US Government's Official Web Portal
www.firstgov.gov
US Custom and Border Protection (Export Information)
www.cbp.gov/xp/cgov/export
US Department of Commerce
Export America
www.export.gov/exportamerica
US Government Export Portal
www.export.gov
Trade Advocacy Center
www.export.gov/advocacy
Trade Stats Express
tse.export.gov
US Patent and Trademark Office
www.uspto.gov