Alinta (Also a Corporate Member)
Auto Classic BMW (Also a Corporate Member)
BHP Billiton Iron Ore (Also a Corporate Member)
BP Australia (Also a Corporate Member)
Burswood Entertainment Complex
City of Mandurah (Also a Corporate Member)
Coffey Environments
Curtin University of Technology (Also a Gold Corporate Member)
City of Perth
Department for Industry and Resources (Also a Corporate Member)
Department of Health
Department of Housing and Works
Department for Planning and Infrastructure
Enhance Group (Also a Gold Corporate Member)
Forest Products Commission
Fortescue Metals Group Ltd
GHD
Gull Group of Companies (Also a Corporate Member)
Horizon Power (Also a Corporate Member)
Jackson McDonald Lawyers
Landgate
Midland Brick
Pacific Hydro (Also a Corporate Member)
PricewaterhouseCoopers (Also a Corporate Member)
Public Transport Authority of WA
RAC
Rio Tinto (Also a Corporate Member)
SGS Australia
Solahart (Also a Corporate Member)
SunPower Corporation (Also a Corporate Member)
Synergy (Also a Corporate Member)
Tiwest Pty Ltd
Verve Energy (Also a Corporate Member)
Vestas
Water Corporation
Western Power (Also a Corporate Member)
WorleyParsons (Also a Corporate Member)
The University of Western Australia (Also a Corporate Member)
Wesfarmers (Also a Corporate Member)
Yanchep Beach Joint Venture