- Steel
- NIPPON STEEL CORPORATION
JFE Steel Corporation
Kobe Steel, Ltd. - Heavy industries
- Mitsubishi Hitachi Power Systems, Ltd.
Kawasaki Heavy Industries, Ltd.
IHI Corporation
Sumitomo Heavy Industries, Ltd. - Paper
- Oji Paper Co., Ltd.
Nippon Paper Industries Co., Ltd.
Rengo Co., Ltd. - Energy
- Tohoku Electric Power Co., Inc.
Hokkaido Electric Power Co., Inc.
The Kansai Electric Power CO., INC. - Industrial machinery
- KUBOTA Corporation
EBARA CORPORATION - Aviation
- Japan Airlines Co., Ltd.
All Nippon Airways Co., Ltd. - Semiconductors
- SUMCO CORPORATION
