Totech Corp. engages in the manufacture and sale of air conditioners, electrical devices, and environmental systems. It operates through the following segments: Product Sales, Construction, and Other. The Product Sales segment offers air-conditioning equipment, energy-saving equipment, control equipment, and after-sales services. The Construction segment deals with instrumentation work, electrical work, plumbing, and machinery installation. The Other segment includes solar power generation business. The company was founded on July 6, 1955 and is headquartered in Tokyo, Japan.