U-Z
U.S. Agency for International Development - Agency responsible for administering U.S. foreign economic assistance programs
U.S. Army Corps of Engineers -Compiles waterborne commerce statistics and statistics on vessels in harbors
U.S. Geological Survey -Conducts research on U.S., state, and foreign geological trends and developments
U.S. International Trade Commission -Independent agency studying the effects of selected imports on U.S. industries and listing U.S. tariff rates
