ET is a design study project in the European Framework Programme (FP7). It has been proposed by 8 European research institutes leader in the gravitational wave experimental research. The project coordination is realized by the European Gravitational Observatory.
- European Gravitational Observatory
- Istituto Nazionale di Fisica Nucleare
- Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., acting through Max- Planck-Institut für Gravitationsphysik
- Centre National de la Recherche Scientifique
- University of Birmingham
- University of Glasgow
- NIKHEF
- Cardiff University
