POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

Proterial Ltd. engages in the manufacture and sale of products for automobile, electronics, and infrastructure industry sectors. It operates through the following divisions: Specialty Steel, Magnetic Materials, Functional Components, and Cable Materials. The Specialty Steel division includes high-grade special steel, rolls, steel and ceramic structural parts, injection molding machine parts, and soft magnetic materials. The Magnetic Materials division comprises of magnets and ceramic products. The Functional Components division consists of high-grade casting components for automobiles, piping and infrastructure components, and construction components. The Cable Materials division offers electric wires and functional items such as industrial wire, equipment wire, industrial rubber, cable processed products, automotive electrical components, and brake hose. The company was founded on April 10, 1956 and is headquartered in Tokyo, Japan.

Orege SARL is a private company headquartered in France that provides waste management services.

Kubota Corp. engages in the manufacture and sale of agricultural and construction machinery equipment. It operates through the following segments: Machinery, Water and Environment, and Others. The Machinery segment includes agricultural and construction machinery, engines, and agricultural products. The Water and Environment segment provides environmental-related products and pipe-related products such as ductile iron pipes, plastic pipes, valves, and pumps. The Others segment offers logistics and finance services, roofing materials, and outer wall materials. The company was founded by Gonshiro Kubota in February 1890 and is headquartered in Osaka, Japan.

Manufactures and distributes steel pipes

Ebara Corp. engages in the manufacture and sale of industrial machineries. It operates through the following segments: Fluid Machinery and Systems, Environmental Plants, Precision Machinery, and Others. The Fluid Machinery and Systems segment deals with the manufacture, sale, and maintenance of pumps, compressors, turbines, cooling machines, and blowers. The Environmental Plants segment handles engineering, construction, operation, and maintenance of municipal and industrial waste incineration plants and water treatment plants. The Precision Machinery segment manufactures and sells vacuum pumps, plating systems, and exhaust gas treatment equipment. The Others segment includes business support services. The company was founded by Issey Hatakeyama in November 1912 and is headquartered in Tokyo, Japan.

Dongil Canvas Engineering Co., Ltd. is a private company headquartered in the South Korea. The firm manufactures textiles. It was founded in 1996.

G. Siempelkamp GmbH & Co. KG operates in machine and plant engineering, foundry technology and nuclear technology businesses. Its services include retrofitting and upgrading, consulting, engineering, teleservice, training, financing and used machinery sales services. The company was founded by Gerhard Siempelkamp in 1883 and is headquartered in Krefeld, Germany.

M��LLER Umwelttechnik GmbH & Co. KG is a German private company located in Schieder-Schwalenberg. The firm supplies waste disposal vehicles. It was founded in 1951. Wolfgang G. M��ller and Volkwin M��ller are the current co-CEOs of the firm.\nThe company says this about itself: We are an internationally operating German SME managed by the third generation of the founding family, offering a specialist portfolio of products and services in the segments of liquid waste disposal vehicles, suction and jetting vehicles and accessories, pipe stoppers and leak detection systems. The workforce is made up of 230 hard-working individuals who are fully committed to customer service excellence. Our comprehensive basic and advanced training programmes represent an investment in the successful future of our company. We��re the waste disposal industry��s development partner for complex liquid waste disposal superstructures. And we��re also a service-focused company with a global presence!

Jiangsu Baixin Environmental Engineering Co., Ltd., established on 2011-01-17, Business scope includes environmental engineering construction;Manufacturing of Environmental Pollution Prevention and Control Equipment,Sales;Environmental Technology Consulting,Technical Services;Environmental protection equipment rental,Operation and Maintenance;Environmental protection equipment accessories,Electrical Equipment,electrical equipment,Instrument sales;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts the company to operate and prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Kurita Water Industries Ltd. (栗田工業株式会社 Kurita Kōgyō Kabushiki-gaisha) is a Japanese manufacturer, providing water treatment chemicals and facilities as well as process treatment chemicals. During the 50´s Kurita Water Industries expanded the portfolio and started with the water treatment facilities business, chemical cleaning business (Kurita Engineering Co., Ltd.) and maintenance services. In her second decade, the 60´s, Kurita Water Industries entered the process treatment market, especially in the pulp and paper, petrochemical and steel industries. Since the mid of the 70´s up to now, Kurita Water Industries established 14 overseas subsidiaries and affiliates. Since 2003 Kurita Water Industries is listed in the Nature Stock Index (NAI = Natur-Aktien-Index).

Huaxin Environmental Engineering Co., Ltd., established on 2011-02-25, Business scope includes environmental protection project design,Construction and Project Management;Environmental Consulting;General industrial waste disposal and recycling(Does not contain hazardous waste and industrial waste restricted by the state);Municipal Sludge Disposal;Combustion flue gas treatment;sell junk,Raw fuel produced after sludge treatment;Three Gorges Reservoir Area Floating Object Disposal Project(Branch operation);General cargo;Logistics transportation vehicle rental;Municipal Solid Waste Disposal.(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)

Huaxin Cement Co., Ltd. engages in the manufacturing and sales of cement. Its business includes cement technical service; research, manufacture, installation, and maintenance of cement equipment; production and sales of commercial concrete and aggregates; environmental protection business of cement kiln co-processing waste; general contracting of domestic and international cement projects; and cement-based high-tech building materials. The company was founded on November 30, 1993 and is headquartered in Wuhan, China.

Nippon Steel Nisshin Co., Ltd. engages in steel business. Its products include coated steel, stainless steel, special steel, hot and cold rolled ordinary steel, and processed products. The company was founded in July 1908 and is headquartered in Tokyo, Japan.

Sest Co., Ltd. is a private company headquartered in the South Korea that manufactures electronic components.

Meidensha Corp. engages in the manufacture and sale of electric appliances. It operates through the following segments: Social Infrastructure Systems Business, Industrial Systems Business, Maintenance and Servicing Business, Real Estate Business, and Other Business. The Social Infrastructure Systems Business segment manufactures and sells equipment for emergency and non-emergency power generation, hydroelectric power generation, and power transmission. he Industrial Systems Business segment produces and markets motors and inverters for elevators, textile machinery, and industrial and electric vehicles. The Maintenance and Servicing Business segment provides services relating to management and monitoring of facilities. The Real Estate Business segment offer property rentals. The Other Business segment offers welfare program services and chemical product manufacturing. The company was founded by Hosui Shigemune on December 22, 1897 and is headquartered in Tokyo, Japan.

Anhui Tongyuan Environment Energy Saving Co., Ltd. engages in the operation of solid waste pollution barrier repair, solid waste treatment and disposal, and water environment restoration businesses. Its Solid Waste Pollution Barrier Repair business provides horizontal barrier, vertical barrier, and closure barrier systems. Its Solid Waste Treatment and Disposal business offers sludge and hazardous waste treatment and disposal services. Its Water Environment Restoration business involves in the treatment of urban black and odorous water bodies; river, lake and water quality improvement; and sewage treatment in villages and towns. The company was founded by Ming Yang on April 15, 1999 and is headquartered in Hefei, China.

Huahui Ecological Environment Industry Co., Ltd., established on 2015-04-08, The business scope includes the business scope recorded in the articles of association:1,Technology development in the field of biotechnology,Technical Services,technical consulting;Development of anti-corrosion and related technology products,to develop,application,to promote.2,solid waste disposal;Recycling and Resource Utilization of Renewable Resources;Municipal Solid Waste Disposal,Sludge treatment project construction,Development and Management;urban life,industrial pollution,wastewater treatment;Urban domestic waste business cleaning,collect,transportation,governance.3,Environmental Pollution Control;Research and development of special equipment and instruments for environmental pollution prevention and control,manufacture;Environmental pollution control engineering and complete sets of equipment(desulfurization,Environmental Noise Control,waste water,exhaust gas,waste residue,noise,Dust removal,heating,ventilation,Air conditioning and refrigeration, etc.)the design of,develop,to develop,Production,Sales,Installation and commissioning;Development of Environmental Information System,monitor;Environmental monitoring.4,Research and development of ecological environment governance and restoration and ecological engineering related products,production and sales;Technical and planning consulting for ecological environment governance and restoration projects;Environmental Ecological Governance and Restoration,Environmental Pollution Control and Restoration,water treatment,Water environment governance,Municipal Engineering,Technical consultation for water conservancy projects,technology development;Ecological environment information system integration and software development,data service.5,Tourism project development;Ecological Agriculture Development;Agricultural Technology Development;Agricultural Information and Technical Consulting;Development of Ecological Agriculture Tourism;Development and management of rural tourism projects;Agricultural tourism service;fruit,crop,vegetable,Green Ornamental Plant Planting,Production,operate,Sales;Garden seedling production,operate;Green health food production,processing;Chinese herbal medicine planting,Sales.6,Environmental technology development,Application and Consulting Services;Environmental protection new technology and new process,new device,new material,Development of new products,Environmental cleaning agent production,Sales;Design of Environmental Protection Equipment,Production,Sales;Sales:Equipment,Chemical Products,laboratory reagent,Instrumentation,Computers and Accessories.7,Environmental Impact Assessment,Environmental Engineering Design,construction,manage;Environmental Engineering Project Design,Research;architecture,decorate,Water and electricity installation, etc.;Urban Landscaping Design,construction.8,Soil repair and remediation and landfill remediation;Water Resources Protection and Governance;Energy-saving technical transformation;Contract Energy Management;Investment invitation for domestic and foreign environmental protection projects,consult,Intermediary service,manage.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)