Ohio Pure Water distributes a wide range of water purification and treatment equipment to customers throughout the US. Its products include chlorination systems, water softeners, water filters, reverse-osmosis equipment, UV sterilizers, and drinking water systems. Other equipment includes flexible hose units, float switches and valves, PVC air injectors, and mineral tanks and parts. The company conducts most of its sales through its Web site. Ohio Pure Water was founded in 1996 by president C. K. Moore, a former maintenance superintendent for the State of Ohio.

Puget Energy is one of Washington State's largest utilities. Its electricity supply and transmission business, Puget Sound Energy, provides electricity to more than 1 million customers and natural gas to about 749,000 customers in western Washington. The utility owns fossil-fueled and hydroelectric plants as well as wind farms with a cumulative total of about 5,050 MW of capacity. In 2009, Puget Holdings LLC, a consortium led by Australian bank unit Macquarie Infrastructure Partners, acquired Puget Energy for $7.4 billion. The deal strengthens Puget Energy's access to cash to pay down debt and for future growth.

Severn Trent Services is intent on providing cleaner water for consumers around the globe. The company, a subsidiary of UK-based Severn Trent, provides water and wastewater purification services and products to utilities, bottling companies, and other clients, primarily in the US and the UK. Operations include water filtration and disinfection technologies, contract operations and maintenance, pipeline rehabilitation, and state-of-the-art residential metering products and services. Severn Trent Services' international management services unit supports all aspects of water and wastewater utility management.

Ergon (named after the Greek word for work) has it covered. Ergo, Ergon operates in six major business segments: asphalt and emulsions; information technology (embedded computing); oil and gas (exploration and production, retail and wholesale sales); real estate; refining and marketing; and transportation and terminaling. In addition to providing a range of petroleum products and services, the company manufactures and markets computer technology services and sells road maintenance systems, including emulsions and special coatings. Ergon also provides truck, rail, and marine transport services and sells residential and commercial real estate properties.

AES is one of the world's leading independent power producers. The company has interests in more than 120 generation facilities in about 30 countries throughout the Americas, Asia, Africa, Europe, and the Middle East that give it a combined net generating capacity of 40,300 MW. AES sells electricity to utilities and other energy marketers through wholesale contracts or on the spot market. AES also sells power directly to customers worldwide through its interests in distribution utilities, mainly in Latin America. In 2009 the company had 1,900 MW of power plants under development in four countries.

Energy and Power Solutions (EPS) would like to help. The start up company, which promises up to a 25% energy savings using its methods, makes most of its money building on-site clean energy power plants. It also sells electrical and thermal power and operates power plants on behalf of its customers. But EPS touts its xChange Point energy monitoring software as the growth engine of the future. The software tracks energy use at the device, plant, and enterprise level in real time; EPS analysts use the data to recommend energy saving changes. The company, which filed to go public in 2010, has four customers using its products at more than 60 locations.

The Laclede Group, Inc. operates as a public utility holding company. The company’s principal subsidiary, Laclede Gas Company, provides natural gas service to approximately 630,000 residential, commercial, and industrial customers in metropolitan St. Louis and surrounding counties in eastern Missouri. Its primary non-regulated subsidiary, Laclede Energy Resources, Inc., markets natural gas and related services to on-system utility transportation customers and customers outside of its utility’s traditional service area. The Laclede Group company was founded in 1857 and is based in St. Louis, Missouri.

Water is delivered by Mediterranea delle Acque (formed by the early 2006 merger of Italian water utilities Ferrari -- Acquedotto De Ferrari Galliera, Acquedotto Nicolay, Acqua Italia, and Genova Acque. Prior to the merger Acquedotto De Ferrari Galliera delivered about 45 million cubic meters (1.5 billion cubic feet) of water annually to about 350,000 customers. The company is also is involved in firefighting services, electricity sales, and water well-drilling. Rome-based utility AMGA owns 68% of the company.

Beacon Industrial Group's companies shed a shining light on a murky world of grime and pollution so that manufacturing clients can operate more efficiently in cleaner environments. Group companies manufacture air, gas, and liquid filtration systems; develop dust collection technology and equipment; and make air pollution control systems and wet scrubbers. Applications include power generation, textile manufacturing, chemicals, and waste handling. Operating subsidiaries include Pneumafil Group, LCI Corporation, Menardi, and MikroPul. The group operates in North America, Europe, and Australia.

Western Farmers Electric Cooperative did the generation and transmission cooperative produces more than 1,400 MW of capacity at its coal and natural gas fueled generating plants, with two in Anadarko, one in Mooreland and one in Hugo. The cooperative pipes the juice over 3,500 miles of transmission lines to two-thirds of rural Oklahoma. Western Farmers Electric Cooperative, which is owned by its member distribution cooperatives, supplies 19 distribution co-ops and Altus Air Force base, which serve a combined half-million members.

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