1. Advanced Materials & Technology Research Laboratories, Nippon Steel Corp., now Faculty of Engineering, Nagoya University
2. Wakayama Steel Works, Sumitomo Metal Industries, Ltd.
3. Institute for Materials Research, Tohoku University
4. Muroran Technical Research Co., Ltd.
5. Nagoya Works, Nippon Steel Corp.
6. Hikari Works, Nippon Steel Corp.
7. Fukuyama Works, NKK Corp.
8. Kawasaki Steel Techno-research Co., Ltd.
9. Takasago Works, Kobe Steel Ltd.
10. Steel Tube Works, Sumitomo Metal Industries, Ltd.
11. Sanyo Special Steel Co., Ltd.
12. Funamachi Works, Nakayama Steel Co., Ltd.
13. Yasugi Works, Hitachi Metals, Ltd.
14. Shimadzu Corp.