Ferrostaal Incorporated is betting on the sun. The company is a subsidiary of the German industrial and heavy construction conglomerate Ferrostaal AG and provides its parent's alternative energy business in North America. It operates, with Solar Millennium, a joint venture called Solar Trust of America (STA) that concentrates on solar power generation. The International Petroleum Investment Company of Abu Dhabi bought a majority stake in Ferrostaal from MAN SE in 2009 and dropped the former parent company's brand from what had been called MAN Ferrostaal.

FERSA Energias Renovables has found being green isn't too difficult. The Spanish holding company invests in and operates companies that produce electricity utilizing such renewable energy resources as wind power, solar energy, and biomass. The company's holdings span the European continent with investments in wind farms in Spain, Estonia, and Italy as well as holdings in Panama, India, and China. Holdings include Eolica el Pedregoso, Elolica de Pino, Parque Eolico Hinojal, Enrilews, and OU Est Wind Power. The company also has holdings in solar power and biomass operations in Spain through Invetem Mediterranea and Gestora Fotovoltaica de Castellon.

First Wind, wind is the first and last item in its business model. The vertically integrated energy company (formerly UPC Wind) develops, owns, and operates wind energy plants in the Northeastern and Western US, and Hawaii. Its six projects in Hawaii, Maine, Vermont, New York, and Utah generate more than 500 MW of electricity. First Wind, which targets states with high energy prices, renewable energy requirements, and favorable wind conditions, plans to have more than 2,000 MW of capacity by the end 2014. The company was formed in 2002 by individuals experienced with building wind power plants in Italy. In 2010 First Wind began construction of its 102 MW Utah-based Milford Wind project.

GDF SUEZ Energy North America (GDF-SENA) manages GDF Suez Energy International's energy business in Canada, Mexico, and the US. The company develops and operates electricity and cogeneration facilities, markets and sells energy products and services, and imports and distributes natural gas and liquefied natural gas (LNG). It serves both commercial and industrial customers. (GDF-SENA)'s primary unit (GDF SUEZ Energy Generation NA) owns and operates 60 power, cogeneration, steam, and chilled-water facilities, including those in construction, representing a capacity of 7,500 MW of electricity generation, 6 million pounds per hour of steam, and 42,000 tons per hour of chilled water.

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.

GeoSyntec Consultants provides services such as environmental management, geotechnical engineering, groundwater assessment and remediation, pollution prevention, and surface water management. The company operates from more than 30 offices, primarily in the US but also in Canada, Malaysia, and the UK. Its clients include Aerojet-General, AstraZeneca, Chevron, Delta Air Lines, FMC Corp., Georgia Power, Kimberly-Clark, Lockheed Martin, Pharmacia & Upjohn, and Shell Oil. Expanding its services in the water and natural resources segment, in 2010 Geosyntec acquired Rainwater Recovery, which focuses on rainwater harvesting technology.

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.

Global Environmental Energy Corporation wants to improve China and other countries by turning their unwanted waste into energy. It also searches for oil and gas and has interests in clean coal technology. The company's alternative power generation technology uses waste from industrial, municipal, and agricultural facilities to produce electricity for its clients. Subsidiary Biosphere Development Corp has sold nine Biosphere Process Systems in China and one in Lebanon. Subsidiary Sahara Petroleum Exploration explores for oil in North Africa but has been inactive since 2007.

Global Water Resources (GWRI) took the phrase "Think globally, act locally" to heart. The company provides water, wastewater, and recycled water utility services to 14 utilities and more than 60,000 people in its service area around Phoenix. Its recycled water is treated and purified wastewater used for non-potable and outdoor purposes, sent through a separate system of pipes than drinking water. GWRI says its reclaimed water project saves up to 40% of drought-prone Arizona's scarce groundwater. The utility also extends water and wastewater infrastructure financing to regional developers and builders. The company was formed in 2003. Once privately held, GWRI went public in an IPO in late 2010.

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.

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