Water Utilities
- Barwon Water
- Byron Shire Council
- Central Highlands Water
- Coliban Water
- Gippsland Water
- Gold Coast Water
- Gosford City Council
- Goulburn Valley Water
- Goulburn-Murray Water
- Grampians Wimmera-Mallee Water
- Melbourne Water
- Northern Territory Power and Water
- South East Queensland Water
- South East Water
- Southern Rural Water
- Sunraysia Rural Water
- Water Corporation, Western Australia
- Western Water
- Yarra Valley Water
Government Agencies and Corporations
- Water Services Association of Australia
- Murray-Darling Basin Commission
- Land and Water Australia
- National Environment Protection Council
Local Government
- City of Darebin
- City of Maroondah
- City of Monash
- Moyne Shire Council
- Wellington Shire Council
State Government
- Department of Environment and Conservation, New South Wales
- Department of Human Services, Victoria
- Department of Primary Industries, Victoria
- Department of Sustainability and Environment, Victoria
- Department of Water and Energy, New South Wales
- Environment Protection Authority, Victoria
- Glenelg-Hopkins Catchment Management Authority
- Goulburn–Broken Catchment Management Authority
- Melbourne 2006 Commonwealth Games Corporation
- North Central Catchment Management Authority
- Parks Victoria
- Sydney Catchment Authority
- Vic Roads
- Victorian Aquaculture Council
- VicUrban
- West Gippsland Catchment Management Authority
Commonwealth Government
- Australian Quarantine and Inspection Service
- Department of Agriculture, Fisheries and Forestry
- Department of the Environment and Water Resources
Private Sector
- Austminex
- Barro Group
- BHP Billiton (BHP Petroleum)
- EFFEM Foods
- Geelong Cement
- Goulburn Valley Grammar School
- Hanson Australia
- Hanson Landfill Service
- Hazelwood Power
- Lifestyle Communities
- Links Group
- Pioneer Construction Materials
- Primelife Corporation Limited
- Sandhurst Developments
- Trinity Grammar School
- Yallourn Energy
- Yarra Valley Golf
Consultants
- Beca Consulting
- Coomes Consulting
- Earth Tech Engineering
- Ecological Associates
- Ecowise Environmental
- Glossop Town Planning
- Hyder Consulting
- IT Environmental (Australia)
- KBR
- Lloyd Environmental
- Marsden Jacob and Associates
- Paroissien Grant and Associates
- Parsons Brinckerhoff
- Sinclair Knight Merz
- SMEC
- URS Australia
- Water Futures
- Water Technology