Asahi Kasei Corp. operates as a holding company which provides monitoring, planning, and strategic management to its subsidiaries and affiliates. Its operations are carried out through the following segments: Materials, Housing, Health Care, and Others. The Materials segment includes caustic soda, chlorine, acrylonitrile, styrene, methyl methacrylate, adipic acid, polyethylene, polystyrene, and other petrochemicals. The Housing segment includes "Long Life Home" products and also provides remodeling, real estate, and urban redevelopment. The Health Care segment includes pharmaceuticals and diagnostic reagents. The Others segment includes engineering, employment agency and temporary staffing services. The company was founded on May 21, 1931 and is headquartered in Tokyo, Japan.