ADA-ES, Inc. provides environmental technologies and specialty chemicals to the coal-burning utility industry in the United States. The company supplies powdered activated carbon injection systems, mercury measurements, and services related to emission control for coal-fired boilers used in electric generation. It also processes and manufactures activated carbon (AC) and interim sources of AC for mercury control applications. The company, through a joint venture with NexGen Refined Coal, LLC, also engages in the development and marketing of refined coal technology that reduces emissions of nitrogen oxides and mercury from certain treated coals.Further, it sells flue gas conditioning equipment and chemicals, and other chemicals and technologies for coal-fired boilers, as well as offers consulting services that assist utilities in planning and implementing strategies to meet new government emission standards requiring reductions in sulfur dioxide, nitrogen oxide, particulates, and mercury. Additionally, the company is developing technologies for power plants to address issues related to the emissions of carbon dioxide. ADA-ES, Inc. was founded in 1996 and is based in Littleton, Colorado.

Bion Environmental Technologies, Inc., through its subsidiaries, focuses on the development of its waste management technology, which provides environmental solutions to agriculture industry in the United States. The company provides solutions for environmentally sound clean-up of the waste streams of large-scale confined animal feeding operations, and for integration of renewable energy production, ethanol production, sustainable animal husbandry, and organic soil/fertilizer and feed production. It intends to design, construct, and operate a Bion system to treat the waste of the dairy cows, including milkers, dry cows, and heifers at the Kreider Dairy, located in Mannheim, Pennsylvania. The company was founded in 1987 and is based in New York, New York.

CECO Environmental Corp. provides air pollution control products and services primarily in the United States. It engineers, designs, builds, and installs systems that capture, clean, and destroy contaminants from industrial facilities; and equipment that controls emissions from industrial facilities. The company operates in four divisions: Contracting, Equipment, Components/Parts, and Engineering/Design. The Contracting division offers dust collectors, oil mist collectors, chip conveyance systems, air houses, and conveyors, as well as engages in custom sheet metal fabrication.The Equipment division provides regenerative thermal oxidation, catalytic and thermal oxidation, and selective and regenerative catalytic reduction solutions; and dampers, expansion joints, fiber-bed filter mist collectors, catenary grid and narrow gap, replacement filters, repack services, heavy duty air handling and conditioning solutions, fume exhaust systems, air-curtain hoods, strip/coil coolers and dryers, pulsejet bag houses, reverse air bag houses, pulsejet cartridge and fabric filters, flue gas coolers, exhaust treatment systems, and foundry sand reclamation equipment. It also offers industrial and FCC cyclones, air classifiers, scrubbers, electrostatic precipitators, medial filtration, and pneumatic conveying and industrial ventilation solutions.The Components/Parts division offers component parts for industrial air systems and clamp-together componentized ducting systems. The company serves aerospace, brick, cement, ceramics, metalworking, ethanol, printing, paper, food, foundries, power plants, metal plating, woodworking, chemicals, glass, tobacco, automotive, ethanol, and pharmaceutical industries. CECO Environmental Corp. was founded in 1966 and is headquartered in Cincinnati, Ohio.

PURE Bioscience engages in the development and commercialization of silver ion bioscience technologies principally in the United States. The company offers silver dihydrogen citrate-based antimicrobials. The silver dihydrogen citrate technology is an electrolytically generated source of stabilized ionic silver that would serve as the basis for various products in diverse markets. It also provides Axen and Axen30 hard surface disinfectant products for commercial, industrial, and consumer applications, including restaurants, homes, and medical facilities. PURE Bioscience sells its products to retail, commercial, and institutional customers through distributors. The company was founded in 1992 and is headquartered in El Cajon, California.

Donaldson Company, Inc., together with its subsidiaries, engages in the manufacture and sale of filtration systems and replacement parts worldwide. The company operates in two segments, Engine Products and Industrial Products. The Engine Products segment offers air filtration systems, exhaust and emissions systems, liquid filtration systems, and replacement parts. This segment serves independent distributors, original equipment manufacturers (OEMs) dealer networks, private label accounts, and equipment fleets, as well as OEMs in the construction, mining, agriculture, aerospace, defense, and truck markets.The Industrial Products segment provides dust, fume, and mist collectors; compressed air purification systems; liquid filters and parts; air filter systems; PTFE membrane and laminates; and specialized air filtration systems for a range of applications, including computer hard disk drives. This segment sells its products to various industrial end-users, OEMs of gas-fired turbines, and OEMs and end-users requiring clean air. Donaldson Company, Inc. was founded in 1915 and is based in Minneapolis, Minnesota.

Duoyuan Global Water Inc. is a leading China-based water treatment equipment supplier. Since our inception in 1992, we have been continuously researching and developing advanced technologies and products for water treatment. By leveraging our in-house research and development team, we continue to make great efforts to supply advanced water treatment equipment for a broad base of end users throughout China, including residential, industrial and commercial activities.Our philosophy is roughly translated to mean “Established in the Market and Innovate from the Heart.” We at Duoyuan pursue continuous technological improvements to provide our customers excellent product quality and service. We have complied with the ISO9001 Quality Certification since 1996 and the ISO 14001 Environmental Certification since 1999. We have also adopted advanced international management systems and implemented Six Sigma methodology, achieving higher efficiency and further enhancing customer satisfaction. With the technology, quality, service and innovation, we have become a leading supplier in the industry in terms of manufacturing technology, product quality and production capacity.

Energy Recovery, Inc. engages in the design, development, manufacture, and sale of energy recovery devices for sea water reverse osmosis desalination worldwide. The company markets its energy recovery devices under the ERI, PX, Pressure Exchanger, and PX Pressure Exchanger trademarks. It serves engineering and construction firms, and original equipment manufacturers. Energy Recovery, Inc. was founded in 1992 and is headquartered in San Leandro, California.

Euro Tech Holdings Company Limited, through its subsidiaries and associated companies, engages in marketing and trading air, water, and waste water related process control, analytical, and testing instruments, as well as disinfection equipment and related automation systems. The company distributes a range of advanced air and water pollution control equipment, chlorination equipment, laboratory instruments, analyzers, test kits, and related supplies; and power generation related equipment, including recorders and power quality analyzers.It also manufactures air and water analytical instruments and testing equipment, as well as undertakes air, water, and waste-water treatment engineering projects. Euro Tech primarily sells its products through its retail shops and representative offices, as well as through independent sub-distributors to commercial customers, governmental agencies, or instrumentalities in Hong Kong, the People’s Republic of China, and Macau. The company was founded in 1971 and is headquartered in Hong Kong, Hong Kong.

Fuel Tech, Inc. provides engineering solutions for the optimization of combustion systems in utility and industrial applications worldwide. It offers boiler optimization, and air pollution reduction and control solutions. The company operates in two segments, Air Pollution Control Technologies and FUEL CHEM Technologies. The Air Pollution Control Technologies segment includes the NOxOUT, NOxOUT CASCADE, GSG, NOxOUT ULTRA and NOxOUT-SCR processes, which reduce NOx emissions in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources. The FUEL CHEM Technologies segment uses chemical processes to control slagging, fouling, corrosion, opacity, acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter, carbon dioxide, and NOx in furnaces and boilers through the addition of specialty chemicals into the fuel or via TIFI Targeted In-Furnace Injection programs. It distributes its products through its direct sales force, licensees, and agents. The company was formerly known as Fuel Tech N.V. Fuel Tech, Inc. was founded in 1987 and is headquartered in Warrenville, Illinois.

N-Viro International Corporation owns and licenses N-Viro Process, a patented technology to treat and recycle wastewater and other bio-organic wastes, utilizing certain alkaline and mineral by-products produced by the cement, lime, electric utilities, and other industries in the United States. Its N-Viro Process stabilizes and pasteurizes the wastewater sludge, reduces odors to various levels, and neutralizes or immobilizes toxic components. This process generates N-Viro Soil, a product which has a granular appearance similar to soil and has various commercial uses, including agricultural lime, soil enrichment, top soil blend, landfill cover and capping, and land reclamation. The company also offers N-Viro Fuel, a patented biomass alternative energy fuel. It manages N-Viro Process facilities under contracts. The company was founded in 1979 and is based in Toledo, Ohio.

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