- Norwegian Agency for Development Cooperation (NORAD)
- Norwegian Ministry of Foreign Affairs (NMFA)
- Norwegian Trust Fund for Environmentally and Socially Sustainable Development
- NSW Office of Water
- Oregon Department of Environmental Quality
- P. Bing
- Pisces Foundation
- Presidencia de Gobierno del Instituto Aragonés del Agua
- Proctor & Gamble Company
- R. Sant
- Rockefeller Brothers Fund
- Rockefeller Center at Dartmouth College
- Rockefeller Foundation
- Royal Dutch Embassy in Ecuador
- Royal Dutch Shell
- S. D. Bechtel, Jr. Foundation
- Sherwood Foundation
- Skoll Global Threats Fund
- Spanish Ministry of Environment
- SSLCC (Soil Survey and Land Classification Center) of NAFRI (National Agriculture and Forestry Research Institute)