Farming

• Rice - The municipality has a total area of 9,035.712 ha. devoted to rice production with two cropping season per year.
• Corn- The secondary crop in the municipality with its production area of 712.5 hectares.
• Munggo (The Black Gold of San Mateo) - The alternative cropping of munggo as additional source of income of farmers has restored the fertility of soil. 78% of the total rice area is devoted to munggo production.
• High Value Commercial Crops - Numerous high value commercial crops are planted in the municipality. Different vegetables and fruits are being planted by the farmers because it provides additionalincome for them. To name a few, vegetables like string beans (sitaw), okra, gabi, ampalaya, squash, eggplant and fruits like mango, papaya, watermelon and others, are planted by the farmers.

Poultry/Livestock Raising

• Chickens, ducks, geese, quails, turkeys and others are commonly raised and the dispersal of peking duck to the farmers brought forth another sprawling industry - the egg production or the white gold of San Mateo.
• Commonly raised livestock in the municipality are carabaos, cattles, swines and goats which flourished from the LGu's initiative in the dispersal of farm animals.
• A women's organization, the Pag-Asa Bayanihan Association developed the salted egg industry making the municipality a constant participant in the national, regional and provincial trade fairs. It normally became the secondary OTOP of San Mateo. The Phil-Export acknowledged the product as the standard of the global market.

Fishery

• There are 75 hectares of fishponds in the municipality. Recent technological advancements have been employed to improve the culture of tilapia, carp, hito, ulang, panggasius and others.

One Town One Product (OTOP)

Munggo - due to the many benefits derived from munggo, the municipality adopted it as its OTOP. Women organizations prefilled from munggo production by processing it into pancit balatong and other food delicacies like buchi, moriecos and guinatang munggo. Every last week of April, the municipality celebrates the Balatong Festival as a sign of gratitude to God for this Black Gold Blessing.