Helmerich & Payne International Drilling was established in 1958, when Helmerich & Payne began drilling for oil and natural gas in Venezuela. Helmerich & Payne International Drilling raises the platform for Latin American crude. The contract oil and gas driller (a subsidiary of Helmerich & Payne) operates 11 drilling rigs in Venezuela. Ecuador is a second core area, with eight rigs in operation there. Helmerich & Payne International Drilling also drills in Argentina (three rigs), Colombia (two rigs), Tunisia (one rig), Bolivia (one rig), and Chile (one rig). In 2007 Helmerich & Payne International Drilling continued operations under a management contract for a customer's rig located offshore Equatorial Guinea, and completed a drilling consulting services contract in Russia.

PSEG Energy Holdings is the holding company for two of Public Service Enterprise Group's unregulated businesses -- international energy distribution and independent power production unit, PSEG Global, and its energy investment unit, PSEG Resources. PSEG Global owns interests in independent power plants and other energy assets, primarily in North America. PSEG Resources makes energy infrastructure investments, including marketable securities, operating and leveraged leases, leveraged buyout funds, and limited partnerships, in an attempt to produce steady earnings.

BP Marine has a presence in more than 50 countries and 300 ports globally, supplying customers with high quality fuels, technologically advanced lubricants and a wide range of innovative services. Committed to the environment, BP Marine is developing cleaner fuels, biodegradable lubricants and innovative emissions abatement technology and trading solutions. It is also currently rolling out a programme of upgrading infrastructure at its existing ports, further underlining its long term commitment to the maritime industry.

Swedish oil refining, Saudi ownership. Preem Petroleum, the largest oil refining company in Sweden, operates two refineries and a network of about 500 service stations nationwide. Its refineries, Preemraff Lysekil and Preemraff Gothenburg, process 16 million tons of oil annually, making Preem the largest refiner in the Nordic region. The refining and marketing company purchases about 50% of its crude oil supply from the North Sea and 47% from Russia. It exports about two-thirds of its refined products. Preem is controlled by Saudi Arabian investor Mohammed Hussein Ali Al-Amoudi.

Located directly between Green Bay and Milwaukee, Quality State Oil is in a good spot to fill up when you're driving through Wisconsin. The company operates a chain of 21 Q Mart gas stations from which it sells BP, Citgo, Exxon Mobil, and Shell gasoline. Quality State Oil operates its own fleet for distribution and supplies gasoline, diesel, Mobil lubricants, kerosene, heating oil, and fuel oil throughout northeast Wisconsin. The company also has three bulk plants, which have the capacity to store a half-million gallons of fuel.

Shell Global Solutions International BV was formed in 1998. Shell Global Solutions coordinates the operations of half a dozen of Royal Dutch Shell technology businesses worldwide. Shell Global Solutions International BV provides research and technical services to a range of petroleum-related industry segments including additive process industries; automotive manufacture and supply; exploration and production; chemicals; gas and LNG processing; motorsports; refining; oil marketing; and supply and distribution. Shell Global Solutions International BV services include chemical analysis, crude oil evaluation, engineering, energy optimization, gas-to-liquids conversion, gasification, hydrocracking, inspections, thermodynamics, and water treatment.

Chevron is one of the world's largest integrated energy companies. Headquartered in San Ramon, California, Chevron U.K. Ltd conduct business in countries all around the globe. Chevron U.K. Ltd are engaged in every aspect of the crude oil and natural gas industry, including exploration and production, manufacturing, marketing and transportation, chemicals manufacturing and sales, geothermal, and power generation. Chevron U.K. Ltd also investing in renewables and advanced technologies. In 2008 two Britannia satellite fields (Callanish and Brodgar) began production. Chevron U.K. is also developing the North Sea-based Clair Field, in which it holds a 19% interest.

RWE npower is a leading integrated UK energy company and is part of the RWE Group, one of Europe’s leading utilities. We serve around 6.6 million customer accounts and produce more than 10% of the electricity used in England and Wales.We supply electricity and gas to residential and business customers through our retail business, npower, and we operate and manage a flexible portfolio of coal, oil and gas-fired power stations. We also manage a portfolio of cogeneration plant and, through RWE Power International, we sell our expertise in power generation to third parties. RWE npower has gone to the nth degree to bring to power in the UK. The company controls the UK holdings of the former National Power, whose non-UK businesses have been organized as International Power. The integrated energy company's primary business, npower, is a retail energy supplier that serves 6.6 million electricity customers and natural gas customers. RWE npower is also an energy trader, and has a generation capacity of about 10,000 MW (primarily fossil-fueled). Other operations include engineering services and energy conservation services. Affiliate npower renewables, part of RWE Innogy, leads the UK wind power market. German multi-utility RWE acquired the company in 2002.

Gulf Oil bridges the gap between petroleum producers and retail sales outlets. The petroleum wholesaler distributes gasoline and diesel fuel to more than 2,400 Gulf-brand stations in 11 northeastern states. Gulf Oil, which owns 12 (and operates a network of more than 60) storage terminals, also distributes motor oils, lubricants, and heating oil to commercial, industrial, and utility customers. Gulf Oil Limited Partnership has alliances with terminal operators in areas in the Northeast where it does not have a proprietary terminal. Gulf Oil boasts one of the oldest and most recognizable brands in the oil business. Regional convenience store chain and gas retailer Cumberland Farms controls the company.

Peninsula Petroleum Ltd is a major physical bunker and lubricant supplier at the ports of Gibraltar, Ceuta, Canary Islands and Panama and is active as a worldwide trader with annual sales in excess of 5,000,000 metric tonnes. Peninsula Petroleum guarantees high quality products and first-class customer care. From our offices in London, Gibraltar, Geneva, Tønsberg, Athens, Dubai, Singapore, Shanghai and Montevideo our staff bring the benefits of their experience and expertise to provide clients with a professional, cost-effective means of meeting their fuel requirements on a global basis.

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