Adelante Abroad
Africa & Asia Venture
Ambassadors for Children
Amigos
Amizade
Associazione Oikos
Bosque Village
BridgeVolunteers
Canadian Alliance for Development Initiatives and Projects CADIP
Casa de los Angeles
Center for Cultural Interchange (CCI)
Center for the Adolescents of San Miguel de Allende
Centro Ecologico Akumal English
CHOICE Humanitarian
Concern America
Concordia
Cross-Continental Solutions
Cultural Embrace
Destination:PEACE
EcoTeach
ecoteer
EIL Volunteer Abroad
Explorations in Travel
Florida Association for Volunteer Action in the Caribbean and the Americas
Friends-International
Friends of the Orphans
GeoVisions
Global Citizens Network
Global Partnerships
Global Vision International (GVI)
Global Volunteer Projects
Global Volunteers
Globe Aware
Greenheart Travel
Habitat for Humanity
hands up holidays
Help Exchange
IndependentVolunteer.org
International Cultural Youth Exchange
International Education Programs
Involvement Volunteers Association Inc.
ISA-ELAP
Kaya Responsible Travel
KIDS Worldwide
Latitude Global Volunteering
Maya Foundation
Nuestros Pequeños Hermanos
Oaxaca Streetchildren
Oceanic Society Research Expeditions
Operation Blessing
Original Volunteers
Peace Brigades International
Platanitos Turtle Camp
Project Concern International
Project HOPE
Projects Abroad
proliteracy
ProWorld
ProWorld Service Corps
Puente a la Salud Comunitaria
Radiant Futures
responsibletravel
SEE Turtles
Service Civil International
Servicio Internacional Para la Paz
South America Inside
Tecnologico de Monterrey
Travel-to-Teach
TravelWorks
True Travellers Society
United Planet
Visions in Action
Volunteer Abroad
Volunteers for International Partnership
Volunteers for Peace
Voluntours
World Vets
Youth For Understanding