Listed below are major U.S. Government Departments web sites:
Department of Agriculture
Animal and Plant Health Inspection Service
http://www.aphis.usda.gov
Food Safety and Inspection Service
http://www.usda.gov/fsis
Foreign Agriculture Service
http://www.fas.usda.gov
Department of Commerce
Bureau of the Census
http://www.census.gov
Bureau of Economic Analysis
http://www.bea.gov
Bureau of Industry & Security (formerly the Bureau of Export
Administration)
http://www.bis.doc.gov
International Trade Administration
http://www.ita.doc.gov
US Patent and Trademark Office
http://www.uspto.gov
Department of Health and Human Services
Food and Drug Administration (FDA)
www.fda.org
Department of State
Visa Services
http://www.travel.state.gov/visa/visa_1750.html
Department of the Treasury
U.S. Customs Service
http://www.customs.ustreas.gov
US Federal Regional Offices
Bureau of Labor Statistics
http://www.bls.gov
Drug Enforcement Administration (DEA)
http://www.usdoj.gov/dea
U.S. Citizenship & Immigration Services (Formerly Immigration
and Naturalization Service)
http://uscis.gov
Others
留学USA
http://www.liuxueusa.cn
Education USA
http://www.educationusa.state.gov