Claro (Argentina)
British Gas (Trinidad)
OPT
Telikom Papua New Guinea
PDVSA (Venezuela)
ENE (Angola)
United Utilities
Police Service (South Africa)
Energie AG (Austria)
Transcanada Pipeline (Canada)
Police Service (Lebanaon)
Cable & Wireless
Telecom Fiji
Shell
ANDESPETRO
Police Service (Australia)
ENI
Meralco
Enerjisa (Turkey)
Slovenian Ministry of Defense
EDM (Mozambique)
Ecopetrol (Columbia)
CELPE, CHESF, Light (Brazil)
Iberdrola (Spain)
Eskom (RSA)
ESB (Ireland)
Ambulance Service (Spain)
Fire Service (France)
Elektro Gorenjska (Slovenia)
Western Power (Australia)