ABB
Areva
Altalink
BC Hydro
Bonneville Power Administration
Bruel & Kjaer A/S
CMC Ltd.
Consolidated Power
Commonwealth Bureau of Meteorology
Dhofar Power
Edelnor
Electranet
Electroandina
Energy Australia Ltd.
Ergon
ERLPhase
ETSA
General Electric (GE)
Grant County PUD
Honeywell
Hong Kong Electric
Hydro Tasmania
Invensys
Jemena
Larsen & Toubro Ltd.
Logica
MAN Diesel
 

Micro System Foundations
Mighty River Power
Mitsubishi Electric
NXTPhase
Powerlink Queensland
Power Systems Consultants
Qualitrol
Rockwell Automation
San Diego Gas & Electric Co.
Schneider Electric
Seattle City Light
Schweitzer Engineering Laboratories
Siemens
South California Edison
SP Ausnet
Suzlon Energy
Symmetricom
Telecom NZ
Tennessee Valley Authority
Transend
Transfield Services
Transpower
Transgrid
United Group
Vector
Western Power Corp.
Westermo