Alternative Energy List

The Alternative Energy boom is basically just getting started.

Solar is the most widely known form of alternative energy, and it will continue to grow, however, there are many other choices when investing in this sector.

Determining which company to invest your money in, can be difficult. As most of these fledgling entities are small to mid sized at best. Their lack of financial history makes it even more frustrating.

This is a list of possible investment candidates.

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1. Company: Aventine Renewable Energy Holdings, Inc (AVR)

Aventine Renewable Energy Holdings, Inc. engages in the production and marketing of fuel-grade ethanol in the United States. It also produces various co-products, such as distillers grain, corn gluten feed, corn germ, and brewers' yeast. In addition, the company produces bio-products, Kosher and Chametz free brewers' yeast, which is used in animal and human food and fermentation applications. Aventine Renewable Energy Holdings is headquartered in Pekin, Illinois.

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2. Company: Bluefire Ethanol Fuels, Inc. (BFRE.OB)

Bluefire Ethanol Fuels, Inc., a development stage company, focuses on the development, ownership, and operation of carbohydrate-based transportation fuel plants to provide an alternative to fossil fuels. The company's bio refineries would convert organic materials, such as agricultural residues, biomass crops, wood residues, and cellulose in municipal solid wastes into ethanol. It also intends to provide professional services to such facilities. The company was founded in 2006 and is based in Irvine, California

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3. Company: Environmental Power Corp. (EPG)

Environmental Power Corporation, through its subsidiaries, engages in the development, ownership, and operation of renewable energy production facilities in the United States. The company constructs, owns, and operates facilities that utilize animal and food industry wastes to produce biogas and pipeline-grade methane. The biogas is used to produce pipeline-grade methane or marketable biogas, liquefied natural gas, renewable electrical energy or thermal energy, as well as other by-products. Environmental Power Corporation also owns a leasehold interest in an approximately 83 megawatt waste coal electrical generation facility located in Venango County, Pennsylvania. The company was founded in 1982 and is headquartered in Portsmouth, New Hampshire.

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development stage company, intends to produce ethanol by the fermentation of sugars found in grains and other biomass. It also intends to produce distillers grains, an animal feed supplement obtained as a by-product of the ethanol production process. The company is constructing two ethanol plants, one in southwestern Iowa in Fremont County near Shenandoah, and another in northwestern Iowa near the town of Superior. GPRE was founded in 2004 and is headquartered in Omaha, Nebraska.

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5. Company: Metabolix, Inc. (MBLX)

Metabolix, Inc., a biotechnology company, develops alternatives to petrochemical-based plastics, fuels, and chemicals. It applies metabolic engineering and molecular biology tools to produce Natural Plastic in microbial systems and directly in nonfood plant crops. The company develops a microbial fermentation system to produce a family of naturally occurring polymers known as Natural Plastic. It also offers a biomass biorefinery system, which uses switchgrass to co-produce Natural Plastic and biomass feedstock for the production of power or liquid fuels, such as ethanol or other biofuels. The company offers Natural Plastic under the brand name Mirel. Its products are used in applications, such as single use disposables, packaging, agriculture and erosion control, and consumer products. The company has strategic alliance with ADM Polymer Corporation. Metabolix, Inc. was founded in 1992 and is headquartered in Cambridge, Massachusetts.

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6. Company: Nova Biosource Fuels, Inc. (NBF)

Nova Biosource Fuels, Inc., an energy company, engages in refining and marketing renewable diesel fuel products and related co-products. Biodiesel, a direct substitute for petroleum diesel, is produced from renewable vegetable oils and animal derived fats, oils, and greases. The company owns a continuous flow biodiesel small scale refinery in Butte, Montana that has a production capacity of 80,000 gallons of biodiesel per year. In addition, Nova Biosource Fuels is in the process of building three biodiesel refineries for its own use. Further, it is designing and building two other full scale production facilities for third parties. The company was founded in 2005 and is based in Houston, Texas.

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7. Company: Pacific Ethanol, Inc. (PEIX)

Pacific Ethanol, Inc. produces and markets renewable fuels in the western United States. It produces and sells ethanol, and provides transportation, storage, and delivery services through third-party service providers in the western United States, primarily in California, Nevada, Arizona, Washington, Oregon, and Colorado. The company's co-products include wet distillers grain (WDG). It sells ethanol to gasoline refining and distribution companies, and WDG to dairy operators and animal feed distributors. Pacific Ethanol was founded in 2003 and is headquartered in Sacramento, California.

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8. Company: Verasun Energy, Corp. (VSE)

VeraSun Energy Corporation engages in the production and sale of ethanol and its co-products in the United States. Ethanol is primarily used as a blend component in the gasoline fuel market. The company's ethanol co-products include wet and dry distillers grains with solubles, which are used as animal feed; and Corn oil, which is used as an animal feed, as well as to produce biodiesel, a clean burning alternative fuel. In addition, it offers ethanol-blended VE85 fuel to gas distributors and retailers. VeraSun Energy was founded in 2001 and is headquartered in Brookings, South Dakota.

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9. Company: GS CleanTech Corporation (GSCL.OB)

GS CleanTech Corporation, through its subsidiaries, provides applied engineering and technology transfer services based on clean technologies and processes in the United States. The company primarily offers industrial and hazardous waste management and environmental services, including transportation and distribution of industrial and hazardous wastes; site remediation and industrial cleaning projects; engineering and consulting services; and environmental, health, and safety compliance services. It also delivers technologies and process innovations that include corn oil extraction systems on-site at ethanol facilities to extract corn oil from an ethanol co-product for sale as a feedstock for conversion into biodiesel fuel. The company was founded in 1984 and is headquartered in New York, New York. GS CleanTech Corporation is a subsidiary of GreenShift Corporation.

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10. Company: PowerShares WilderHill Clean Energy (PBW)

The investment seeks results that correspond generally to the price and yield (before the Fund's fees and expenses) of an equity index called the WilderHill Clean Energy index. The fund normally invests at least 80% of total assets in common stocks of companies engaged in the business of the advancement of cleaner energy and conservation. It may invest at least 90% of total assets in common stocks that comprise the Clean Energy Index. It is nondiversified.

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11. Company: Capstone Turbine Corp. (CPST)

Capstone Turbine Corporation engages in the development, manufacture, marketing, and service of microturbine technology solutions. Its solutions are primarily used in stationary distributed power generation applications, including cogeneration, resource recovery, and secure power. The company's solutions are also be used as generators for hybrid electric vehicle applications. It sells microturbine units, subassemblies, components, and various accessories. The company also offers various accessories, including rotary gas compressors with digital controls; heat recovery modules for CHP applications; dual mode controllers that allow automatic transition between grid connect and stand-alone modes; batteries with digital controls for stand-alone or dual-mode operations; power servers for multipacked installations; protocol converters for Internet access; packaging options; and miscellaneous parts, such as frames, exhaust ducting, and installation hardware. Capstone Turbine sells its products through distributors and dealers primarily to distributors, authorized service companies, original equipment manufacturers, and end users in North America, Asia, Europe, and Russia. The company was founded in 1988 and is headquartered in Chatsworth, California.

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12. Company: Orion Energy Systems, Inc (OESX)

Orion Energy Systems, Inc. designs, manufactures, and implements energy management systems, which consists primarily of energy efficient lighting systems, controls, and related services. The company offers Compact Modular, a HIF lighting system, which operates at lower temperatures than high intensity discharge fixtures and other legacy lighting fixtures in commercial and industrial facilities. Its Compact Modular product line also includes modular power pack, which enables to customize the customers' lighting systems to achieve their specified lighting and energy savings goals. The company's products also include intelite motion control and ambient light sensors, which turn individual fixtures on and off based on user-defined parameters regarding motion and/or light levels in a given area; Apollo Light Pipe, a lens-based device that collects and focuses daylight; and wireless control devices, which allows to remotely communicate with and give commands to individual light fixtures through Web-based software. In addition, it offers various other HIF fixtures to address the lighting and energy management needs, including fixtures for agribusinesses and private label resale. Further, the company provides energy management services, including comprehensive site assessment, site field verification, utility incentive and government subsidy management, engineering design, project management, installation services, and recycling in connection with its retrofit installations. It primarily sells its products directly to commercial and industrial customers; and indirectly through their electrical contractors or distributors. Orion Energy Systems, Inc. was founded in 1996 and is headquartered in Manitowoc, Wisconsin.

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13. Company: FuelCell Energy Inc. (FCEL)

FuelCell Energy, Inc. engages in the development and manufacture of fuel cell power plants for electric power generation. Its core carbonate fuel cell products include Direct FuelCell or DFC Power Plants for stationary power generation applications. The company also develops carbonate fuel cell, hybrid products, and planar solid oxide fuel cell technology. Its proprietary carbonate DFC power plants electrochemically produce electricity directly from readily available hydrocarbon fuels, such as natural gas and biogas fuels. The company serves manufacturers; mission critical institutions, including correction facilities and government; and hotels and customers, such as breweries, food processors, and wastewater treatment facilities who use renewable gas for fuel. FuelCell Energy, Inc. has operations in the United States, Canada, Germany, Japan, and South Korea. The company was founded in 1969 and is headquartered in Danbury, Connecticut.

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14. Company: Ormat Technologies Inc. (ORA)

Ormat Technologies, Inc. and its subsidiaries engage in the geothermal and recovered energy power business. The company operates in two segments, Electricity and Products. The Electricity segment develops, builds, owns, and operates geothermal and recovered energy-based power plants, and sells electricity in the United States, Guatemala, Kenya, Nicaragua, and the Philippines. The Products segment designs, manufactures, and sells power units for geothermal power plants; power units for recovered energy-based power generation; and remote power units and other generators, including fossil fuel powered turbo-generators and heavy duty direct current generators. These products are offered to geothermal plant owners and operators; interstate natural gas pipeline owners and operators; gas processing plant owners and operators; cement plant owners and operators; contractors installing gas pipelines; and various companies engaged in other energy-intensive industrial processes. This segment also provides services relating to the engineering, procurement, construction, operation, and maintenance of geothermal and recovered energy power plants. The company was founded in 1965 and is based in Reno, Nevada. Ormat Technologies, Inc. is a subsidiary of Ormat Industries, Ltd.

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15. Company: Kadant Inc. (KAI)

Kadant, Inc. engages in the development, manufacture, and marketing of equipment and products for the papermaking and paper recycling industries. Its principal products include custom-engineered stock-preparation systems and equipment for the preparation of wastepaper for conversion into recycled paper; paper machine accessory equipment and related consumables for the efficient operation of paper machines; water-management systems for draining, purifying, and recycling process water; and fluid-handling systems used primarily in the dryer section of the papermaking process and during the production of corrugated boxboard, metals, plastics, rubber, textiles, and food. The company also produces biodegradable, absorbent granules from papermaking byproducts for use primarily as carriers for agricultural, home lawn and garden, and professional lawn, turf, and ornamental applications, as well as for oil and grease absorption. In addition, it manufactures and sells grey and ductile iron castings. Kadant operates primarily in the United States, China, and Europe. The company was founded in 1991. It was formerly known as Thermo Fibertek Inc. and changed its name to Kadant, Inc. in 2001. Kadant is headquartered in Westford, Massachusetts.

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16. Company: Intrepid Technology & Resource Inc. (IESV.OB)

Intrepid Technology & Resources, Inc., together with its subsidiaries, operates as a biofuels renewable and alternative energy development and operating company in the United States. The company specializes in developing, constructing, operating, and owning or co-owning a portfolio of projects in the biofuels production and distribution area of the renewable energy sector. It focuses on the production of biofuels, such as biogas, biodiesel, ethanol, and hydrogen that are produced from biomass. It also provides consulting services in various science and technology disciplines, such as nuclear science, renewable energy, material science, construction management, soil science, crop management, and process engineering. In addition, the company offers a range of engineering services. Intrepid Technology & Resources, Inc. is headquartered in Idaho Falls, Idaho.

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17. Company: MGP Ingredients Inc. (MGPI)

MGP Ingredients, Inc. produces certain ingredients and distillery products in the United States. It processes wheat, corn, and milo into various products through an integrated production process. The company offers ingredients, which include specialty ingredients consisting primarily of specialty wheat starches and specialty wheat proteins for food and non-food applications; and commodity ingredients, including commodity wheat starches and vital wheat gluten, and mill feeds. MGP Ingredients' distillery products include food-grade alcohol, including beverage alcohol and industrial alcohol; fuel alcohol, commonly known as ethanol; and distillers grain and carbon dioxide, which are by-products of its distillery operations. The company sells its products directly or through distributors to manufacturers and processors of finished goods. MGP Ingredients has a strategic alliance with Cargill, Incorporated for the production and marketing of a resistant starch derived from high amylose corn. The company was founded in 1941 and is headquartered in Atchison, Kansas.

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18. Company: Cereplast Inc. (CERP.OB)

Cereplast, Inc. engages in the development and commercialization of bio-based resins in the United States, Europe, and Asia. Its bio-resins are primarily made of renewable resources, such as corn, wheat, and potato starches; and are used as substitutes for conventional and petroleum-based plastics in a various applications. The company's resins are also used in various conventional processes, including injection molding to manufacture utensils, plates, and cups; thermoforming to manufacture cups and hard plates; blow film to manufacture film for compostable bags; blow molding to manufacture bottles and other containers; and extrusion for paper lamination or for straws. It serves plastic converters in the foodservice disposable packaging market, including quick-service restaurants, food and facilities management companies, the U.S. government, universities/colleges, and retail operations. The company was founded in 2001 as Biocorp North America, Inc. and changed its name to Cereplast, Inc. in 2005. Cereplast is headquartered in Hawthorne, California.

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19. Company: Earth Biofuels, Inc. (EBOF.OB)

Earth Biofuels, Inc. engages in the production, distribution, and sale of renewable fuels consisting of biodiesel, ethanol, and liquid natural gas, with a focus on biodiesel fuel, in the United States. It produces pure biodiesel fuel (B100) through the utilization of vegetable oils, such as soy and canola oil as raw material for sale directly to wholesale distributors; and as a blend stock to make B20 biodiesel primarily in Oklahoma and Texas. Earth Biofuels distributes petroleum/biodiesel blended fuel, such as B20 through wholesale distributors, truck stops, and fueling stations. The company also produces and distributes liquefied natural gas for municipal and commercial fleet customers primarily in Arizona and California, through its subsidiary, Earth LNG, Inc. In addition, Earth Biofuels has the exclusive license to sell and distribute BioWillie-branded biofuels. The company is headquartered in Dallas, Texas. Earth Biofuels, Inc. is a subsidiary of Apollo Resources International, Inc.

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20. Company: Andersons Inc. (ANDE)

The Andersons, Inc., together with its subsidiaries, operates in the agriculture and transportation markets in the United States. It operates in five segments: Grain & Ethanol Group, Rail Group, Plant Nutrient Group, Turf & Specialty Group, and Retail Group. The Grain & Ethanol Group segment purchases and merchandises grain; operates grain elevator facilities; provides management services for ethanol production facilities; and engages in grain and ethanol trading. The Rail Group segment buys, sells, leases, rebuilds, and repairs various types of used railcars and rail equipment; and provides fleet management services to fleet owners, as well as operates a custom steel fabrication business. It also provides ongoing railcar maintenance and management services for the financial intermediary. The Plant Nutrient Group segment purchases, stores, formulates, manufactures, and sells dry and liquid fertilizer to dealers and farmers; provides warehousing and services; formulates liquid anti-icers and deicers for use on roads and runways; and distributes seeds and various farm supplies. The Turf & Specialty Group segment produces granular fertilizer products for the professional lawn care and golf course markets; and private label fertilizer, corncob-based animal bedding, and cat litter for the consumer markets. It sells consumer fertilizer and control products to mass merchandisers, small independent retailers, and other lawn fertilizer manufacturers. The Retail Group segment offers hardware, plumbing, electrical, and building supplies; and other housewares, as well as specialty foods, wine, and indoor and outdoor garden center products through its stores. This segment operates its stores under The Andersons name. The company was founded in 1947 and is based in Maumee, Ohio.

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21. Company: US BioEnergy Corp. (USBE)

US BioEnergy Corporation produces and markets ethanol and distillers grains in the United States. It also provides facilities management, grain procurement, and risk consulting services to other ethanol producers. The company sells ethanol to refining and marketing companies, and sells distillers grains to livestock operators and marketing companies. In addition, it has a joint venture, Provista Renewable Fuels Marketing, LLC with CHS, Inc. for ethanol marketing. US BioEnergy Corporation also has a joint venture, Big River Grinnell, LLC with Big River Resources, LLC to construct, own, and operate an ethanol facility near Grinnell, Iowa. The company was founded in 2004 and is based in Inver Grove Heights, Minnesota.

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22. Company: Xethanol Corporation (XNL)

Xethanol Corporation, a renewable energy company, engages in the production and sale of ethanol and its co-products in the United States. The company, through its subsidiary, also produces distiller's wet grains, a by-product of corn-to-ethanol process. Xethanol has a strategic alliance with UTEK Corporation. The company was founded in 2000 and is headquartered in New York, New York.

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23. Fund: iShares KLD 400 Social Index (DSI)

The investment seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the Domini 400 SocialSM index (the Underlying index). The fund may invest at least 90% of assets in the securities of the Underlying index or in ADRs representing securities in the Underlying index. It may invest the remainder of assets in securities not included in the Underlying index, but which BGFA believes may help the fund track the Underlying index, such as futures contracts, options on futures contracts, options, and swaps, as well as cash and cash equivalents.

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24. Fund: iShares KLD Select Social Index (KLD)

The investment seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the KLD Select SocialSM index. The fund uses a representative sampling strategy to try to track the index. The index consists of approximately 250 to 350 companies drawn from the universe of companies included in the Russell 1000 index and the S&P 500 index.

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25. Fund: PowerShares Cleantech (PZD)

The investment seeks results that correspond to the price and yield performance, before fees and expenses, of the Cleantech Index. The fund normally invest at least 80% of total assets in common stocks of cleantech companies. It normally invest at least 90% of total assets in common stocks that comprise the CleantechTM Index.

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26. Fund: PowerShares Water Resources (PHO)

The investment seeks results that correspond generally to the price and yield (before the Fund's fees and expenses) of an equity index called the Palisades Water index. The fund normally invests at least 80% of total assets in American Depositary Receipts and common stocks of companies in the water industry. In pursuit of its objective, it may invest at least 90% of total assets in American Depositary Receipts and common stocks that comprise the Palisades Water index. It is nondiversified.

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27. American Superconductor Corp. (AMSC)

American Superconductor Corporation offers a range of solutions based on two technologies, programmable power electronic converters and high temperature superconductor (HTS) wires. The company operates in two segments, AMSC Power Systems and AMSC Superconductors. The AMSC Power Systems segment produces a range of products to increase electrical grid capacity and reliability; supplies electrical systems used in wind turbines; sells power electronic products that regulate wind farm voltage to enable their interconnection to the power grid; licenses wind energy system designs to manufacturers of such systems; and provides consulting services to the wind industry. This segment offers power electronics; grid reliability, power quality, and interconnection systems; and wind energy systems and solutions for transmission and distribution, wind power, and manufacturing industries. The AMSC Superconductors segment engages in the manufacture of HTS wire and coils; design and development of HTS products, such as power cables, fault current limiters, and rotating machines; and management of HTS projects, such as HTS power cable system design, manufacturing, and installation. This segment sells its HTS wire to original equipment manufacturers that incorporate HTS wire into value-added products for electric utilities, ship integrators, and industrial end-users. The company serves wind energy, and power transmission and distribution markets in North America, Europe, and Asia. American Superconductor has strategic alliances with GE Energy, Nexans, Siemens AG, Southwire, Vestas, and Northrop Grumman Marine Systems. The company was founded in 1987 and is headquartered in Westborough, Massachusetts.

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28. Company: Baldor Electric Co. (BEZ)

Baldor Electric Company designs, manufactures, and sells electric motors, drives, and generators to original equipment manufacturers and independent distributors worldwide. The company's motor products include AC and DC electric motors; drives consisting of inverter, vector, and servo drives, as well as linear and rotary servo motors and motion control products; and generator products comprising portable generators, as well as industrial towable, mobile light towers, emergency and standby, prime power, and peak-shaving generators. It also manufactures products, such as laminations, stamped steel parts, and aluminum die castings; and mounted bearings, enclosed shaft mount, helical and worm gearing, and other power transmission components, such as bushings, sheaves, and conveyor pulleys. In addition, the company's motor manufacturing operations include machining, welding, winding, assembling, and finishing. It serves agriculture, chemical, food and beverage, machinery manufacturing, medical equipment, mining, paper and packaging, semiconductor manufacturing, water supply, construction, equipment rental, military, municipal, and telecom industries. Baldor Electric markets its products through independent manufacturer's representatives and sales personnel. The company was founded in 1920 and is based in Fort Smith, Arkansas.

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29. Company: Capstone Turbine Corp. (CPST)

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30. Company: Comverge, Inc. (COMV)

Comverge, Inc. and its subsidiaries provide energy solutions that enhance grid reliability and enable utilities to increase available electric capacity during periods of peak energy demand. The company provides its energy solutions through two operating segments, the Smart Grid Solutions Group and the Alternative Energy Resources Group. The Smart Grid Solutions Group develops and delivers demand response, smart metering, advanced metering initiative, advanced meter reading, and other monitoring and control hardware and software, which allows the utility customers to measure, manage, shift, and reduce energy consumption. Its products include digital control units, a microprocessor-driven solution for load management control, which is installed on energy-consuming devices and controls the cycling and operation of the device; and SuperStat, a programmable thermostat solution with embedded communications to control the air conditioning and heating load. The Alternative Energy Resources Group offers virtual peaking capacity programs, which provide electric capacity to the utility customers during periods of peak energy demand by remotely operating high energy-consuming devices, such as central air conditioners, water heaters, and pool pumps. The company provides its solutions to the electric utilities in North America. Comverge, Inc. was formerly known as Comverge Technologies, Inc. Comverge, Inc. was founded in 1997 and is based in East Hanover, New Jersey.

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31. Company: Cree Inc. (CREE)

Cree, Inc. develops and manufactures semiconductor materials and devices primarily based on silicon carbide (SiC), gallium nitride (GaN), and related compounds. The company produces light emitting diodes (LEDs), SiC and GaN material products, and high-power products using its SiC and GaN materials. Its LED chip products include blue and green devices made from GaN and related materials grown on SiC substrates. These LEDs are electronic components that are used in various applications, including backlighting for mobile products, automotive interior lighting, electronic displays, gaming equipment, consumer products, and other electronic equipment. Cree's high brightness packaged LEDs comprise high brightness LEDs for lighting applications and surface mount devices; and through-hole LEDs for signage, gaming, and other applications. The company's materials products consist of SiC and GaN wafer and epitaxy products, which are used to manufacture products for optoelectronic, microwave, and power switching applications, as well as bulk SiC materials used for gemstone applications. Its high-power products comprise SiC power devices, which are used in power conditioning and power switching in power supplies and motor control applications; and RF and microwave devices. Further, Cree provides foundry services for wide bandgap monolithic microwave integrated circuits that are used in various wide bandwidth communications applications, high-power radar amplifiers, electronic warfare, and wireless infrastructure. The company markets its LED products to customers who incorporate them into packaged lamps for resale to original equipment manufacturers and in packaged products; and SiC and GaN materials products to corporate, government, and university research laboratories. It sells its products primarily in Japan, Malaysia, Hong Kong, Korea, Taiwan, Europe, China, and the United States. The company was founded in 1987 and is headquartered in Durham, North Carolina.

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32. Company: Dais Analytic Corporation (DLYT.PK)

Dais Analytic Corporation operates as a nanotechnology polymer materials company. It offers polymer platforms that primarily include ConsERV, an heating, ventilation, and air conditioning product that saves energy. The company's polymer platform also has applications in homeland security, marine paints and coatings, and water desalination. Dais Analytic was incorporated in 1993 and is based in Odessa, Florida.

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33. Company: Distributed Energy Systems Corp. (DESC)

Distributed Energy Systems Corp. designs, builds, and installs stand-alone and grid-connected electric power systems for industrial, commercial, and governmental customers. Its generating systems convert energy derived from wind, sunlight, oil, natural gas, diesel, and bio-fuels into electricity, using power generation technologies integrated with custom controls and power electronics. It sells its systems to grid-connected customers and to customers who need power solutions for remote locations or environmentally benign alternatives to centrally distributed electricity. The company also offers hydrogen generators, which utilize proprietary proton exchange membrane and electrochemical technology to produce hydrogen through the electrolysis of water, to domestic and international customers for industrial, utility, and research applications. It also develops additional technologies and products for the distributed energy market, including systems that provide backup power and energy storage, hydrogen generators that produce hydrogen for fuel cell vehicles, power network architectures that link diverse power generating sources, and advanced wind turbine generators. The company was founded in 1996 and is headquartered in Wallingford, Connecticut.

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34. Company: Echelon Corporation (ELON)

Echelon Corporation engages in the development, marketing, and support of hardware and software products and services that enable original equipment manufacturers and systems integrators to design and implement open, interoperable, distributed control networks. The company provides primarily a suite of network infrastructure products, LonWorks Infrastructure product line, including transceivers, concentrator products, control modules, routers, network interfaces, development tools, and software tools and toolkits to the original equipment manufacturers. It offers networked energy services system that provides a two-way information and control path between the utility and its customer to the utility industry; and i.LON Internet server family of products to the system integrators serving the street lighting, remote facility monitoring, and energy management markets. The company serves building, industrial, transportation, utility/home, and other automation markets. Echelon Corporation sells its products and services through direct sales organization, third-party electronics representatives, distributors, value-added resellers, and integration partners. It operates principally in the United States, China, France, Germany, Hong Kong, Italy, Japan, Korea, the Netherlands, and the United Kingdom. Echelon Corporation was founded in 1988 and is headquartered in San Jose, California.

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35. Company: EnerNOC, Inc. (ENOC)

EnerNOC, Inc. develops and provides demand response and energy management solutions to commercial, institutional, and industrial customers, as well as electric power grid operators and utilities in the United States. The company provides technology-enabled demand response and energy management solutions that enables in optimizing the balance of electric supply and demand. It uses Network Operations Center to remotely manage electricity consumption across a network of end-use customer sites and make electric capacity and energy available to grid operators and utilities on demand. The company's demand response capacity provides an alternative to build conventional supply-side resources, such as natural gas-fired peaking power plants, to meet infrequent periods of peak demand. It also offers meter data gathering and storage services for advanced meters; energy analytics and control services; energy procurement service; and emission tracking and trading support. As of February 1, 2007, the company had approximately 1,150 customer sites and 525 megawatts of electric capacity under management. EnerNOC was founded in 2001 under the name EnerNOC, LLC and changed its name to EnerNOC, Inc. in 2003. The company is headquartered in Boston, Massachusetts.

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36. Company: Fuel-Tech, Inc. (FTEK)

Fuel Tech, Inc. provides engineering solutions for the optimization of combustion systems in utility and industrial applications worldwide. It offers boiler optimization, air pollution reduction, and control solutions. The company operates in two segments, Nitrogen Oxide (NOx) Reduction Technology and FUEL CHEM Technology. The NOx Reduction Technology segment includes the NOxOUT, NOxOUT CASCADE, NOxOUT ULTRA, and NOxOUT-SCR processes, which reduces NOx emissions in flue gas from boilers, incinerators, furnaces and other stationary combustion sources. The FUEL CHEM Technology segment uses chemical processes, including TIFI Targeted In-Furnace Injection technology, to control slagging, fouling, corrosion, opacity, acid plume, and loss on ignition, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter (PM2.5), carbon dioxide, and NOx in furnaces and boilers. Fuel Tech distributes its products through its direct sales force, licensees, and agents. The company, formerly known as Fuel Tech N.V., was founded in 1987 and is headquartered in Batavia, Illinois.

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37. Company: Itron Inc. (ITRI)

Itron, Inc. provides solid-state meters, automated meter reading (AMR) technology, enterprise-wide software platforms, and real-time analytic applications for energy and water providers worldwide. It operates in three segments, Hardware Solutions and Software Solutions. Hardware Solutions segment includes Electricity Metering and Meter Data Collection segments. Electricity Metering segment provides residential electronic and electromechanical electricity meters; commercial and industrial meters; advanced metering infrastructure (AMI); generation, transmission, and distribution meters; and international meters for use outside the United States and Canada, as well as provides related installation and implementation services. Meter Data Collection segment offers residential and commercial AMR standalone modules, original equipment manufacturer equipment, contract manufacturing and royalties for its AMR technology in other vendors' electricity meters, mobile and network AMR data collection technologies, handheld computers for meter data collection or mobile workforce applications, and related installation and maintenance support services. Software Solutions segment provides software for meter data collection, workforce management, meter data management, and other knowledge applications. This segment also offers professional services for the implementation, system testing, and integration of software, as well as consulting, training, maintenance, and software hosting services. The company offers its products through distributors, representative agencies, partners, and meter manufacturer representatives, as well as through original equipment manufacturer arrangements with various meter manufacturers. Itron was founded in 1977 and is headquartered in Liberty Lake, Washington.

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38. Company: Johnson Controls Inc. (JCI)

Johnson Controls, Inc. is an interior experience, building efficiency, and power solutions company. It operates in three segments: Building Efficiency, Automotive Experience, and Power Solutions. Building Efficiency segment engages in the design, production, and installation of control systems that monitor, automate, and integrate building operating equipment and conditions. This segment also provides various technical services, including the operation, scheduled maintenance, and repair and replacement of mechanical and control systems, such as control systems, chillers, boilers, and heating, ventilating, and air conditioning mechanical equipment. It sells its products and services through its network of sales and service offices, and to distributors of air-conditioning and refrigeration systems, and commercial heating systems. Automotive Experience segment designs and manufactures automotive interior systems, including seating systems and components; cockpit systems, including instrument clusters, information displays, and body controllers; overhead systems, including headliners and electronic convenience features; floor consoles; and door systems. Its products and systems are used in passenger cars and light trucks, including vans, pick-up trucks, and sport/crossover utility vehicles. The company primarily offers these systems to original equipment manufacturers. Power solutions segment produces lead-acid batteries for the automotive original equipment vehicle manufacturers and the battery aftermarket. Johnson Controls has a strategic alliance with Nexterra Energy Corp. to provide biomass gasification solutions to customers, including higher education, health care, government facilities, and industrial operations. The company was founded in 1885 as Johnson Electric Service Company and changed its name to Johnson Service Co. in 1902. Further, the name was changed to Johnson Controls, Inc. in 1974. The company is headquartered in Milwaukee, Wisconsin.

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39. Company: Power Efficiency Corp. (PEFF.OB)

Power Efficiency Corporation engages in the design, development, marketing, and sale of solid state electrical components designed to reduce energy consumption in alternating current induction motors. It offers Power Genius, a Three-Phase product that reduces energy consumption in alternating current induction motors used in industrial and commercial applications. The company also develops a Single-Phase version of the product, based on analog technology, which is intended for consumer applications, such as home appliances. Power Efficiency Corporation markets its products primarily to the original equipment manufacturers of elevator and escalator equipment, as well as to mining, recycling, distribution, and food processing industries. Its end users include retail chains, hotels, airports, and federal government facilities. The company operates in the United States, Mexico, Sweden, and Canada. Power Efficiency was incorporated in 1994 and is based in Las Vegas, Nevada.

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40. Company: Power Integrations Inc. (POWI)

Power Integrations, Inc. designs, develops, manufactures, and markets proprietary, high-voltage, analog integrated circuits (IC) for use primarily in alternating current (AC)-direct current (DC) and DC-DC power conversion in the consumer, communications, computer, and industrial electronics markets in North America and internationally. Its products include TOPSwitch, which integrates a pulse width modulation, controller, a high-voltage MOSFET, and various other electronic components for use in various applications, including set-top boxes, DVD players, desktop computers, LCD monitors, and printers; and TinySwitch with EcoSmart technology used in adapters for portable equipment, such as cell phones, personal digital assistants, digital cameras, computer peripherals, and power tools, as well as for power supplies found in personal computers, audio/video equipment, and home appliances. The company's products also include LinkSwitch products that are integrated high-voltage power conversion IC designed to displace low-power linear transformers, such as adapters and chargers for personal electronics, including cell phones, cordless phones, digital cameras, and MP3 players, as well as used for various consumer and industrial applications; and DPA-Switch products that supply output power levels of up to 100 watts, such as Power-over-Ethernet powered devices, including voice-over-IP phones and security cameras, as well as network hubs, line cards, servers, digital PBX phones, DC-DC converter modules, and industrial controls. Power Integrations, Inc. sells its products to original equipment manufacturers and merchant power supply manufacturers through direct sales staff and through a network of independent sales representatives and distributors. The company was founded in 1988 and is based in San Jose, California.

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41. Company: Raser Technologies Inc. (RZ)

Raser Technologies, Inc. operates as a technology licensing and development company in the United States. It provides electromagnetic machine and power electronic drive technology, which is applied to industrial AC induction motors, and drives, permanent magnet motors, automotive alternators, and integrated starter alternators for use in industrial and transportation applications, and hybrid-electric and electric vehicle propulsion systems. The company operates in two segments, Transportation and Industrial Technology, and Power Systems. The Transportation and Industrial Technology segment focuses on improving the efficiency and power density of electric motors, generators, and their associated power electronic drives and controls. The Power Systems segment develops geothermal electric power generating plants and bottom-cycling operations that generate electric power from the waste heat of existing power plants and industrial facilities. The company was founded in 2002 and is based in Provo, Utah.

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42. Company: SatCon Technology Corp. (SATC)

SatCon Technology Corporation engages in the design and manufacture of enabling technologies and products for electrical power conversion and control in the United States and Canada. Its products are used for the performance and efficiency applications in alternative energy, hybrid electric vehicles, distributed power generation, power quality, semiconductor fabrication capital equipment, industrial motors and drives, and defense electronics. The company sells its products through three segments: Power Systems, Electronics, and Applied Technology. The Power Systems segment manufactures and sells high power line of power control systems, amplifiers, and power converters; rotary UPS systems for back-up power and power quality; inverters for alternative energy, including underwriter laboratory compliance testing; and industrial and commercial power conversion, and conditioning products. The Electronics segment designs and manufactures advanced electronic assemblies, thin film products, radio frequency products, and custom modules for the aerospace, defense, wireless, and telecom industries. The Applied Technology segment designs and builds power conversion products, which include power electronics, machines, and control systems for various defense and commercial applications. SatCon Technology sells its products and services through its direct sales force and independent distributors, and representatives. It has strategic relationship with General Atomics. SatCon was founded in 1985 and is headquartered in Boston, Massachusetts.

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43. Company: Nexxus Lighting, Inc. (NEXS)

Nexxus Lighting, Inc. engages in the design, manufacture, marketing, and sale of light emitting diode (LED) and fiber optic lighting products for use in commercial, architectural, signage, swimming pool, and original equipment manufacturing (OEM) markets. It primarily offers SIDE-GLOW and END-GLOW brand fiber optic lighting cables, and fiber optic lighting sources, accessories, endpoint signs, and displays; and FlexLED, BorderLight, and SaVi brand LED lighting products and control systems. The company also designs, manufactures, markets, and sells fiber optically lit waterfalls and water features under the Oasis Waterfalls brand. It markets and distributes its products primarily through various networks of independent sales representatives and distributors worldwide. The company, formerly known as Super Vision International, Inc., was incorporated in 1991 and changed its name to Nexxus Lighting, Inc. in April 2007. Nexxus Lighting, Inc. is based in Charlotte, North Carolina.

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44. Company: UQM Technologies Inc. (UQM)

UQM Technologies, Inc. develops and manufactures electric motors, generators, and power electronic controllers in the United States. It operates in two segments, Technology and Power Products. The Technology segment conducts research and engineering activities directed towards the development of new motors, generators, and power electronics to meet the requirements of customers' specific product applications; integration of its motors, generators, and power electronic controllers into customers' products; and support of its Power Products segment and the low volume manufacture of motors, generators, and power electronic controllers. The Power Products segment manufactures motors, generators, power electronic controllers, and related products designed by the company. UQM Technologies primarily serves the automotive, agriculture, industrial, medical, and aerospace markets. The company was founded in 1967 and is headquartered in Frederick, Colorado.

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45. Company: Active Power Inc. (ACPW)

Active Power, Inc., together with its subsidiaries, engages in the design, manufacture, and marketing of power quality products to provide ride through power for power disturbances caused by voltage sags and surges, as well as temporary power outages. Its products include CleanSource DC, a non-chemical replacement for lead-acid batteries used for short-term backup power in power quality installations; CleanSource UPS a battery-free uninterruptible power supply (UPS), which incorporates the company's flywheel technology; CoolAir DC a battery-free extended runtime technology that utilizes thermal and compressed air storage (TACAS) technology to produce backup power and backup cooling during an electrical disturbance; and CoolAir UPS a UPS solution that uses the TACAS technology and couples the CoolAir DC unit with a sourced double-conversion UPS. The company also provides other continuous power systems, which comprise combination of third party ancillary equipment, such as engine generators and switchgear. In addition, it provides services, including engineering, installation, start-up, monitoring, and repair for its products. The company markets its products to various industries, such as utilities, communications, manufacturing, technology, financial institutions, healthcare, government, semiconductor manufacturing, academic institutions, solar cell manufacturing, and others primarily in the United States, Europe, Africa, and Asia Pacific. It distributes its products through various channels, including original equipment manufacturers, direct sales employees, sales agents, value-added resellers, and manufacturer's representatives. Active Power has strategic alliances with Caterpillar, Eaton Electrical, and General Electric for the distribution of its products. The company was founded in 1992 and is headquartered in Austin, Texas.

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46. Company: Altair Nanotechnologies Inc. (ALTI)

Altair Nanotechnologies, Inc. engages in the development and commercialization of nanomaterial and titanium dioxide pigment technologies primarily in the United States and Canada. It also provides contract research services on select projects to develop intellectual property and/or new products and technology. The company operates through four divisions: Advanced Materials and Power Systems (AMPS), Life Sciences, Altair Hydrochloride Pigment Process (AHP), and Performance Materials. The AMPS division designs, develops, and produces NanoSafe brand nanoTitanate battery cells, batteries, and battery packs; and provides related design and test services. It also offers electrode materials for use in a new class of lithium ion batteries called lithium nanoTitanate batteries. The Life Sciences division co-develops RenaZorb, a test-stage active pharmaceutical ingredient for the treatment of elevated serum phosphate levels in patients undergoing kidney dialysis; and Renalan, a test-stage active pharmaceutical ingredient for the treatment of elevated serum phosphate levels in animals suffering from chronic renal disease. The AHP division markets and licenses the company's titanium dioxide pigment production technology. The Performance Materials division engages in the testing, development, marketing, and/or licensing of nano-structured ceramic powders for use in various application, such as advanced performance coatings, air and water purification systems, power systems, alternative energy devices, and nano-sensor applications. The company was incorporated in 1973 as Diversified Mines Limited and changed its name to Tex-U.S. Oil & Gas, Inc. in 1981. The name was further changed to Orex Resources, Ltd. in 1986; to Carlin Gold Company, Inc. in 1988; to Altair International Gold, Inc. in 1994; to Altair International, Inc. in 1996; and to Altair Nanotechnologies, Inc. in 2002. Altair Nanotechnologies is headquartered in Reno, Nevada.

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47. Company: Beacon Power Corp. (BCON)

Beacon Power Corporation engages in the design and development of flywheel devices for storing and transmitting kinetic energy. The company designs products to support electricity grid operation for the utility, renewable energy, and distributed generation markets. It focuses on commercializing Smart Energy Matrix, a multi-flywheel energy storage system for frequency regulation and completion of government research and development contracts. The company also designs and develops Smart Power M-Series, a family of battery backup photovoltaic power conversion systems that offer field-tested performance for grid-connect applications, including Smart Power M5, an integrated system that includes inverter, charge controller, switchgear, and ground fault protection; and Smart Power M4 Plus and M5 Plus grid-tied battery backup solar power systems. In addition, Beacon Power offers system accessories, such as Smart Power Monitor, a PC-based program for monitoring the status and performance; PV String Combiner, a photovoltaic string combiner box; and Battery Cabinet, a battery enclosure with integrated circuit breaker to house and protect photovoltaic system's backup batteries. The company was founded in 1997 and is based in Wilmington, Massachusetts.

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48. Company: Electro Energy Inc. (EEEI)

Electro Energy, Inc. engages in the research and development of battery technologies in the United States. It developed and patented bipolar cell and battery designs utilizing NiMH chemistry, as well as expanding development to include Li-ion chemistries. Electro Energy also offers commercial products, including components and batteries employing nickel cadmium, nickel hydrogen, and other sintered nickel materials technologies for military and commercial aerospace and satellite applications. Further, the company offers prismatic and cylindrical cell battery products. Its products serve military and space applications; transportation applications, including electric vehicles, hybrid electric vehicles, and plug-in hybrid electric vehicles ranging in size from bicycles to automobiles, trucks, buses, and rail applications; electrical utility power quality and backup power; and power tools, and lawn and garden applications. Electro Energy, formerly known as MCG Diversified, Inc., was founded in 1992 and is headquartered in Danbury, Connecticut.

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49. Company: Ener1 Inc. (ENEI.OB)

Ener1 Inc., through its subsidiaries, engages in the development and marketing of Lithium-ion batteries, fuel cells, and nanotechnology-related manufacturing processes and materials. It operates in three segments: Battery, Fuel Cell, and Nanotechnology. The Battery segment develops and markets Li-ion batteries, battery packs, and components, such as Li-ion battery electrodes and lithium electronic controllers for use in hybrid electric vehicles. The Fuel Cell segment offers fuel cell components and products, including integrated fuel cell-based specialty products. The nanotechnology segment develops technologies, nanostructured materials, and processing technology for use in various industrial applications. The company's products are used in hybrid electric vehicles, such as light vehicles, tanks, buses, and others; fuel cell vehicles; plug-in hybrid electric vehicles; electric vehicles or solar cell vehicles; power tools; marine motors; back up power; auxiliary power; mobility devices; military applications; aerospace and medical applications; load leveling; and storage. Ener1 Inc. has joint venture with Delphi Corporation and ITOCHU Corporation. The company was founded in 1985. It was formerly known as Boca Research, Inc. and changed its name to Ener1 Inc. in 2002. Ener1 Inc. is headquartered in Fort Lauderdale, Florida.

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50. Company: Energy Conversion Devices, Inc. (ENER)

Energy Conversion Devices, Inc. commercializes materials, products, and production processes for the alternative energy generation, energy storage, and information technology markets. The company operates in two segments: United Solar Ovonic and Ovonic Materials. The United Solar Ovonic segment designs, develops, manufactures, and sells proprietary thin-film solar (photovoltaic or PV) modules, which are lightweight, thin, flexible, and durable products for converting sunlight into electricity. It sells these PV modules to commercial roofing materials manufacturers, builders and building contractors, and solar power installers/integrators, who incorporate these PV modules into their products and services for commercial sale. The company also sells PV modules for ground-mounted and residential applications and, for some applications, manufactures and sells framed PV products. The Ovonic Materials segment invents, designs, and develops materials and products based on its materials science technology, principally amorphous and disordered materials. The company is commercializing NiMH materials and consumer battery technology through this segment internally and through third-party relationships, such as licenses and joint ventures. It licenses NiMH battery technology to NiMH battery manufacturers, principally for consumer applications; and produces proprietary positive electrode nickel hydroxide materials for use in NiMH batteries, which it sells to licensees of its NiMH battery technology. The company also engages in pre-commercialization activities for various emerging technologies, such as Ovonic solid hydrogen storage technologies, Ovonic metal hydride fuel cell technologies, and Ovonic biofuel reformation technologies. The company operates in the United States, Germany, China, Japan, Italy, and internationally. Energy Conversion Devices was founded in 1960 and is headquartered in Rochester Hills, Michigan.

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51. Company: Enova Systems Inc. (ENA)

Enova Systems, Inc. engages in the development and production of digital power management systems for transportation vehicles and stationary power generation systems. The company develops and produces software, firmware, and hardware for applications in vehicle power generation and stationary power generation markets. It offers digital power conversion, power management, and system integration products. Enova Systems offers drive systems and related components for electric, hybrid-electric, fuel cell, and microturbine-powered vehicles; and power management and power conversion components for stationary distributed power generation systems. In addition, the company engages in research and development to augment and support others and its own related product development efforts. Its products are used in light, medium, and heavy duty trucks; train locomotives; transit buses; and industrial vehicles. The company has strategic relationship with Ford Motor Company to develop and manufacture high power and voltage conversion module for Ford's fuel cell vehicle; and International Truck and Engine Corp. Enova Systems was founded in 1976. It was formerly known as U.S. Electricar, Inc. and changed its name to Enova Systems, Inc. in 2000. The company is headquartered in Torrance, California.

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52. Company: Fuel Systems Solutions, Inc. (FSYS)

Fuel Systems Solutions, Inc. engages in the design, manufacture, and supply of alternative fuel components and systems for use in the transportation, industrial, and power generation industries worldwide. Its components and systems control the pressure and flow of gaseous alternative fuels, such as propane and natural gas used in internal combustion engines. The company offers fuel delivery products, including pressure regulators, fuel injectors, flow control valves, and other components to control the pressure, flow, and/or metering of gaseous fuels; electronic controls, such as solid-state components and proprietary software that monitor and optimize fuel pressure and flow; and systems integration support to integrate the gaseous fuel storage, fuel delivery, and/or electronic control components and sub-systems. Its customers include automobile manufacturers, taxi companies, transit and shuttle bus companies, and delivery fleets. Fuel Systems Solutions supplies its products and systems through a network of distributors and dealers, as well as through original equipment manufacturers. The company was founded in 1958 and is headquartered in Santa Ana, California.

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53. Company: KEMET Corp. (KEM)

KEMET Corporation, together with its subsidiaries, manufactures tantalum, multilayer ceramic, and solid aluminum capacitors. It produces surface-mount capacitors, which are attached directly to the circuit board without lead wires; and leaded capacitors that are attached to the circuit board using lead wires. Capacitors are electronic components that store, filter, and regulate electrical energy and current flow. The company's products are used in various electronic applications and products, including communication systems, data processing equipment, personal computers, cellular phones, automotive electronic systems, military and aerospace systems, and consumer electronics. It markets and sells its products through its direct sales force and independent commissioned representatives in North and South America, Asia, the Pacific Rim, Europe, the Middle East, and Africa. The company was founded in 1919 and is headquartered in Simpsonville, South Carolina.

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54. Company: Maxwell Technologies Inc. (MXWL)

Maxwell Technologies, Inc. develops, manufactures, and markets energy storage and power delivery products. It offers BOOSTCAP ultracapacitor cells, and multi-cell packs and modules for transportation, automotive, telecommunications, energy generation, fuel cell augmentation, and consumer and industrial electronics applications; and CONDIS high-voltage capacitors, including grading and coupling capacitors, and capacitive voltage dividers for electric utility infrastructure applications, as well as for applications involving transportation, distribution, and measurement of high-voltage electrical energy. The company's products also comprise radiation-mitigated microelectronic products, including power modules, memory modules, and single board computers for space and satellite applications. Maxwell Technologies markets and sells its products through direct and indirect sales organizations in North America, Europe, and Asia. The company was founded in 1965 as Maxwell Laboratories, Inc. and changed its name to Maxwell Technologies, Inc. in 1996. Maxwell Technologies is headquartered in San Diego, California.

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55. Company: Ultralife Batteries Inc. (ULBI)

Ultralife Batteries, Inc. develops, manufactures, and markets a range of non-rechargeable and rechargeable batteries, charging systems, and communications accessories for use in military, industrial, and consumer portable electronic products. It operates in four segments: Non-Rechargeable Products, Rechargeable Products, Communications Accessories, and Technology Contracts. Non-Rechargeable Products segment offers lithium-manganese dioxide nonrechargeable batteries that include 9-volt batteries for use in smoke alarms, wireless security systems, and intensive care monitors; and HiRate cylindrical and Thin Cell lithium nonrechargeable batteries for use in radios, automotive telematics, emergency radio beacons, search and rescue transponders, pipeline inspection gauges, portable medical devices, and other instruments and applications. It also provides magnesium silver-chloride seawater-activated batteries for certain marine applications. Rechargeable Products segment offers a range of lithium polymer and lithium ion rechargeable batteries, as well as rugged military and commercial battery charging systems and accessories, including smart chargers, multi-bay charging systems, and cables. Communications Accessories segment provides power supplies, RF amplifiers, battery chargers, amplified speakers, equipment mounts, case equipment, and integrated communication systems. Technology Contracts segment develops applications for its products and technologies through contracts with government agencies and third parties. The company operates in the United States, Europe, the People's Republic of China, Hong Kong, Japan, Singapore, and Canada. Ultralife Batteries sells its products directly, as well as through sales agents, distributors, and retailers. The company was founded in 1990 and is headquartered in Newark, New York.

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56. Company: Valence Technology Inc. (VLNC)

Valence Technology, Inc., together with its subsidiaries, engages in the commercialization of phosphate-based lithium-ion rechargeable battery technology, known as Saphion. The company offers various Saphion technology-based power systems, including N-Charge and U-Charge. The N-Charge power system is a stand-alone tool that provides power for various portable electronic devices, such as a notebook computer, cell phone, and personal digital assistant. The U-Charge power system is offered as a replacement for lead acid batteries systems, which would be used in applications, such as electric vehicles, wheelchairs, scooters, robotics, marine, remote power, military, back-up, and various other devices. It markets its products through national retailers, distributors, and resellers, as well as directly through its sales force and Web site in the United States and internationally. The company was founded in 1989 and is headquartered in Austin, Texas.

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57. Company: Avista Corp. (AVA)

Avista Corporation, together with its subsidiaries, engages in the generation, transmission, and distribution of energy in the United States and Canada. The company operates in four segments: Avista Utilities, Energy Marketing and Resource Management, Advantage IQ, and Other. Avista Utilities segment generates, transmits, and distributes electricity, as well as distributes natural gas. This segment also engages in the wholesale purchase and sale of electricity and natural gas. As of December 31, 2006, it provided retail electric service to approximately 345,000 customers; and retail natural gas service to approximately 304,000 customers. Energy Marketing and Resource Management segment engages in electricity and natural gas marketing, trading, and resource management businesses, as well as trades in derivative commodity instruments, including futures, options, swaps, and other contractual arrangements. This segment also offers natural gas services to end-user industrial and commercial customers. Advantage IQ segment provides facility information and cost management services for multisite customers. Its services include consolidated billing, resource accounting, energy analysis, and load profiling services. Other segment involves in custom sheet metal fabrication of electronic enclosures, parts, and systems for the computer, telecom, and medical industries. This segment also invests in real estate properties primarily commercial office buildings; and venture capital funds and low income housing. The company was founded in 1889 and is headquartered in Spokane, Washington.

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58. Company: Enova Systems Inc. (ENA)

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59. Company: Fuel Systems Solutions, Inc. (FSYS)

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60. Company: KEMET Corp. (KEM)

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61. Company: Maxwell Technologies Inc. (MXWL)

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62. Company: Quantum Fuel Systems Technologies Worldwide Inc. (QTWW)

Quantum Fuel Systems Technologies Worldwide, Inc., an integrated alternative energy company, engages in the development and production of propulsion systems, energy storage technologies, and alternative fuel vehicles. The company designs, manufactures, and supplies packaged fuel and battery systems for use in fuel cell, hybrid, hydrogen, and alternative fuel vehicles. Its portfolio of technologies includes advanced lithium-ion battery systems, electronic controls, hybrid electric drive systems, hydrogen storage and metering systems, and alternative fuel technologies that enable fuel efficient, low emission hybrid, plug-in hybrid electric, fuel cell, and alternative fuel vehicles. The company's powertrain engineering, system integration, vehicle manufacturing, and assembly capabilities provide fast-to-market solutions to support the production of hybrid and plug-in hybrid, hydrogen-powered hybrid, fuel cell, alternative fuel, and specialty vehicles, as well as modular and transportable hydrogen refueling stations. Quantum's customer base includes automotive original equipment manufacturers, dealer networks, fleets, aerospace industry, military, and other government entities. The company operates in the United States, Canada, Japan, Germany, and Norway. Quantum has strategic alliance with AM General, General Motors, Sumitomo Corporation, and Unique Performance, Inc. The company was founded in 2000 and is headquartered in Irvine, California. ========================================================================================================

63. Company: Ultralife Batteries Inc. (ULBI)

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64. Company: Valence Technology Inc. (VLNC)

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65. Company: Ballard Power Systems Inc. (BLDP)

Ballard Power Systems, Inc. engages in the design, development, manufacture, and sale of proton exchange membrane (PEM) fuel cells. It operates in three segments: Power Generation, Automotive, and Material Products. Power Generation segment offers PEM fuel cell products and services for the residential co-generation, materials handling, and back-up power markets. Automotive segment provides PEM fuel cell products and services for fuel cell vehicles. Material Products segment designs, develops, manufactures, and sells carbon fiber products primarily to automotive manufacturers for automotive transmissions; and gas diffusion layer materials for the PEM fuel cell industry. The company has operations primarily in the United States, Canada, Japan, and Germany. Ballard Power Systems was founded in 1979 as Ballard Research, Inc. and changed its name to Ballard Power Systems, Inc. The company is headquartered in Burnaby, Canada.

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66. Company: Hoku Scientific, Inc. (HOKU)

Hoku Scientific, Inc., a materials science company, provides materials and components for the generation of electricity from clean energy technologies in the United States and internationally. It designs, develops, and manufactures membrane electrode assemblies (MEAs) and membranes for proton exchange membrane fuel cells, as well as develops custom monomers and polymers for MEAs. The company also develops photovoltaic (PV) modules for solar power systems; and polysilicon, a primary raw material used to manufacture PV modules. Hoku Scientific offers its products and services for the residential primary power, commercial back-up, and automotive hydrogen fuel cell markets. The company was incorporated in March 2001 under the name Pacific Energy Group, Inc. and changed its name to Hoku Scientific, Inc. in July 2001. Hoku Scientific is headquartered in Kapolei, Hawaii. ========================================================================================================

67. Company: Hydrogenics Corp. (HYGS)

Hydrogenics Corporation develops and provides hydrogen and fuel cell products and services. The company's OnSite Generation segment offers hydrogen generation products that produce, compress, store, and dispense hydrogen for industrial hydrogen and energy applications. Its products include the HySTAT Generator for producing continuous or batch supplies of hydrogen for industrial processing applications; HySTAT Refueling Station to refuel hydrogen-powered vehicles; and HySTAT Energy Station that includes stationary hydrogen-fueled power generation. Hydrogenics' Power Systems segment offers products based on proton exchange membrane technology and use hydrogen as a fuel to provide electrical power for use in stationary and light mobility applications. Its products include HyPM Fuel Cell Power Modules that produces direct current (DC) power in standard outputs; HyPX Fuel Cell Power Pack comprising HyPM power module integrated with hydrogen storage tanks and ultracapacitors that provide higher power in short bursts; and Integrated Fuel Cell Systems for portable and stationary applications, including portable and auxiliary power units for military applications and DC backup power system for cellular tower sites. This segment also offers engineering development services. The company's Test Systems segment offers products that stimulates, monitors, and controls effect of variables, such as power load, temperature, pressure, humidity, and potential contaminants on a fuel cell, as well as measures the effect of changes in these variables on fuel cell performance. It offers FCATS Test Stations that perform testing and diagnostic functions; and testing and diagnostic services. Hydrogenics has operations in North America, Europe, and Asia. The company was founded in 1988 as Traduction Militech Translation, Inc. It changed its name to Hydrogenics Corporation Incorporated in 1990; and to Hydrogenics Corporation in 2000. The company is headquartered in Mississauga, Canada. ========================================================================================================

68. Company: IdaCorp, Inc. (IDA)

IDACORP, Inc., through its primary subsidiary, Idaho Power Company, engages in the generation, transmission, distribution, sale, and purchase of electric energy in the United States. It owns and operates 17 hydroelectric generation developments, 2 natural gas-fired plants, and a diesel-powered generator, as well as shares ownership in 3 coal-fired generating plants. The company has coal-fired plants in Wyoming, Oregon, and Nevada. Its service territory covers 24,000 square mile area in southern Idaho and eastern Oregon. As of December 31, 2006, the company supplied electric energy to approximately 472,000 general business customers in food processing, electronics and general manufacturing, forest product production, beet sugar refining, and the skiing industries. It had a network of approximately 4,629 miles of high-voltage transmission lines, 23 step-up transmission substations located at power plants, approximately 63,949 miles of distribution lines, 20 transmission substations, 8 switching stations, and 222 energized distribution substations. IDACORP, through other subsidiaries, invests in housing and other real estate properties in the United States, Puerto Rico, and the U.S. Virgin Islands; and has a 50% interest in 9 hydroelectric plants with a generating capacity of 45 MW in Idaho and northern California. The company was founded in 1915 and is based in Boise, Idaho.

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69. Company: Mechanical Technology Inc. (MKTY)

Mechanical Technology Incorporated, through its subsidiaries, designs, manufactures, and sells test and measurement instruments and systems in North America. The company has three product groups: general dimensional gauging, semiconductor, and aviation. Its general dimensional gauging products include Accumeasure Family, a precision capacitive gauging system offering nanotechnology accuracy; MTI-2100 Fotonica Sensor Series, a fiber-optic based vibration sensor systems with high frequency response; Microtraka II, a high speed laser sensor systems. The company's semiconductor products include Proforma AutoScan 200, an automated wafer characterization system for measuring thickness, total thickness variation (TTV), bow, warp, bulk resistivity, site, and global flatness; Proforma 200SA/300SA, a semi-automated, full wafer surface scanning system; and Proforma 300/300G, a manual, non-contact measurement system. Its aviation products comprise PBS-4100 Portable Plus Balancing System, which detects if an engine has a vibration problem or a trim balance problem and provides a solution; PBS-4100R Test Cell Vibration Analysis & Trim Balance System that offers trim balancing and diagnostic features for engine test cells; and PBS-3300, a compact balancing and vibration system for use in mobile test cells and distributed test stands. The company also develops and commercializes cord-free rechargeable power pack technology for portable electronics. It offers a direct methanol fuel cell technology called Mobion, which generates electrical power using methanol as fuel. Mechanical Technology Incorporated offers its products primarily to various other companies in the computer, electronic, semiconductor, automotive, aerospace, commercial and military aviation, aircraft, data storage, bioengineering, and consumer electronics fields. It sells its products through sales representatives and distributors. The company was founded in 1961 and is headquartered in Albany, New York.

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70. Company: Medis Technologies Ltd. (MDTL)

Medis Technologies, Ltd., through its subsidiaries, engages in the design, development, and marketing of liquid fuel cell products for mobile handset and portable consumer electronics markets. It offers 24/7 Power Pack, a disposable power source capable of providing direct power or multiple recharges to portable electronic devices, such as mobile handsets, smart phones, MP3 players, gaming, and other handheld electronic devices. The company also focuses on developing a refuelable Power Pack product for military applications, including a power source for tablet computers. In addition, it focuses on developing and commercializing its other technologies, including the CellScan, a static cytometer or an instrument for measuring reactions of living cells while the cells are in a static state. Medis Technologies has strategic relationships with ASE International, Inc.; Quasar Business Solutions; Northwest Charging Systems, Inc.; Kensington Technology Group; Superior Communications; General Dynamics C4 Systems; ASPECT and Tenzor MA; and Israel Aerospace Industries, Ltd. The company was founded in 1992 and is based in New York, New York.

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71. Company: Millennium Cell Inc. (MCEL)

Millennium Cell, Inc. develops hydrogen batteries for use primarily in portable electronic devices for the military, medical, industrial, and consumer markets. The hydrogen batteries comprise a fuel cell and hydrogen fuel cartridge technology. The fuel blends used in the hydrogen battery technology are comprised of a combination of water, sodium borohydride, and other chemicals. The hydrogen produced by its hydrogen fuel cartridge technology is converted into electricity by a fuel cell. The company develops the technology in partnership with corporate and government entities. It also licenses its fuel cartridge technology to fuel cell manufacturers, original equipment manufacturers, and other product-focused entities. The company has a strategic relationship with The Dow Chemical Company to collaborate on the design, development, and commercialization of proton exchange membrane fuel cell power systems and compatible Hydrogen on Demand fuel cartridges for use in portable electronic devices; and with Horizon Fuel Cell Technologies Pte, Ltd. focused on the commercialization of fuel cell based power products. Millennium Cell was founded in 1998 and is based in Eatontown, New Jersey.

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72. Company: Plug Power Inc. (PLUG)

Plug Power, Inc., together with its subsidiaries, engages in the design, development, and manufacture of on-site energy systems for energy consumers worldwide. It focuses on platform-based systems, which include proton exchange membrane, fuel cell, and fuel processing technologies. The company offers GenCore product, which provides direct-current back-up power for telecommunication, broadband, utility, and industrial uninterruptible power supply market applications. It is also developing GenSys product, which offers remote continuous power for light commercial and residential applications; and prototype fuel cell systems that provide electricity and heat to a home or business, as well as hydrogen fuel for a fuel cell vehicle. The company's customers include telecommunications companies, utilities, government entities, and distribution partners. It has strategic partnerships with Honda R&D Co Ltd. of Japan; Vaillant GmbH; General Electric Company; Engelhard Corporation; and Pemeas. The company was founded in 1997 and is based in Latham, New York.

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73. Company: Essential Innovations Technology Corp. (ESIV.OB)

Essential Innovations Technology Corp., through its subsidiaries, engages in the manufacture, installation, and distribution of geo exchange heat products and technology primarily in North America and western Canada. Its system provides heating, cooling, and dehumidification, as well as domestic hot water production systems for residential, commercial, and industrial applications. The company also provides design, engineering, installation, service, and maintenance services to the residential, commercial, industrial, and institutional geoexchange project applications. Essential Innovations Technology Corp. was founded in 2001 and is headquartered in Bellingham, Washington.

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74. Company: Ormat Technologies Inc. (ORA)

75. Company: Fresh Harvest Products, Inc. (FRHV.OB)

Fresh Harvest Products, Inc., a development stage company, engages in the wholesale and retail of organic food products in the United States. Its products include health bars, such as almond raisin bars, cranberry crunch bars, nutty and sweet bars, and mix nuts; health drinks, including energy drinks and other fruit based beverages; and harvest market basket products, such as olive oils, tortilla chips, salsa, and coffee. The company offers its products under the Artisan Cafe, Fresh Harvest, and Wings of Nature brand names. Fresh Harvest Products, Inc. was founded in 2003 and is based in New York, New York.

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76. Company: Appliance Recycling Centers of America Inc. (ARCI)

Appliance Recycling Centers of America, Inc. and its subsidiaries provide reverse logistics, energy conservation, and recycling services for household appliances in the United States. The company, through its retail outlets, offers special-buy household appliances, including manufacturer closeouts, factory overruns, floor samples, returned or exchanged items, open-carton items, and scratch and dent appliances. The company also provides recycling services on a credit basis to appliance retailers and electric utilities. It serves appliance manufacturers and retailers, utilities, waste haulers, vending machine companies, residential property managers, and the general public. As of March 31, 2007, the company operated 15 retail stores, including 5 in the Minneapolis, Minnesota; 4 in the Atlanta, Georgia; 3 in the Columbus, Ohio; 2 in the San Antonio, Texas; and 1 in Compton, California. Appliance Recycling Centers of America was founded in 1976 and is headquartered in Minneapolis, Minnesota

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77. Company: Converted Organics Inc (COIN)

Converted Organics, Inc., a development stage company, intends to manufacture, sell, and distribute natural soil amendment products combining nutritional and disease suppression characteristics. It uses organic food waste as raw material to manufacture soil amendment products. Converted Organics plans to sell and distribute these products in the agribusiness, turf management, and retail markets. The company was founded in 2003 and is headquartered in Boston, Massachusetts.

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78. Company: Kadant Inc. (KAI)

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79. Company: Akeena Solar, Inc. (AKNS)

Akeena Solar, Inc. engages in the design, integration, installation, marketing, and sale of solar power systems for residential and small commercial customers in the United States. It focuses on the design and integration of grid-tied solar power systems, which are electrically connected to the utility grid so that excess energy produced during the day flows backwards through the utility's electric meter. The company serves commercial customers, including schools, and housing and owner occupied businesses consisting of wineries and small commercial offices, as well as residential customers, including high-income professionals. Akeena Solar, Inc. sells its products through print, Web, and radio advertisements, as well as through participation in industry trade shows, individual consultations with prospective customers, and sales force. The company was founded in 2001 and is headquartered in Los Gatos, California.

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80. Company: Altair Nanotechnologies Inc. (ALTI)

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