- Transmission & Distribution Grid Council(TDGC)
- OCCTO
- Atomic Energy Association(ATENA)
- Nuclear Waste Management Organization of Japan (NUMO)
- Radioactive Waste Management Funding and Research Center (RWMC)
- Japan Nuclear Technology Institute (JANTI)
- Japan Atomic Industrial Forum (JAIF)
- Japan Nuclear Energy Safety Organization (JNES)
- Japan Productivity Center for SOCIO-Economic Development
- New Energy Foundation (NEF)
- The New Energy Conservation Center (ECCJ)
- The Japan Electrical Manufacture's Association (JEMA)
- Hitachi, Ltd.
- IHI
- Mitsubishi Heavy Industries
- Toshiba Corporation
- Global Nuclear Fuel-Japan Co., Ltd
- Mitsubishi Nuclear Fuel Co., Ltd
- Nuclear Fuel Industries, Ltd