ICS Convention Design, Inc.
AQUATELLUS CO.,LTD
ASAHI BREWERIES, LTD.
IDEA Consultants, Inc.
Water One Co., Ltd.
VEOLIA WATER JAPAN K.K.
S. S Company LTD.
Edogawa City
Ebara Corporation
F&A Aqua Holdings, Inc.
Water Service Bureau in Kawaguchi City
OJI PAPER CO.,LTD.
Oriental Consultants Company Limited
Organo Corporation


Kao Corporation
KAJIMA CORPORATION
Foundation of River & Watershed Environment Management
Foundation Of River & Basin Integrated Communications,JAPAN
Association for Pump System Engineering
Water Service Bereau, Kawaguchi-City
KISUI water treatment design & engineering INC.
Canon Inc.
NOMURA SEA FOODS
KINKI NIPPON TOURIST CO., LTD.
KUBOTA Corporation
KURITA WATER INDUSTRIES LTD.
CIVIL ENGINEERING AND ECO-TECHNOLOGY CONSULTANTS CO.,LTD.
CTI Engineering Co., Ltd.
Infrastructure Development Institute-Japan
Japan Institute of Construction Engineering
COSMO HEALTH Co., Ltd.


SUNTORY LIMITED
SHIMADZU CORPORATION
SHIMIZU CORPORATION
SHOWARASENKAN SEISAKUSHO CO., LTD.
Swing Corporation
The Sumitomo Trust and Banking Co., Ltd.
SEKISUI CHEMICAL CO., LTD.
Central Consultant Incorporation
Water Re-Use Promotion Center


Daiko Advertizing, Inc.
Taisei Kiko, Ltd.
Taisei Corporation
TANAKA METAL FACTORY CO., LTD.
Tamano Consultants Co. Ltd
Japan Dam Engineering Center
Water Resources Environment Technology Center
TAMURA Co,. Ltd.
TEIJIN Limited.
Electric Power Development Co.,Ltd
DENTSU INC
Tokyu Corporation
Tokyo Kensetsu Consultants Co., Ltd
TOKYO ELECTRIC POWER COMPANY
Bureau of Waterworks, Tokyo Metropolitan Government
Tokyo University of Science, Suwa
TOKYO ELECTRIC POWER SERVICES CO.,LTD
Toray Industries, Inc.
Totetu Co.,Ltd
TODOROKI CORPORATION
Incorporated Administrative Agency Public Works Research Institute,International Centre for Water Hazard and Risk Management under the auspices of UNESCO
Toyota Motor Corporation
TORISHIMA PUMP MFG. CO., LTD.


Niimi Co., Ltd.
WEST JEC (West Japan Engineering Consultants, Inc.)
Nikko Asset Management Co., Ltd
Nitto Denko Corporation
NIHON SUIDO CONSULTANTS CO., LTD.
NGK INSULATORS,LTD.
Japan River Association
JAPAN SEWAGE WORKS ASSOCIATION
JS
Japan Sewage Treatment Plant Constructors Association
Japan Construction Information Center
Nippon Koei Co., Ltd
Coca-Cola (Japan) Company Limited
JAPAN WATER WORKS ASSOCIATION
FEDERATION OF JAPAN WATER INDUSTRIES INC.
Japan Ductile Iron Pipe Association
Japan Management Association
Japan Project-Industry Council
Japan Radio Co.,Ltd.
Japanese Trade Union Confederation
NEWJEC Inc.
Nomura Research Institute, Ltd.


HAKUHODO INCORPORATED
Pacific Consultants Co., LTD
Hashimoto Technical Service Co.,Ltd
Hitachi Plant Technologies, Ltd.
HIROCON CO.,LTD.
FUSO DENTSU CO., LTD.
BRUCE TRAVEL CO., LTD.
Procter & Gamble Japan K. K.
River Center of HOKKAIDO
JAPAN WATER RESOURCES ASSOCIATION


MURAYAMA INC.
METAWATER Co.,Ltd.
YACHIYO ENGINEERING CO., LTD.
Foundation for Riverfront Improvement and Restoration
Water CSR Japan

(Last Update:October 25, 2011)