JESCO Holdings, Inc. engages in the provision of nuclear power plant electrical instrumentation construction services. It handles the design and construction of electrical equipment, information and communication systems, and large-scale display systems of the production, operation, and maintenance of the facilities. It operates through the following business segments: Domestic Engineering Procurement Construction (EPC) Business, ASEAN EPC, Corporate Real Estate, and Others. The Domestic EPC segment deals with electronic toll collection, disaster management radio, fire radio, closed-circuit television, mobile communication construction, amusement, facilities, solar light, and material delivery. The ASEAN EPC segment handles design (electrical, communication, and electrical instrumentation), construction (electrical, machinery, air conditioning), and import and export of materials and human resources services focusing on Vietnam. The Corporate Real Estate segment manages lease of real estate property. The Others segment includes business besides those segments mentioned. The company was founded by Toshihiro Matsumoto on August 21, 1970 and is headquartered in Tokyo, Japan.