U.S. Customs and Border Protection Service

The import/export information areas of the U.S. Customs and Border Protection Service homepage. Guidance for exporters and importers regarding regulations, documentation and registration. http://www.customs.ustreas.gov/

U.S. Tariff Information Center

Learn about the Harmonized Tariff Schedule of the United States, which describes all goods in trade for duty, quota, and statistical purposes. http://www.usitc.gov/tata/index.htm

U.S. Tariff Information Center (Database of product id numbers)
Database of product identification numbers (harmonized numbers HS) and duty rates for USA
http://www.usitc.gov/tata/hts/other/dataweb/

Guidance in understanding terminology which determines whether buyer or seller is responsible for what transportation costs.
http://www.export.gov/incoterms.html

Export.gov.: The United States Commercial Service.

The US Commercial Service homepage contains a wealth of industry-related resources. http://www.export.gov/comm_svc/

Bureau of Industry and Security, at the U.S. Department of Commerce

Learn about export control basics and Export Industry Regulations (EAR) http://www.bis.doc.gov/

U.S. Food and Drug Administration Product Code Finder
Determine the correct FDA Product Code
http://www.accessdata.fda.gov/scripts/ora/pcb/pcb.cfm

OnlineConversion.com

Convert just about anything to anything else. Over 5,000 units, and 50,000 conversions http://www.onlineconversion.com/

OANDA Currency Site

Currency conversion tool. http://www.oanda.com/

TimeAndDate.com

Find out time and dates around the world!
http://www.timeanddate.com/worldclock/full.html