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Alon USA Energy Inc. (ALJ) |
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Amerada Hess |
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Ashland Inc. |
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Calumet Specialty Products Par (CLMT) |
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Castle Energy Corp. (CECX) |
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E.ON AG (EON) |
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Earth Biofuels Inc. (EBOF.OB) |
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Energy Transfer Partners LP (ETP) |
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Enterprise GP Holdings L.P. (EPE) |
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Frontier Oil |
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Geotec Thermal Generators Inc. (GETC.OB) |
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Giant Industries Inc. (GI) |
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Holly Corp. (HOC) |
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ICO Inc. (ICOC) |
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Imperial Oil Ltd. (IMO) |
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Interoil Corp. (IOC) |
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JSC Tatneft (TNT) |
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Marathon Oil Corp. |
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Murphy Oil |
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Petro-Canada (PCZ) |
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Royal Dutch Shell plc (RDS-B) |
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Sunoco, Inc. |
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Tesoro Corp. (TSO) |
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Valero Energy |
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Western Refining Inc. (WNR) |