South America
South America Travel Net - http://www.southamericantravel.net/
Created in the USA by ground operators of Ecuador, Peru, Chile and Argentina to support wholesalers, travel agencies and institutions to promote and sale this wonderful destinations with the best service available in each country.
Tropical Nature Travel - http://www.tropicalnaturetravel.com
Specializes in custom itineraries for individuals and groups to Peru, Brazil, Ecuador and the Galapagos, Panama, Costa Rica and Belize.