DFID - Department for International Development (England)
http://www.dfid.gov.uk/

GTZ - Deutsche Gesellschaft fürTechnische Zusammenarbeit
(German Agency for Technical Cooperation)
http://www.gtz.de/

IULA - International Union of Local Authorities

ICLEI - International Council for Local Environmental Initiatives
http://www.iclei.org/

JSWME - The Japan Society of Waste Management Experts

IIED - International Institute for Environment and Development
http://www.iied.org

ISWA - International Solid Waste Association
http://www.iswa.org/

SKAT
http://www.skat.ch/

UNCHS - Habitat
http://www.unchs.org/

WHO - World Health Organization
http://www.who.org

The World Bank
http://www.worldbank.org