Catalytic Combustion Corporation clears the air -- literally and alliteratively. The company makes systems, processes, and products to help customers eliminate volatile organic compounds (VOCs) and other pollutants in order to meet air-quality standards. Catalytic Combustion's catalysts -- substances that accelerate the rate of chemical reactions -- are used in a host of industries and products, ranging from appliances to graphic arts to nuclear power plants. The company makes catalysts from materials such as ceramics, metal foil, and wire mesh. Catalytic Combustion was founded in 1950.

Kelda is a Norse word meaning source of water, and Yorkshire consumers count on the UK's Kelda Group as the source for water and wastewater services. The group's primary subsidiary, Yorkshire Water Services, serves some 1.7 million residential customers, representing more than 4.8 million people, and approximately 130,000 business customers. Its Loop subsidiary provides customer relationship management services for Yorkshire Water and other utilities. In addition, Kelda is engaged in real estate development through its KeyLand unit which develops or disposies of brownfield sites. In 2008 Kelda was acquired by a consortium of investment companies made up of Citigroup, GIC, Infracapital and HSBC.

Nicor Inc., through its subsidiaries, engages in natural gas distribution business in the United States. Nicor Inc. distributes natural gas to approximately 2.2 million residential, commercial, and industrial customers in northern Illinois. It also provides natural gas storage and transmission-related services to marketers and other gas distribution companies. The company’s gas distribution, transmission, and storage network includes approximately 34,000 miles of steel, plastic, and cast iron main; approximately 2.0 million steel, plastic/aluminum composite, plastic, and copper services connecting the mains to customers’ premises; and 8 underground storage fields. In addition, Nicor offers shipping services, including the transportation of containerized freight between Florida, the eastern coast of Canada, the Bahamas, and the Caribbean region. It transports building materials, and food and other necessities for developers, manufacturers, and residents in the Caribbean and the Bahamas; tourist-related shipments intended for use in hotels and resorts, and on cruise ships; and interisland shipments and northbound shipments of apparel and agricultural products, as well as provides inland transportation and cargo insurance services. As of December 31, 2009, the company operated a fleet of 11 owned vessels and 4 chartered vessels with a container capacity totaling approximately 5,270 Twenty-foot equivalent units. Further, it owns and/or leases containers, container-handling equipment, chassis, and other equipment. Additionally, Nicor involves in the marketing of energy-related products and services, including warranty and maintenance contracts, as well as repair and installation services of heating, air conditioning and indoor air-quality equipment, and customer move connection services for other utilities; and wholesale marketing of natural gas supply services. Nicor Inc. was founded in 1953 and is based in Naperville, Illinois.

Municipal Electric Authority of Georgia (MEAG Power) supplies wholesale electric power. The authority has a generating capacity of 2,069 MW through its interests in nuclear and fossil-fueled plants. Some 43% of the energy MEAG Power delivers comes from its nuclear plants. MEAG Power transmits electricity to 49 municipal and one county distribution systems across Georgia that in turn serve some 600,000 consumers. MEAG Power utilizes a transmission network that is co-owned by all the power suppliers in Georgia, though it plans to join a regional transmission organization (RTO).

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.

Atmos Energy Corporation, together with its subsidiaries, engages primarily in the distribution, transmission, and storage of natural gas in the United States. The company operates in four segments: Natural Gas Distribution; Regulated Transmission and Storage; Natural Gas Marketing; and Pipeline, Storage, and Other. The Natural Gas Distribution segment involves in regulated natural gas distribution business and related sales operations. It distributes natural gas through regulated sales and transportation arrangements to approximately 3 million residential, commercial, public authority, and industrial customers in 12 states located primarily in the southern United States. As of September 30, 2009, this segment owned approximately 70,879 miles of underground distribution and transmission mains. The Regulated Transmission and Storage segment transports natural gas for third parties and manages five underground storage reservoirs in Texas. It owned 5,950 miles of gas transmission and gathering lines. The Natural Gas Marketing segment provides various natural gas management and marketing services to municipalities, other local gas distribution companies, and industrial customers. The Pipeline, Storage, and Other segment offers natural gas gathering, transmission, and storage services. It owned 113 miles of gas transmission and gathering lines. Atmos Energy Corporation was founded in 1906 and is headquartered in Dallas, Texas.

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.

Aqua-Pure Ventures has developed a patented wastewater distillation process used in wastewater recycling. Primarily used for industrial applications, Aqua-Pure's Clear Solutions system provides evaporation technology that can easily mix with other wastewater-treatment methods. Among its many uses, Clear Solutions may be applied for treating medical wastewater and for seawater desalination. In North America Aqua-Pure distributes the Salsnes Filter, used by municipalities and industrial companies for treating wastewater. This technology, developed by the Salsnes company in Norway, can be installed in new plants or mixed with technology already in use.

China Hydroelectric Corporation, through its subsidiaries, engages in the acquisition, ownership, development, and operation of hydroelectric power projects in the People's Republic of China. The company sells electricity to the power grids. It owns 12 operating hydroelectric power projects, as well as has a controlling interest in 1 operating hydroelectric power project in the provinces of Zhejiang, Fujian, Yunnan, and Sichuan. As of December 31, 2009, the company has an installed capacity of 376.6 MW. China Hydroelectric Corporation was founded in 2006 and is headquartered in Beijing, the People's Republic of China.

Consolidated Water Co. Ltd. and its subsidiaries develop and operate seawater desalination plants and water distribution systems, as well as produce and supply water to customers in the Cayman Islands, the Bahamas, Belize, the British Virgin Islands, and Bermuda. It uses reverse osmosis technology to convert seawater to potable water. The company supplies water to end-users, including residential, commercial, and government customers. As of December 31, 2009, Consolidated Water Co. operated 16 reverse osmosis desalination plants through its subsidiaries and affiliates. It also offers engineering and management services, including designing and constructing desalination plants, and managing and operating desalination plants owned by other companies. The company was founded in 1973 and is based in Grand Cayman, Cayman Islands.

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