| 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.
|