The member's nature conservation activity
- DENSO Corpration
- Fuji Photo Film Co., Ltd.
- Fuji Xerox Co., Ltd.
- FUJITSU Limited
- Hitachi, Ltd.
- Hokkaido Electric Power Co., Inc.
- Honda Motor Co., Ltd.
- JTB Corpration
- The Kansai Electric Power Co., Inc.
- Maeda Corporation
- Mitsui & Co., Ltd.
- Nippon Life Insurance Company
- Nippon Paper Industries Co., Ltd.
- NIPPON YUSEN KABUSHIKI KAISHA
- Oji Paper Co., Ltd.
- Sanyo Electric Co., Ltd.
- Shimizu Corporation
- SOMPO JAPAN INSURANCE INC.
- Sumitomo Forestry Co., Ltd
- The Sumitomo Trust & Banking Co., Ltd.
- Suntory Limited
- Taisei Corporation
- Tokio Marine & Nichido Fire Insurance Co., Ltd.
- Toyota Motor Corporation