Sanyo Engineering & Construction Inc. engages in the business of electrical and instrumentation equipment services. It operates through the following divisions: Electrical Works, Electric Power Works, Air Conditioning & Plumbing Works, and Equipment Manufacturing. The Electrical Works segment handles the design and construction of instrumentation equipment, indoor and outdoor electrical equipment construction, extension communication equipment construction, and construction of various electric plants. The Electric Power Works segment covers the design of power distribution wires construction (fictional, underground), issues substation facilities construction, and information and communication equipment construction services. The Air conditioning & Plumbing Works segment carries out air conditioning equipment construction; and design and construction of plumbing works. The Equipment Manufacturing segment deals with the design, fabrication and protection of high and low pressure power distribution services. The company was founded by Sadaichi Yahata in January 1937 and is headquartered in Tokyo, Japan.