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12 peers
CLIR   WA, United States
Pollution & Treatment Controls

ClearSign Technologies Corporation designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States. Its Duplex Plug & Play technology provides a direct burner replacement solution for traditional refinery heaters. The company was formerly known as ClearSign Combustion Corporation and changed its name ClearSign Technologies Corporation in November 2019. ClearSign Technologies Corporation was founded in 2008 and is headquartered in Seattle, Washington.

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CLWT   Hong Kong
Pollution & Treatment Controls

Euro Tech Holdings Company Limited distributes water treatment equipment, laboratory instruments, analyzers, test kits and related supplies, and power generation equipment to commercial customers, and governmental agencies in Hong Kong and the People's Republic of China. The company operates in two segments, Trading and Manufacturing, and Engineering. It sells analytical instruments, such as chromatographs, mass spectrometers, flow injector analyzers, automated sample preparation workstations, and atomic spectrometers; environmental monitoring instruments comprising air and water quality monitoring instruments; sample pre-treatment equipment; and general purpose laboratory instruments consisting of water quality monitoring and analysis equipment. The company also distributes general testing and measuring equipment comprising multi-channel digital and analogue recorders, signal amplifiers, and calibration equipment for energy conservation, renewable energy equipment, power quality analyzers, and continuous emissions monitoring systems; and air pollution control systems to power plants, railway and aero-space industries, utilities, educational institutions, and telecommunications companies. In addition, it offers process control systems, including sensors, temperature gauges, pressure gauges, power and energy consumption meters, flow meters, valves, temperature and pressure transmitters and control devices, and temperature and pressure calibrators, as well as moisture, power, energy, and harmonic analyzers; systems engineering services; and maintenance, installation assistance, and calibration services. Further, the company distributes programmable logic controllers, telemetry units, and supervisory control and data acquisition systems and software; and designs, operates, and manages various waste-water, water, and power generation projects. It also sell its products through Website. The company was founded in 1971 and is headquartered in Hong Kong, Hong Kong.

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AQUA   PA, United States
Pollution & Treatment Controls

Evoqua Water Technologies Corp. provides water and wastewater treatment systems and technologies, and mobile and emergency water supply solutions and services for industrial, commercial, and municipal water treatment markets. It operates in two segments, Integrated Solutions and Services, and Applied Product Technologies. The Integrated Solutions and Services segment offers capital systems and related recurring aftermarket services, parts, and consumables, as well as long-term and short-term service contracts, and emergency services for treating industrial process water, utility water, and wastewater. This segment also provides odor and corrosion control services for municipalities. It serves healthcare, pharmaceutical, light manufacturing, microelectronics, food and beverage, and power and chemical processing industries. The Applied Product Technologies segment offers advanced filtration and separation products, such as VAF self-cleaning filters, Ionpure technologies, and Vortisand systems; wastewater treatment technologies, including the BioMag systems, clarification systems, and odor control and sludge management solutions; disinfection solutions from chlorine to ultraviolet light and ozone technologies; electrocatalytic and materials, which include electro chlorination, cathodic protection, and anode products; and aquatics technologies and solutions. This segment serves recreational and commercial pool market. The company has operations in the United States, Canada, the United Kingdom, the Netherlands, Germany, Australia, China, Singapore, Korea, and India. Evoqua Water Technologies Corp. was incorporated in 2013 and is headquartered in Pittsburgh, Pennsylvania.

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ADES   CO, United States
Pollution & Treatment Controls

Advanced Emissions Solutions, Inc., together with its subsidiaries, provides emission reduction technologies and specialty chemicals in the United States. It operates through two segments, Refined Coal; and Power Generation and Industrials. The company offers CyClean technology, a pre-combustion coal treatment process to enhance combustion, as well as to reduce emissions of nitrogen oxide and mercury from coals burned in cyclone boilers; and M-45 and M-45-PC technologies, which are pre-combustion coal treatment technologies used to control emissions from circulating fluidized bed boilers and pulverized coal boilers. It also provides powdered activated carbon, granular activated carbon, coal additives, and scrubber additives, as well as owns an associated lignite mine that supplies the raw material for the powdered activated carbon plant. The company serves customers in the coal-fired power generation and industrial boiler processes, as well as drinking water and wastewater treatment markets. Advanced Emissions Solutions, Inc. was founded in 1996 and is headquartered in Greenwood Village, Colorado.

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NEWA   Shandong, China
Pollution & Treatment Controls

Newater Technology, Inc. operates as a wastewater purification treatment company in the People's Republic of China. The company focuses on the development, manufacture, and sale of disk tube reverse osmosis and disk tube Nano-filtration membrane filtration products that are used in the treatment, recycling, and discharge of wastewater. It also offers engineering support and installation, technical advice and service, and other project-related solutions to turn wastewater into clean water. In addition, the company offers landfill leachate treatment and purification services; and traditional wastewater treatment solutions, such as activated carbon and resins. It primarily serves energy, garbage and waste, and chemical industries. Newater Technology, Inc. was founded in 2012 and is headquartered in Yantai, the People's Republic of China.

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CECE   TX, United States
Pollution & Treatment Controls

CECO Environmental Corp. provides industrial air quality and fluid handling systems for the energy, industrial, and other markets worldwide. The company operates through three segments: Energy Solutions, Industrial Solutions, and Fluid Handling Solutions. The company engineers, designs, builds, and installs systems that capture, clean, and destroy airborne contaminants from industrial facilities, as well as equipment that control emissions from such facilities; and fluid handling and filtration systems. Its products and services include dampers and diverters, selective catalytic reduction and selective non-catalytic reduction systems, cyclonic technology, thermal oxidizers, filtration systems, scrubbers, and fluid handling equipment, as well as plant engineering services and engineered design build fabrication. The company markets its products and services to natural gas processors, transmission and distribution companies, refineries, power generators, boiler manufacturers, compressor manufacturers, metals and minerals, industrial manufacturing, and engineering and construction companies. CECO Environmental Corp. was founded in 1966 and is headquartered in Dallas, Texas.

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FTEK   IL, United States
Pollution & Treatment Controls

Fuel Tech, Inc. provides boiler optimization, efficiency improvement, and air pollution reduction and control solutions to utility and industrial customers worldwide. It operates through Air Pollution Control Technology and FUEL CHEM Technology segments. The Air Pollution Control Technology segment offers technologies to reduce nitrogen oxide (NOx) emissions in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources, which includes low and ultra-low NOx burners; over-fire air systems; NOxOUT and HERT selective non-catalytic reduction systems; advanced selective catalytic reduction systems comprising ULNB, OFA, and SNCR components, as well as downsized SCR catalyst, Ammonia Injection Grid, and Graduated Straightening Grid systems; NOxOUT CASCADE and NOxOUT-SCR processes; ULTRA technology; and flue gas conditioning systems. The FUEL CHEM Technology segment provides programs to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units by controlling slagging, fouling, corrosion, opacity, and acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter, sulfur dioxide, and carbon dioxide through the addition of chemicals into the furnace using TIFI targeted in-furnace injection technology. This segment offers its FUEL CHEM program for plants operating in the electric utility, industrial, pulp and paper, waste-to-energy, university, and district heating markets, as well as to the owners of boilers, furnaces, and other combustion units. The company was founded in 1987 and is headquartered in Warrenville, Illinois.

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BHTG   NY, United States
Pollution & Treatment Controls

BioHiTech Global, Inc., through its subsidiaries, provides technological, biological, and mechanical engineering solutions for the control, reduction, and/or reuse of organic and municipal waste worldwide. Its suite of technologies includes on-site biological processing equipment for food waste, patented processing facilities for the conversion of municipal solid waste into renewable fuel, and proprietary real-time data analytics tools to reduce food waste generation. The company also markets Revolution Series Digesters, an aerobic digestion technology solution for the disposal of food waste at the point of generation; and High Efficiency Biological Treatment Resource Recovery Technology to process waste at the municipal or enterprise level. In addition, it offers BioHiTech Cloud and Cirrus mobile applications for digester customers. Its principal customers include producers of food waste. The company serves healthcare, grocery, prison, retail food service, and hospitality industries, as well as food distributors, governments, conference centers, municipalities and academic institutions, stadiums. BioHiTech Global, Inc. is headquartered in Chestnut Ridge, New York.

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ERII   CA, United States
Pollution & Treatment Controls

Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and markets various solutions for industrial fluid flow markets worldwide. The company operates through Water, and Oil & Gas segments. The Water segment designs, engineers, manufactures, and supplies various energy recovery devices (ERDs), including positive displacement isobaric ERDs and centrifugal-type ERDs; manufactures and supplies specialized high-pressure feed and circulation pumps that are used in the reverse osmosis desalination process; and provides various spare parts and repair, and field services, as well as engages in the various commissioning activities. It serves large engineering, procurement, and construction (EPC) firms; original equipment manufacturers (OEMs); and end-users and service providers. The Oil & Gas segment provides VorTeq, a solution for hydraulic fracturing applications; MTeq, a solution for mud pumping applications; and IsoBoost and IsoGen turbocharger solutions for gas processing and pipeline applications. It serves oilfield service companies, international and national oil companies, exploration and production companies, OEMs, and EPC firms. Energy Recovery, Inc. was founded in 1992 and is headquartered in San Leandro, California.

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FSS   IL, United States
Pollution & Treatment Controls

Federal Signal Corporation, together with its subsidiaries, designs, manufactures, and supplies a suite of products and integrated solutions for municipal, governmental, industrial, and commercial customers in the United States, Canada, Europe, and internationally. It operates through two segments, Environmental Solutions Group, and Safety and Security Systems Group. The Environmental Solutions Group segment offers a range of street sweeper vehicles, sewer cleaner, vacuum loader and safe-digging trucks, hydro-excavation trucks, water blasting equipment, dump truck bodies, and trailers under the Elgin, Vactor, Guzzler, Westech, TRUVAC, Jetstream, Ox Bodies, Crysteel, J-Craft, Duraclass, Rugby, and Travis brand names. It also offers refuse and recycling collection vehicles, camera systems, ice resurfacing equipment, and snow-removal equipment. In addition, this segment engages in the sale of parts, service and repair, equipment rental, and training activities. The Safety and Security Systems Group segment provides systems and products for community alerting, emergency vehicles, first responder interoperable communications, and industrial communications. Its products include vehicle lightbars and sirens, industrial signaling equipment, public warning systems, general alarm systems, public address systems, and public safety software. This segment sells its products under the Federal Signal, Federal Signal VAMA, and Victor brand names. The company sells its products through wholesaler, distributor, independent manufacturer representative, original equipment manufacturer, and direct sales force, as well as independent foreign distributor. Federal Signal Corporation was founded in 1901 and is headquartered in Oak Brook, Illinois.

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LIQT   Capital, Denmark
Pollution & Treatment Controls

LiqTech International, Inc., a clean technology company, designs, develops, produces, markets, and sells automated filtering systems, and ceramic silicon carbide liquid and diesel particulate air filters in the United States, Canada, Europe, Asia, and South America. The company manufactures and sells ceramic silicon carbide membranes and systems for liquid filtration under the LiqTech, Cometas, and Provital brand names, which are used for the filtration of produced water, pre-filtration of reverse osmosis drinking water, industrial applications, producing clean drinking water, and pool and spa water, as well as marine scrubber wash water. It also offers diesel particulate filters for exhaust emission control solutions to the verified retrofit and the original equipment manufacturer market; and plastics, which provide machined and welded plastic parts for the prepress, UV, and aquaculture market segments. LiqTech International, Inc. sells its products primarily to industrial customers through direct sales, systems integrators, distributors, agents, and partners. The company was formerly known as Blue Moose Media, Inc. and changed its name to LiqTech International, Inc. in October 2011. LiqTech International, Inc. was founded in 2004 and is headquartered in Ballerup, Denmark.

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TOMZ   CA, United States
Pollution & Treatment Controls

TOMI Environmental Solutions, Inc. provides disinfection and decontamination products and services for indoor and outdoor surface, and air decontamination in the United States and internationally. The company's products and services include SteraMist Surface Unit, a point and spray disinfection/decontamination system; SteraMist Environment System, a system that provides room disinfection/decontamination of a sealed space up to 103.8 m3; and The SteraMist Hospital Disinfection Cart, a solution to aid its hospital-healthcare customers in providing the quality of care and safety to their patients by disinfecting patient and operating rooms, pharmacies, ambulances, and emergency environments in a hospital or healthcare facility. Its products and services also comprise SteraMist Select Surface Unit; Stainless Steel 90-Degree Applicator; SteraMist Permanent iHP Complete Disinfection Room, an automated system that is plumbed utilizing the facilities' existing HVAC system; and iHP Plasma Decontamination Chamber. In addition, the company offers full room, equipment, facility, and emergency disinfection/decontamination services. It manufactures, sells, services, and licenses SteraMist Binary Ionization Technology, a hydrogen peroxide-based mist and fog. The company's products and services are used in pharmaceutical companies, clean rooms, hospitals and medical facilities, ambulances, bio-safety labs, tissue labs, vivariums, research universities, military and government agencies, office buildings, schools, athletic facilities, single-family homes and multi-unit residences, cruise ships, schools, and entertainment establishments; patient medical transport airline, hospitality, transportation industries; and cannabis market. TOMI Environmental Solutions, Inc. was incorporated in 1979 and is headquartered in Beverly Hills, California.

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