EPCO Co., Ltd. engages in consulting business related to housing facilities. It operates through the following segments: Design Service, Maintenance Service, and System Development. The Design Service segment provides architectural, water supply, electrical, and drainage facility designs. The Maintenance Service segment handles housing repairs. The System Development segment offers system development outsourcing and application services to companies that deals in energy saving. The company was founded by Yoshiyuki Iwasaki in November 1988 and is headquartered in Tokyo, Japan.