Alon Brands, Inc.
Amalie Oil Company
American Agip Company, Inc.

BP Lubricants USA, Inc.
BP p.l.c. [BP]

Castrol India Limited
Center Oil Company
Chevron Corporation [CVX]
City Service Valcon, LLC.
ConocoPhillips [COP]
Coulson Oil Company, Inc.

Eni S.p.A. [E]
Exxon Mobil Corporation [XOM]

George E. Warren Corporation
Getty Petroleum Marketing Inc.
Golden Gate Petroleum
Greenergy International Limited
Gulf Oil Limited Partnership

Haycock Petroleum Co.

J.A.M. Distributing Company

LG Group
Lykins Companies, Inc.

Mansfield Oil Company
Merrimac Energy Group
MFA Oil Company
Monster Diesel, Inc.

Petrobras Distribuidora S.A.
Petrobras Energía Participaciones S.A. [PZE]
PetroChina Company Limited [PTR]
Petroleum Traders Corporation

Ramos Oil Company, Inc.
Redwood Coast Petroleum, Inc.
Repsol YPF, S.A. [REP]
Resolute Energy Partners, LP
RKA Petroleum Companies, LLC

Southside Oil Company, LLC
Sprague Energy Corp.
Sun Coast Resources Inc.

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

U.S. Oil Co., Inc.

Vanguard Petroleum Corporation

Warren Equities, Inc.
Western Petroleum, Inc.