| Associations of Plastics Material Producers |
| Japan
Urethane Raw Materials Association |
| Vinyl
Environmental Council |
| Japan
Engineering Plastics Technical Committee |
| Japan Thermosetting Plastics Industry Association |
| Japan
Petrochemical Industry Association |
| Japan ABS Resin Industry Association |
| Japan Styrene Industry Association |
| Japan Expanded Polystyrene Association |
| Polycarbonate Resin Manufacturers Group |
| Associations of Plastics Product Producers |
| Japan
Urethane Foam Association |
| Japan
PVC Pipe and Fittings Association |
| Japan Crosslinked Polyethylene Pipes |
| FRPM Pipes Association of Japan |
| Polyethylene pipe and fittings for facility water association |
| High Stiffness Polyethylene Pipes Association |
| High Expanded Polyethylen Foam Industry Association |
| The Japan Smoking Articles Corporate Association |
| Japan Construction Material & Housing Equipment Industries Federation |
| Japan BioPlastics Association |
| Japan
Vinyl Goods Manufactures Association |
| Japan
Fluoropolymers Industry Association |
| Japan Plastic Food Container Association |
| Japan Plastic Sheet Association |
| Japan Polyethylene Products Industrial Federation |
| Japan Polyethylene Pipe System Association |
| Japan Polyolefin Film Industry Trade Association |
| Japan Polypropylene Film Industry Association |
| Japan
Polystyrene Foamed Sheet Industry Association |
| Japan
PET Tray Association |
| Japan Polybutylene Pipe Association |
| Other Associations |
| Japan Aerospace Exploration Agency |
| The Japan Society of Epoxy Resin Technology |
| Japan Technology Association of Poly Vinylidene Chloride |
| Japan Chemical Innovation and Inspection Institute |
| Japan Plasticizer Industry Association |
| Glass Fiber Association of Japan |
| Society of Industrial-Technology for Antimicrobial Articles |
| The Carbon Fiber Manufacturers Association |
| Japan RPF Association |
| THE JAPAN GAS ASSOCIATION |
| Japan Pipe Rehabilitation Quality Assurance Association |
| Japan Adhesive Industry Association |
| The Association of Postconsumer PET Bottle Recyclers Japan |
| Japan Barrier Society |
| Plastic
Waste Management Institute |
| Japan
PET Bottle Association |
| Companies of Plastics Material Producers |
| Asahi Kasei Corp. |
| Idemitsu Kosan Co., Ltd. |
| UBE Corporation |
| KANEKA Corporation |
| Kuraray Co., Ltd. |
| JSP Corporation |
| Shin-Etsu Chemical Co., Ltd. |
| Sumitomo Chemical Co., Ltd. |
| Sekisui Kasei Co., Lit |
| DIC Corporation |
| Denka Company Limited |
| Tosoh Corporation |
| Toray Industries, Inc. |
| Toyo Styrene Co., Ltd. |
| Japan Polychem Corporation |
| PS Japan Corporation |
| Prime Polymer Co., Ltd. |
| Polyplastics Co., Ltd. |
| Mitsui Chemicals, Inc. |
| Mitsubishi Chemical Corporation |
| Companies of Plastics Product Producers |
| Achilles Corporation |
| Ishizaka Sangyo Co., Ltd. |
| ISHIZUKA CHEMICAL SANGYO CO.,LTD |
| ISONO CO.,LTD. |
| FP Corporation |
| ohmi-bussan Co., Ltd. |
| Gifu Plastic Industry Co., Ltd. |
| Kotec Corporation |
| Kubota ChemiX Co., Ltd. |
| SUNDIC Incorporated |
| JFE Engineering Corporation |
| CP CHEMICAL INCORPORATED |
| SCHÜTZ Container Systems Co., Ltd. |
| Sumitomo Bakelite Co., Ltd. |
| Sekisui Chemical Co., Ltd. |
| TAISEIPLAS Co., Ltd. |
| TAIBO Co.,Ltd |
| C.I. TAKIRON Corporation |
| DAIDOKASEI CO., LTD. |
| Chuo Kagaku Co., Ltd. |
| TOKYO ECO RECYCLE CO.,LTD. |
| Toyo Seikan Co.,Ltd. |
| TOYOBO CO., LTD |
| Toyama Kankyo Seibi Co. Ltd., |
| NIKKO Kasei Co., Ltd |
| JEPLAN, INC. |
| NIPPON CHUTETSUKAN K.K. |
| Proterial, Ltd. |
| Fukuvi Chemical Industry |
| FUJIFILM Corporation |
| FUTAMURA CHEMICAL CO.,LTD. |
| Mitsui Chemicals Industrial Products Co., Ltd. |
| Yupo Corporation |
| Yoshino Kougyousho Co., Ltd. |
| Companies of Machineries |
| GTR TEC Corporation |
| Shimadzu Corporation |
| Suga Test Instruments Co., Ltd. |
| TOKYO SYSTEM VAC.,INC. |
| Tohoku Electronic Industrial CO., Ltd. |
| Toyo Seiki Seisaku-sho, Ltd. |
| NISSEI ASB MACHINE CO., LTD. |
| YASUDA SEIKI SEISAKUSHO,LTD |
| Companies of Analysis Service |
| Kobe Material Testing Laboratory Co., Ltd. |
| Sumika Chemical Analysis Service, Ltd. |
| DJK Corporation |
| Mitsui Chemical Analysis & Consulting Service Inc. |
| RHOMBIC Corporation |
| Trading Companies |
| NCT Chemical Co., Ltd. |
| KISCO LTD. |
| SUMITOMO SHOJI CHEMICALS CO., LTD. |
| Sojitz Pla-Net Corporation |
| Toyota Tsusho Corporation |
| Nagase & Co., Ltd. |
| Pana Chemical Co., Ltd. |
| Mitsubishi Corporation Plastics Ltd. |
| Other Companies |
| Chubu Electric Power Miraiz Co., Inc. |
| JGC HOLDINGS CORPORATION |
| JAPAN NUS CO.,LTD. |
| Fuji Baking Co., Ltd. |
| Mitsubishi Research Institute |
