Sankyu Inc. engages in the provision of logistics and engineering services. It operates through the following segments: Logistics, Machinery Works, and Others. The Logistics segment offers transport, general cargo, storage, and port terminal management services. The Machinery works segment provides steelmaking machinery, equipment installation and plumbing works, construction of environmental maintenance facilities and general industrial machinery production as well as petrochemical and power-related equipment. The Others segment includes information system, staffing, insurance agency, equipment leasing, and civil engineering-related services. The company was founded by Seishichiro Nakamura on October 1, 1918 and is headquartered in Tokyo, Japan.