aec-tea
AFS Intercultural Programs
Amerispan Unlimited
Amigos de Iracambi
Amizade
Associacao Recanto Sao Francisco
Bahia Street
Biosphere Expeditions
BridgeVolunteers
Canadian Alliance for Development Initiatives and Projects CADIP
Casa Do Caminho Child Centres
Center for Cultural Interchange (CCI)
Changing Worlds
Creative Corners
Cross-Cultural Solutions
Cultural Embrace
ecoteer
Ecovolunteer
EIL Volunteer Abroad
Escola Estrela do Mar
GAP Adventures
GeoVisions
Global Citizens Network
Global Leadership Adventures (teens)
Global Vision International (GVI)
Globe Aware
Go Brazil
Greenheart Travel
Habitat for Humanity
hands up holidays
Help Exchange
i2i
iko poran
IndependentVolunteer.org
Institute of Field Research and Expedition
International Cultural Youth Exchange
International Education Programs
Involvement Volunteers Association Inc.
Iracambi Atlantic Rainforest Research
i-to-i
Kaya Responsible Travel
KIDS Worldwide
Languages Abroad
Monte Azul
Operation Blessing
Original Volunteers
Oyster Worldwide
Planeterra
Projects Abroad
proliteracy
ProWorld
Quest Overseas
Real Gap Experience
REGUA
responsibletravel
SERVE
Service Civil International
Solrisa
South America Inside
SVI Brasil
Task Brasil
Travellers Worldwide
TravelWorks
True Travellers Society
United Planet
Volunteer Abroad
Volunteer Adventures
Volunteering Solutions
Volunteer Latin America
Volunteers for International Partnership
Volunteer Brazil
World Endeavors
Youth For Understanding