- Initiative for Parallel Bioinformatics
- Japan Geoscience Union
- Japan Society for Simulation Technology
- The Institute of Electrical Engineers of Japan
- The Japan Society for Computational Engineering and Science
- The Japan Society of Fluid Mechanics
- The Japan Society for Industrial and Applied Mathematics
- The Physical Society of Japan
- Information Initiative Center, Hokkaido University
- Cyberscience Center, Tohoku University
- Center for Computational Sciences, University of Tsukuba
- Information Technology Center, The University of Tokyo
- Global Scientific Information and Computing Center, Tokyo Institute of Technology
- Information Technology Center, Nagoya University
- Academic Center for Computing and Media Studies, Kyoto University
- Cybermedia Center, Osaka University
- Research Institute for Information Technology, Kyushu University