South American Travel Net 
Marketing and sales corporation created in United States by ground operators of Ecuador, Peru, Chile and Argentina to support wholesalers, travel agencies and institutions to promote and sale this destinations.
http://www.southamericantravel.netAmeriSpan Study Abroad in Latin America
Offers Spanish immersion study programs, volunteer and internship placements and other educational and cultural travel programs in Latin America.
http://www.amerispan.com/
Condor Journeys and Adventures
Specialist in tailor-made cultural and acitivity holidays into all Latin American countries.
http://www.condorjourneys-adventures.com
David W. Bennett - Custom Tour Guide
Personal tour guide, travel planner and consultant to remote and exotic third-world destinations.
http://customtourguide.com/saphotos.htm
Norte trekking expeditions
Program of 7 days over Argentina North West, Atacama Desert in Chile and Uyuni salt flat in Bolivia. Private tours in small groups with 4x4 supported by local guides.
http://www.nortetrekking.com/uyuni1.htm
Solar Tours
Offers sightseeing tours and vacation packages to Latin America, Mexico, and Western Europe.
http://www.solartours.com/
Tropical Nature Travel
Offers trips to Perú, Brazil, Bolivia, Amazon jungle, and also specializes in logistics for professional photographers and international film crews.
http://tropicalnaturetravel.com
