JESCO Holdings, Inc. operates in renewable energy, electrical wireless, and electrical communications facility construction through its subsidiaries. It designs and builds high-voltage mega-solar power plants, private solar power systems, high-voltage substations, and power transmission lines. The company also provides information infrastructure such as mobile base stations, CCTV monitoring systems, disaster prevention radio communication, expressway information communication systems, and industrial surveillance camera systems. Additionally, it undertakes electrical installation for public facilities including factories, theaters, amusement facilities, and sports facilities, as well as video and audio systems, ground lighting, scoreboards, plumbing, instrumentation, and theater lighting. It offers electrical systems for international airports, disaster management information systems, and condominium electrical, air conditioning, sanitation, and fire protection systems. Formerly known as JESCO Co., Ltd., it changed its name to JESCO Holdings, Inc. in September 2004. Incorporated in 1970, it is headquartered in Minato, Japan.