Accent Energy
Air BP
Alon USA Energy, Inc. [ALJ]
AMEN Properties, Inc. [AMEN.PK]
Apex Oil Company, Inc.
APS Energy Services Company, Inc.
Arabian American Development Company [ARSD]
AVIN OIL AVENEP S.A.

Benit Fuel Sales and Service Inc.
Bharat Petroleum Corporation Limited
Big West Oil Partners, LP
Big West Oil, LLC
Bongaigaon Refinery & Petrochemicals Limited
BP Marine Limited
BP Prudhoe Bay Royalty Trust [BPT]

Caltex Australia Limited
Calumet Specialty Products Partners, L.P. [CLMT]
Catlettsburg Refining, LLC
Centrica plc [CPYYY.PK]
Chennai Petroleum Corporation Limited
Cheshire Oil Company, Inc.
Chevron Products Company
Chevron U.S.A. Inc.
China Petrochemical Corporation
CITGO Petroleum Corporation
CITGO Refining and Chemicals Company, L.P.
Colonial Group Inc.
Commercial Energy of Montana, Inc.
Compañía Española de Petróleos, S.A.
Companhia Brasileira de Petróleo Ipiranga
Companhia Logística de Combustíveis, S.A.
Compass Energy Services, Inc.
Consolidated Edison Solutions, Inc.
Constellation NewEnergy, Inc.
Cosmo Oil Company, Limited
CPC Corporation
Crosstex Energy, Inc. [XTXI]
Crown Central LLC
CVR Energy, Inc. [CVI]

Delek Group Ltd.
Delek US Holdings, Inc. [DK]
Delta Fuel Company, Inc.
Direct Energy
Direct Energy Texas
DONG Energy A/S

E.ON UK plc
Eagle Rock Energy Partners, L.P. [EROC]
Ecotricity
EDF Energy plc
Electrabel S.A.
Empresas Copec S.A.
Energetix, Inc.
Energy Services Providers, Inc.
Energy West, Incorporated
ENMAX Corporation
Enporion, Inc.
Enterprise GP Holdings L.P. [EPE]
EPCOR Utilities Inc.
ERG S.p.A.
Esso Petroleum Company, Limited
Esso S.A.F.
ExxonMobil International Limited

First Choice Power, L.P.
Frontier El Dorado Refining Company
Frontier Oil Corporation [FTO]
Frontier Refining & Marketing Inc.

Galp Energia SGPS, S.A.
Gary-Williams Energy Corporation
GDF SUEZ Energy Resources NA
Gestore del Mercato Elettrico S.p.A.
Gexa Energy, L.P.
Gibunco Group
Good Energy Group PLC
Green Energy (UK) Plc
Green Mountain Energy Company
GS Caltex Corporation
Guttman Oil Company

Hanjin City Gas Co., Ltd.
Hellenic Petroleum S.A.
Hess Corporation [HES]
Hindustan Petroleum Corporation Limited
Holly Corporation [HOC]
HOVENSA, L.L.C.
Hydrodec Group plc

ICE Futures Europe
Idemitsu Kosan Co., Ltd.
Imperial Oil Limited [IMO]
Indian Oil Corporation Ltd.
Integrys Energy Services, Inc.
InterOil Corporation [IOC]
Irving Oil Corporation
Irving Oil Limited

J. R. Rix & Sons Limited
J.D. Streett & Company, Inc.

KBC Advanced Technologies plc
Koch Industries, Inc.
Kochi Refineries Limited

LOOP LLC

Mangalore Refinery and Petrochemicals Limited
Marathon Oil Corporation [MRO]
Marathon Petroleum Company LLC
Maxum Petroleum Holdings, Inc.
Midstream Fuel Service LLC
Mitsui & Co. Europe Plc
Mitsui & Co., Ltd. [MITSY]
MOL Magyar Olaj-és Gázipari Nyrt.
Motiva Enterprises LLC
Motor Oil (Hellas) Corinth Refineries S. A.
Murphy Oil Corporation [MUR]
Murphy Oil USA, Inc.

National Cooperative Refinery Association
Navajo Refining Company, LP
Neste Oil Oyj
NexGen Biofuels Ltd. [NXGNF.OB]
Nigerian National Petroleum Corporation
Nippon Mining Holdings, Inc.
Nippon Oil Corporation

OAO Gazprom Neft
OAO LUKOIL [LUKOY.PK]
OAO TNK-BP Holding
Oil Refineries Ltd.
OMV Aktiengesellschaft [OMVKY.PK]
Oxbow Carbon LLC

Pakistan State Oil Company Limited
Paramount Petroleum Corporation
Peninsula Petroleum Limited
Pepco Energy Services, Inc.
PETRÓLEO BRASILEIRO S.A. - PETROBRAS [PBR]
Petróleos de Venezuela S.A.
Petróleos Mexicanos
Petro Star Inc.
Petrol Ofisi A.S.
Petroleum Marketers, Inc.
Petroliam Nasional Berhad
Petron Corporation
Petroplus Holdings AG
Placid Refining Company LLC
Polski Koncern Naftowy ORLEN SA
Preem Petroleum AB
ProLiance Energy, LLC
PSEG Energy Resources and Trade, LLC
PTT Public Company Limited

Quality Oil Company, LLC
Quality State Oil Co., Inc.

Red Apple Group, Inc.
Reliance Industries Limited
Royal Dutch Shell plc
RWE Energy AG
RWE npower

S-Oil Corporation
San Joaquin Refining Co., Inc.
Sapp Bros Petroleum, Inc.
Sasol Limited [SSL]
Saudi Arabian Oil Co.
Shell Aviation Limited
Shell International Trading and Shipping Company Limited
Shell Martinez Refinery
Shell Oil Company
Shell Oil Products US
Showa Shell Sekiyu K.K.
Sibir Energy plc
Sinclair Oil Corporation
Singapore Petroleum Company Limited
Sinopec Shijiazhuang Refining & Chemical Company
Sinopec Zhenhai Refining & Chemical Company
SK Energy Co., Ltd.
SK Group
SmartestEnergy Limited
Sonatrach
Statoil Marketing & Trading (US) Inc.
Sterling Planet, Inc.
SulphCo, Inc. [SUF]
Sunoco, Inc. [SUN]
Syntroleum Corporation [SYNM]

Tauber Oil Company
Türkiye Petrol Rafinerileri A.S.
Tesoro Alaska Company
Tesoro Corporation [TSO]
Tesoro Hawaii Corporation
Tesoro Refining and Marketing Company
TETCO, Incorporated
Thai Oil Public Company Limited
The Bangchak Petroleum Public Company Limited
Tidal Energy Marketing, Inc.
TonenGeneral Sekiyu K.K.
TOTAL Italia S.p.A.
TOTAL UK Limited

UNIPETROL, a.s.
United Refining Company

Valero Energy Corporation [VLO]
Vietnam National Petroleum Corporation

Western Refining, Inc. [WNR]
World Energy Solutions, Inc.
World Fuel Services Corporation [INT]
World Point Terminals, Inc.

XinAo Gas Holdings Limited

YPF S.A. [YPF]