Southern Water Services provides water to about 1 million households in South East England. In addition, Southern Water provides wastewater services to about 2 million households. The company has 90 water treatment works, 150 water supply booster stations, and another 370 wastewater treatment works. It maintains a network of some 13,600 km of water mains. The utility also recycles sewerage sludge for use in agriculture. Its area of operation includes Kent, Sussex, Hampshire, and the Isle of Wight. Southern Water is owned by Greensands Investments Limited, which is owned by infrastructure investors and pension funds.

Graver Technologies makes filtration and separation products to eliminate impurities from water and air. The company's offerings include adsorbents, industrial air and gas filters, ion exchange resins, liquid filter cartridges, and stainless steel filter membranes. Its production locations are in Delaware, New Jersey, and New York. Graver Technologies' products are used primarily in manufacturing processes. The company's customers include operators of power plants and companies in the chemical, food and beverage, and pharmaceutical industries, along with makers of compressors, pumps, and turbines. Graver Technologies is a unit of the diversified Marmon Group of manufacturing companies.

Massive power resource, Massachusetts Municipal Wholesale Electric Company (MMWEC) provides power supply services to its members -- 23 of the state's 40 municipal utilities (28 utilities are also participants in MMWEC power supply projects). The power supplier has about 715 MW of generating capacity from interests in fossil-fueled and nuclear power plants in the northeastern US, and it negotiates bulk electricity purchases from other generators for its members. MMWEC is the operator and principal owner of the Stony Brook Energy Center, a 520 MW, combined-cycle intermediate and peaking generating station in Ludlow, Massachusetts.

Volunteer Energy Cooperative is voluntarily cooperating with its members to serve their energy needs. The distribution utility serves more than 108,000 customers (who also own the cooperative) in 17 central and eastern Tennessee counties. It operates more than 8,400 miles of power lines. Volunteer Energy purchases its power supply from the Tennessee Valley Authority. The company also sells propane and provides telecommunications (Internet access and long-distance phone) services. In addition, Volunteer Energy offers its customer surge protection and security equipment.

ThermoEnergy Corporation, a clean technologies company, develops municipal and industrial wastewater treatment systems, and carbon reducing clean energy technologies worldwide. The company's technologies include Zero Emission Boiler system, which converts fossil fuels and biomass into electricity without producing air emissions, as well as removes and captures carbon dioxide in liquid form for sequestration or beneficial reuse; and Controlled Atmosphere Separation Technology (CAST), R-CAST, and proprietary water technologies. Its technologies also comprise Ammonia Recovery Process technology that captures ammonia from dilute waste streams and converts it into ammonium sulfate; ThermoFuel Process, a renewable energy process, which converts digested or waste activated sewage sludge into an energy fuel that could be converted into electricity for use on-site or sold as a feedstock to third party industrial clients; and Enhanced Biogas Production process, which retrofits existing wastewater treatment plants to recover excess ammonia from the digesters. The company's wastewater treatment systems are used in the aerospace, food and beverage processing, metal finishing, pulp and paper, petrochemical, refining, microchip and circuit board manufacturing, heavy manufacturing, and municipal wastewater applications. Thermoenergy Corporation has a strategic alliance with Contego Systems LLC to provide solutions for airplane deicing. The company was founded in 1988 and is headquartered in Little Rock, Arkansas.

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.

Nebraska Public Power District (NPPD) electrifies the Cornhusker State. The government-owned electric utility provides power in 91 of the state's 93 counties. The firm has a generating capacity of more than 3,000 MW and operates more than 5,000 miles of transmission lines. NPPD distributes electricity to more than 88,000 retail customers in 80 cities and towns; it also provides power to about 1 million customers through wholesale power contracts with 52 towns and 25 public power districts. In addition, NPPD purchases electricity from the federally owned Western Area Power Administration and operates a surface water irrigation system.

The York Water Company engages in impounding, purifying, and distributing drinking water in Pennsylvania. It owns and operates two reservoirs, Lake Williams and Lake Redman, which together holds approximately 2.2 billion gallons of water. The company also has a 15-mile pipeline from the Susquehanna River to Lake Redman that provides access to an additional supply of 12.0 million gallons of water per day. As of December 31, 2009, it served approximately 180,000 residential, commercial, industrial, and other customers in 39 municipalities in York County and 7 municipalities in Adams County. The company was founded in 1816 and is based in York, Pennsylvania.

PJM Interconnection, which oversees a 56,350-mile section of the North American power transmission grid that spans across 13 northeastern and midwestern states and the District of Columbia. The regional transmission organization monitors and coordinates the movement of wholesale electricity in its service territory; its more than 560 members have a combined generating capacity of about 164,000 MW. Sanctioned by the Federal Energy Regulatory Commission, PJM is charged with ensuring fair competition among power purchasers, sellers, and traders; it also is responsible for the reliable delivery of distributed electricity to about 51 million consumers in its territory.

Techem knows when the heat is on. The company is a leading European utility services firm (with operations in 20 countries) that monitors energy and water consumption in 8 million end-user households, primarily apartments and multi-family dwellings in Germany. It also offers its 690,000 clients additional services such as heat and water meter sales and rentals, heating system maintenance, and bill collection. Techem Energy Contracting builds and operates facilities for energy supply, and the company's IT division offers property management software.

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