Sanki Engineering Co., Ltd. engages in the provision of building construction and engineering services. It operates through the following segments: Facilities Construction, Machinery Systems, Environmental Systems, Real Estate and Others. The Facilities Construction segment offers general facilities services. The Machinery Systems segment handles industrial facilities such as factory automation systems, logistics systems, and conveyor equipment. The Environmental Systems segment provides environmental sanitation equipment such as sewers cleaning equipment. The Real Estate segment leases and manages real estate properties. The Others segment covers the leasing business and insurance agency business. The company was founded on April 22, 1925 and is headquartered in Tokyo, Japan.