USFilter Corporation, a Siemens company, delivers cost-effective, reliable water and wastewater treatment systems and services to municipal, industrial, commercial and institutional customers worldwide. USFilter is part of Siemens' Industrial Solutions and Services Group (I&S), which... more

Thames Water Utilities Limited is a water and wastewater company in the United Kingdom. The principal activities of the Company are the supply of water to over 3.6 million premises, and the collection and treatment of sewage from over 5.5 million premises, serving around 13 million... more

ZENON is a world leader in providing advanced membrane products and services for water purification, wastewater treatment and water reuse to municipalities and industries worldwide. Canada's Top 100 Employers ranked ZENON in their top 100 list for the last six years. An S&P/TSX Composite... more

Severn Trent Services (www.severntrentservices.com), with global headquarters in Fort Washington, Pa., USA, is a leading supplier of water and wastewater solutions. The company's broad range of products and services is concentrated around disinfection, instrumentation and filtration... more

Ionics is a world leader in providing outsourcing services to municipalities for advanced membrane water treatment plants, with over 75 years of combined expertise in design, equipment supply and operations & maintenance. Ionics has provided drinking water outsourcing services to... more

Kinetico Incorporated was founded in 1970 by two engineers who pioneered the development of non-electric, fully automatic water treatment systems. Evolving from the Tangent Company, a small consulting design firm, Kinetico soon became a global organization of independent dealers,... more

American Water provides high-quality water, wastewater, and other related services to more than 17 million people in 29 states and Canada.

Severn Trent Environmental Services, a full-service utility provider for municipal and industrial clients, offers a range of operational and management services for water, wastewater and related systems. From single plant operations to complex collection, distribution and customer service... more

Veolia Water, the Water Division of Veolia Environnement, is the leading operating company for water services in the world. Specializing in the outsourced management of water services for municipal or industrial clients, it is the world leader in engineering, design and execution of... more

Ever since EcoWater Systems was launched in 1925, it's had a clear vision: To provide people with water that's clearer and cleaner than they've ever experienced. We like to think of our customers as partners, which results in extraordinary customer service and after-sale support. Our... more

SouthWest Water Company is engaged in providing a range of services, including water production, treatment and distribution; wastewater collection and treatment; utility operations and maintenance services; and utility infrastructure construction. The subsidiaries are segmented into two... more

Aqua America, Inc. (Aqua America) is the holding company for regulated utilities providing water or wastewater services to customers in Pennsylvania, Ohio, North Carolina, Illinois, Texas, New Jersey, New York, Florida, Indiana, Virginia, Maine, Missouri and South Carolina. The Company’s... more

Our parent company, United Water provides water and wastewater services to 7 million people in the United States. In addition to owning and operating regulated utilities, United Water Resources operates municipal water and wastewater systems through public-private partnerships and... more

Seprotech was founded in 1985 with a vision to create a company that could solve many of the world's most difficult environmental problems. Some of the most pressing global environmental issues are around the twin problems of growing water pollution on the one hand coupled with water... more

Trojan Technologies is a leading water treatment technology company with the largest installed base of UV systems in operation around the world. We specialize in the design, manufacture and sale of pressurized and open-channel, ultraviolet disinfection systems for: municipal wastewater;... more

Aquatech International is a leading global supplier of industrial water and wastewater treatment systems and services. With hundreds of operating systems worldwide, you can rely on us to provide the technology, experience, and vision needed for total water solutions that work together... more

Since 1983, Res-Kem Corp. has designed and built a complete line of custom and standard water treatment equipment for residential, commercial, industrial and municipal water applications. Our line ranges from basic water softeners to custom designed water treatment plants that solve a... more

Since OMI was founded by CH2M HILL Companies, Ltd. in 1980, clients in government and industry have relied on the company to provide a range of operations and maintenance (O&M) solutions, custom-tailored to meet their individual needs. Today, CH2M HILL OMI's services include water and... more

Calgon Carbon Corporation (Calgon Carbon) is a provider of products, and solutions for purifying water and air. As of December 31, 2007, the Company had operated in three business segments: Activated Carbon and Service, Equipment, and Consumer. The Activated Carbon and Service segment... more

Wessex Water is the regional water and sewage treatment business serving an area of the south west of England, covering 10,000 square kilometres including Dorset, Somerset, Bristol, most of Wiltshire and parts of Gloucestershire and Hampshire. We treat and supply drinking water to 1.2... more

Ondeo Industrial Solutions, a subsidiary of SUEZ Environment, is a leading provider of process and management improvements across the entire industrial water cycle. It operates and maintains over 200 industrial water treatment plants around the world. Ondeo Industrial Solutions has built... more

Vivendi UNIVERSAL Entertainment (http://www.universalstudios.com/) is the U.S.-based film, television and recreation entity of Vivendi UNIVERSAL, a global media and communications company.

Veolia Water Solutions & Technologies (VWS) is the technical subsidiary of Veolia Water and the world leader in water treatment. A specialist in engineering and turnkey design/build projects, Veolia Water Solutions & Technologies also offers a wide range of technological solutions and... more

METITO, the international water and wastewater treatment experts operating from their regional headquarters in Sharjah, have completed a unique water treatment project to supply desalinated water to thousands of oil workers operating on offshore oil rigs in Indonesia. The USD 22 million... more

Anglian Water is one of the leading providers of water and wastewater services in the UK and is geographically the largest of the 10 regional water and sewerage service companies in England and Wales. Providing drinking water to more than 4.2 million customers and wastewater services... more

Azurix Corp. (www.azurix.com) is a global company that owns, operates and manages water and wastewater assets, provides water and wastewater related services, and develops and manages water resources. Azurix offers e-business solutions in the areas of procurement, engineering and design,... more

H2O Innovation is a large-scale public corporation that designs, produces, and installs custom integrated water treatment systems for multiple markets. Whether it is for the production of drinking water, the treatment of wastewater, or use in industrial processes, our solutions combine... more

Fresh Water Systems, a privately held company based in San Diego, has been in the water purification business for over a decade. Nationally their client list includes the largest chain drugstores and pharmacies in the country. The company's PharMateÔ dispensers are in thousands of... more

Insituform Technologies, Inc. (Insituform Technologies) is a worldwide provider of technologies and services for rehabilitating sewer, water and other underground piping systems without digging or disruption. The Company has two principal operating segments: rehabilitation and Tite Liner.... more

Among the most widely recognized brand names in America, Culligan has been manufacturing and distributing water treatment products for household and commercial use worldwide since 1936, and entered the air purification market in 2003. Culligan's network of dealerships and licensees... more

Middlesex Water Company (Middlesex) owns and operates regulated water utility and wastewater systems in New Jersey and Delaware. Middlesex also operates water and wastewater systems under contract on behalf of municipal and private clients in New Jersey and Delaware. The Company operates... more

After being in the water treatment business for nearly 65 years, we know water. Our mission is to deliver high-quality water treatment products that will benefit every part of consumer's lives. We hope to raise the quality of life by purifying its most essential element: water. We've... more

Layne Christensen Company provides drilling and construction services and related products in two principal markets: water infrastructure and mineral exploration, as well as being a producer of unconventional natural gas for the energy market. It operates throughout North America, as well... more

Veolia Water North America is North America's leading water services provider for local and federal governments and business and industry. We design, build, operate and manage various types of facilities, programs and systems such as: , Water and wastewater treatment and reclamation... more

Tampa Bay Water is the largest wholesale water supplier in Florida, providing high-quality drinking water to its members, who in turn supply water to nearly 2 million residents of the Tampa Bay area. Tampa Bay Water member governments include the cities of New Port Richey, St. Petersburg... more

BioteQ Environmental Technologies Inc. (BioteQ) is a Canadian industrial process technology company that has developed the BioSulphide Process for water treatment, sulphate reduction and lime sludge processing. The Company's process plants allow the treatment of acid contaminated water... more

Northumbrian Water Group plc (NWG), through its subsidiaries, is engaged in the provision of water, wastewater management. The Company’s wholly owned subsidiary includes Northumbrian Services Limited, Northumbrian Water Limited (NWL), Northumbrian Water Finance plc, Ayr Environmental... more

The Metropolitan Water District of Southern California is a cooperative of 26 cities and water agencies serving 18 million people in six counties. The district imports water from the Colorado River and Northern California to supplement local supplies, and helps its members to develop... more

Cal Water is a subsidiary of the California Water Service Group, which provides high-quality water utility services to 1.7 million people in 99 communities in the western United States. Cal Water has provided utility services in Bakersfield since it was formed in 1926. In addition to the... more

Southern Water is responsible for delivering clean, fresh water to more than one million households in the South East of England while also treating and recycling dirty water from nearly two million households. Southern Water operates approximately 104 water supply works collecting and... more

Mekorot is the national water company of Israel with annual sales of $500 million and equity of more than $670 million. The annual balance sheet is about $2 billion. Mekorot supplies 1.3 billion cubic meters of water per year-90% of the drinking water in Israel and 70% of all the water... more

Everpure, LLC. is a worldwide leader in providing water quality solutions to the foodservice, vending, residential, RV, marine and aviation markets since 1933. Our quality has earned us an enviable international reputation through our state-of-the art manufacturing processes, stringent... more

Scottish Water supplies drinking water and waste water services to cities, towns, villages and farms all over Scotland. We have a unique role to play in Scottish society as we touch the lives of most of the people of Scotland. This brings with it a heavy responsibility to work with... more

OCWA provides operation, maintenance and management services for more than 510 water and wastewater treatment facilities and their associated distribution and collections systems ranging in size from small municipal wastewater lagoons and pumping stations to large urban water treatment... more

Yorkshire Water is the 9th largest water and sewerage services company in the world. It provides 1.7m households and 140,000 businesses with water and sewerage services. It manages the collection, treatment and distribution of water, supplying around 1.24 billion litres of drinking water... more

CUNO is a world leader in the design, manufacture, and marketing of a comprehensive line of filtration products for the separation, clarification, and purification of fluids and gasses. Its proprietary products include uses in the healthcare, industrial, and drinking water markets. The... more

Ecosphere Technologies (ESPH: OTCC) is a diversified water technologies and services company dedicated to solving critical water recovery and treatment challenges faced by industries and communities worldwide. For industries that rely on water in their production processes, Ecosphere's... more

WEDECO AG, headquartered in Düsseldorf, is the worldwide leading manufacturer of chemical-free water disinfection and water oxidation systems using ultraviolet light and ozone. 200,000 systems replace more than 160,000 tons of chlorine annually, thus making an important contribution to... more

Biwater provides water and wastewater treatment services to millions of people around the world. Our experience spans the entire industry and our services include: water treatment wastewater treatment infrastructure ownership, investment and operation water asset management and... more

Waterlink is an international provider of integrated water purification and wastewater treatment solutions, treating process water and wastewater for its industrial customers and drinking water and wastewater for its municipal customers. Waterlink's worldwide divisions offer its... more