| Earth Chemical Co., Ltd. |
Dainichiseika Color & Chemicals Mfg. Co., Ltd. |
| Asahi Kasei Corp. |
Dai Nippon Toryo Company, Limited |
| Asahi Glass Co., Ltd. |
Daihachi Chemical Industry Co., Ltd. |
| Astellas Pharma Inc. |
TAIYO NIPPON SANSO CORPORATION |
| ADEKA CORPORATION |
Dow Chemical Japan Limited |
| ERM Japan Ltd. |
TAOKA CHEMICAL COMPANY, LIMITED |
| Eastman Chemical Japan Ltd. |
Taki Chemical Co., Ltd. |
| Ishihara Sangyo Kaisha, Ltd. |
Takeda Chemical Industries, Ltd. |
| Idemitsu Kosan Co., Ltd. |
Chugai Pharmaceutical Co., Ltd. |
| ITOCHU Corporation |
CHUGOKU KAYAKU CO., LTD. |
| IHARA CHEMICAL INDUSTRY CO., LTD. |
DIC Corporation |
| WILBUR-ELLIS CO., (JAPAN) LTD. |
DSM Japan K.K. |
| Ueno Fine Chemicals Industry Ltd. |
Tayca Corporation |
| UBE Industries, Ltd. |
TEIJIN LIMITED |
| AIR WATER INC. |
Du Pont Kabushiki Kaisha |
| Air Products Japan, Inc. |
Denka Company Limited |
| Eisai Co., Ltd. |
TOAGOSEI CO., LTD. |
| ExxonMobil Japan Godo Kaisha |
TOKAI CARBON CO., LTD. |
| NUC Corporation |
TOKYO OHKA KOGYO CO., LTD. |
| Evonik Japan Co., Ltd. |
Tokyo Chemical Industry Co., Ltd. |
| EMORI & CO.,LTD. |
Tosoh Corporation |
| LSI Medience Corporation |
Tonen Chemical Corporation |
| Ouchishinko Chemical Industrial Co., Ltd. |
TOHO CHEMICAL INDUSTRY CO., LTD |
| Okura Industrial Co., Ltd. |
Toyo Ink SC Holdings Co., Ltd. |
| OSAKA SODA CO., LTD. |
Toyo Gosei Co., Ltd. |
| Osaka Organic Chemical Industry Ltd. |
Toray Industries, Inc. |
| Otsuka Chemical Co.,Ltd. |
Toray Research Center, Inc. |
| Carlit Holdings Co., Ltd. |
Tokuyama Corporation |
| Kao Corporation |
TODAKOGYO CORP |
| Katakura ＆ Co-op Agri Corporation |
Toyota Tsusho Corporation |
| Kaneka Corporation |
NAGASE & CO., LTD. |
| Kawasaki Kasei Chemicals Ltd. |
Nankai Chemical Industry Co., Ltd. |
| The Kansai Coke and Chemicals Co., Ltd. |
NOF CORPORATION |
| Kansai Paint Co.,Ltd. |
Nissan Chemical Industries, Ltd. |
| KANTO CHEMICAL CO., INC. |
NITTO DENKO CORPORATION |
| KANTO DENKA KOGYO CO., LTD. |
Nippon Kayaku Co., Ltd. |
| Gifu Shellac Manufacturing Co., Ltd. |
ZEON CORPORATION |
| Canon Inc |
AIR LIQUIDE Japan Ltd. |
| Kyowa Hakko Kirin Co., Ltd |
NIPPON CARBIDE INDUSTRIES CO.,INC. |
| Clariant (Japan) K.K. |
JAPAN CHEMICAL QUALITY ASSURANCE LTD. |
| KURARAY CO., LTD. |
NIPPON CHEMICAL INDUSTRIAL CO., LTD. |
| Kurita Water Industries Ltd. |
NIHON KAGAKU SANGYO CO., LTD. |
| KUREHA CORPORATION |
Nippon Kasei Chemical Company Limited |
| Croda Japan KK |
Japan Chemical Database Ltd. |
| K.I Chemical Industry Co., Ltd. |
The Nippon Synthetic Chemical Industry Co., Ltd. |
| KH Neochem Co.,Ltd. |
Sika Ltd. |
| Chemours Co.,Ltd. |
NIPPON SHOKUBAI CO., LTD. |
| KOEI CHEMICAL CO., LTD. |
NIPPON FINE CHEMICAL CO., LTD. |
| CSM japan K.K. |
Nippon Soda Co., Ltd. |
| KOKUYO Co.,Ltd |
NIPPON NYUKAZAI CO., LTD. |
| KONICA MINOLTA, INC. |
NIHON NOHYAKU CO., LTD. |
| Konishi Co., Ltd. |
Nihon Parkerizing Co.,Ltd. |
| Sakai Chemical Industry Co., Ltd. |
Nippon Paint Holdings Co., Ltd. |
| Sasol Chemicals Japan KK |
Lubrizol Japan Limited |
| SABIC Japan LLC |
THE PILOT INK CO.,LTD |
| SANKO CO., LTD |
T. HASEGAWA CO., LTD. |
| Sanyo Chemical Industries, Ltd. |
BASF Japan Ltd. |
| JSR Corporation |
Hitachi Chemical Company, Ltd |
| JSP Corporation |
FUJIFILM Holdings Corporation |
| JX Nippon Oil & Energy Corporation |
FUJIMI INCORPORATED |
| JNC CORPORATION |
Bell Polyester Products,Inc. |
| Chevron Japan Ltd. |
Hokkaido Soda Co., Ltd. |
| Shell Chemicals Japan Ltd． |
HOKKO CHEMICAL INDUSTRY CO., LTD |
| SHIKOKU CHEMICALS CORPORATION |
HODOGAYA CHEMICAL CO., LTD. |
| SHISEIDO Company, Ltd. |
Polyplastics Co., Ltd. |
| SHOKO CO., LTD. |
Honshu Chemical Industry Co., Ltd. |
| Showa Denko K.K. |
MANAC Incorporated |
| Shin-Etsu Chemical Co., Ltd. |
Maruzen Petrochemical Co., Ltd. |
| NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD. |
Marubeni Corporation |
| New Japan Chemicalco.,Ltd. |
Du Pont-Mitsui Fluorochemicals Co., Ltd. |
| Sumika Covestro Urethane Co., Ltd. |
Du Pont-Mitsui Polychemicals Co., Ltd. |
| Sumika Chemical Analysis Service, Ltd. |
Mitsui Chemicals, Inc. |
| Sumitomo Chemical Company, Limited |
Mitsui & Co., Ltd. |
| Sumitomo Corporation |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
| Sumitomo Seika Chemicals Co., Ltd. |
Mitsubishi Chemical Holdings Corporation |
| SUMITOMO BAKELITE CO., LTD. |
Mitsubishi Corporation |
| 3M Japan Limited |
Mitsubishi Shoji Foodtech Co., LTD. |
| Seiko Epson Corporation |
Mitsubishi Materials Corporation |
| Sekisui Chemical Co., Ltd. |
Methanex Japan Limited |
| Sekisui Plastics Co., Ltd. |
Media Service Ltd |
| Celanese Japan Limited |
Merck Ltd. |
| Central Glass Co., Ltd. |
UMG ABS, Ltd. |
| Soken Chemical & Engineering Co., Ltd. |
YUKI GOSEI KOGYO CO., LTD. |
| Sojitz Corporation |
UNIMATEC Co., LTD. |
| SOLAR CO., LTD. |
Lion Corporation |
| Solvay Japan, Ltd. |
Rasa Industries, Ltd. |
| Dai-ichi Kogyo Seiyaku Co., Ltd. |
Rohm and Haas Japan K.K. |
| Daiichi Sankyo Co., Ltd. |
Rohm and Haas Electronic Materials K.K. |
| Daikin Industries, Ltd. |
Wako Pure Chemical Industries, Ltd. |
| Daicel Corporation |
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