Zest-O Corporation was established as a privately owned family corporation in May 1981 to engage in the manufacture and distributor of food products in the Philippines. Established as SEMEXCO MARKETING CORPORATION, the company adopted the name of its flagship brand in 1995 taking pride in the phenomenal success of ZESTO the NO. 1 juice drink in the Philippines. It started operation with a clear vision to be the leading food and beverage Filipino company competing with the multinational companies. It has always kept with the ideals of providing quality products at a reasonable price to its clients.