TOKYO ENERGY & SYSTEMS INC. is a Japan-based company mainly engaged in design and construction of electric power facilities and general electric facilities. The facility construction business is engaged in the construction and maintenance of thermal power generation facilities, nuclear power generation facilities, hydroelectric power generation facilities and solar power generation facilities, as well as the design and construction of substation facilities, general electric facilities, information communication facilities, and air conditioning equipment. The Company also involves in leasing and management of real estate, leasing and rental of tools, fixtures and vehicles, as well as provision of insurance agency business.