Repsol YPF, Spain's largest oil company. A fully integrated oil and gas company, Repsol YPF operates in Latin America, the Middle East, and North Africa. The firm controls YPF, Argentina's #1 oil company, and has operations in about 30 other countries. Repsol YPF operates five refineries in Spain and one in Peru and produces chemicals, plastics, and polymers. Repsol YPF sells gas under the brands Campsa, Petronor, and Repsol at more than 6,000 service stations in Europe and Latin America. Repsol YPF is one of Spain's largest sellers of liquefied petroleum gas and liquefied natural gas. In 2008 Repsol YPF reported estimated proved reserves of 2.2 billion barrels of oil equivalent.

Wood Group ESP provides oil and gas production equipment and services. The centerpiece of the company's products is its suite of electric submersible pumps (ESPs). Wood Group ESP, Inc. also offers related products such as motors, seals, gas separators and intakes, downhole sensors, electric submersible power cables, and motor controls. In addition, Wood Group ESP, Inc. provides repair and service of its submersible pumping equipment. Wood Group ESP's customers include major oil and gas companies operating worldwide. Wood Group ESP, Inc. is a subsidiary of John Wood Group.

Oakridge Energy, Inc. was founded in 1969 and is based in Wichita Falls, Texas.Oakridge Energy, Inc. engages in the exploration for, development, production, and sale of oil and gas primarily in Texas. Oakridge Energy, Inc. owns a 25% working interest in the BSR field consisting of 23 producing wells in Madison County, Texas. Oakridge Energy, Inc. also owns interest in a gravel property, which consists of gas, coal, and other mineral deposits on approximately 63.5 acres of land in La Plata County, Colorado. As of February 28, 2009, Oakridge Energy, Inc. owned working and overriding royalty interests in 8,884 gross acres of developed oil and gas leases, and 51 gross productive oil and gas wells.

NuStar GP Holdings, LLC (NYSE: NSH) owns general partner and limited partner interests in NuStar Energy L.P. (NYSE: NS), one of the nation's largest asphalt refiners and marketers and operators of petroleum product terminals and petroleum liquids pipelines. The general partner manages the business affairs of NuStar Energy L.P., which is a master limited partnership based in San Antonio, with 8,417 miles of pipeline, 82 terminal facilities and four crude oil storage facilities. It has assets strategically located in major U.S. markets and in the Netherlands Antilles, Canada, Mexico, the Netherlands and the United Kingdom. NuStar Energy L.P.'s asphalt refineries, refined product terminals, petroleum and specialty liquids storage and terminaling operations, and crude oil storage tank facilities are predominantly located on waterways that are easily accessible by barge or vessel. Altogether, these facilities have over 91 million barrels of storage capacity. NuStar Energy L.P.'s crude oil and refined products pipeline systems largely serve growing markets in the Mid-Continent, Southwest and Texas-Mexico border region of the United States.

Winstar Resources Ltd. is a publicly traded oil and gas company listed on the Toronto Stock Exchange, focused primarily on Tunisia. Winstar Resources, Ltd. is headquartered in Calgary, Alberta, Canada, with international headquarters in Breda, The Netherlands and offices in Geneva, Switzerland; Tunis, Tunisia; Szolnok, Hungary and Bucharest, Romania. In 2005 Winstar Resources, Ltd. acquired Athanor, which produces in Tunisia, and El Paso Hungary Oil and Gas Concession L.L.C. Founded in 1996 as Virginia Energy Corporation, Winstar Resources, Ltd. subsequently changed its name to Winstar Resources. Winstar will focus primarily on high impact Tunisian wells which have the potential to substantially increase cash flow and production. Future activity will be funded, in great part, internally, by cash flow and divestment of non-core assets, and externally, through joint venture partnerships.

Zapata Energy Corporation is a Calgary-based junior oil and gas exploration and production company. Zapata Energy Corporation has oil and gas production and processing facilities as well as undeveloped petroleum and natural gas rights in Alberta and British Columbia, Canada. Financially sound and conservatively managed, Zapata Energy Corporation acquires and develops promising energy assets offering reasonable risks and the potential for strong, stable cash flow and competitive rates of return. Zapata Energy Corporation has about 251,400 net acres in Alberta and 5,200 net acres in British Columbia. Zapata Energy has a large inventory of oil projects and its looking to team up with other oil firms and investors in order to exploit them.

Idemitsu Kosan Co., Ltd. was founded in Moji, Kita-Kyushu, in 1911 under the name of Idemitsu Shokai to engage in oil distribution. Since its foundation, Idemitsu has worked hard under the fundamental principle of social contribution through business, always maintaining respect for human beings in carrying out business operations. During its 97-year history, the Company has deployed its expertise globally in a wide range of strategic businesses, such as Core Businesses, including fuel products and basic chemicals; High Value- Added Businesses, including lubricants, performance chemicals, engineering plastics and such electronic materials as organic light emitting diode (OLED) materials, developed based on its own technologies cultivated in the Core Businesses; and Resource Businesses, including coal, uranium and geothermal energy in addition to oil exploration and production. As long as Japanese drive Toyotas, there will be a role for Idemitsu Kosan. The company is the #2 oil refiner in Japan (behind Nippon Oil). At its four refineries in Japan (processing 640,000 barrels per day) Idemitsu Kosan produces petroleum products, such as gasoline and other fuels, kerosene, and lubricants. It markets its fuel products through a network of 4,600 service stations. Idemitsu Kosan sells heavy oil and jet fuels to industries and kerosene and liquefied petroleum gas (LPG) to the residential sector. The company also has interests in oil exploration and production, as well as in other energy sources, including coal and uranium.

Gasco Energy, Inc. was formerly known as San Joaquin Resources, Inc. Gasco Energy, Inc. was founded in 1997 and is based in Englewood, Colorado. Gasco Energy, Inc. operates as a natural gas and petroleum exploitation, development, and production company. Gasco Energy, Inc. engages in locating and developing hydrocarbon resources primarily in the Rocky Mountain region. Gasco Energy, Inc. acquires leasehold interests in petroleum and natural gas rights, and exploits and develops properties subject to those leases. Gasco Energy focuses on drilling efforts in the Riverbend project located in the Uinta Basin of northeastern Utah. As of December 31, 2008, the company held interests in 330,923 gross acres located in Utah, Wyoming, California, and Nevada; and 126 gross producing wells and 5 shut-in wells. Gasco Energy, Inc. serves natural gas transmission pipeline and marketing companies, utilities, refining companies, and private industry end-users.

Statoil ASA was founded in 1972 and is based in Stavanger, Norway. Statoil ASA engages in the exploration, production, transportation, refining, and marketing of petroleum and petroleum-derived products. Statoil ASA involves in the exploration, development, and production of crude oil and natural gas in Norway and internationally, as well as extraction of natural gas liquids. Statoil ASA also transports and markets natural gas and natural gas products; and operates 2,000 full-service Statoil-branded service stations in Scandinavia, as well as approximately 100 fully-automated sales outlets under the 1-2-3 name. In addition, Statoil engages in petroleum refining operations; marketing crude oil and refined petroleum products; and provision of technical services for approximately 7,000 kilometers of pipeline from the Norwegian continental shelf to Europe. Statoil ASA was formerly known as StatoilHydro ASA and changed its name to Statoil ASA in November 2009.

The company engages in oil and natural gas exploration and production activities, mainly in the Gulf Coast, Michigan, and the mid-continent, Permian Basin, and Rocky Mountain regions. In 2008 Whiting Petroleum Corporation reported proved reserves of 180 million barrels of oil and 354.8 billion cu. ft. of natural gas. That year Whiting Petroleum operated 3,337 net productive wells. Whiting Petroleum Corporation sells oil and gas production to end users, marketers, and other purchasers that have access to nearby pipeline facilities. Where there is no practical access to pipelines, oil is trucked to storage facilities. Whiting Petroleum Corporation had interests in 9,616 gross productive wells. Whiting Petroleum Corporation was founded in 1983 and is based in Denver, Colorado.

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