- Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) GmbH
- Federal Ministry for Economic Cooperation and Development (BMZ)
- US Agency for International Development (USAID)/CARE
- United Nations Industrial Development Organization (UNIDO)
- European Union (EU)
- The Departments of Minerals and Energy, Republic of South Africa
- GUB Siemens
- Deutsche Entwicklungsgesellschaft (DEG)
- United Nations High Commissioner for Refugees (UNHCR)
- World Bank
- United Nations Environmental Programme (UNEP)
- World Health Organization (WHO)
- Kreditanstalt für Wiederaufbau (KfW)
- Canadian International Development Agency (CIDA)
- Deutsch-Russischer Austausch e.V.
- Eurosolar
- Federal Foreign Office
