Sermsuk Public Company Limited, together with its subsidiaries, manufactures and distributes soft drinks and beverages in Thailand. It operates through two segments, Carbonated Soft Drink and Non-Carbonated Soft Drink. The company provides drinking water, sport drinks, energy drinks, and other beverages, as well as distributes tea, soda, and other beverages. It offers its products under the v-boost, est, Crystal, Oishi, 100 Plus, Jubjai, Sarsi, Rock Mountain, Ranger, and Powerplus brands. The company was founded in 1952 and is headquartered in Bangkok, Thailand. Sermsuk Public Company Limited is a subsidiary of So Water Co., Ltd.