Laureates
2011
Nestlé SA, Switzerland
2010
Phnom Penh Water Supply Authority, Cambodia
2009
Trojan Technologies, Ontario, Canada
2008
Orange County Water District and Orange County Sanitation District, USA
2007
PUB Singapore
2006
Sydney Water Corporation, Australia
2004
Staple Fibre Division of Grasim Industries Ltd, India
2003
ZENON Environmental Inc, Canada
2002
Kaldnes Miljöteknologi AS, Norway
2001
The General Motors de Mexico Ramos Arizpe Complex, Mexico
