American Chamber of Commerce of the Philippines: Devoted to the promotion and development of trade, commerce and industry between the U.S. and the Philippines.

U.S. Embassy in Manila: Serves in political, administrative, economic and consular capacities as official representation to Philippine government.

U.S. Commercial Service, Philippines: Promotes U.S. non-agricultural exports and export-related investment to the Philippines, as well as assists American firms with representation in the Philippines.

U.S. Department of State (Travel.State.Gov): Consular Information Sheet about policies, requirements, transportation, security etc. when Americans travel to Philippines.

U.S. Census Bureau: U.S. Trade Balance with Philippines from 1985 - Present.