [Oxford]
- The University of New Mexico [Albuquerque]
- The University of Queensland
- The University of Sheffield [Sheffield, U.K.]
- The University of Sydney
- The University of Sydney Business School
- The University of Tennessee Health Science Center [Memphis]
- The University of Tennessee [Knoxville]
- The University of Texas Health Science Center at Houston
- The University of Tokyo
- The University of Western Australia
- Thomson
- Thomson Reuters
- Thuenen Institute of Farm Economics
- Thuenen-Institute of Organic Farming
- Thünen Institute of Fisheries Ecology
- Thuringian State Institute of Agriculture
- Tier0 Software Development LLC
- Tilburg University [Netherlands]
- TKK Helsinki University of Technology
- TME
- Tnalak Tau Sebu
- TNI
- TNO automotive
- TNS Sofres
- Tohoku University [Sendai]
- Tokyo Institute of Technology [Tokyo]
- Tokyo Metropolitan University [Tokyo]
- Tokyo Polytechnic University
- Tokyo University of Science [Tokyo]
- Tom Tom
- Tongji University
- Topigs Norsvin Res Ctr BV
- Topigs Norsvin Research Center B.V., Schoenaker
- Toronto Metropolitan University
- TotalCtrl
- Total CTRL
- Total Energies
- TotalEnergies
- Total E&P
- TOTAL E&P [Houston]
- TotalFinaElf
- TOTAL FINA ELF
- Toucan System
- Toulouse
- Toulouse Business School
- Toulouse Métropole
- Tourbillion Technology
- Tour du Valat, Research Institute for the conservation of Mediterranean Wetlands
- TOXEM
- Toyota ITC
- Toyota Research Institute
- Toyota Technological Institute at Chicago [Chicago]
- Tractebel engineering
- Tractebel Engineering SA
- TRAME
- Transae
- Transchain
- Transgene SA [Illkirch]
- Transportøkonomisk institutt
- Transport Research Centre [Brno]
- Transport research centre CDV
- Transports urbains du Cambrésis (TUC)
- Treibacher Industrie
- Trenitalia
- Trent University
- Trent university, Ontario, Canada
- Triarii BV
- Tribunal administratif de Montpellier
- Tribunal de grande instance de Saint-Gaudens
- Trinity College Dublin
- Tritonia Scientific Ltd.
- TRL
- Trophis
- TRT
- TRT - THALES RESEARCH & TECHNOLOGY
- Trung
- Trung tâm Phát triển Sáng tạo Xanh
- Trusted Labs
- Trusted Logic
- TrustInSoft
- Trust-IT Services [Pisa]
- Tshwane University of Technology [Pretoria]
- TSI Inc. France
- Tsinghua University [Beijing]
- TS-JFL
- TU Berlin
- TUBITAK, The Scientific and Technological Research Council of Turkiye, Turkiye
- Tufts University [Medford]
- Tufts University School of Medicine [Boston]
- Tulane University
- Tunisian Institute for Competitiveness and Quantitative Studies
- Turing Centre for Living Systems [Marseille]
- TU Wien
- TXT eSolutions [Milano]