• Mitsubishi Electric Information Systems Corporation

http://www.mdis.co.jp/

• Mitsubishi Electric Information Technology Corporation

http://www.mdit.co.jp/index.htm

• Mitsubishi Electric Business Systems Corporation

http://www.melb.co.jp/

• Super Communications, Inc.

http://www.supercoms.co.jp/

• Japannet Corporation

http://www.japannet.jp/