1. Research Center, Ando Corporation
2. Building Research Institute, Ministry of Construction
3. Technical Research Institute, Hazama Corporation
4. Technical Research Institute, Matsumura Gumi Corporation
5. Research & Development Center, Dai Nippon Construction
6. Technical Research Institute of Obayashi Corporation
7. Technical Research Center, Aoki Corporation
8. Ohmoto Gumi Co., Ltd.
9. Technical Research Institute, Asanuma Corporation
10. Penta-Ocean Construction Co., Ltd.
11. Department of Architecture, Faculty of Engineering, Kyushu University
12. Department of Architecture, Faculty of Engineering, Mie University