Kyushu Electric Power Co., Inc.
- Includes news, financial and environmental information, the Japan-Korea IT Optical Corridor Project, R&D, and distribution.
- http://www.kyuden.co.jp/

Kansai Electric Power Co., Inc. (KEPCO)
- Electric generation company involved in nuclear, thermal, and hydroelectric power, transmission and distribution, environmental protection, and related R&D.
- http://www.kepco.co.jp/english

Federation of Electric Power Companies of Japan (FEPC)
- Created to improve the operations and communinications between the ten largest electric producers in Japan. With press releases and publications, information on nuclear power, environment, and links.
- http://www.fepc.or.jp/english/

Electric Power Development Company (EPDC)
- Serves the electric power companies of Japan as a wholesale electric utility. With news, annual report, international activities, product procurements, and links.
- http://www.jpower.co.jp/english/

Yonden Shikoku Electric Power Co., Inc.
- Based in Kagawa. With corporate profile, financial statements, announcement of materials and equipment, annual report, and links.
- http://www.yonden.co.jp/index_e.htm

Tohoku Electric Power Co., Inc.
- Based in Sendai. With guide for investors, procurement information, R&D, newsletter, nuclear power and environmental information, plus regional tourism guide.
- http://www.tohoku-epco.co.jp/index-e.htm

Okinawa Electric Power Company Inc.
- Supplies electricity and maintains electrical grid over 37 islands. With profile, history, organization, and financial data in pdf format.
- http://www.okiden.co.jp/english/

Hokuriku Electric Power Company
- Contains financial and environmental annual reports, procurement guides, Hokuriku Economic Review, and guide to past electricity summit conference.
- http://www.rikuden.co.jp/english/eng-idx.htm

Hokkaido Electric Power Co., Inc.
- With profile of company, directors and management, operations, newsletter, R&D, guide to Hokkaido, and information on procurement of materials and equipment.
- http://www.hepco.co.jp/english/

Chubu Electric Power Co., Inc.
- Includes investor relations data, profile, procurements, press releases, R&D, international and environment reports, and new projects.
- http://www.chuden.co.jp/english/

Furukawa Electric Co., Ltd.
- Producer of power and equipment for its transmission, as well as semiconductors, construction materials, and optical communications. Based in Tokyo.
- http://www.furukawa.co.jp/english/