Westar provides some tools you might find useful.
Links
Westar International Spedition – Germany
www.westar.de
HG Enterprises – US Customs House Broker
www.hgcustoms.com
Government Links
US Bureau of Industry and Security
http://www.bis.doc.gov
US Customs Service
www.cbp.gov
US Department of Transportation
www.dot.gov
US Department of Commerce
www.doc.gov
Others
German American Business Circle, Pittsburgh
http://www.gabcpgh.com/
International Chamber of Commerce
www.iccwbo.org
International Transport Journal
www.transportjournal.com
Journal of Commerce
www.joc.com
Map Machine
nationalgeographic.com/mapmachine
World Ports
www.ports.com
The Transport Web
www.transportweb.com