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Marathon Oil Company
Operates in 18 states and many foreign areas. An integrated company including transportation, refining and product sales.

Murphy Oil Corp.
A worldwide oil and gas exploration and production company with refining and marketing operations as well as retail gas stations.

OMV Oil
Vertically integrated organization operating in central and eastern Europe. Carries on international exploration and production activities outside this core region. Based in Austria.

Petrobras
Brazilian oil producer with refineries, production and exploration areas, pipelines, and terminals. Includes a classroom to learn more about the industry.

PetroChina
Large integrated company operating in China. Exploration and production, refining, petrochemicals and retail marketing. Transmission and sales of natural gas.

Rompetrol
Vertically integrated company operating in Romania. Also a oilfield service company managing projects internationally.

Royal Dutch/Shell Group
Five core businesses are exploration/production, oil products, chemicals, gas and power Generation, and renewables.

Sahara Group
Nigeria-based energy-oriented conglomerate. Involved in refining and sale of petroleum products, exploration and development, and various oil industry services.

Saudi Aramco
Saudi Arabian Oil Company produces, manufactures, markets and ships crude oil, natural gas and petroleum products to meet the global demand.

Sinclair Oil Corporation
Based in Utah, U.S. History, services, and station locator.

Sunoco, Inc.
Has refineries in the northeast US. Markets gasoline, motor oils, lubricants, and petrochemicals. Operates petroleum and crude oil pipelines.

Tamoil
This major operator in the oil and energy industry introduces its activities in the oil and energy sectors in Europe and Africa.

Texaco Inc.
Texaco Inc. finds and produces oil and natural gas; manufactures and markets fuels and lubricants; operates trading, transportation and distribution facilities; and produces alternate forms of energy.

TNK International
Vertically integrated oil company operating primarily in the western half of Russia.

TotalFinaElf.com
Major integrated oil and gas corporation. Based in France.

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