JESCO Holdings, Inc. engages in the business of electric instrumentation services at nuclear power plants. 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.