Quicksilver Resources Inc. was founded in 1997 and is headquartered in Fort Worth, Texas with additional offices in Cut Bank, Montana; Glen Rose, Texas; and Calgary, Canada. Quicksilver Resources Inc., an independent energy company, engages in the acquisition, exploitation, exploration, development, production, and sale of natural gas, natural gas liquids, and crude oil in North America. Quicksilver Resources Inc. also involves in marketing, processing, and transmission of natural gas. Quicksilver Resources Inc. has interests in the Barnett Shale play in the Fort Worth Basin in north Texas; and the Rocky Mountain properties located in Montana and Wyoming, as well as interests in 127,000 contiguous acres in the Horn River Basin in northeast British Columbia. Quicksilver Resources Inc. also holds interests in the Canadian CBM properties in Alberta, Canada, as well as exploring the Delaware Basin in West Texas. Quicksilver Resources Inc. sells natural gas and crude oil to various customers, including utilities, oil and natural gas companies or their affiliates, industrial companies, trading and energy marketing companies, and other users of petroleum products. As of December 31, 2008, Quicksilver Resources Inc. had total estimated total proved reserves of 2.2 trillion cubic feet equivalents of natural gas. Quicksilver Resources Inc. has a strategic alliance with Enia S.p.A. to explore properties in the Fort Worth Basin.

Zion Oil and Gas is on a mission in Israel. As an oil and gas exploration company, Zion has exploration operations primarily on two onshore properties that cover about 162,000 acres between Tel-Aviv and Haifa. Zion Oil and Gas, Inc. operates through two licenses that were issued by the State of Israel, and it owns 100% of the working interest in both licenses. When Zion Oil and Gas, Inc. eventually discovers oil and gas, Zion has stated that it will focus its production operations on helping Israel become a more energy-independent country. Zion Oil and Gas, Inc., which was founded in 2000 by chairman John M. Brown, went public in 2007.

Wintershall is a wholly owned subsidiary of BASF, which is based in Ludwigshafen, and specializes in energy. Wintershall is active in various regions of the world in the exploration and production of crude oil and natural gas. In Europe the BASF subsidiary trades and sells natural gas. Wintershall Holding AG also markets storage capacities for oil and gas, transportation capacities for gas as well as optic fiber capacities. Wintershall has been active in the exploration and production of oil and gas for more than 75 years, and with its headquarters in Kassel, Wintershall Holding AG is now Germany’s largest producer of crude oil and natural gas. In its exploration and production activities, Wintershall deliberately focuses on selected core regions where the company possesses a wealth of regional and technological expertise. These regions include Europe, North Africa, South America as well as Russia and the Caspian Sea region. In addition, these operations are complemented by the Wintershall Holding AG growing exploration activities in the Arabian Gulf.

Chevron U.S.A. wears its name like a badge of honor. The company, the major US subsidiary of global oil and gas giant Chevron, oversees most of its parent's of US businesses. Its assets include exploration and production assets. It is also one of North America's leading marketers of refined petroleum products (including diesel, gas, and motor oil). Chevron U.S.A operates a gas station network of more than 8,800 Chevron outlets in the West and South and 2,500 Texaco stations in the East and South. It also holds the Chevron's investment in the Chevron Phillips Chemical Company joint venture. Chevron U.S.A's industrial customers purchase base and process oils as well as fuel and lubricant additives.

Contango Oil & Gas Company was founded in 1986 and is based in Houston, Texas.Contango Oil & Gas Company, together with its subsidiaries, engages in the exploration, development, production, and acquisition of oil and natural gas properties primarily offshore in the Gulf of Mexico. Contango Oil & Gas Company also holds interests in an alternative energy company. Contango Oil & Gas Company has alliance with Juneau Exploration, L.P. for assembling natural gas and oil prospects.

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.

The Chinese petroleum handled by this company is in the other China, Taiwan. CPC (formerly Chinese Petroleum Corporation) is engaged in the exploration, production, refining, storage, transportation, and the sale of oil and oil products in Taiwan. To supplement oil supply to hydrocarbon-poor Taiwan, the state-owned monopoly has stakes in oil and gas exploration ventures in Australia, Chad, Ecuador, Kenya, Indonesia, Libya, the US, and Venezuela. Its refineries produce natural gas, kerosene, fuel oil, ethylene, propylene, and other refined products. CPC owns and operates more than 2,030 gas stations, as well as boat and aviation refueling stations. The Taiwanese government has CPC on track for privatization.

Cordy Oilfield Services is building its construction business with acquisitions. The Canadian company owns and manages about a dozen operating subsidiaries in Alberta and British Columbia that provide heavy construction, pipeline, drilling manufacturing, and environmental services. These segments serve the oil and gas, mining, private real estate development, and public infrastructure markets. Heavy construction contracts account for about half of Cordy's revenue; services under this segment include road maintenance, gravel and concrete supply, dredging, heavy hauling, and bridge installation. The majority of Cordy's customers are located in western Canada.

Boots & Coots, Inc. provides a suite of integrated pressure control and related services to onshore and offshore oil and gas exploration and development companies primarily in North America, Asia, South America, north and west Africa, and the Middle East. Boots & Coots International Well Control, Inc. operates in three segments: Pressure Control, Well Intervention, and Equipment Services. The Pressure Control segment offers prevention and risk management services, including training, risk analysis, contingency planning, well plan reviews, audit programs, inspection services, and engineering services, as well as the prevention and control of blowouts and the mitigation of risks related to installations to reduce the number and severity of critical well events. This segment also involves in the rental and sale of firefighting equipment; provision of snubbing services, pre-event engineering services, specialized drilling engineering, and training services. Boots & Coots International Well Control, Inc. was formerly known as Boots & Coots International Well Control, Inc. and changed its name to Boots & Coots, Inc. in May 2009. Boots & Coots, Inc. was founded in 1988 and is based in Houston, Texas.

KCA DEUTAG is a wholly-owned subsidiary of Abbot Group. In March 2008, Abbot Group plc was acquired by First Reserve Corporation, a US-based private equity firm. KCA DEUTAG Drilling Limited is a major land driller with more than 60 land rigs operating worldwide and is the largest offshore drilling contractor in the UK sector of the North Sea. KCA DEUTAG has more than 30 offshore platforms and 10 mobile offshore drilling rigs (including jackups) in the North Sea, the Caspian Sea, Angola, and Sakhalin. KCA DEUTAG Drilling Limited is also active in the Middle East, Africa, and Asia. Not just a contractor, KCA DEUTAG Drilling Limited also designs, engineers, and constructs platform rigs. KCA DEUTAG delivers rigs primarily to large international operators in the oil and gas industry. KCA DEUTAG Drilling Limited is a subsidiary of Abbot Group, a major UK-based oil field services concern.

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