- Headquarters for Ocean Policy, Cabinet Secretariat
- Saga Prefecture (Saga Prefecture is the best field for marine recyclable energy.)
- Karatsu City
- Institute of Ocean Energy, Saga University of Japan (IOES)
- Saga Genkai Fishermen’s Cooperative
- Saga Genkai Fishermen’s Cooperative Yobuko CAS Center
- Saga Prefectural Regional Industry Support Center
- Karatsu Tourist Association
- MODEC, Inc.
- Namura Shipbuilding Co., Ltd.
- Home Tax Payment Site "Furusato choice"