Hanjin City Gas supplies natural gas to more than 680,000 domestic (in eight regions) and foreign clients. The company operates close to 1,100 km of gas pipelines, two supply stations, and 22 regional control stations. Hanjin City Gas also runs intensive safety campaigns to educate customers on the prevention of accidents from gas leaks. Hanjin City Gas was founded as a part of Hanjin Engineering & Construction in 1968. In 1986 the company began distributing gas in north eastern Seoul. Hanjin City Gas is a subsidiary of Hanjin Heavy Industries.

BJ Services Company provides pressure pumping and other oilfield services to the oil and natural gas industry in the United States, Mexico, Canada, and internationally. BJ Services Company pressure pumping services are provided both on land and offshore. BJ Services Company pressure pumping services comprise stimulation and cementing services. The stimulating services are designed to improve the flow of oil and natural gas from producing formations; the cementing services consist of pumping a cement slurry into a well between the casing and the wellbore to isolate fluids that might damage the casing and/or affect productivity, or that could migrate to different zones, primarily during the drilling and completion phases of a well. BJ Services Company oilfield services include casing and tubular services; precommissioning, maintenance, turnaround, and pipeline inspection services in the process and pipeline services business; and chemical services. BJ Services Company also designs, manufactures, assembles, and installs downhole completion tools that use gravel and sand control screens to control the migration of reservoir sand into the well and direct the flow of oil and natural gas into the production tubing; and sells and reclaims clear completion fluids and performs related fluid maintenance activities, such as filtration and reclamation. BJ Services Company was founded in 1872 and is based in Houston, Texas.

W&T Offshore, Inc. are an independent oil and natural gas acquisition, exploitation and exploration company. W&T Offshore, Inc. are focused primarily in the Gulf of Mexico area, where W&T Offshore, Inc. have developed significant technical expertise and where the high production rates associated with hydrocarbon deposits have historically provided us the best opportunity to achieve a rapid payback on our invested capital. W&T Offshore, Inc. has interests in approximately 77 producing fields in federal and state waters; leases covering approximately 0.6 million net acres in the outer continental shelf off the coasts of Louisiana, Texas, Mississippi, and Alabama; and interests in approximately 288 structures. As of December 31, 2009, W&T Offshore, Inc. had proved reserves of 371.0 billion cubic feet of gas equivalent. W&T Offshore, Inc. was founded in 1983 and is based in Houston, Texas.

UTS Energy is engaged in the exploration for and extraction of bitumen from Alberta's Athabasca oil sands region. UTS Energy Corporation holds a 20% stake in the Fort Hills Oil Sands Project, which has estimated reserves of 4 billion barrels of bitumen. UTS Energy Corporation acquired oil sands explorer True North Energy in 2004, giving UTS Energy 100% ownership of the Fort Hills Oil Sands Project. UTS Energy Corporation subsequently formed subsidiary Fort Hills Energy to develop the asset. Petro-Canada, one of Canada's largest oil producers, owns a 60% stake in the Fort Hills Oil Sands Project and is a development partner; Teck holds 20%. In 2009 French oil titan TOTAL tried to buy UTS Energy for $617 million, but was rebuffed by UTS Energy's board.

Teton Energy Corporation focuses on the acquisition, exploration and development of oil and natural gas in North America. Teton Energy Corporation current operations are concentrated in the prolific Rocky Mountain and Midcontinent regions of the U.S. Teton has leasehold interests in the eastern Denver-Julesburg Basin in Nebraska, the Big Horn Basin in Wyoming and its newest property in the Central Kansas Uplift. Teton is headquartered in Denver, Colorado and is publicly traded on NASDAQ under the ticker symbol TEC. Teton Energy has spent several years shifting its focus from oil exploration in Russia towards natural gas exploration in the Rocky Mountain region. In 2008 Teton Energy reported estimated proved reserves of 26.2 billion cu. ft. of natural gas equivalent, but subsequently sold assets in the Piceance and Williston Basins to pay down rising debt. When this proved inadequate, Teton Energy Corporation filed for Chapter 11 bankruptcy protection in late 2009.

PetroLiance LLC distributes fuels, lubricants, and petroleum products to customers in the Carolinas, Florida, Georgia, Illinois, and Ohio. PetroLiance was founded to anticipate and respond to the fundamental changes that are occurring in the industry, by implementing an innovative new approach to petroleum product distribution and marketing. The ultimate outcome of this endeavor will be improved operations, a higher level of service and responsiveness and, above all, greater profitability for our customers. PetroLiance LLC lubricant products include automotive and aviation lubricants, industrial greases, and metal processing fluids. Boncosky Oil, an authorized distributor of Exxon Mobil brand products in the Chicago area, merged with three other regional ExxonMobil distributors: Commercial Ullman Lubricants Company of Ohio; Lubricant Technologies, active in North and South Carolina, and Georgia; and Young Oil Company of Florida, to form the much stronger national player, PetroLiance.

Northern Natural Gas (NNG) keeps the pipes gassed up. The company operates 15,140 miles of pipeline stretching from the Permian Basin in Texas to the Great Lakes in the Midwest. It also provides transportation and storage services (five natural gas storage facilities) to some 75 utilities and a variety of other customers in the Upper Midwest. NNG has a 5.3 billion cu. ft. per day market area peak capacity. Dynegy took over NNG in 2002 from the pipeline unit's former parent, bankrupt energy giant Enron. The deal was part of Dynegy's proposed acquisition of Enron, which was called off. To strengthen its own balance sheet, Dynegy sold NNG to MidAmerican Energy Holdings later that year.

HOP Energy, LLC through its local branch operations provides fuel oil deliveries and heating and air conditioning service to homes and businesses from New England through the Mid-Atlantic. HOP Energy was formed in 1995 and has grown to become the premier leader of total energy services. Thousands of homes and businesses rely on us for their oil heating, commercial fuels, fleet fueling and heating and air conditioning equipment service needs. HOP Energy (formerly Heating Oil Partners) hops to it when it comes to serving about 150,000 commercial and residential customers in a six-state region from Boston to Philadelphia with heating oil, central air conditioning, commercial fuels, fleet fueling, and heating/air conditioning equipment services. The environmentally conscious company carefully maintains its own bulk storage fuel facilities. HOP Energy also conducts inspections and performs preventative maintenance on its customers' heating equipment to help improve fuel efficiency and reduce particulate emissions. HOP Energy, LLC is controlled by a private investment group led by Longroad Asset Management.

United Refining Company is an independent refiner and marketer of petroleum products. We fuel cars, trucks, airplanes, and farm and construction equipment, as well as the homes and industries in one of America's largest concentrations of people and commerce. Our market includes Pennsylvania and portions of New York and Ohio.United was founded in 1902 in the cradle of the world petroleum industry. From the start we have cherished a role of independence in an industry that has been dominated by the giants. For over 100 years we have remained a free and innovative force in the marketplace, helping to bring the benefits of healthy competition to the people of our region. United owns and operates a modern, fully equipped refinery. While primary emphasis is placed upon maximizing yields of motor gasoline and distillate fuels, the refinery produces a full range of petroleum products. In addition to unleaded gasoline, our products include kerosene, diesel fuel, Number 2 home heating oil, industrial fuels, liquefied petroleum gas (LPG), propane, and several grades of asphalts.

ONEOK Partners gasses up and ships its products through interstate natural gas pipelines in 10 states. Its pipelines include Midwestern Gas Transmission, Guardian Pipeline, Viking Gas Transmission, and OkTex Pipeline. It operates 14,300 miles of gas-gathering pipeline and 5,630 miles of transportation pipeline, as well as gas processing plants and storage facilities. It also owns one of the US's top natural gas liquids (NGL) systems, and operates a parking garage and leases office space in Tulsa. ONEOK holds a 46% stake in ONEOK Partners and 100% of its general partner.

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