"The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities."

Official Harmonized Tariff Schedule as published by the U.S. International Trade Commission.

A searchable database of manufacturers, suppliers, and contractors in the United States provided by the Department of Commerce. Useful for those seeking to source Made in the U.S.A. textiles, apparel, and footwear products.

List of current U.S. free trade agreements as well as agreements under negotiation.