AEMO Gas
AGL Energy
AGL Macquarie
AGL Renewables
AGL Torrens Island
APA Group
Arrow Energy
Ausgrid
AusNet Services
Australian Rail Track Corporation
Australia Pacific LNG
AVE Technologies
BHP Mt Arthur Coal
Bombardier Transport (with NOM)
CitiPower/Powercor
ConocoPhillips
Energex
Energy Australia Mt Piper
Energy Australia Tallawarra
Energy Queensland
Epic Energy
Ergon Energy
Fortescue Metals Group (with SSCR)
Glencore
Gold Fields
Jemena

John Holland Rail (with NOM)
Liverpool Hospital
Newcastle Coal Infrastructure Group
Nufarm Australia
Orica Nitrates
Origin Energy
Origin Energy Eraring Services
Pacific National (with NOM)
Port Authority NSW Newcastle Harbour
Port Waratah Coal Services
Powerlink Queensland
Rio Tinto Amrun
Rio Tinto Bauxite
Rio Tinto Iron Ore
Rio Tinto Yarwun
Rockwell Automation
Shell QGC
SICE
Sydney Trains
Tomago Aluminium
Transgrid
Transurban City Link
Vector New Zealand
Viva Energy
Watersure