Asahi kasei Industry Co.,Ltd.
Ishikawajima Harima heavy industry Co.,Ltd.
Iseki farm machinery Co.,Ltd.
Osaka gas
Kawasaki heavy industry Co.,Ltd.
Kinki syaryou Co.,Ltd.
Kubota Co.,Ltd.
Kobe seikousyo Co.,Ltd.
Komatsu seisakusho Co.,Ltd.
Shikoku Electric Power
Shimazu seisakusho Co.,Ltd.
Shin Nippon Seitetsu Co.,Ltd.
Sumitomo Chemical Industry Co.,Ltd.
Sumitomo Metal Industry Co.,Ltd.
Sumitomo Heavy Machine Industry Co.,Ltd.

Toshiba Co.,Ltd.
Tore engineering Co.,Ltd.
Nippon kokan Co.,Ltd.
Japan Highway Pubric Corporation
Hitachi seisakusho Co.,Ltd.
Hitachi shipbuilding Co.,Ltd.
Honda giken Industry Co.,Ltd.
Matsushita Erectric Industry Co.,Ltd.
Mitsui shipbuilding Co.,Ltd.
Mitsubishi kasei Industry Co.,Ltd.
Mitsubishi heavy industry Co.,Ltd.
Mitsubishi Electric Co.,Ltd.
Murata Machinery Co.,Ltd.
Yamaha Motor Co.,Ltd.
Yamma Diesel Co.,Ltd.

ĶAnd we have dealing with about 200 companies.