Rex Energy Corporation operates as an independent oil and gas company in the Illinois Basin and the Appalachian Basin. The oil and gas exploration and production company has estimated proved reserves of 11 million barrels of oil equivalent, primarily from three regions: the Illinois Basin (in Illinois and Indiana) and the Appalachian Basin (Pennsylvania and West Virginia). Rex Energy Corporation owns interests in the Lawrence Field ASP Flood project, which is an oil recovery project located in Lawrence County, Illinois; and the Marcellus Shale drilling projects located in Pennsylvania in the Appalachian Basin. As of December 31, 2008, Rex Energy Corporation operated approximately 2,314 wells. Rex Energy Corporation has a joint venture agreement with Stonehenge Energy Resources, L.P. to build a high pressure gathering system and cryogenic gas processing plant in Butler County, Pennsylvania. Rex Energy Corporation was incorporated in 2007 and is headquartered in State College, Pennsylvania.

Chevron Corporation (Chevron) manages its investments in subsidiaries and affiliates, and provides administrative, financial, management and technology support to the United States and International subsidiaries that engage in fully integrated petroleum operations, chemicals operations, mining operations of coal and other minerals, power generation and energy services. Exploration and production (upstream) operations consist of exploring for, developing and producing crude oil and natural gas, and also marketing natural gas. Refining, marketing and transportation (downstream) operations relate to refining crude oil into finished petroleum products; marketing crude oil and the many products derived from petroleum, and transporting crude oil, natural gas and petroleum products by pipeline, marine vessel, motor equipment and rail car. In April 2009, Reliance Industries Limited bought back Chevron Corporation's 5% stake in Reliance Petroleum Limited.

Linn Energy, LLC was founded in 2003 and is headquartered in Houston, Texas. Linn Energy, LLC, through its subsidiaries, engages in the development and acquisition of gas and oil properties in the United States. Linn Energy, LLC has oil and gas, and natural gas reserves in Mid-Continent, which includes the Texas Panhandle operating area; and Western region comprising the Brea Olinda field of the Los Angeles Basin in California. As of December 31, 2007 the company had proved reserves of 1,945.5 billion cubic feet equivalent of oil and gas, and natural gas liquids. Linn Energy, LLC also operated 7,305 gross productive wells.

In addition to its exploration activities, the Corporation was given powers and operational interests in refining, petrochemicals and products transportation as well as marketing. Between 1978 and 1989, NNPC constructed refineries in Warri, Kaduna and Port Harcourt and took over the 35,000-barrel Shell Refinery established in Port Harcourt in 1965. Whether it's downstream or upstream, the Nigerian National Petroleum Corporation (NNPC) goes with the flow of oil and gas. NNPC oversees the petroleum industry of one of the top, albeit politically turbulent, oil-producing countries in the world. the NNPC produces oil through dominant positions in partnerships with major world oil companies. The company has four refineries, in Port Harcourt (2), Warri, and Haduna) with a total capacity of 445,000 barrels per day. NNPC also oversees the nation's natural gas industry and has liquefied natural gas operations. It oversees 5,000 kilometers of oil and gas pipeline, 21 storage tanks and nine LPG depots.

Noble Energy, Inc. was founded in 1932 and is based in Houston, Texas. Noble Energy, Inc., through its subsidiaries, engages in the acquisition, exploration, development, production, and marketing of crude oil, natural gas, and natural gas liquids in the United States and internationally. Noble Energy, Inc. operates and holds interests in properties, including Wattenberg field and Piceance basin located in Colorado; San Juan basin in northwestern New Mexico and southwestern Colorado; Niobrara field in the tri-state area (eastern Colorado, extending into Kansas and Nebraska); Bowdoin field in north central Montana; and the Wind River basin in central Wyoming. Noble Energy, Inc. also holds properties in Texas, Panhandle, Oklahoma and Kansas deepwater Gulf of Mexico, Louisiana, Illinois, Indiana, and other areas. Noble Energy also operates in Equatorial Guinea and Cameroon in West Africa, the North Sea, Israel, Ecuador, China, and Suriname.

Over the past 40 years, GS Caltex, which aims to be a total energy service leader, has been pushing to not only perform in the petroleum and petrochemical businesses, but also to diversify its energy business, thus leading the energy industry. GS Caltex (formerly LG-Caltex) operates the world's largest plant producing benzene, which is used in in the production of unleaded gas. Korea's #2 oil refiner after SK Group, the company (jointly owned by GS Holdings and Chevron) has a refining capacity of 770,000 barrels of oil per day, and its aromatic plant can produce 2.8 million tons annually. It also operates 3,400 gas stations. GS Caltex operates a gas utility and is a major importer of liquefied natural gas (LNG). The company also has oil exploration, shipping, and electric power interests. GS Caltex was set up in 1967 as a joint venture of Lucky Ltd. (a predecessor of Korea's LG Group) and Caltex.

Targa Resources Partners LP provides midstream natural gas and natural gas liquid (NGL) services in the United States. The company operates through two divisions, Natural Gas Gathering and Processing, and NGL Logistics and Marketing. The Natural Gas Gathering and Processing division engages in gathering, compressing, dehydrating, treating, conditioning, processing, marketing, and transporting natural gas and NGLs. This segment operates in the Permian Basin in West Texas, the Fort Worth Basin in North Texas, and the onshore region of the Louisiana Gulf Coast. As of December 31, 2009, it owned and operated approximately 6,500 miles of natural gas pipelines and approximately 750 miles of NGL pipelines. The NGL Logistics and Marketing division involves in fractionation, storage, terminalling, transportation, distribution, and marketing of NGLs. It operates in the Mont Belvieu and Galena Park near Houston, Texas; and Lake Charles, Louisiana. Targa Resources GP LLC serves as the general partner of the company. The company was founded in 2006 and is based in Houston, Texas. Targa Resources Partners LP is a subsidiary of Targa Resources, Inc.

Taylor Oil keeps on trucking to make sure that it provides petroleum distribution and on-site fueling services to construction crews, contractors, marinas, and trucking fleets along the East Coast. Taylor Oil Co., Inc. trucks visit job sites on a predetermined schedule and time, to custom-deliver and fill all of a client's equipment, tanks, and vehicles. Many of Taylor Oil's trucks carry both on- and off-road diesel so that it can fuel all types of equipment, not just construction machinery. Taylor Oil Co., Inc. delivers loads to meet the needs of 10,000-gallons-per-day users as well as clients needing as little as 50 gallons per day.

Phoenix Technology Income Fund (formerly Phoenix Technology Services) looks to bring new life, in terms of profits, over and over again. It provides contracting services for oil and gas well drilling, specializing in directional and horizontal drilling. It also provides equipment, supervision, and technology services to oil and gas enterprises worldwide and has drilled more than 6,000 wells. In addition to drilling services, it sells its own drilling guidance systems. The income fund operates in Canada through Phoenix Technology Services and in the US through Nevis Energy Services. Phoenix Technology has operated since 1985 and was reorganized as a trust in 2004.

AltaGas Income Trust invests in natural gas industries in Western Canada and the northern US. Through its holdings AltaGas Income Trust gathers, processes, and extracts natural gas. Through AltaGas Income Trust gathering and processing division, it operates more than 6,500 kilometers of pipeline and 77 processing facilities that can process 1.2 billion cu. ft. of gas per day. AltaGas Income Trust also has interests in four ethane and natural gas liquids (NGLs) extraction and fractionation plants and five transmission pipelines. Through its energy services division, AltaGas Income Trust services approximately 6% of the Alberta power market. AltaGas pursues opportunities along the energy value chain that offer strong financial returns and growth potential. The Trust owns and operates energy infrastructure in both the natural gas and power sectors. AltaGas Income Trust people have in-depth knowledge and expertise in the natural gas and power markets where the company operate.

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