Veolia Water Solutions & Technologies Support SAS engages in water plants construction. The company was founded on December 21, 2000 and is headquartered in Saint Maurice, France.

Evoqua Water Technologies LLC provides water treatment solutions. Its water and wastewater treatment products include activated carbon, anaerobic digestion, biosolids treatment, disinfection, filtration, odor and corrosion control, physical chemical treatment, aeration and mixing, and electrochemical products. It also offers electrocatalytic, intake equipment, filter press equipment, and media exchange services. The company is headquartered in Warrendale, PA.

Occidental Chemical Corp. manufactures polyvinyl chloride resins, chlorine and caustic soda. It also offers basic chemicals, oxyvinyls, food grade and armand products. The company was founded in 1988 and is headquartered in Dallas, TX.

Dalian Mike Environmental Technology Engineering Co., Ltd., established on 2005-03-30, Business scope includes licensed projects:Construction Engineering Construction,Construction engineering design,Residential interior decoration,Construction Engineering Survey,Construction labor subcontracting(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Graphic design and production,Planning and Design Management,Industrial Design Services,Professional Design Services,graphic design,Industrial Engineering Design Services,Foreign contracted projects,Engineering Management Services,Engineering cost consulting business,Landscaping engineering construction,Environmental Consulting Services,Manufacture of special equipment for environmental protection,Environmental protection special equipment sales,Sales of special instruments and meters for environmental monitoring,Engineering and Technology Research and Experimental Development,Special Equipment Repair,General Equipment Repair,electrical equipment repair,Intelligent water system development,Water Environment Pollution Prevention and Control Services,Environmental Protection Monitoring,water pollution control,Air Pollution Control,Atmospheric Environmental Pollution Prevention and Control Services,Solid Waste Treatment,Sales of marine water quality and ecological environment monitoring equipment,Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion,Domestic trade agent,Import and export,Technology Import and Export,Import and export agency,Retailing of computer software, hardware and auxiliary equipment(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

RCEES is a Chinese research institute that focuses on eco-environmental science and technology.

BKT Co., Ltd. is a holding company, which provides environmental engineering services and solutions. Its business areas are Water Business, Membrane Business, Energy Business, and Agriculture Business. The firm offers public sewage treatment, animal manure disposal, wastewater treatment, membrane filtration system, energy reduction, production, and recovery, and certification of eco-friendly agricultural products. The company was founded by Doo Tae Kim on March 15, 1995 and is headquartered in Daejeon, South Korea.

Bio-Terre Systems, Inc. develops environmental solutions for manure management. It provides its solutions for agricultural industries and agri-food industries. The company was founded in 1998 and is headquartered in Sherbrooke, Canada.

Aqua-Aerobic Systems, Inc. designs and manufactures wastewater treatment equipment. aeration and mixing, biological processes, control systems, filtration systems, membrane systems, and oxidation and disinfection. The company was founded in 1969 and is headquartered in Loves Park, IL.

Taeyoung Construction Co. Ltd. is a South Korean private company that provides construction services.

JA Construction Co., Ltd. is a private company headquartered in the South Korea that provides civil engineering services.

Beijing Drainage Group Co., Ltd. engages in the provision of waste collection and water treatment services. The firm offers sewage treatment, sewage (rain) water network, recycled water supply, and equipment supplies. Its business activities also include investment management, waterworks construction, operations services, design consulting, and skills training services. The company was founded in 1973 and is headquartered in Beijing, China.

Kesto Environmental Protection Equipment (Shanghai) Co., Ltd., established on 2002-09-05, Business scope includes development,Production of advanced sewage treatment technology and water biochemical treatment technology system and water treatment advanced filtration technology and related equipment,Sell ​​self-produced products and provide related technical consulting services.[Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Doosan Enerbility Co., Ltd. engages in the provision of water treatment, construction and power plant projects. It operates through the following business areas: Power Generation, Water, Industry, Castings and Forgings, and Construction. The Power Generation business offers power plants, power generation equipment, retrofits and upgrades. The Water business provides seawater desalination plants and water treatment systems. The Castings and Forgings business engages in power generation, shipbuilding, iron and steel making, petrochemical and industrial components, mold and tool steel production. The Construction business involves in different plants, civil engineering and architecture. The company was founded on September 20, 1962 and is headquartered in Changwon, South Korea.

NK Co., Ltd. engages in the manufacture and sale of high pressure gas and fire fighting equipment. It operates through the following Business Divisions: Fire Extinguishing Equipment, Ballast Water Treatment Equipment, Offshore Plant, and High Pressured Gas Container. The Fire Extinguishing Equipment division offers Co2, foam, loose fire fighting, and dry powder systems. The Ballast Water Treatment Equipment division offers NK O3 system. The High Pressured Gas Container division provides industrial high pressured gas container, special industrial container, portable automotive container, and others. The company was founded in January 1980 and is headquartered in Busan, South Korea.

Alfa Laval AB engages on energy optimization, environmental protection and food production. It operates through the following business segments: Energy, Food & Water, Marine, and Operations & Other. The Energy segment comprises of brazed and fusion bonded heat exchangers, energy separation, gasketed plate heat exchangers, and welded heat exchangers. The Food & Water segment offers decanters, food heat transfer, food systems, hygienic fluid handling, and high speed separators. The Marine segment represents boiler and gas systems, marine separation and heat transfer equipment, and pumping systems. The Operation & Other segment covers the procurement, production, and logistics as well as corporate overhead and non-core businesses. The company was founded by Gustaf de Laval and Oscar Lamm in 1883 and is headquartered in Lund, Sweden.

Beijing Enterprises Water Group (China) Investment Ltd. engages in the provision of investment service. Its business scope includes (1) foreign investment in accordance with the government permit; (2) provision of services to the investors; (3) set up research and development center to engage in the research and development of new products and hi-tech, transfer its result, and provide corresponding technical services; (4) providing consulting services to its investors and affiliated companies such as market information and investment policies relating to their investment;\n(5) undertake the service outsourcing business of related company and its parent company; and (6)\nengaging in the import, export, wholesale and commission agency of the products produced by the parent company and its affiliates and subsidiaries and providing relevant supporting services. The company was founded on July 20, 2009 and is headquartered in Beijing, China.

Shanghai Hongji Environmental Protection Technology Co,. Ltd. is a Chinese company located in Shanghai. The firm provides waste water treatment services.