Calgon Carbon Corporation is a Pittsburgh, Pennsylvania based company that manufactures and markets products that remove contaminants and odors from liquids and gases, both for industrial, municipal, and consumer markets. Calgon Carbon's product lines typically use activated carbon in various forms, UV light technology, or ion exchange technology, and the company is the largest producer of granular activated carbon (GAC) in the world. The company also offers reactivation services, wherein activated carbon can be recycled.

Hitachi Zosen Corp. engages in the design and construction of environmental systems, industrial plants, industrial machinery, process and infrastructure-related equipment, disaster prevention systems, and precision machinery. It operates through the following segments: Environment, Machinery and Infrastructure, and Other. The Environment segment manages recycling facilities, water and sludge treatment facilities, power generation equipment, biomass utilization systems, and seawater desalination plants. The Machinery and Infrastructure segment offers marine motors and machineries, denitrification catalysts, pressure vessels, plastic machineries, food machineries, pharmaceutical machineries, electronics and control systems, and disaster prevention systems. The Other segment includes transportation, warehousing, and cargo handling businesses. The company was founded by Edward H. Hunter on April 1, 1881 and is headquartered in Osaka, Japan.

AMCOL International engages in the development and application of minerals, technology products, and services to various industrial and consumer markets. The company’s performance materials segment mines, processes, and distributes bentonite and bentonite-related products, chromite, and leonardite for use in various markets, including metal casting, pet care, laundry care, and drilling industries. This segment offers blended mineral binders and organic additives. The company provides performance materials for metalcasting, household and personal care, specialty materials, and basic minerals. They also provide construction technologies such as lining, remediation, building materials, and drilling products. The Energy Services segment of the firm is creating new ways to improve cost-efficient energy production that offers a wide range of technologies, products, and services for all phases of oil and gas production throughout the world. The transportation segment is a strategic resource in supporting customers with domestic rail, trucking, and ocean transportation services around the world. AMCOL International is a U.S.-based company that was founded in 1927.

Phillips 66 engages in the processing, transportation, storage, and marketing of fuels and other related products. The company operates through the following segments: Midstream, Chemicals, Refining and Marketing & Specialties. The Midstream segment provides crude oil and refined products transportation, terminaling and processing services, as well as natural gas, natural gas liquids and liquefied petroleum gas transportation, storage, processing and marketing services. The Chemicals segment produces and markets petrochemicals and plastics on a worldwide basis. The Refining segment Refines crude oil and other feedstocks into petroleum products such as gasoline, distillates and aviation fuels. The Marketing and Specialties segment purchases for resale and markets refined petroleum products such as base oils and lubricants, as well as power generation operations. The company was founded in 1875 and is headquartered in Houston, TX.

Xi'an Thermal Engineering Research Institute Co., Ltd., established on 2001-12-06, Business scope includes thermal power engineering installations,Industrial Process Automatic Control System,Chemical and Materials Engineering,Thermal metrology test,Environmental protection and energy saving and water saving,Technology research and development in the field of new energy power generation,technology transfer,Technical Consulting and Services;Technical Training(System internal staff only);thermal power design;Project contracting and complete equipment;Products in the above related technical fields,Development of equipment and devices,promotion and production,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Kuraray Co., Ltd. engages in the manufacture and sale of functional resins, chemicals, textiles, medical products, and synthetic fibers. It operates through the following segments: Vinyl Acetate, Isoprene, Functional Materials, Fibers and Textiles, Trading, and Others. The Vinyl Acetate segment domestically produces polyvinyl alcohol resin, optical PVA film, and EVAL gas barrier. The Isoprene segment manufactures isoprene, fine chemicals, genestar, septon, liquid rubber, kurarity acrylic thermoplastic elastomer, and others. The Functional Materials segment offers methacrylic resin, clarino, and dental materials in medical business. The Fibers and Textiles segment sells kuralon, polyester staple, kuraflex, hook and loop fasteners, and others. The Trading segment includes importing and exporting as well as the wholesaling of fibers and textiles such as polyester filament and chemicals. The Others segment deals with activated carbon, aqua, and engineering business. The company was founded on June 24, 1926 and is headquartered in Tokyo, Japan.

Taiheiyo Cement Corp. engages in the manufacture and sale of cement. It operates through the following segments: Cement, Mineral Resources, Environmental Business, Construction Materials, and Others. The Cement segment manufactures cement and ready-mixed concrete. The Mineral Resources segment offers mined aggregates and limestone products. The Environmental Business segment deals with the waste recycling and desulfurization materials. The Construction Materials segment consists of concrete products, autoclaved lightweight aerated concrete, and chemicals. The Others segment engages in the business of real estate, engineering, data processing, finance, transportation, warehousing, and sports facilities. The company was founded on May 3, 1881 and is headquartered in Tokyo, Japan.

Datang Environment Industry Group Co., Ltd. engages in the business of environmental protection and energy conservation. It operates through the following business segments: Environmental Protection and Energy Conservation Solutions, Renewable Energy Engineering, Thermal Power Engineering, and Other Businesses. The Environmental Protection and Energy Conservation Solutions segment mainly includes flue gas desulfurization and denitrification facilities concession operation for coal-fired power plants, the manufacture and sale of denitrification catalysts, engineering for coalfired power plants, including the engineering of denitrification, desulfurization, dust removal, ash and slag handling and other environmental protection facilities and industrial site dust management related engineering, water treatment, and energy conservation including energy conservation facilities engineering and energy management contracting. The Renewable Energy Engineering segment includes the engineering general contracting for newly-built wind power plants, biomass power plants and photovoltaic power plants. The Thermal Power Engineering General Contracting segment refers to the engineering procurement construction services for thermal power plants. The Other Businesses segment represents the various businesses such as fiberglass chimney anti-corrosion, air cooling system engineering general contracting and coal yard monitoring system upgrade. The company was founded on July 25, 2011 and is headquartered in Beijing, China.

Produces activated carbon for the mercury emissions control market for coal-fired power plants

Chongqing Kunquan Environmental Engineering Co., Ltd., established on 2002-01-24, Business scope includes waste water,solid waste,Environmental Pollution Control of Noise(Practicing with a qualification certificate),Environmental protection engineering professional contracting level 3,Professional contracting for waterproof, anti-corrosion and thermal insulation engineering,Mechanical and electrical engineering construction general contracting level 3,Construction general contracting level three(Practicing with a qualification certificate),Oil and gas field drilling wastewater,Fracturing Acidification Wastewater,Frac flowback fluid,Oil and gas production field wastewater,Trial Repair Wastewater Treatment,Technical consulting for environmental governance projects,Technical Services,Sales of environmental protection equipment and accessories,water treatment equipment,water treatment chemicals(Free of Hazardous Chemicals),Environmental protection equipment,metallic material,Chemical products and raw materials(Free of Hazardous Chemicals and Class I Precursor Drugs),hardware,AC,Electrical machinery and accessories,Instrumentation,water pump,valve,Labor protection supplies,building materials(Free of Hazardous Chemicals),metallic material;design,Manufacture of special equipment for environmental pollution prevention and control,Water Pollution Prevention and Control Equipment,Development of special pharmaceutical materials for environmental pollution treatment(Free of Hazardous Chemicals),water treatment chemicals(Free of Hazardous Chemicals).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Albemarle Corp. engages in the development, manufacture, and marketing of chemicals for consumer electronics, petroleum refining, utilities, packaging, construction, transportation, pharmaceuticals, crop production, food-safety, and custom chemistry services. It operates through the following business segments: Lithium, Bromine, Catalysts, and All Other. The Lithium segment develops and manufactures basic lithium compounds, including lithium carbonate, lithium hydroxide, lithium chloride, and value-added lithium specialties and reagents. The Bromine segment consists of bromine and bromine-based businesses including products used in fire safety solutions and other specialty chemicals applications. The Catalysts segment contains two product lines: clean fuel technologies, which are primarily composed of hydro processing catalysts, and heavy oil upgrading that is composed of fluidized catalytic cracking catalysts and additives. The All Other segment includes the FCS business. The company was founded in 1993 and is headquartered in Charlotte, NC.

Zhongke Jingtou Environmental Technology Jiangsu Co., Ltd., established on 2015-02-06, Business scope includes environmental protection technology development,technology transfer,Technical Services,technical consulting;Environmental Engineering Design,construction;Environmental testing service;Green facilities,water treatment equipment,Exhaust gas treatment equipment,Research on Solid Waste Treatment Equipment and Parts,design,Manufacturing and sales;Research on Environmentally Friendly Materials,Sales;Engaged in the promotion and service of environmental treatment technologies in the field of mercury pollution prevention and control.(Except for the special regulations of the country for the above projects)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

United States Gypsum Co., part of Gebr. Knauf KG, is a company headquartered in Chicago, IL, that manufactures gypsum based building materials and products.

ConocoPhillips Co. explores, produces, refines, and wholesales oil and natural gas. The company is headquartered in DE.

Mitsubishi Heavy Industries, Ltd. engages in the manufacture and sale of ships, industrial machinery, and aircraft. It operates through the following segments: Energy, Plants and Infrastructure Systems, Logistics, Thermal and Drive Systems, and Aircraft, Defense and Space. The Energy segment handles clean gas and steam power systems, nuclear power systems, compressors, and marine machinery. The Plants and Infrastructure Systems segment deals with commercial ships, engineering, environmental systems, machine tools, and machinery systems. The Logistics, Thermal and Drive Systems segment provides material handling systems, engines, turbo chargers, HVAC systems, and automotive air-conditioners. The Aircraft, Defense and Space segment covers commercial aircraft, defense aircraft, missile systems, naval ships, special vehicles, maritime systems, and space systems. The company was founded by Yataro Iwasaki on July 7, 1884 and is headquartered in Tokyo, Japan.

Guizhou Meiruite Environmental Protection Technology Co., Ltd., established on 2014-01-13, Business scope includes legal,regulations,Those prohibited by the State Council's decision shall not operate;law,regulations,The State Council has decided to allow(approval)of,After approval by the examination and approval authority(approval)file management;law,regulations,The State Council has decided that a license is not required(approval)of,Market entities independently choose to operate.(Environmental engineering professional contracting,Mechanical and Electrical Installation Engineering,Technology development in the field of environmental engineering,transfer,consultation service,Research and development of complete sets of environmental protection equipment,Sales,Environmental technical services for natural crude oil and natural gas extraction industries;Electrical Equipment,Wujinjiaodian,building materials,Environmentally friendly products,Chemical Products(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals)Sales;Wholesale of Adsorbents and Catalysts,Sales and other related supporting services and after-sales service;Environmental Impact Assessment;Environmental Engineering Design,Construction and installation,Machinery and Equipment Rental;Petrochemical Engineering Design,Technical Services,Construction and installation,Machinery and Equipment Rental;Petrochemical plant equipment maintenance and cleaning;Oilfield additives,chemical reagent,Wholesale of chemicals,Sales and other related supporting services and after-sales service(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals);Treatment of oily sludge in oil and gas fields,sludge treatment,Solid waste treatment equipment sales and technical services;Industrial Wastewater Treatment;Technical services related to sewage treatment and sales of sewage treatment equipment;Recycling and Utilization of Renewable Water Resources.(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department))

Guodian Science & Technology Research Institute engages in the commercial physical and biological research. Its business activities are divided into technical services and consulting, environmental pollution control, science and technology research and development, and industrialization. The company was founded on October 22, 2008 and is headquartered in Nanjing, China.

Shenyang Zhongke Environmental Engineering Technology Development Co., Ltd., established on 2011-06-27, Business scope includes environmental engineering technical services,consult,transfer;Metal,Non-metal surface treatment and products,Anticorrosion Technology and Its Software,Corrosion monitoring technology and products,Three wastes treatment equipment and equipment technology and products,Decontamination equipment,Maintenance technology and related products,Research and development of chemical products,technology development,technical consulting,Technical Services,Manufacturing and sales(The above items do not contain flammable and explosive hazardous chemicals);Underground pipe network survey,position,detection,Pipeline Integrity Management;Anti-corrosion engineering,Cathodic Protection Engineering Design,Construction and related technical services;Environmental protection inspection and testing;R&D and manufacturing of intelligent equipment;R&D and manufacturing of robot automation technology;Research and development and transfer of computer software technology;House to rent;Self-operated and agent import and export of various commodities and technologies,Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Shenyang Xindi Environmental Technology Co., Ltd., established on 2018-07-30, Business scope includes environmentally friendly materials,energy saving materials,Research and development of environmental protection and energy-saving equipment,Production,Sales;Environmental Engineering,Ecological governance engineering design,construction;New energy professional technical consulting services;Domestic patent agency service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)