Operating Companies

Sunoco, Inc. - Has refineries in the northeast US. Markets gasoline, motor oils, lubricants, and petrochemicals. Operates petroleum and crude oil pipelines.
http://www.sunocoinc.com/

Coastal Energy - Exploration and development in Thailand and Nevada.
http://www.coastalenergy.com/

Amerada Hess Corporation - Exploration, production, refining, and retail sales. In 2001 operated 1115 net wells in US, Gabon, Indonesia, North Sea and Thailand.
http://www.hess.com/

BP Global - Supplier of petroleum, solar energy, petrochemicals, bitumen, LPG, lubricants, aviation fuels and fuel cards. Information on products, services, environment and society, plus press, careers and investor sections.
http://www.bp.com/

CEF - Republic of South Africa holding company. Operates producing facilities and gas-to-liquids plant. Retail sales. Awards exploration concessions. Stores crude oil.
http://www.cef.org.za/

Vietnam Oil and Gas Corporation - Official web site. News, business opportunities, technology, community involvement.
http://www.petrovietnam.com.vn/

Husky Energy Inc. - Western Canada oil and gas production. Heavy Oil production. Exploration offshore, eastern Canada. Also operates pipelines, refineries and retail stores.
http://www.huskyenergy.ca/

ConocoPhillips - Third largest integrated energy company in the U.S. and the fifth largest refiner in the world.
http://www.conocophillips.com/

PetroChina - Large integrated company operating in China. Exploration and production, refining, petrochemicals and retail marketing. Transmission and sales of natural gas.
http://www.petrochina.com.cn/

Saudi Aramco - Saudi Arabian Oil Company produces, manufactures, markets and ships crude oil, natural gas and petroleum products to meet the global demand.
http://www.saudiaramco.com/

ZPL Energy LLC - Operating partner and production management of joint venture assets in Nigeria and Equatorial Guinea.
http://zplenergy.com

Imperial Oil - Exploration, production, refining and retail sales. Operates primarily in Canada. Involved in Cold Lake oil sands project.
http://www.imperialoil.com/

Citgo Petroleum - Tulsa based global energy company.
http://www.citgo.com/

YPF Sociedad Anonima - An integrated oil and gas company that explores, distributes and sells petroleum and related products. Multilingual site. (NYSE:YPF)
http://eng.repsol-ypf.com/

BG Group - Integrated natural gas company, including exploration, production, storage, transportation and distribution.
http://www.bg-group.com/

Sinclair Oil Corporation - Based in Utah, U.S. History, services, and station locator.
http://www.sinclairoil.com/

Marathon Oil Company - Operates in 18 states and many foreign areas. An integrated company including transportation, refining and product sales.
http://www.marathon.com/

Rompetrol - Vertically integrated company operating in Romania. Also a oilfield service company managing projects internationally.
http://www.rompetrol.com/

El Paso Corporation - Operations from wellhead to the trading floor. Oil and gas production, and pipelines.
http://www.elpaso.com

Murphy Oil Corp. - A worldwide oil and gas exploration and production company with refining and marketing operations as well as retail gas stations.
http://www.murphyoilcorp.com/

Williams Energy Services - Offer a range of services, including natural gas gathering, processing and liquid pipelines, petroleum products pipeline and terminalling, refineries, exploration and production, energy marketing and trading, and electricity generation .
http://www.williams.com/

Valero Energy Corp. - Oil refiners with a throughput capacity of nearly 2 million barrels per day. Operates Valero and Diamond Shamrock gas stations and convenience stores. Provides information on services, environment issues, company news, investor data, and employment opportunities. (NYSE: VLI)
http://www.valero.com/

Royal Dutch/Shell Group - Five core businesses are exploration/production, oil products, chemicals, gas and power Generation, and renewables.
http://www.shell.com/

Able Energy, Inc. - Holding company whose subsidiaries provide retail distribution and the provision of services relating to, fuel oil, propane gas and natural gas. (Nasdaq: ABLE).
http://www.ableenergy.com/

Tamoil - This major operator in the oil and energy industry introduces its activities in the oil and energy sectors in Europe and Africa.
http://www.tamoil.com

TotalFinaElf.com - Major integrated oil and gas corporation. Based in France.
http://www.total.com/

Petrobras - Brazilian oil producer with refineries, production and exploration areas, pipelines, and terminals. Includes a classroom to learn more about the industry.
http://www2.petrobras.com.br/ingles/index.asp

Apache Energy - Owns and manages 950 wells in south and central Texas. Assistance in buying and selling leases and water rights in that area. Sells/leases a variety of field equipment including trucks, pump jacks, casing, and drilling rigs.
http://www.apacheenergy.com/

ExxonMobil - Petroleum manufacturer. Includes news and product and service information. [NYSE: XOM]
http://www.exxonmobil.com

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.
http://omv.com/

Blue Dolphin Energy Company - Develops and operates oil and gas properties, transport processes, and storage for imported crude oil and refined products. (Nasdaq: BDCO).
http://www.blue-dolphin.com/

Sahara Group - Nigeria-based energy-oriented conglomerate. Involved in refining and sale of petroleum products, exploration and development, and various oil industry services.
http://www.sahara-group.com/

Chevron Corp. - Produces and refines oil. Includes product information, community programs and learning center.
http://www.chevron.com/

TNK International - Vertically integrated oil company operating primarily in the western half of Russia.
http://www.tnk-bp.com/

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.
http://www.texaco.com