Alstom
Amerex Energy
Areva
BP
British Energy
Dong
Eastern Power & Energy Trading
Electricité De France
Electricity Direct
Elf Trading
ENI SNAM
ESKOM
Ethiopian Energy Authority
Ethiopian Electric Power
Ethiopian Electric Utility
Fortis Bank/Meespierson NV
Fusion Systems Japan Co., Ltd.
Gamesa
Gaz de France
Gerling Security Reinsurance
Global Energy Decision
Humber Power
Hungarian Oil & Gas Co
Kenya Power & Lighting Company Limited
KETRACO
Korea Electric Power Co
Kotka Energy Ltd.
McGraw-Hill
Meico
National Hydro Power Corp Of India
Neptune
Nexen, Inc.
NHPC India
Norse Energy
Norsk Hydro
OMV
Oracle
Rwanda Rural Electrification Agency
Rwanda Energy Group Ltd
Société Générale
Statoil
Umeme Limited

A
Abundant Power Group
Acclaim Energy Advisors
Acme Energy
Adams Resources Marketing
Adaptive Trading
Advanced Power Trading
AEG&G
Agway Energy Products
Alabama Electric Company
Allegheny Electric
Allegheny Energy
Allegro Development
Alliance Data Systems
Allure Energy, Inc.
Altra
Ambit Energy
Amerex
American Clean Skies Foundation
Ameri Lights, Inc.
American Electric Power
Amoco Pipeline
AMT
Anadarko
ANR Pipeline Company
Apache
APX
Aquila
Areva
Arizona Public Service
Arker Diversified
Athens Utilities Board
ATI Energy
AtlantiGas Corp
Attorney General – State of Arizona
Aurora Natural Gas
Austin Energy
Automated Energy

B
Babcock & Brown
Baltimore Gas & Electric
Bates White, LLC
Black River Asset Mgmt.
Blake Management, Inc.
Bloomberg
BNB Renewables
Boston Gas
BP
BrainArc
Brazos River Authority
Burlington Resources
C
C & SW Services, Inc.
Cabot LNG
CalAmp Wireless Networks
Calpine
Cargill
Carousel Capital
Castle Energy
CBRE
CenterPoint Energy
Central Illinois Light Company
Centrica
Channelwave
Choose Energy
Cinergy
Citadel Investment Group, L.L.C.
Citibank
Citigroup Global Markets Inc.
Citizens
City of Glendale Water & Power
Clean Energy Future
Cleco Midstream Resources
CMS Marketing Services
Colorado Springs Utilities
Columbia Utilities
Commonwealth Edison
Computerized Electricity Sys, Ltd.
Comverge
CoEnergy Trading Company
Connectiv
Conning Capital
ConocoPhillips
Conservation Law Foundation
Consolidated Edison
Consolidated Fuels
Constellation
Constellation New Energy
Coral
CoServ Electric
C Power

D
Davis Wright Tremaine
Dechert LLP
Deloitte
Denbury Energy Services
Detroit Edison
DeWind
Digital Energy
Direct Energy
Distrigas of Massachusetts
Dominion
DTE Energy Services
Duke
DuPont

E
EAS
Edison Energy Group, Inc.
Eiffel
El Paso
Emera Energy Services
Enbridge Marketing US
Energis
Energy Advisors, LLC
Energy Advocates, LLP
Energy America
Energy & Environ. Solns.
Energy Control, Inc.
Energy Data Aggregators
Energy Services Group
Energy Solutions Internatl
Enerliance
Entergy
Environmental Defense Fund
ePsolutions, Inc.
Essense Partners
eXcorda
Exelon
Experient, Inc.

F
Fate Consortium LLC
Federal Energy Regulatory Commission
FirstEnergy
Florida Power & Light
FMC
FPL Energy
Freepoint Commodities

G
Galileo Advanced Solutions LLC
Gas & Power Technologies
GDF Suez
GE
Glencore LTD
Global Energy Decision
GlobalView Software
Goldman Sachs
Goodwind Energy, Inc.
GP Renewables & Trading, LLC
GPT
Green Team Energy Svcs
Greenlots
Greystone Services, Inc.
Grid Plex
Gryphon Investors
Guttman Energy

H
Hansen USA
Hess
HIG
HomeServe
Hudson Solar
Hydro One

I
IAC
Idacorp
Indus Utility Systems
Infinite Energy
Invensys
IPALCO
Itron