| Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA) | Institute for Integration of Systems and Technologies (LIST).
Department of Metrology, Instrumentation & Information | France |
| JINR | | Russia |
| National Institute for Subatomic Physics, Nikhef | Detector R&D | Netherlands |
| University of Houston | Physics Department | USA |
| Czech Technical University | Institute of Experimental and Applied Physics | Czech Republic |
| DESY-Hamburg | The Detector Group | Germany |
| University of California, Berkeley | Space Sciences Laboratory | USA |
| CERN | The Medipix Team, Microelectronics Group, PH Department | Switzerland |
| Diamond Light Source | Detector Group | UK |
| Maastricht University | | Netherlands |
| University of Canterbury | MARS-CT | New Zealand |
| University of Oxford | Medical Physics | UK |
| Institut de Física d’Altes Energies IFAE Barcelona | IFAE Medical Physics group | Spain |
| Université de Genève | Département de Physique Nucléaire et Corpusculaire (DPNC) | Switzerland |
| University of Glasgow | Detector Development Group, Dept of Physics and Astronomy | UK |
| INFN – Istituto Nazionale di Fisica Nucleare | | Italy |
| Chinese Spallation Neutron Source | | China |
| Brazilian Centre for Research in Energy and Materials (CNPEM) | Detectors | Brazil |
| Philippines Nuclear Research Institute | | Philippines |
| Czech Academy of Sciences | | Czech Republic |
| Univeristy of Tenesee | | USA |
