Southern Archipelago Ltd. is an investment holding company, which engages in the provision of sterilization and polymerization services. It operates through the following segments: Investment Holding; Sterilisation; and Property. The Investment Holding segment holds interests in shares, warrants, and debentures. The Sterilisation segment offers contract sterilization and polymerization solutions to food packaging, medical devices, cosmetic raw materials, and consumers products. The Property segment develops properties for sale, long-term holding of properties for rental, and related income. The company was founded on April 26, 1993 and is headquartered in Singapore.