Export-Import Bank (Ex-Im Bank) Export-Import Bank is the official export credit agency of the US Government. Its mission is to support US jobs through exports. http://www.exim.gov/

United States Trade Representative Responsible for developing and coordinating U.S. international trade, commodity, and direct investment policy, and leading or directing negotiations with other countries on such matters. http://www.ustr.gov/

US Customs Service Site details US trade laws and regulations and categorizes information such as importing and exporting, traveler information and enforcement. http://www.customs.ustreas.gov/

US Department of the Treasury Formulates economic, fiscal and tax policies, enforces the import and export duties, protects the President and other officials, and manufactures currency and postage stamps. http://www.ustreas.gov/

US International Trade Commission (USITC) Provides objective trade expertise to both the legislative and executive branches of government, determines the impact of imports on U.S. industries, and directs actions against certain unfair trade practices, such as patent, trademark, and copy... http://www.usitc.gov/