ORION Corp. manufactures and sells confectionery products, together with its subsidiaries, in South Korea, China, and internationally. Its offerings include pies, snacks, biscuits, candies, gums, chocolates, protein drinks, powders, bars, oat products, and mineral water under brands such as Dr.You, Market O, Market O Nature, and Jeju yongamsoo. The company also produces and distributes films, provides in vitro diagnostics for early cancer detection and vaccines for contagious diseases, manufactures food and beverage products, processes agricultural products, and makes pulp and paper products. Formerly Tongyang Confectionery Corporation, it changed its name to Orion Corporation in 2003, was founded in 1956, and is headquartered in Seoul, South Korea.