[Government administration office]

• Ministry of Economy, Trade and Industry
• Ministry of Finance
• Ministry of Land, Infrastructure, Transport and Tourism
• Fire and Disaster Management Agency
• Ministry of Education, Culture, Sports, Science and Technology
• Ministry of Defense
• National Police Agency
• National Printing Bureau
• National Institute of Technology and Evaluation (NITE)
• Building Research Institute
• National Institute of Advanced Industrial Science and Technology (AIST)
• Forest Research and Management Organization
• Public Works Research Institute (PWRI)
• National Institute for Materials Science (NIMS)
• Institute of Physical and Chemical Research (RIKEN)
• The National Agriculture and Food Research Organization (NARO)
• Industrial Technology Center of each prefecture

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[School]

• National, prefectural, and private universities: Faculty of Science, Engineering, Agriculture, Home Economics, and affiliated research institutes
• Testing laboratory

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[Private-sector corporation]

• Asahi Kasei Corporation
• Achilles Corporation
• ASICS Corporation
• Ajinomoto Co., Inc.
• ADEKA Corporation
• Idemitsu Kosan Co.,Ltd.
• Ichikoh Industries, Ltd.
• UBE Corporation
• AGC Inc.
• NOK Corporation
• Oji Holdings Corporation
• Obayashi Corporation
• Okamoto Industries, Inc.
• Kao Corporation
• Kansai Paint Co., Ltd.
• Kaneka Corporation
• Kajima Corporation
• Canon Inc.
• KYOCERA Corporation
• Kinugawa Rubber Industrial Co., Ltd.
• Kuraray Co., Ltd.
• Kureha Corporation
• Konica Minolta, Inc.
• DNP Fine Chemicals Co., Ltd.
• SABIC Petrochemicals Japan LLC
• ENEOS Materials Corporation
• Resonac Corporation
• SWCC Corporation
• Sharp Corporation
• Shiseido Company, Limited
• Shin-Etsu Chemical Co., Ltd.
• Shin-Etsu Polymer Co.,Ltd.
• Nippon Steel Corporation
• JFE Holdings, Inc.
• ENEOS Corporation
• Suzuki Motor Corporation
• Sumitomo Chemical Company, Limited
• Sumitomo Electric Industries, Ltd.
• Sumitomo Rubber Industries, Ltd.
• 3M Japan Limited
• Sekisui Chemical Company, Limited
• Sony Corporation
• Daikin Industries, Ltd.
• Dai Nippon Printing Co., Ltd.
• Dai Nippon Toryo Company, Limited
• Takenaka Corporation
• Daicel Corporation
• Taisho Pharmaceutical Holdings Co., Ltd.
• Dainichiseika Color & Chemicals Mfg.Co.,Ltd.
• Daihatsu Motor Co., Ltd.
• JNC Corporation
• Techno-UMG Co., Ltd.
• Teraoka Seisakusho Co., Ltd.
• Denso Corporation
• DIC Corporation
• DJK Corporation
• TDK Corporation
• Denka Company Limited
• Teijin Limited
• Sumitomo Riko Company Limited
• Toray Industries, Inc.
• Toyo Ink SC Holdings Company, Limited
• Toyo Tire Corporation
• Toshiba Corporation
• Toppan Inc.
• Toyoda Gosei Co., Ltd.
• Toyota Motor Corporation
• Tokuyama Corporation
• Tosoh Corporation
• Zeon Corporation
• Japan Tobacco Inc.
• NEC Corporation
• Nippon Telegraph and Telephone Corporation
• Nippon Paint Co., Ltd.
• Nissan Motor Co., Ltd.
• IBM Japan, Ltd.
• Japan Polypropylene Corporation
• Japan polyethylene Corporation
• Nisshinbo Holdings Inc.
• Nitto Denko Corporation
• Panasonic Holdings Corporation
• BASF Japan Ltd.
• Hitachi, Ltd.
• Proterial, Ltd.
• Furukawa Electric Co., Ltd.
• FUJIFILM Holdings Corporation
• Fujikura Ltd.
• Fuji Electric Co., Ltd.
• Subaru Corporation
• Bridgestone Corporation
• Fujitsu Limited
• Honda R&D Co.,Ltd.
• Hokuetsu Corporation
• Polyplastics Co., Ltd.
• Mazda Motor Corporation
• Mitsui Chemicals, Inc.
• Mitsubishi Engineering-Plastics Corporation
• Mitsubishi Chemical Group Corporation
• Mitsubishi Gas Chemical Company, Inc.
• Mitsubishi Electric Corporation
• Mitsubishi Cable Industries, Ltd.
• Mitsubishi Paper Mills Limited
• Murata Manufacturing Company, Ltd.
• Yazaki Parts Co., Ltd.
• Yamaha Corporation
• Unitika Ltd.
• Unimatec Co., Ltd.
• The Yokohama Rubber Co., Ltd.
• Lion Corporation
• Ricoh Company, Ltd.
• Riken technos Corporation
• YKK Corporation

etc.