| ADAS | Department of Physics, University of Strathclyde, United Kingdom | |
| Antony Group | Indian Institute of Technology (Indian School of Mines) (IIT(ISM)), India | |
| Atomic and Molecular Physics Group (Ma Group) | Institute of Modern Physics, Chinese Academy of Sciences (IMPCAS), China | |
| Atomic and Molecular Physics Group, Institute of Condensed Matter and Nanosciences | Université catholique de Louvain, Belgium | |
| Atomic and Molecular Physics Group, Institute of Experimental Physics I | Justus Liebig University, Giessen, Germany | |
| Atomic Physics Group, IIT Roorkee | Indian Institute of Technology, Roorkee, India | |
| Atomic Physics Processes | Vilnius University, Lithuania | |
| Atomic Spectroscopy Group | National Institute of Standards and Technology, United States of America | |
| AtomicCollision@LCPMR Sorbonne University | Laboratoire de Chimie Physique – Matière et Rayonnement (LCPMR), Sorbonne Université, France | |
| Chakrabarti Group | Scottish Church College, India | |
| Crespo Group | Max Planck Institute for Nuclear Physics, Germany | |
| Department of Interaction of Radiation with Matter | Centro Atómico Bariloche, Argentina | |
| Electron-Molecules-Atoms-Surface Group | CNR Bari, Italy | |
| EUROFusion TSVV-5 (Theory, Simulation, Validation and Verification) task "Neutral Gas Dynamics in the Edge" | Forschungszentrum Jülich (FZJ), Germany | |
| Fantz Group | ITER Technology and Diagnostics Division (ITED), Max Planck Institute for Plasma Physics (IPP), Garching, Germany | |
| Fursa Group | Faculty of Science and Engineering, Curtin University, Australia | |
| Garland Group | Griffith University, Australia | |
| Groth Group | Aalto University, Finland | |
| Illescas Group | Department of Chemistry, Universidad Autónoma de Madrid, Spain | |
| ITER Plasma Modelling and Analysis Section | ITER, France | |
| Kadyrov Group | Faculty of Science and Engineering, Curtin University, Australia | |
| Karwasz Group | Nicolaus Copernicus University, Toruń, Poland | |
| Laboratorio de Colisiones, Instituto de Ciencias Físicas (ICF) | Universidad Nacional Autónoma de México, Mexico | |
| Li Group: Atomic, Molecular and Plasma Physics | Lanzhou School of Nuclear Science and Technology, China | |
| LIBPhys-UNL | Faculty of Science and Technology, Nova University of Lisbon, Portugal | |
| Mol-e Orlando-Paris group | Department of Physics, University of Florida, United States of America | |
| Nakamura Group (Tokyo-EBIT) | Institute for Laser Science, University of Electro-Communications, Japan | |
| Plasma Spectroscopy Group – Opole | University of Opole, Poland | |
| Plasma Spectroscopy Group, NIFS | National Institute for Fusion Science, Japan | |
| Pu Group | Tsinghua University, China | |
| Reiter Group | Forschungszentrum Jülich (FZJ), Germany | |
| Savin Group, Columbia Astrophysics Laboratory | Columbia University, United States of America | |
| Schneider Group (eMol) | Université le Havre Normandie, France | |
| Schulz Group | Missouri University of Science and Technology, United States of America | |
| Singh-Mohan Group | University of Delhi, India | |
| Song Group | Korea Institute of Fusion Energy, South Korea | |
| Tennyson Group | University College London, United Kingdom | |
| Theoretical Spectroscopy Group | Vilnius University, Lithuania | |
| Theory and Modelling Group, IPP.CR | Institute of Plasma Physics of the Czech Academy of Sciences, Czechia | |
| Wei Group | Fudan University, China | |
| Wolf Group | Max Planck Institute for Nuclear Physics, Germany | |
| Zhu Group | University of Science and Technology of China (USTC), China |