1. Safe Water Project, Technology Solutions, PATH, 2201 Westlake Ave, Suite 200, Seattle, WA 98121, USA
2. Abt Associates, 4550 Montgomery Ave, Bethesda, MD 20814, USA
3. Abt Associates, 201 Aurobindo Place, Hauz Khas, New Delhi 110016, India
4. PATH, A-9, Qutub Institutional Area, New Delhi – 110028, India