Epco. 

EPCO Co.,Ltd. provides construction and equipment related design services to housing and construction companies in Japan. The company offers various designing services, such as water supply and drainage equipment, electrical equipment, rain gutter, housing equipment, and energy-saving equipment design. It also provides housing management services, including the operation of a call center for a housing company that handles various repairs for housing; and system development solutions for the housing-related businesses. The company was founded in 1990 and is headquartered in Tokyo, Japan.