Advantica Ltd
BHP Billiton
BG Egypt
BG Trinidad & Tobago
BOTAS (Turkey)
BP Egypt
BP Gas & Power
BP Japan
BP Singapore
Dept. of Energy Business (Thailand)
Caltex (Bahrain)
CEPMA
Chevron (Venezuela)
Chubu Electric (Japan)

CITCO Trading Co (Russia)
Clyde & Co
COMGAS (Brazil)
ConocoPhillips Ltd

Dept. of Petroleum Resources (Nigeria)       
Distrigas Suez (Belgium)
DONG (Netherlands)
DRI-WEFA Energy
DSM (Netherlands)
DVD Bank (Germany)
ECOPETROL (Columbia)
Edison Stoccaggio (Italy)

Egyptian LNG (Egypt)
Electrabel (Belgium)
Electricité de France
Electronic Trade Agency (Russia)
Endesa (Spain)
Eneco Energie (Netherlands)
Energinet DK (Denmark)
Energy Market Authority (Singapore)

ENI Gas & Power
ENI (Pakistan)
ENI (UK) Ltd
E.ON Ruhrgas (Germany)
E.ON UK Ltd
Essent Energie (Netherlands)
Fluxys (Belgium)
GasTerra (Netherlands)

Gasunie Transport (Netherlands)

GAZEKS (Russia)
GAZEXPORT (Russia)
Gazneftechim (Russia)
Gazprom (Russia)
Gazprom Martketing & Trading (UK)

Gaz de France Negoce (France)
Gaz de France Norge (Norway)
Global Insight
GRT Gaz (France)
HESS Energy

Honeywell GmbH

Hydro (Norway)

ICE Markets Education

Kuwait Petroleum Corporation
Logica CMG (Netherlands)

Merrill Lynch
Methanor (Netherlands)
Metrogas (Chile)
Ministry of Mining, Industry & Energy (Equatorial Guinea)

Mitsui

National Grid Gas (UK)
National Oil Corporation (Libya)
Nigeria LNG (Nigeria)

Norsk Hydro Energie
Oil & Gas Regulatory Authority (Pakistan)
Oman LNG
Osaka Gas Company (Japan)
OSG Shipping Management
Petrobras (Brazil)
Petoro (Norway)

4Gas/Petroplus (Netherlands)
PKN Orlen (Poland)
PGNIG (Poland)
Plinarco Ltd (Croatia)
Port of Rotterdam Authority (Netherlands)

Power Seraya Ltd (Singapore)
Premier Transmission Ltd
PTT E&P (Thailand)
Rasgas LNG (Qatar)

RAO UES (Russia)
RWE Gas (Germany)
RWE n-power
RWE Trading

RWE Transgas Net (Czech Republic)
Salzburg AG (Austria)
Scottish Power
Shell Chemicals
Shell Gas & Power International
Shell Global Solutions
Shell International E&P
Shell Energy Trading
Shell Nigeria

Sonatrach (Algeria)
South Hook LNG (UK)

SOVCOMFLOT (Russia)
Spezgaz (Russia)
Statkraft (Sweden)
Statoilhydro (Norway)

Statoil LNG (Norway)
SUEZ Global LNG
Sumitomo Corporation (Japan)
TAQA Energy (Netherlands)

TBG (Brazil)

Tohoku Electric Power Co (Japan)
Total E&P
Total Gas & POwer

Tuas Power (Singapore)
UOP (USA)
Wintershall AG (Germany)
World Bank (USA)
ZMB Berlin (Germany)