Keeping a sharp eye out for the well-being of Iowa's citizens, Central Iowa Power Cooperative provides electricity transmission and generation services to 13 member distribution cooperatives (12 rural electric cooperatives and one municipal cooperative), which in turn serve about 320,000 residential and 7,000 industrial and commercial customers. Central Iowa Power's member distribution cooperatives deliver power to commercial businesses, farmsteads, industrial parks, manufacturers, urban residences, and other customers, in a service area that stretches 300 miles diagonally across the state from Shenandoah in the southwest to the Mississippi River in the east.

Geocon Group digs deep to make sure that its client have confidence in its geotechnical, environmental, geologic, material testing, and environmental contracting services. Projects range from geotechnical investigations to hazardous substance corrective action programs. The company operates throughout the western US and in Mexico. Geocon Group has worked on more than 10,000 projects for more than 2,500 clients. Its 11 offices are in California (Bakersfield, Sacramento, San Diego, San Bernadino, Murrieta, Livermore, and Los Angeles), as well as in Portland and Condon, Oregon, and Las Vegas and Carson City, Nevada.

EcoWater Systems is in a pristine spot. The company manufactures commercial and residential water treatment systems. It sells its products through a network of more than 1,400 dealers, wholesalers, and private-label retailers. Products include water refiners, conditioners, and purifiers, and innovations such as reverse osmosis drinking water systems. Founded in 1925, EcoWater Systems is a member of Berkshire Hathaway's Marmon Group and maintains its autonomous management. In addition to the US, the company operates in Canada, the UK, Europe, and China.

AGL Energy emerged from the Australian Gas Light Company (Australia's oldest energy company, founded in 1837). AGL Energy is the country's major electricity retailer. It is also a top gas retailer and distributor in Australia. AGL Energy retails gas to 1.4 million customers and electricity to 1.8 million customers. Its residential and small business customers are located in New South Wales, South Australia, and Victoria, while its commercial and industrial customers are primarily in Queensland. AGL Energy is also a leading renewable energy company.

E.ON AG, a power and gas company, engages in the power generation, energy trading, and gas supply businesses. The company generates electricity from coal, natural gas and oil, nuclear, water, wind, solar, and bio energy; and involves in the exploration and production of gas in the North Sea. It also engages in the storage and transportation of gas, including liquefying natural gas; carbon sourcing; and distribution of power and gas. In addition, the company buys and sells primarily electricity, natural gas, oil, coal, biomass, freight, and carbon allowances; and generates and distributes heat. It serves residential, business, industrial, regional and municipal utilities, and local public authorities. As of December 31, 2009, the company had approximately 73 giga watts of installed capacity for power generation; 33,000 kilometers (km) of power transmission networks; a 1 million km power distribution system, as well as approximately 11,600 km of gas transport pipelines, and a 100,000 km gas distribution system. It has operations primarily in Europe, Russia, and North America. The company was founded in 1929 and is headquartered in Dusseldorf, Germany.

MMC likes to be m-m-good at what it does. MMC Corporation Berhad concentrates on transport and logistics, energy and utilities, and engineering and construction. Many of its operating companies are the largest or only players in their markets. Its key components are Pelabuhan Tanjung Pelepas (shipping container port), Malakoff (power production), Johor Port (the leading multi-purpose port in Malaysia), and Gas Malaysia (sole non-industrial natural gas supplier in Malaysia). MMC is also involved in flood mitigation, traffic management, and power plant construction projects (through Zelan Construction).

Global Energy is generating power outside of the box. The alternative energy company creates clean energy solutions using gasification technologies. Gasification and IGCC (Integrated Gasification Combined Cycle) facilities convert carbon fuel sources (including coal, petroleum coke (petcoke), and renewables) into environmentally cleaner energy sources like synthetic gas (SG) and synthetic natural gas (SNG). Through subsidiary Wabash River Energy, Global Energy owns and operates the Wabash River Plant (Indiana), one of only two IGCC facilities in the US. It also owns the Westfield Plant (Fife, Scotland) and is constructing a 540-MW IGCC facility in Lima, Ohio, expected to be operational by 2010.

National Power Corporation (Napocor) provides power for the nation of the Philippines. The state-owned utility builds and operates nuclear, hydroelectric, thermal, and alternative power-generating facilities and works with independent producers under a build-operate-transfer program. Its transmission network has a line length of nearly 13,000 circuit miles. With energy sales of more than 39,350 GWh per year, Napocor distributes electricity to power distributors and industrial companies. To comply with a sweeping privatization bill, the company has begun selling off its generation assets. It has also separated its transmission segment into an operating subsidiary.

UniSource Energy has more than one source of income, but it gets most of its revenues from its energy utilities. The company's Tucson Electric Power unit generates and distributes electricity to almost 402,000 customers in southeastern Arizona. The unit has about 2,230 MW of generating capacity. Subsidiary UniSource Energy Services provides electricity (through UNS Electric Services) to 90,000 customers and natural gas (through UNS Gas) to 146,000 customers in 30 communities in northern and southern areas of the state. UniSource's Millennium Energy Holdings unit invests in unregulated energy and emerging technology companies.

DTE Energy Company, together with its subsidiaries, operates as an electric and natural gas utility company in Michigan. It also involves in non-utility operations. The company’s Energy Utility segment engages in the generation, purchase, distribution, and sale of electricity in southeastern Michigan. It generates electricity from various fuels, including coal, as well as from nuclear and hydro facilitates. As of December 31, 2009, this segment owned and operated approximately 677 distribution substations and approximately 423,600 line transformers; and supplied electricity to 2.1 million residential, commercial, and industrial customers in southeastern Michigan. The company’s Gas Utility segment engages in the purchase, storage, transmission, distribution, and sale of natural gas in Michigan. As of December 31, 2009, this segment’s distribution system included approximately 19,000 miles of distribution mains, 1,177,000 service lines, and 1,312,000 active meters. It also owned approximately 2,100 miles of transmission lines that deliver natural gas; and supplied natural gas to approximately 1.2 million residential, commercial, and industrial customers throughout Michigan, as well as to approximately 17,000 customers in Adrian, Michigan. The company’s non-utility operations include natural gas pipelines and storage; unconventional gas exploration, development, and production; power and industrial projects, and coal transportation and marketing; and energy marketing and trading operations. Its customers include electric utilities, merchant power producers, integrated steel mills, and industrial companies. DTE Energy Company was founded in 1995 and is based in Detroit, Michigan.

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