| Company Name |
| KOHJIN Co., Ltd. |
| Matsumura Oil Research Corp. |
| SHIMADZU CORPORATION |
Institute of Immunology Co., Ltd. |
| Peptide Institute, Inc. |
| Resarch Institute for Microbaial Diseases, Osaka University |
| JAPAN QUALITY ASSURANCE ORGANIZATION |
| Dow Corning Co. |
| STELLA CHEMIFA CORPORATION |
| Fujicco Co., Ltd. |
| MANAC Incorporated |
Mikuni Chemical Industries Co., Ltd. |
| Kaken Pharmaceutical Co.,Ltd. |
| KYOWA HAKKO KOGYO CO., LTD. |
| Mitsuwa Chemicals Co., Ltd. |
|
|
| Company Name |
| MITSUBISHI CHEMICAL CORPORATION |
| SHOWA ETHER CO.,LTD. |
| Shin-Etsu Chemical Co., Ltd. |
| Nitta Gelatin Inc. |
| DAI-ICHI KOGYO-SEIYAKU CO., LTD. |
| TEIJIN CHEMICALS LTD. |
| Dow Corning Toray Silicone Co.,Ltd. |
| TOYOBO CO., LTD. |
| Nikko Chemicals Co., Ltd. |
| Nitto Boseki Co.,Ltd. |
| JSR Corporation |
| Tomiyama Pure Chemical Industries, Limited |
| Fuji Systems Corp. |
| AJINOMOTO Co., Inc. |
| YANAGISHIMA PHARMACEUTICAL CO.,LTD. |
|
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