SK Group, one of South Korea's top five "chaebol" (industrial conglomerates), covers a broad spectrum of businesses through its affiliates. The company has about 40 affiliated companies, with operations ranging from energy, telecommunications, finance, and construction. Its energy and chemical arm, SK Energy, is Korea's largest petroleum refiner. Like other "chaebol" under government orders to reorganize in the wake of the Korean financial collapse of the late-1990s, SK Group has pared down its affiliates. The slimmer SK Group is focusing on three core businesses: information and telecommunications (through SK Telecom), energy and chemicals (through SK Energy), and trading and services (SK Networks).

TonenGeneral Sekiyu K.K. has conducted business over many years as a leader in the petroleum and petrochemical industries in Japan. In our current operating environment, overall demand for oil in Japan is expected to decline due to changes in the energy demand structure associated with rising crude oil prices and evolution in the country's industrial composition. On the other hand, tightening of the supply/demand balance for petroleum products worldwide has led to increased export opportunities. In the petrochemical business, while global demand especially for basic petrochemical products continues to grow strongly and has supported our financial results in the last few years, we need to progress our strategy in a timely manner to cope with changes in the business environment. Under these conditions, the TonenGeneral Group is taking an integrated approach to all of its businesses, including refining and supply of petroleum products, marketing and chemicals. Specifically, we are pursuing the optimal combination of raw materials, product supply, and marketing channels to maximize added value. We also take full advantage of the ExxonMobil Group network to continue and further develop our business activities as a company with world-class cost competitiveness and technology, and the best refining, marketing and chemical operations in Japan. We intend to maintain growth and development in the future by achieving the highest global standards of operating efficiency and profitability.

On a barren piece of land in Harris County, Texas, just outside of Houston, a discouraged but still determined drilling crew struck “black gold” in 1917. Weeks after paychecks from the new Crown Oil and Refining Company had run dry, ‘Well Number 3’ finally spouted oil. What flowed from the well was more than just crude oil; it was the foundation of what became Crown Central Petroleum Corporation and has evolved into Crown Central LLC. The revenue generated by ‘Well 3’ enabled the young company to construct its own refinery. One of the very first refineries built on the Houston Ship Channel, the plant opened in 1920 with lube oil as its only product. But the range of products would begin to grow with the manufacturing of gasoline in 1925, the same year the Company was incorporated as Crown Central Petroleum Corporation.

CNX Gas Corporation engages in the exploration, development, production, and gathering of natural gas primarily in the Appalachian and Illinois basins, the United States. CNX Gas Corporation primarily develops coalbed methane (CBM), as well as conventional marcellus and other shale gas. CNX Gas Corporation holds rights associated with CBM for 4.5 billion tons of proved coal reserves in northern Appalachia, central Appalachia, the Illinois Basin, and other western basins. As of December 31, 2009, CNX Gas had 1.9 trillion cubic feet equivalent of net proved reserves. CNX Gas Corporation is headquartered in Canonsburg, Pennsylvania. CNX Gas Corporation is a subsidiary of CONSOL Energy Inc.

Qatar Petroleum (QP) is the government-owned oil and gas conglomerate of the small Mideast country. Qatar Petroleum has upstream (exploration, drilling, production) and downstream (refining) operations for crude oil, natural gas, liquefied natural gas (LNG), and other refined products. Its Dukhan oil field can produce up to 335,000 barrels per day. QP has onshore crude oil reserves of 1,842 million barrels and onshore gas reserves of some 8 trillion cubic feet. Its two offshore production stations produced almost 90 million barrels of oil in 2008. Through partnerships with such companies as ExxonMobil, Occidental, and TOTAL, QP supplies oil and gas to North America, Asia and Europe.

EnerJex was formed in 2006 by the merger of Millennium Plastics Corporation and Midwest Energy. EnerJex Resources, Inc. (EnerJex) oil and natural gas acquisition, exploration and development company. EnerJex’s principal strategy is to focus on the acquisition of oil and natural gas mineral leases that have existing production and cash flow. EnerJex Resources, Inc. works primarily in Eastern Kansas, buying producing properties that it feels are undervalued or that were abandoned by other oil companies when oil prices were below $10 a barrel. EnerJex Resources, Inc., which has proved reserves of 1.2 million barrels of oil equivalent, holds full or partial interest in half a dozen oil, gas, and oil and gas projects across Kansas. EnerJex Resources, Inc. uses enhanced drilling techniques to recover additional oil and gas from already explored fields.

Blarney Castle Oil and Propane has a reputation for reliably supplying its customers with fuels. The family-owned company transports petroleum products to customers through about 10 office locations in Michigan. Blarney Castle Oil and Propane Co. products include agricultural and commercial fuels (diesel and gasoline), commercial and industrial lubricants and coolants, home heating oil, fuel oil, and propane. Blarney Castle Oil and Propane also operates 90 convenience stores under the EZ Mart brand name.

Hercules Offshore, Inc., together with its subsidiaries, provides shallow-water drilling and marine services to the oil and natural gas exploration and production industry in the U.S. Gulf of Mexico and internationally. Hercules Offshore, Inc. serves integrated energy companies, independent oil and natural gas operators, and national oil companies. As of March 31, 2009, the company owned a fleet of 31 jackup rigs, 17 barge rigs, 3 submersible rigs, 1 platform rig, and a fleet of marine support vessels operated through Delta Towing, a wholly owned subsidiary, as well as 60 liftboat vessels and 5 liftboat vessels owned by a third party. In addition, Hercules Offshore, Inc. owns 4 retired jackup rigs and 10 retired inland barges located in the U.S. Gulf of Mexico. Hercules Offshore, Inc. was formerly known as Hercules Offshore, LLC and changed its name to Hercules Offshore, Inc. in November 2005. Hercules Offshore, Inc. was founded in 2004 and is based in Houston, Texas.

No, Cosmo Oil is no relation to former Cosmo publisher Helen Gurley Brown. The company is one of Japan's top oil refiners and a major petroleum distributor. Cosmo Oil has four refineries; it markets its products through a network of more than 4,120 gas stations. The company imports crude oil from the Middle East and has affiliates in Singapore, the UK, and the US. Cosmo Oil is streamlining operations; it is pruning back its chain of service stations, and it has formed a refining and distribution joint venture with Nippon Oil that controls 40% of Japan's oil refining market. In 2008 Abu Dhabi's International Petroleum Investment Company acquired 20% of the company and became its top shareholder.

BreitBurn Energy Partners L.P., an oil and gas partnership, engages in the acquisition, exploitation, and development of oil and gas properties in the United States. BreitBurn Energy Partners L.P. assets primarily consist of producing and non-producing crude oil and natural gas reserves located in the Antrim Shale in Michigan, the Los Angeles Basin in California; the Wind River and Big Horn Basins in central Wyoming; the Sunniland Trend in Florida; the New Albany Shale in Indiana and Kentucky; and the Permian Basin in West Texas. As of December 31, 2008, BreitBurn Energy Partners L.P. total estimated proved reserves were approximately 103.6 million barrels of oil equivalent. BreitBurn GP, LLC serves as the general partner to BreitBurn Energy Partners L.P. BreitBurn Energy Partners is based in Los Angeles, California.

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