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.

NSTAR is looking to outshine its rivals through the efficiency of its regulated electric and natural gas sales, distribution, and transmission operations. The utility holding company transmits and distributes electricity to almost 1.2 million homes and businesses through NSTAR Electric and serves some 300,000 natural gas customers in Massachusetts through NSTAR Gas. The company also markets wholesale electricity, and operates liquefied natural gas (LNG) processing and storage facilities. Its NSTAR Communications unit owns about 240 miles of fiber optic network. In 2010 the company agreed to be acquired by Northeast Utilities for about $4.2 billion.

United Utilities Group PLC, through its subsidiaries, engages in the ownership, operation, and maintenance of water and wastewater networks in the United Kingdom and internationally. It supplies water covering a population of approximately 7 million people, and 2.9 million households and business premises; and involves in the collection and treatment of wastewater through a network of 43,419 kilometers of sewers. The company also operates electricity distribution network, and high voltage networks for businesses; and gas distribution network, as well as pipes and the equipment used to pump, condition, and store gas. In addition, United Utilities Group PLC provides consulting services and project management services; property management services; multi-utility metering operations and metering installation services; technical and management services; and asset management services. The company was formerly known as United Utilities Newco Limited and changed its name to United Utilities Group PLC in April 2008. United Utilities Group PLC was founded in 1989 and is headquartered in Warrington, the United Kingdom.

Toronto Hydro provides electric and related services for the metropolitan area and other parts of Ontario. The company's primary subsidiary, Toronto Hydro-Electric System Limited (LDC), provides regulated power transmission and distribution services to 688,000 residential, commercial, and industrial customers. Subsidiary Toronto Hydro Energy Services markets power and provides energy efficiency products and services throughout Ontario. It also provides street lighting services (160,000 street lights) in the City of Toronto.

Southern Company isn't just whistling Dixie. The holding company is one of the largest electricity distributors in the US. It operates regulated utilities Alabama Power, Georgia Power, Gulf Power, and Mississippi Power, which combined have a generating capacity of more than 42,900 MW and serve more than 4.4 million electricity customers in the southeastern US. The good ol' power company also has energy marketing operations, and it provides energy consulting and management services for businesses and institutions. Through its Southern LINC Wireless unit, it provides wireless communications services in its US utility territory; its Southern Telecom unit offers wholesale fiber-optic services.

Southern California Edison (SCE) distributes electricity to a population of more than 13 million people in central, coastal, and Southern California (excluding Los Angeles and some other cities in the regions). The utility's system consists of about 12,000 circuit miles of transmission lines and more than 113,500 circuit miles of distribution lines. SCE also has 5,500 MW of net generating capacity from interests in nuclear, hydroelectric, and fossil-fueled power plants; it sold most of its fossil-fueled facilities in response to the state's deregulation legislation. The utility sells excess power to wholesale customers. SCE is a subsidiary of Edison International.

Clearford Industries provides water and wastewater management and sewage treatment services throughout North America. For rural areas the company's patented Small Bore Sewer technology obviates the need for a septic tank by using pipes with a narrow diameter -- as opposed to larger ones used in urban systems -- to transport waste from a residence to a wastewater treatment plant. In 2008 the company sold its Brooklin Concrete division, a leading producer of septic tanks in Ontario, to Armtec Limited Partnership.

Portland General Electric (PGE) keeps many Birkenstock-shod feet warm: The company, formerly a subsidiary of Enron, generates, purchases, and distributes electricity to about 815,750 customers in Oregon. PGE's service territory covers 52 cities, including Portland and Salem. Its hydroelectric, coal-fired, and gas-fired plants had a generating capacity of more than 2,600 MW in 2009, and it purchased another 1,920 MW of generating capacity. PGE also markets wholesale electricity and natural gas to other utilities and marketers in the western US. In keeping with the "green" image of Portland residents, PGE leads the nation in residential customers who purchase power from renewable sources.

Veolia Environmental Services, a part of Veolia Environnment (France), is a leader in waste management in the UK. Through its various companies, Veolia Environmental Services provides waste collection, recycling, disposal, and environmental cleansing services to the public and private sectors. It operates a network of landfill sites, material recycling facilities, transfer stations, civic amenity sites, and Energy from Waste incineration plants. The company serves more than 16 million customers in more than 100 Local Authorities and has been active in the UK since 1990.

Detroit Edison generates and distributes electricity to 2.1 million customers in Michigan. The utility, a unit of regional power player DTE Energy, has more than 11,080 MW of generating capacity from its interests in nfossil-fueled, nuclear, and hydroelectric power plants. It operates more than 44,000 circuit miles of distribution lines and owns and operates about 680 distribution substations. Detroit Edison also sells excess power to wholesale customers and provides coal transportation services.

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