Toyo Seikan Group Holdings Ltd. manages its group companies, which are involved in the manufacture and sale of packaging containers and equipment for packaging systems. It operates through the following segments: Packaging Container, Engineering, Filling and Logistics, Steel Plate, Functional Materials, and Real Estate Related Business. The Packaging Container Business segment manufactures and sells containers whose main raw materials are metal, plastic, paper, and glass. The Engineering, Filling, and Logistics Business segment manufactures and sells packaging container-related equipment, contracts for the manufacture and sale of filled products, and transports cargo. The Steel Plate-Related Business segmnet manufactures and sells steel plates and steel plate-related products. The Functional Materials-Related Business segment manufactures and sells functional materials such as aluminum substrates for magnetic disks, optical functional films, frits, pigments, and gel coats. The Real Estate-Related Business segment mainly rents out office buildings and commercial facilities. The company was founded on June 25, 1917 and is headquartered in Tokyo, Japan.