TransCanada Corporation operates as an energy infrastructure company in North America. The company operates in two segments, Pipelines and Energy. The Pipelines segment develops and operates energy infrastructure, including natural gas pipelines, regulated gas storage facilities, and projects related to oil pipelines. As of December 31, 2009, its pipelines network extended approximately 60,000 kilometers tapping into various gas supply basins in North America. The Energy segment engages in the acquisition, development, construction, ownership, and operation of electrical power generation plants; the purchase and marketing of electricity; the provision of electricity account services to energy and industrial customers; and the development, construction, ownership, and operation of non-regulated natural gas storage in Alberta. As of December 31, 2009, its power generation plants had 11,700 megawatts of power generation capacity. TransCanada Corporation was founded in 1951 and is headquartered in Calgary, Canada.

TestAmerica Laboratories (formerly Severn Trent Laboratories) can tell you. It operates about 40 environmental testing laboratories and more than 30 service centers in the US. TestAmerica provides chemical, physical, and biological testing of air, drinking water, tissue, and solid waste. The company has developed technologies to test air for fire retardants, explosives, radiation, and source emissions. Its affiliates include environmental and geotechnical drilling firm TestAmerica Drilling, water sampling equipment and remediation pumping system provider QED Environmental Systems, and air quality analyst EMLab P&K).

Veolia Environnement holds water -- as well as waste management, energy, and transportation -- operations. The company's Veolia Eau unit, which provides water and wastewater services to more than 80 million people in more than 60 countries, is the world's largest water company, ahead of SUEZ Environnement. Veolia Environmental Services, one of the world's leading waste management companies, serves more than 70 million people a year. Majority-owned energy unit Dalkia (Veolia Energy Services) operates global cogeneration facilities and heating and cooling systems, and Veolia Transport (formerly Connex) is a top European provider of bus, light-rail, and rail transport and operates in about 30 countries.

Making money by water, Biwater provides water and wastewater treatment services to a range of customers in more than 90 countries. The company also offers water infrastructure investment, consultancy and operation; water asset management; and project management for water leisure facilities. Its Biwater Leisure unit has installed several Olympic-sized pools for almost 40 years. Its international projects include the design and installation of a wastewater treatment plant in Dubai, and a water distribution system for 4.2 million customers in Malaysia. Biwater also designs and builds desalination plants. Focusing on international growth, in 2010 it sold its UK-based Biwater Services Limited unit to MWH Global.

Scottish and Southern can speak with a Scottish burr or a southern English clip. The integrated company is one of the UK's top energy firms, distributing power and gas to 9.2 million customers through subsidiaries Southern Electric, Scottish Hydro Electric, SWALEC, and Atlantic Electric and Gas. Scottish and Southern's regulated utility assets include 79,300 miles of power transmission and distribution lines that serve 3.5 million end-users. Scottish and Southern has 11,300 MW of generating capacity. It also distributes gas to 5.7 million customers. Other operations include gas exploration, energy trading, wind farms, electrical and environmental contracting, gas storage, and retail appliance sales.

United Water is a part of global water player SUEZ Environnement, and is one of the largest water companies in the US. The company distributes water and provides wastewater services to about 7 million people, including residential, commercial, and industrial customers. United Water provides services through a number of utility subsidiaries and through its contracts with several municipalities. The company operates almost 250 municipal water systems and owns utilities in 20 states across the country.

Questar Gas provides retail natural gas-distribution service to almost 900,000 customers in Utah, southwestern Wyoming and a small portion of southeastern Idaho. Questar Gas is regulated by the Public Service Commission of Utah and the Wyoming Public Service Commission. Historically, about half of the natural gas sold to Questar Gas retail customers comes from Questar-owned supplies that are typically more-stably priced than gas purchased from other suppliers. Questar Gas is also one of the most efficient natural gas utilities in the nation. As a result, rates paid by Questar Gas customers are traditionally among the lowest in the country. A Questar Gas predecessor began serving customers in 1929. In the decades since, there has never been a major natural gas service interruption.

Western Area Power Administration is one of four power marketing agencies of the US Department of Energy, the enterprise operates 57 hydroelectric power plants and one fossil-fueled power generation facility with a combined generating capacity of 10,395 MW. It also manages and maintains more than 17,000 miles of transmission lines. Western Area Power Administration sells wholesale power to investor-owned, government-owned, and cooperative utilities, power marketers, federal agencies, native American tribes and other electricity users in 15 western states over a 1.3-million-sq.-mi. service area.

Omaha Public Power District (OPPD), a subdivision of the Nebraska state government, OPPD generates and distributes electricity to residents and businesses in 13 counties in southeastern Nebraska. It operates and maintains its facilities without tax revenues and raises money for major construction through bonds. OPPD serves more than 340,000 customers in an area covering 5,000 sq. mi. The utility has a generating capacity of more than 3,220 MW, which is powered by nuclear, coal, oil, and natural gas sources. It sells wholesale power to other utilities and offers energy consulting and management services.

Public Utility District No. 1 of Cowlitz County, Washington (or Cowlitz County Public Utility District), a Depression era institution that provides electric utility services to 47,400 customers (including 42,400 residential customers and 5,200 commercial clients) in its service territory. The municipal utility also serves more than 3,800 Longview-Kelso area water utility customers. Like 27 other PUDs in Washington state, Cowlitz County Public Utility District has the authority to offer electric, water, wastewater, and wholesale telecommunication service.

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