What Are the Best Industrial Water Treatment Equipment Supply and Technology Companies?


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Here at SAMCO Technologies, we understand that proper, economical industrial water treatment is essential to the efficiency and overall success of your everyday process. Improper treatment can lead to system upset, valuable process water going down the drain, and costly violations of local POTW (publicly owned treatment works) and environmental regulations, to name a few.

While our custom-engineered industrial water treatment solutions are some of the most economical and cutting-edge in the industry, we realize we might not be the best fit for everyone and believe it’s important for our potential customers to be aware of the available options when searching for these solutions. For this reason, we have assembled a list of “the best industrial water treatment equipment supply and technology companies.”

We outline who they are and what they have to offer below:


Who they are

Aquatech is a water purification technology company that focuses on desalination, water recycle/reuse, and zero liquid discharge for an assortment of industries worldwide. With 35 years in business, the company is also a good source for spare parts supplies, technical audits, and leased water treatment systems.

What they offer

With an assortment of solutions such as thermal technologies, ion exchange, and membrane filtration, Aquatech’s water treatment systems cover a variety of industrial water treatment needs. One of their most effective technologies, High-Efficiency Reverse Osmosis (HERO™), can help a facility control silica levels, making difficult-to-treat wastewater more manageable. This technology along with evaporation technologies, is also used for achieving zero liquid discharge.

Calgon Carbon

Who they are

Calgon Carbon (who recently announced they will be acquired by Kuraray Co., Ltd.) has nearly 75 years in the activated carbon and reactivation industry for many liquid- and vapor-phase applications. They also offer services in ultraviolet disinfection and oxidation, ion exchange technology, and ballast water treatment, and they provide purifications systems for drinking water and wastewater, etc.

What they offer

Calgon manufactures both granular and powder activated carbon. They offer carbon technologies for several industries including drinking water, food and beverage, and pharmaceuticals. They have various media, fixed-bed, and continuous systems for a variety of applications and industries. Their ISEP®/CSEP® systems and CALRES® media can help industrial facilities purify their process streams while helping them recover valuable materials.

The Dow Chemical Company

Who they are

Dow is a chemical corporation that combines science and technology to provide innovations that help the company’s customers produce and conserve clean water and energy and increase productivity. Their businesses range from chemical to agrosciences and plastics. The water processing group is a world leader in ion exchange resins and membranes for water purification.

What they offer

Dow offers various filtration devices for the removal of suspended solids, bacteria, and other particulates. Some of their RO/NF filtration systems can be used to treat brackish water in addition to drinking water and desalination applications. Their FILMTEC RO membranes are one of the premier products on the market. 

Dow also provides a broad range of technology-based products and solutions, such as ion exchange resins and reverse osmosis membranes, across several industries, including their ADVANCED AMBERPACK™ and Upcore™, pre-engineered ion exchange systems designed to yield high-quality water while minimizing waste. Each process train can produce up to 260 GPM of treated water that typically doesn’t require further polishing. Dow ion exchange resins are some of the most advanced technological solutions to removing contaminants.

Evoqua Water Technologies

Who they are

A global water treatment company that serves municipal and industrial companies, Evoqua Water Technologies aims to help companies meet water quality regulations and environmental compliance while increasing their water usage efficiency.

What they offer

Evoqua Water Technologies has innovative, integrated products that are valuable in the industrial water treatment process, including chemicals, RO/NF membranes, clarifiers, conventional gravity filters, evaporation technologies, and an assortment of posttreatment solutions.

Evoqua’s MF/UF membrane systems include a tubular crossflow system that removes colloids and improves salt density index, and pressurized/submerged membrane technology for potable water generation, wastewater treatment, and desalination, among other applications. Their Memtek microfiltration systems are especially useful for removing heavy metals.

SUEZ Water Technologies & Solutions

Who they are

Formerly GE Water & Process Technologies, SUEZ uses advanced technologies to solve water scarcity, quality, and productivity challenges. They also solve water-related issues for the environment and energy industry and serve industrial and municipal companies alike.

What they offer

SUEZ has a series of innovative, integrated products that are valuable in the industrial water treatment process, including chemicals, UF membranes, clarifiers, conventional gravity filters, evaporation, and an assortment of posttreatment technologies.

They also offer a variety of RO/NF membrane systems for desalination, food and beverage processing, salt density index improvement, and drinking water treatment, in addition to solutions for the oil and gas industry. They also offer technical papers and other information on membrane maintenance and upkeep.


[Download our free industrial water treatment e-book.]


Who they are

Founded in 1993, Lenntech is an international water treatment and filtration solution company based in the Netherlands. They provide several technologies and turnkey facilities for municipalities, water bottlers, and hotels.

What they offer

Lenntech has an assortment of solutions for industrial water treatment, including MF/UF membrane systems that are custom designed and built to spec. The ultrafiltration systems are made with hollow-fiber, outside-in membranes suitable for filtering out suspended solids, colloidal contaminants, and micro-organisms.

Lenntech also has an assortment of solutions and technologies that help promote continuous heat exchange, reduce corrosion, and help boilers produce high-quality steam by treating the feed water to the boiler both internally and externally. Softening, evaporation, deaeration, and membrane filtration are all methods used by the company to facilitate the right makeup water chemistry for the boiler being used.

Nalco Company

Who they are

In 1928, Nalco was formed with the merger of two Chicago-based companies selling sodium aluminate to treat water for steam locomotives, municipalities, and boiler feed water for industrial plants. Adapting their approach and technologies over the years to respond to changing market needs, Nalco now provides water treatment solutions in the power, oil and gas, and food and beverage industries, among others.

What they offer

Nalco offers various technologies and chemicals that help with heavy metals removal, foam control, dewatering, and water reuse, among others. Some of these technologies include coagulants, polymers, and physical/chemical separation.

Nalco also offers a 3D TRASAR cooling tower water treatment program utilizes an automated, real-time monitoring system to help keep track of your cooling tower. The technology helps control and monitor corrosion, scaling, and biological fouling before they become an issue in the cooling tower by recognizing and flagging any changing conditions. In addition to the monitoring system, they also offer other treatment technologies and solutions for cooling tower water, including a full line of chemical treatment and equipment supplies through various partners.

Pall Corporation

Who they are

Pall Corporation offers their customers filtration, separation, and purification solutions for a broad spectrum of industries, including microelectronics, aerospace, fuels, petrochemical, chemical, automotive, and power generation.

The company’s headquarters are in Port Washington, New York, but they have offices and plants worldwide.

What they offer

Known for their filtration technologies, Pall Corporation offers a variety of ceramic and hollow-fiber UF/MF membrane systems, including their Pall Aria series that is especially useful for filtering drinking water. Many of their filtration systems use clean-in-place technology and can handle varied turbidity, flow, and contamination.

Veolia Water Technologies

Who they are

Based out of the suburbs of Paris, France, Veolia Water Technologies is foremost a worldwide water treatment equipment, service, and maintenance company. With a range of solutions in water purification and sustainable water recovery, Veolia offers technological solutions for industrial and science and research companies.

What they offer

Veolia offers a range of technologies, including reverse osmosis, demineralization, ion exchange, pretreatment, and filtration, among others. Their Hydrex™ 1000 series of additive chemicals include scale inhibitors, dispersants, oxygen scavengers, and steam line treatments, and they serve a variety of industries.

WesTech Engineering, Inc.

Who they are

WesTech Engineering is a process equipment engineering and manufacturing company in Salt Lake City, Utah, that focuses on solutions for the industrial, mineral, municipal water, and municipal wastewater industries.

The company helps design and build integrated small- and large-scale systems with technologies that can be beneficial to the industrial water treatment process.

What they offer

Westech provides a complete line of physical/chemical and biological systems. They’ve been building clarifiers for years (dissolved air flotation clarifiers and thickeners, conventional clarifiers, and conventional gravity thickeners, among others).

Now what?

Now that you know the top companies for industrial water treatment, doing your research about the products and services out there for your plant should be a little less tedious.

To learn more about SAMCO’s cutting-edge industrial water treatment technologies and services, contact us to speak with an engineer about your water treatment needs.

SAMCO provides a wide variety of superior industrial wastewater treatment technologies, including a host of filtration and resin services. See below for some of the services we offer:

Some other articles about industrial water treatment systems include:

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