食品加工
Food processing plants in Calamba like Zenith Foods Corp. (central commissary of Jollibee Foods Corporation), where its sauces and food products (i.e. burger, pies, fries, etc.) are first made before distributing to Jollibee outlets is currently the most advanced food processing plant in the Philippines and one of the best in Asia. Other food and beverage processing plants in Calamba are Rebisco, RC Cola, Monde-M.Y. San Corporation and Zest-O Corporation.