| Asahi Kasei Corp. |
Asahi SoftDrink Sales Co., Ltd. |
Ajinomoto Co., Inc. |
ITO EN, LTD. |
| Ezaki Glico Co., Ltd. |
NEC Networks & System Integration Corporation |
EBARA CORPORATION |
Obunsha Co.,Ltd. |
| Kao Corporation |
Kagakugijyutsugakuen High School |
KAJIMA CORPORATION |
KANDENKO CO.,LTD. |
| Canon Inc. |
Kyowa Hakko Kirin Co., Ltd. |
Kumiai Chemical Industry Co., Ltd. |
Coca-Cola Bottlers Japan Inc. |
| INDUSTRIAL EMPLOYMENT STABILIZATION CENTER OF JAPAN |
Suntory Beverage Service Limited |
SANMI CORPORATION |
SANYO SHOKAI LTD. |
| JFE Steel Corporation |
Showa Denko K.K. |
NIPPON STEEL ＆ SUMITOMO METAL CORPORATION |
Subaru Corporation |
| Sumitomo Chemical Company, Limited |
Daiichi Kougeisha Co.,ltd |
Daido Steel Co., Ltd. |
CHUGAI PHARMACEUTICAL CO., LTD. |
| THK CO., LTD. |
Dean's Inc by HouseMart |
TOKYO OHKA KOGYO CO., LTD. |
Tokyo Kirin Beverage Service Company |
| TOSHIBA Corporation |
Toray Industries, Inc. |
Nippon Kayaku Co., Ltd. |
NSK Ltd. |
| The Japan Iron and Steel Federation |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
Japan Bioindustry Association |
Hitachi Construction Machinery Co., Ltd. |
| Hitachi, Ltd. |
Mitsui Chemicals, Inc. |
Mitsui Fudosan Co., Ltd. |
Mitsubishi Heavy Industries, Ltd. |
| Mitsubishi Corporation |
RICOH JAPAN Corporation |
RISO KAGAKU CORPORATION |
Remote Sensing Technology Center of Japan |
| Honorific title abbreviation as of January 31, 2019 |
