Adams Resources & Energy, Inc. [AE]
Alkane, Inc. [ALKN.PK]
Alon Brands, Inc.
Amalie Oil Company
American Agip Company, Inc.
AVIN OIL AVENEP S.A.

Benit Fuel Sales and Service Inc.
BP Lubricants USA, Inc.
BP Marine Limited
BP p.l.c. [BP]

Caltex Australia Limited
Castrol India Limited
Chennai Petroleum Corporation Limited
Chevron Corporation [CVX]
Chevron U.S.A. Inc.
China Integrated Energy, Inc. [CBEH.PK]
China Petroleum & Chemical Corporation [SNP]
CityServiceValcon, LLC.
ConocoPhillips [COP]
Cosmo Oil Company, Limited
Coulson Oil Company, Inc.
Crown Central LLC

Delek Group Ltd.
Delta Fuel Company, Inc.

Ecopetrol S.A. [EC]
Encana Corporation [ECA]
Eni S.p.A. [E]
Exxon Mobil Corporation [XOM]

G. P. & W. Inc.
Gary-Williams Energy Corporation
Gas Depot Oil Company
GeoPetro Resources Company [GPR]
George E. Warren Corporation
Getty Petroleum Marketing Inc.
Golden Gate Petroleum
Gulf Oil Limited Partnership
Guttman Oil Company

Hanjin City Gas Co., Ltd.
Haycock Petroleum Co.
HollyFrontier Refining & Marketing LLC
HOVENSA, L.L.C.

Idemitsu Kosan Co., Ltd.
Indian Oil Corporation Limited
Iwatani International Corporation

J. R. Rix & Sons Limited
J.A.M. Distributing Company
J.D. Streett & Company, Inc.
JX Nippon Oil & Energy Corporation

Lehigh Gas Partners LP
Lykins Companies, Inc.

Mansfield Oil Company
Maxum Energy Logistics Partners, LP
Maxum Petroleum Holdings, Inc.
Merrimac Energy Group
MFA Oil Company
Midstream Fuel Service LLC
Mitsui & Co. Europe Plc
Mitsui & Co., Ltd. [MITSY.PK]
MOL Magyar Olaj-és Gázipari Nyrt.
Motor Oil (Hellas) Corinth Refineries S. A.
Murphy Oil USA, Inc.

Noble Group Limited

OAO TNK-BP Holding
Occidental Petroleum Corporation [OXY]
OMV Petrol Ofisi A.S.

Parkland Fuel Corporation
Penn Octane Corporation [POCC.PK]
Petro Star Inc.
Petrobras Argentina S.A. [PZE]
Petrobras Distribuidora S.A.
PetroChina Company Limited [PTR]
Petroleum Marketers, Inc.
Petroleum Traders Corporation

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

Ramos Oil Company, Inc.
Redwood Coast Petroleum, Inc.
Repsol YPF, S.A.
RKA Petroleum Companies, Inc.
Rose Rock Midstream, L.P. [RRMS]

Sapp Bros Petroleum, Inc.
Sasol Limited [SSL]
Showa Shell Sekiyu K.K.
Sibir Energy Limited
Southside Oil Company, LLC
Sprague Resources LP
Statoil ASA [STO]
Statoil Marketing & Trading (US) Inc.
Sun Coast Resources Inc.

Tauber Oil Company
Taylor Oil Co., Inc.
The SoCo Group, Inc.
Thomas Petroleum Company, Inc.
TOTAL S.A. [TOT]
TotalErg SpA.
Truman Arnold Companies

U.S. Venture, Inc.

Valvoline International, Inc.

Warren Equities, Inc.
Western Petroleum, Inc.

XinAo Gas Holdings Limited