Zest-O

Zest-O Corporation
Trade name	Zest-O
Formerly	SEMEXCO Marketing Corporation (1980–1995)
Company type	Private
Industry	Food; Beverage
Founded	January 16, 1980
Founder	Alfredo Yao
Headquarters	574 EDSA, Caloocan, Metro Manila, Philippines
Area served	Worldwide
Key people	Alfredo M. Yao (Chairman and CEO); Jeffrey S. Yao (President);
Products	Juices; Soft drinks; Tea drinks; Bottled waters; Dairy products; Instant noodles; Condiments;
Brands	Zest-O; Plus; Sunglo; Beam; Quickchow
Revenue	₱2 million (2021)
Number of employees	1,000 (2022)
Website	www.zesto.com.ph

Zest-O Corporation, commonly known as Zest-O, is a Philippine privately held food and beverage company based in Caloocan. It was founded in 1980 by the businessman Alfredo M. Yao.