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Abu Dhabi National Oil Company (ADNOC)
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AGIPP - AgipPetroli
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Alon USA
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Amerada Hess Corporation
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American Refining Group
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API Group
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ARCO
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Bayernoil Raffineriegesellschaft mbH
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Bharat Petroleum Corporation Ltd.
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British Petroleum
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Castrol North America Automotive
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Cenex Harvest States Cooperatives
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Chennai Petroleum Corporation Limited
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Chevron Corporation
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China National Petroleum Corporation (CNPC)
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China Petrochemical Corporation (SINOPEC)
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Citgo Petroleum
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Conoco Inc.
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Conserve Oil Corporation
Refining of waste oil
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COSMO MATSUYAMA OIL CO., LTD.
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Crystal Flash Petroleum
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Ecopetrol
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Empresa Nacional del Petróleo (Chile)
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ERG
Italy
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Evergreen Oil Inc.
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Exxon Corporation
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Hindustan Petroleum Corporation Limited (HPCL)
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Holly Corporation
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Husky Oil
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Hyundai Oil Refinery Co., Ltd
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Idemitsu Kosan Co., Ltd.
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Indian Oil Corporation Limited
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Interline Resources Corporation
Used oil re-refining, natural gas gathering, NGL fractionating, Crude Oil Refining, crude oil gathering, and exploration/production.
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Irving Oil Limited
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Japan Energy Corporation
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Koch Industries
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Kuwait National Petroleum Company
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Lukoil
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Mangalore Refinery and Petrochemicals Ltd
MRPL is a subsidary of India's oil giant ONGC
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Marathon Ashland Petroleum LLC
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Marathon Oil Company
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Mitsui & Co., Ltd.
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Mobil Corporation
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Murphy Oil Corporation
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National Petroleum Agency - Brazil (ANP)
Site is in Portuguese
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Neste Corporation (Finland)
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Nigerian National Petroleum Corporation
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Numaligarh Refinery Limited
A state of the art energy company engaged in Refining and Marketing of petroleum products in India.
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Nynas
The business is divided into three operations; Nynas Bitumen, Nynas Naphthenics and Nordic Refining
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OMV
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PDVSA (Venezuela)
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PEMEX
Site is in Spanish
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Pennzoil
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Petrobras
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Petro-Canada
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Petroleum Authority of Thailand
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Petroleum Co. of Trinidad and Tobago Ltd. (Petrotrin)
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Petronas (Malaysia)
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PETROPERU S.A.
Site is in Spanish
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Phillips Petroleum
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Qatar Petroleum
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Repsol
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Saras S.p.A. Raffinerie Sarde
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Saudi Aramco
Integrated global petroleum company based in Saudi Arabia. Producer/exporter/refiner of crude oil.
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Shell Oil Company
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SK Corporation
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Societe Ivoirienne de Raffinage (SIR)
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Somerset Oil, Inc.
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Statoil (Norway)
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Suncor
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Sunoco, Inc
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Tamoil S.A.
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TotalFina
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Turkish Petroleum Corp.
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United Refining Company
Regional Refiner and Marketer of Petroleum Products in NW Pennsylvania and New York State
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Valero Energy Corporation
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Vietnam National Petroleum (Petrolimex)
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Williams
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