Internationally, CRES is affiliated with a variety of some 80 research and development agencies, some of which are listed below:

Action for Mangrove Reforestation;

Canadian International Development Agency (CIDA);

CITES;

Ford Foundation;

Friends of the Earth (JAPAN);

International Crane Foundation (USA);

International Development Research Centre (IDRC);

International Society of Mangrove Ecosystem (SME);

The John D. and Catherine T. MacArthur Foundation;

Man and Biosphere (MAB);

Nagao Natural Environment Foundation (NEF);

National Environmental Foundation of Japan;

Netherlands Development Organization (SNV);

Rockefeller Brothers Fund (USA);

Swedish International Development Agency (SIDA);

World Conservation Union (IUCN);

World Resources Institute (USA);

World Wide Fund for Nature (WWF);