- United Nations Development Program (UNDP)
- Ministry of Environment and Forest of Government of Bangladesh (MoEF)
- Dhaka City Corporation (DCC)
- OXFAM, UK
- RUDO-South Asia/USAID
- Water and Sanitation Program-South Asia, The World Bank
- Royal Netherlands Embassy, Dhaka
- Swiss Development Agency for Cooperation (SDC)
- Asian Development Bank (ADB)
- Asian Development Bank Institute (ADBI)
- Local Government Engineering Department (LGED)
- Swiss Federal Institute of Environmental Engineering (SANDEC)
- Water Engineering Development Center (WEDC), Loughborough University, United Kingdom
- Canadian International Development Agency (CIDA)
- World Health Organization (WHO)
- UNICEF
- British High Commission, Dhaka
- Department of Public Health Engineering (DPHE)
- Bangladesh Agriculture Research Institute (BARI)
- Bangladesh University of Engineering and Technology (BUET)
- Soil Science Department, Dhaka University
- UN-ESCAP
- Sustainable Development Networking Programme (SDNP) Bangladesh
- Bangladesh Environmental Lawyers Association (BELA)
- Royal Haskoning
- World Wide Recycling, Netherlands
- International Training Network (ITN) –Bangladesh (Center for Water Supply and Waste Management BUET, Dhaka, Bangladesh
- Swisscontact-Katalyst
- Department of Environment (DOE)
- Bengal Institute for Architecture, Landscape and Settlements
- Kushtia Municipality
- Narayanganj City Corporation
- The World Bank
- Mckinsey.org
- USAID
- GIZ ( German Corporation for International Cooperation GmbH)
- Ramboll Denmark A/S
- Aqua Consultants and Associates Ltd.
- Royal Norwegian Embassy, Dhaka
- Royal Danish Embassy, Dhaka
- UNIDO
- Institute of Water Modeling (IWM)