OAO Gazprom is engaged in the sale of natural gas. The Company is also involved in other types of activities, which includes the leasing of assets, organization services for gas transportation and storage, sales of gas condensate and refined products. The Company and its subsidiaries are... more

Unocal is one of the world's leading independent natural gas and crude oil exploration and production companies. With more than 6,000 employees, the company's principal oil and gas activities are in Asia and North America. Unocal has no refining or marketing operations.

Calpine Corporation is helping meet the needs of an economy that demands more and cleaner sources of electricity. Founded in 1984, Calpine is a major U.S. power company, currently capable of delivering nearly 24,000 megawatts of clean, cost-effective, reliable, and fuel-efficient... more

Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. Entergy owns and operates power plants with approximately 30,000 megawatts of electric generating capacity, and it is the second-largest nuclear power... more

Duke Energy Corporation (Duke Energy) is an energy company located in the Americas that provides its services through four business units. The Company’s business units are U.S. Franchised Electric and Gas, Commercial Power, International Energy and Duke Energy’s 50% interest in the... more

Petrobras (www.Petrobras.com) is among the world's largest integrated oil and gas companies, engaging in a broad range of activities, including exploration, development, and production of crude oil and natural gas; refining, transportation, and wholesale marketing of crude oil, natural... more

PDVSA is the national oil company of the Republic of Venezuela, entrusted with the development of the petroleum, petrochemical and coal industry. It is responsible for planning, coordination, supervision and control of the activities of its business units and companies, both in Venezuela... more

Centrica is a leading provider of energy and other essential home services. In 2002, it had a turnover of £14.3 billion. In the UK, Centrica offers gas and electricity supply and related products under the British Gas brand, roadside and financial services from the AA, and telecoms... more

The Williams Companies, Inc. (Williams) is a natural gas company. The Company primarily finds, produces, gathers, processes and transports natural gas. Its operations are concentrated in the Pacific Northwest, Rocky Mountains, Gulf Coast and the Eastern Seaboard. Its activities are... more

ONEOK, Inc. purchases, transports, stores and distributes natural gas. The Company’s largest distribution markets are Oklahoma City and Tulsa, Oklahoma; Kansas City, Wichita and Topeka, Kansas, and Austin and El Paso, Texas. Its energy services operation is engaged in wholesale and retail... more

Dynegy Inc. (Dynegy) is engaged in the production and selling of electric energy, capacity and ancillary services from the fleet of 29 operating power plants in 13 states totaling nearly 20,000 megawatt of generating capacity. The Company conducts its operations through its subsidiary,... more

With 31 million customers in France and sales revenue of over 34 billion Euros (including 23% outside France) for a power output of nearly 470 billion kWh and investments abroad, the EDF Group (Electricité de France) is one of the world's leading energy groups.

EPCOR Power L.P. (the Partnership) is a limited partnership. The Partnership has an ownership interest in a portfolio of 20 power generation assets in Canada and the United States. These facilities generate electricity which is sold under long-term contracts. The Partnership’s power... more

Mirant is a competitive energy company that produces and sells electricity in the United States, the Caribbean, and the Philippines. Mirant owns or leases approximately 13,900 megawatts of electric generating capacity globally. The company operates an asset management and energy marketing... more

Repsol YPF, S.A. is an integrated oil and gas company engaged in all aspects of the petroleum business, including exploration, development and production of crude oil and natural gas, transportation of petroleum products, liquefied petroleum gas (LPG) and natural gas, petroleum refining,... more

Eni S.p.A. (Eni) is an integrated energy company. The Company’s activities include finding, producing, transporting, transforming and marketing oil and gas. During the year ended December 31, 2007, the Company’s oil and natural gas production averaged 1.736 million barrels of equivalent... more

Reliant Energy (NYSE: REI), based in Houston, Texas, is an international energy services and energy delivery company with $20 billion in annual revenue and assets totaling $30 billion. The company has a wholesale energy trading and marketing business that ranks among the top five in the... more

Suncor Energy Inc. (Suncor) is an integrated energy company. The Company focuses on developing Canada’s Athabasca oil sands. In addition, the Company explores for, acquires, develops, produces and markets crude oil and natural gas, transports and refines crude oil and market petroleum and... more

E.ON AG (E.ON) is an industrial group in Germany, primarily engaged in the energy business. The Company's operations are organized into separate market units: Central Europe, providing energy in the Netherlands, Hungary, Slovakia, the Czech Republic and Switzerland; Pan-European Gas,... more

RWE is one of the leading international utility companies. The company provides customers with electricity, gas and water as well as services related to these products. The company's core markets are Germany, the UK and Continental Europe. Major companies and millions of households... more

Dominion Resources, Inc. (Dominion) is a producer and transporter of energy. The Company’s portfolio of assets includes approximately 26,500 megawatts of generation, 6,000 miles of electric transmission lines, 55,000 miles of electric distribution lines in Virginia and North Carolina,... more

The IEA has developed an energy co-operation programme for European economies in transition. The work is designed to help the countries achieve market-oriented, efficient energy policies and increase energy security. Activities include energy policy reviews, workshops, harmonisation of... more

NiSource Inc. (NiSource) is an energy holding company whose subsidiaries provide natural gas, electricity and other products and services to approximately 3.8 million customers located within a corridor that runs from the Gulf Coast through the Midwest to New England. The Company is a... more

Public Service Enterprise Group Incorporated (PSEG) is an energy company. The wholly owned subsidiaries of the Company are PSEG Power LLC (Power), Public Service Electric and Gas Company (PSE&G), PSEG Energy Holdings L.L.C. (Energy Holdings) and PSEG Services Corporation (Services). The... more

DTE Energy Company is an energy company. The Company’s utility operations consist primarily of The Detroit Edison Company (Detroit Edison), which is a direct wholly owned subsidiary of DTE Energy Company and Michigan Consolidated Gas Company (MichCon), which is an indirect wholly owned... more

Powergen is an anglo-american integrated energy company. In the it UK Powergen is a leading UK supplier of electricity, gas and telephone services to domestic and small business customers. With 3.2 million customer accounts it is the fastest growing of the major suppliers. In the UK,... more

FPL Energy is a leading clean energy provider with natural gas, wind, solar, hydroelectric and nuclear power plants in operation across the nation. FPL Energy is a subsidiary of FPL Group, Inc., one of the nation's largest providers of electricity-related services. Our portfolio of... more

Constellation Energy Partners LLC is a limited liability company that was formed by Constellation Energy Group, Inc. (Constellation) to acquire oil and natural gas reserves. The Company is focused on the acquisition, development and production of oil and natural gas properties (E&P... more

Pepco Holdings, Inc. (PHI) is a diversified energy company, which, through its operating subsidiaries, is engaged primarily in two businesses: electricity and natural gas delivery (Power Delivery), conducted through the regulated public utility companies, including Potomac Electric Power... more

AGL Energy Limited is an integrated energy company. It is engaged in buying and selling of gas and electricity; construction and/or operation of power generation and energy processing infrastructure; development of natural gas production facilities; exploration, extraction, production and... more

Direct Energy is part of the Centrica group of companies, one of the largest multi-state providers of retail energy services in North America.

Questar Corporation (Questar) is a natural gas-focused energy company with four major lines of business: gas and oil exploration and production, midstream field services, energy marketing, interstate gas transportation, and retail gas distribution. The Company's operations are conducted... more

TransAlta Corporation (TransAlta) is a wholesale power generator and marketer focused on the western regions of Canada and the United States. The Company owns, operates and manages a contracted and geographically diversified portfolio of assets, and has capability in generation fuels,... more

EDF Energy plc is engaged in the provision and supply of electricity and gas to commercial, residential and industrial customers, the provision of services relating to energy, including purchasing of fuel for power generation, the generation of electricity and the operation of public, and... more

Strategic Energy serves many of today's most admired national retailers, with a customer roster that reads like a "Who's Who" in specialty retail, fast food, home improvement outlets, office suppliers, food and drug chains and many more. The reasons why so many national retailers... more

The ScottishPower group supplies energy to millions of business and domestic customers across the UK and the Western United States. Its combined sales total nearly £6.5 billion ($11 billion). The group employs 24,000 people. ScottishPower's ten-year record since privatisation has... more

BG Group plc is a global natural gas business. Active in more than 25 countries across five continents, BG Group operates four business segments - Exploration and Production, LNG, Transmission and Distribution and Power.

TXU Corp., a Dallas-based energy company, manages a portfolio of competitive and regulated energy businesses primarily in Texas. In the competitive TXU Energy Holdings segment (electricity generation, wholesale marketing and retailing), TXU Energy provides electricity and related services... more

Allegheny Energy, Inc. (Allegheny) is a diversified utility holding company that operates through its directly and indirectly owned subsidiaries. The Company is an integrated energy business that owns and operates electric generation facilities and delivers electric services to customers... more

Scottish and Southern Energy is one of the U.K.'s largest energy companies. It is involved in the generation, transmission, distribution and supply of electricity to industrial, commercial and domestic customers; the storage and supply of gas; electrical and utility contracting; domestic... more

PPM Energy (www.ppmenergy.com), part of the IBERDROLA group of companies, has more than 2,000 megawatts (MW) of wind energy in operation or under construction. The strength of its renewable project pipeline has allowed the company to increase its 2010 target by more than 50 percent to at... more

Origin Energy Limited (Origin) is engaged in exploration and production of oil and gas, electricity generation, and wholesale and retail sale of electricity and gas. The Company’s producing assets include Coal Seam Gas and Cooper/Eromanga Basin in Queensland, Otway Gas Project and Bass... more

Gaz de France is a major European natural gas company engaged in natural gas exploration, production, marketing and distribution. The Gaz de France is a leading gas distributor in Europe. Gaz de France provides services to 14 mln consumers including 11 mln in France. Since the beginning... more

Black Hills Corporation is a diversified energy company. The Company operates principally in the United States with two business groups: Utilities Group and Non-regulated energy Group. The Company’s Utilities group conducts business in two segments, such as electric utility and... more

Union Gas Limited (Union Gas) is a Canada-based integrated natural gas storage, transmission and distribution company. The Company also provides unregulated storage services and regulated transportation services to other utilities and energy market participants in Ontario, Quebec and the... more

PNM Resources, Inc. (PNMR) is a holding company of energy and energy-related businesses. The Company’s primary subsidiaries are Public Service Company of New Mexico (PNM), Texas-New Mexico Power Company (TNMP), First Choice Power, L. P. (First Choice) and Altura Power L.P. (Altura). PNM... more

Dalkia is an energy services company based in France with two shareholders: Veolia Environnement (66%) and EDF (34%).

Alinta is one of Australia?s leading energy infrastructure companies. Alinta's corporate head office is in Perth, with its network management operations based in Melbourne. Under a centrally managed, locally distributed model, Alinta operates and manages over 20,000km of gas pipes and... more

TECO Energy, Inc. (TECO Energy) is a holding company for regulated utilities and other businesses. TECO Energy owns no operating assets but holds all of the common stock of Tampa Electric Company, and through its subsidiary TECO Diversified, Inc., owns TECO Coal Corporation and through... more