Based in Kansas City, Mo., Aquila operates electricity and natural gas distribution utilities serving 1.3 million customers in seven U.S. states. The company also owns and operates power generation assets.

National Grid is an international energy delivery company. In the U.S., National Grid delivers electricity to approximately 3.3 million customers in Massachusetts, New Hampshire, New York and Rhode Island, and manages the electricity network on Long Island under an agreement with the Long... more

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

Plug Power Inc. together with its subsidiaries, is a development-stage enterprise involved in the design, development and manufacture of fuel cell systems for stationary and motive markets worldwide. The Company is developing a range of fuel cell products and services, including hydrogen... 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

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

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

United Utilities, an operator of electricity distribution, water and wastewater networks in Northern England and a UK leader in environmental sustainability are providing some of the materials for the construction of the Boreal Forest Garden at the Chelsea Flower Show.

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

Suburban Propane Partners, L.P. is a marketer and distributor of an array of products, which meet the energy needs of its customers. The Company specializes in the distribution of propane, fuel oil and refined fuels, as well as the marketing of natural gas and electricity in deregulated... more

Transco is responsible for ensuring that gas is delivered to over 20 million consumers around the country safely and efficiently. In 1986, British Gas was privatised. Seven years later, after a Monopolies and Mergers Commission report the company was re-structured into five business... more

About Conergy: Conergy is one of the world's largest renewable energy companies and offers a broad range of products for both on-grid and off-grid applications including solar electric, solar thermal, solar driven water pumps, and small wind power systems.

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

MidAmerican Energy Holdings Company is a global leader in the production of energy from diversified fuel sources including geothermal, natural gas, hydroelectric, nuclear, coal and wind. MidAmerican also leads in the supply and distribution of energy in the U.S. and U.K. consumer markets,... more

Electrabel is a leading European energy company and number one on the Benelux market. It is part of SUEZ, an international industrial and services group, which designs sustainable and innovative solutions in the management of public utilities as a partner of public authorities, businesses... more

Vattenfall AB is wholly owned by the Swedish state and is the fifth largest energy company in Europe. Vattenfall generates electricity and heat and delivers energy to about 6 million customers in Northern Europe, including approximately 1.3 million in the Nordic region. Operations are... more

Energy Transfer Partners, L.P. (NYSE:ETP) is a publicly traded partnership owning and operating a diversified portfolio of energy assets. ETP's natural gas operations include intrastate natural gas gathering and transportation pipelines, natural gas treating and processing assets located... more

National Grid Transco is dedicated to being the world's premier network utility, primarily focused on delivering energy safely, reliably and efficiently. We own and operate the high-voltage electricity system in England and Wales and the high pressure gas transmission system in... more

Enbridge Energy Partners, L.P. (Partnership) owns and operates crude oil and liquid petroleum transportation and storage assets, and natural gas gathering, treating, processing, transportation and marketing assets in the United States. As of December 31, 2007, its portfolio included... more

KeySpan has interests in gas exploration, production and transportation in the United States and internationally, including Premier Transco and Phoenix Natural Gas in Northern Ireland. Through its principal subsidiary, Brooklyn Union, it supplies over 1.5 million customers in New York.

CEZ, as is a joint stock company engaged in the production of electricity in the Czech Republic. The main activity of CEZ is the sale of electricity, generated in its own facilities, and the related provision of power system ancillary services. The core business also includes the... more

About Powerco: Powerco is New Zealand's largest gas and electricity distributor in terms of network length, the largest gas distributor and second largest electricity distributor in terms of total consumer connections. Powerco has approximately 295,000 electricity consumer connections and... more

Ergon Energy owns and manages the electricity distribution network in Queensland's regional areas. We service an area over 1 million square kilometres, with over 3,000 employees, assets worth over $3.4 billion, and powerlines stretching 140,000km. Within regional Queensland, we supply... more

SaskEnergy delivers the benefits of safe, convenient and environmentally friendly natural gas to more than 336,000 residential, farm, commercial and industrial customers throughout Saskatchewan. We purchase natural gas from independent suppliers and transport it through our... more

ETSA Utilities owns 73,111 kilometres of distribution lines and provides supply to 750,000 customers over 178,200 square kilometres in South Australia. It has more than 50 years experience in the electricity industry and employs more than 1,200 people. ETSA Utilities is headquartered in... more

EnergyAustralia is one of the largest energy suppliers in Australia with 100 years experience. We are a leader in providing broad-based energy solutions ranging from electricity and gas supply, to energy management and renewable energy alternatives. We operate an electricity network of... more

Phoenix Natural Gas Limited is developing a natural gas market and distribution system in the Greater Belfast area pursuant to a licence awarded to it in September 1996. Phoenix has so far laid 2,340 kilometres of the distribution system. Supplies to industrial and commercial customers... more

Hydro One Networks is the largest operating subsidiary of Hydro One Inc., which is wholly owned by the Province of Ontario. Safety, customer service, reliability, great employees, and shareholder value are our top priorities. At Hydro One Networks, we're responsible for reading your... more

Integral Energy is furthering its community support by becoming the principal sponsor of the Powerhouse Museum's major offsite storage facility - The Powerhouse Discovery Centre: Collection Stores at Castle Hill. Destined to become a popular visitor attraction, the Powerhouse Discovery... more

Envestra Limited is an Australia-based company engaged in the provision of natural gas haulage services to retailers through the transmission pipelines and distribution networks it owns and manages. The Company is also engaged in the development of the business through expansion of the... more

Heritage Propane is a master limited partnership and is publicly traded on the New York Stock Exchange under the ticker symbol "ETP."

Energy Transfer Equity, L.P. (ETE) operates through its subsidiaries, Energy Transfer Partners, L.P. (ETP), Energy Transfer Partners G.P., L.P (ETP GP), the General Partner of ETP, and ETP GP’s General Partner, Energy Transfer Partners, L.L.C. (ETP LLC). The Company's business operations... more

Western Power Distribution Holdings Limited (WPD) is the electricity distribution company for South West England and South and West Wales. WPD delivers electricity to 2.5 million customers over a 26,000 square kilometer service area. The distribution activity is undertaken through two... more

CitiPower supplies electricity to approximately 295,000 distribution customers in Melbourne's CBD and inner suburbs. The company's primary role is the management of its 'poles and wires' network, and proudly operates the most reliable electricity network in Australia. Powercor... more

Fluxys, originally Distrigas was founded in 1929. At the end of 2001 integrated Distrigas was unbundled and Fluxys emerged as a transport company. Fluxys operates as an independent natural gas transport company. As a leader in the transport sector in the heart of Europe, Fluxys plays a... more

Transend Networks Pty Ltd owns and operates the electricity transmission system in Tasmania. We transmit electricity from power stations to substations around the State. We own 3650 circuit kilometres of transmission lines, 47 substations and nine switching stations. Transend is... more

InfraSource is a leading provider of infrastructure services for electric power, gas, and telecommunications intensive industries in the United States. InfraSource designs, builds, and maintains transmission and distribution networks for utilities, power producers, and industrial... more

NIE manages 55,000 km (35,000 miles) of overhead lines and cable, 31,000 km (19,000 miles) of which is overhead line, mainly in rural areas.

InfraSource is a leading provider of infrastructure services for electric power, gas, and telecommunications intensive industries in the United States. InfraSource designs, builds, and maintains transmission and distribution networks for utilities, power producers, and industrial... more

Imperium Renewables, Inc. was founded as Seattle Biodiesel, LLC in 2004 by John Plaza to commercialize his new design for Biodiesel refining. Saybr Contractors, the leading petroleum facility contractor in the Northwest, entered into a joint venture to construct the first commercial... more

Sui Southern Gas Company (SSGC) is Pakistan's leading integrated gas Company. The company is engaged in the business of transmission and distribution of natural gas besides construction of high pressure transmission and low pressure distribution systems. SSGCL transmission system... more

Scotia Gas Networks (SGN) is the holding company of Scotland Gas Networks, Southern Gas Networks, SGN Connections, SGN Contracting and SGN Metering. Formed on 1 June 2005, following the sale of four of the eight gas distribution networks, we are now the UK's second largest gas... more

Northern Electric is one of the country's largest electricity distribution companies, serving approximately 3.6 million customers in the North East, Yorkshire and Humberside.

Northpower maintains a healthy investment in business growth, technical development, staff safety and training as well as community sponsorship. Northpower provides a safe working environment for its employees and invests considerably into safety and training each year. The company's... more