...
- University of Barcelona (Spain)
- Carleton University (Canada)
- LLR-Palaiseau (France)
- LPC-Clermont (France)
- University of Mainz (Germany)
- McGill University (Canada)
- University of Heidelberg (Germany)
- Prague Physics Institute (Czech Republic)
- Bonn University (Germany)
- Lebedev Institute (Russia) [membership suspended]
- University of Hamburg (Germany)
- Technological Institute of Aragon (Spain)
- DESY (Germany)
- Max Planck Institute (Germany)
- Tsinghua University (China)
- University of Bergen (Norway)
- CSIC-Barcelona (Spain)
- Kyungpook University (Korea)
- University of Kansas (USA)
- University of Belgrade (Serbia)
- AGH University of Krakow (Poland)
- University of Siegen (Germany)
- IFIC & University of Valencia (Spain)
- University of Victoria (Canada)
- Kindai University (Japan)
- Kyushu University (Japan)
- KEK (Japan)
- Princeton University (USA)
- LPNHE-Paris (France)
- University of Lyon (France)
- MPG-HLL/Muenchen (Germany)
- Lund University (Sweden)
- Tel-Aviv University (Israel)
- University of Science & Technology of China
- LPSC-Grenoble (France)
- University College London (UK)
- IPHC-Strasbourg (France)
- CIEMAT-Madrid (Spain)Moscow State University (Russia) [membership suspended]
- Ghent University (Belgium)
- Czech Technical University (Czech Republic)Nat. Research Nuclear Univ. MEPHI (Russia) [membership suspended]
- Iwate University (Japan)
- Saha Institute of Nuclear Physics (India)
- University of Birmingham (UK)
- Kyiv National University (Ukraine)
- Nippon Dental University (Japan)
- Irfu-Saclay (France)
- IJCLab-Orsay (France)
- Dhofar University - Salalah (Oman)
- Physics Institute of Cantabria (Spain)
- Indiana University Bloomington (USA)
- NIKHEF (Netherland)
- Saga University (Japan)
- Inst. of Nucl. Phys. of Krakow (Poland)
- OMEGA-Palaiseau (France)
- Kogakuin University (Japan)
- Hiroshima University (Japan)
- Shinshu University (Japan)
- Budker Institute (Russia) [membership suspended]
- Keldysh Institute of Applied Math. (Russia) [membership suspended]
- CPPM-Marseille (France)
- ICEPP Tokyo University (Japan)
- Tohoku University(Japan)
- University of Warsaw (Poland)
- Wuppertal University (Germany)
- Northern Illinois University (USA)
- IHEP-Beijing (China)
The membership of the following Russian institutes is currently suspended in response to Russia's invasion of Ukraine.
- Lebedev Institute (Russia) [membership suspended]
- Moscow State University (Russia) [membership suspended]
- Nat. Research Nuclear Univ. MEPHI (Russia) [membership suspended]
- Budker Institute (Russia) [membership suspended]
- Keldysh Institute of Applied Math. (Russia) [membership suspended]