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 Business, Steel Plate-related Business, Functional Materials-related Business, Real Estate-related Business, and Other Businesses. The Packaging Business segment manufactures and markets containers and general filling products. The Steel Plate-related Business segment includes steel plate materials for cans, electronic components, and industry machinery parts. The Functional Materials-related Business segment sells aluminum substrates for magnetic disks, functional films for optics, pigments, and gel coats. The Real Estate-related Business segment leases office buildings and commercial facilities. The Other Businesses segment includes automobile press dies, hard alloys, and non-life insurance agency business. The company was founded on June 25, 1917 and is headquarte