Links

US Customs Website – http://www.cbp.gov/
US Department of Agriculture – www.usda.gov
US Fish and Wildlife – http://www.fws.gov
US Food and Drug Administration – http://www.fda.gov
Port of Seattle – http://www.portseattle.org
Port of San Francisco – www.sfport.com
Port of Long Beach – www.portoflosangeles.org
Cross Rulings – http://rulings.cbp.gov/ 
Census Bureau – www.census.gov/foreign-trade/schedules/b/
Harmonized Tariff for USA – www.usitc.gov/tata/hts/bychapter/index.htm 
Container Specification – www.foreign-trade.com/reference/ocean.cfm
Airport Code Finder – http://www.world-airport-codes.com/