●Corporations engaged in environmental consultancy or environmental monitoring/analysis services
- Ides Inc.
- Asia Air Survay Co., Ltd.
- IDEA Consultants, Inc.
- Eight-Japan Engineering Consultants Inc
- Ex Corporation
- Osumi Co.,Ltd (Japanese Website Only)
- Oriental Consultants Global Co.,Ltd
- THE GENERAL ENVIRONMENTAL TECHNOS Co., LTD.
- CTI Engineering International Co., Ltd
- Kokusai Kogyo Co., Ltd.
- Suuri-Keikaku Co., Ltd. (Japanese Website Only)
- Techno Chubu Co., Ltd. (Japanese Website Only)
- Pacific Consultants Co., Ltd.
- Hitachi Zosen Corporation
- Hiyoshi Ecological Services Co., Ltd.
- Fujitsu Limited
- Yachiyo Engineering Co., Ltd.
- Yuko-Keiso Co., Ltd.
●Corporations engaged in the manufacturing or construction of environmental protection facilities, in production or sale of environmental monitoring equipment, or in other related business entities.
●Local governments and other non-profit organizations engaged in activities for the conservation of the environment.
- Kawasaki City
- Northwest Pacific Region Environmental Cooperation Center (NPEC)
- Kitakyushu City
- Kitakyushu International Techno-cooperative Association (KITA)
- Saitama Prefecture
- Japan Environmental Management Association for Industry (JEMAI)
- Shiga Prefecture
- Global Environment Centre Foundation (GEC)
- Institute for Global Environment Strategies (IGES)
- The Tokyo Chamber of Commerce and Industry
- Japan Environmental Sanitation Center (JESC)
- Japan Industrial Waste Information Center (JW Center)
- Japan Quality Assurance Organization (JQA)
- Yokohama City