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Alcoa Inc. |
Kern Oil & Refining Company |
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Amerada Hess Corporation |
La Gloria Oil & Gas Company |
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ATOFINA Petrochemicals, Inc. |
Lion Oil Company |
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Big West Oil LLC/Flying J Inc. |
Lyondell-CITGO Refining LP |
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BP p.l.c. |
Marathon Ashland Pipeline, LLC |
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Calcasieu Refining Company |
Merichem Chemicals & Refinery Serv LLC |
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ChevronTexaco Corporation |
Murphy Oil Corporation |
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CHS Inc. |
National Cooperative Refinery Association |
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CITGO Asphalt Refining Company |
Neville Chemical Company |
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CITGO Petroleum Corporation |
PDV Midwest Refining, LLC |
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ConocoPhillips |
Placid Refining Company LLC |
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Countrymark Refinery |
Premcor Refining Group Inc. (TN) |
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Cross Oil Refining & Marketing, Inc. |
Safety-Kleen Oil Recovery |
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Crown Central Petroleum Corporation |
Sasol North America Inc. |
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Dakota Gasification Company |
Shell Oil Company |
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Dynegy Liquids MKTG & Trade |
Sid Richardson Gasoline Co. |
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Edgington Oil Company |
Silver Eagle Refining, Inc. (UT) |
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Elkhorn Operating Company |
Silver Eagle Refining, Inc. (WY) |
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Equilon Enterprises LLC/Motiva Enterprises LLC |
Sinclair Oil Corporation |
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Ergon Refining, Inc. |
South Hampton Refining Company |
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Ergon West Virginia Inc |
Sunoco, Inc. |
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ExxonMobil Americas Refining and Supply Company |
Tesoro Petroleum Corporation |
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Farmland Industries, Inc. |
The Goodyear Tire & Rubber Company |
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Flint Hills Refineries |
The Premcor Refining Group Inc. (CT) |
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Formosa Hydrocarbons Co., Inc. |
True Oil Co/88 Oil Co/Equit. Oil Purch. Co |
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Giant Industries, Inc. |
Unocal International Supply and Trading Co. |
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Holly Corp/Navajo Refining Co |
US Oil & Refining Co. |
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Honeywell International |
Valero Energy Corp |
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Hovensa, LLC |
Williams Energy Services |
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Hunt Refining Co |
Wynnewood Refining Company |
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