Airline
     http://www.hotelstravel.com/airlines.html
     http://www.flyaow.com/airlines.htm

Country Information
     http://www.odci.gov/cia/publications/factbook/indexgeo.html

Courier Service
     http://www.dhl.com

Currency Converter
     http://www.oanda.com/convert/classic
     http://www.xe.com/ucc/

Hotel
     http://www.utell.com
     http://www.hotelscentral.com
     http://www.travelweb.com

Logistics
     http://www.containershipping.com/shipping

Ports Index
     http://www.containershipping.com/ports/portsmain.html

World Time
     http://www.worldtimeserver.com