What Are the Best Companies for Reverse Osmosis and Nanofiltration Membrane Systems?

Home 9 Reverse Osmosis/Nanofiltration 9 What Are the Best Companies for Reverse Osmosis and Nanofiltration Membrane Systems?

For industrial facilities looking to reverse osmosis (RO) or nanofiltration (NF) membrane systems for their purification and/or separation technology needs, an important question to consider is, “What are the best companies for reverse osmosis and nanofiltration membrane systems?

While SAMCO is confident our custom-designed and engineered RO and NF treatment solutions are some of the best in the industry, we also 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 outline below which RO/NF membrane system companies are the best choices for your facility to help you with your search for the most appropriate membrane system, including a bit about who the companies are and what they have to offer:

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GE Water & Process Technologies

Who they are

GE Water and Process Technologies is a subdivision of General Electric and GE Power. The company uses advanced technologies to solve water scarcity, quality, and productivity challenges. They also solve water-related issues for the environment and energy and serve industrial and municipal companies alike.

What they offer

GE Water has 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 the membrane maintenance and upkeep.


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 their High-Efficiency Reverse Osmosis (HERO™) technology, controlling silica levels and difficult-to-treat wastewater becomes more manageable. The technology is high in recovery rates with low fouling. It can also be an effective treatment for achieving zero liquid discharge.

Koch Membrane Systems Inc.

Who they are

Based in Wilmington, Massachusetts, with other offices worldwide, Koch Membrane Systems started in 1963 as Abcor, Inc., a privately-owned company that developed and commercialized purification/separation technology. Throughout the years, they’ve acquired various filtration and membrane companies that have added to their overall scope of services and expertise.

What they offer

The company continues to develop and manufacture separation and purification technology in the form of filtration membranes. They also design and manufacture custom-engineered systems for the food and beverage, industrial biotechnology, pharmaceutical, and automotive industries, among others.

Their membranes serve a range of applications, including tertiary, surface water, produced water, and municipal wastewater treatment.

Evoqua Water Technologies

Who they are

A global water treatment company that serves both municipal and industrial companies, they aim to use their treatment systems to provide quality water solutions for their customers, help them meet regulatory and environmental compliance, and increase water usage efficiency.

What they offer

Evoqua Water Technologies has innovative, integrated products that are valuable in the industrial wastewater treatment process, including chemicals, RO/NF membranes, clarifiers, conventional gravity filters, evaporation technologies, and an assortment of posttreatment solutions. Their RO/NF membranes come in a variety of sizes and configurations, and they also offer custom sizes.

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 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.

Marlo, Incorporated

Who they are

Located in Wisconsin, Marlo, Incorporated, was founded in 1973 by Fred and Mike Glines to provide water softening treatment for domestic application. Early on, the company also produced residential equipment for overseas markets, adding an industrial and commercial department in 1976. Now, they serve both domestic and industrial water treatment needs, including several Fortune 500 companies in the power, chemical, textile, and municipal industries, among others.

What they offer

Marlo offers various filtration technologies that solve a variety of applications. Some of their RO/NF filtration systems can be used to treat drinking water, and their membranes are reliable and generally cost-effective.

How SAMCO can help?

SAMCO has over 40 years’ experience custom-designing and manufacturing RO/NF systems for a range of industries and solutions, so please feel free to reach out to us with your questions. For more information or to get in touch, contact us here to set up a consultation with an engineer or request a quote. We can walk you through the steps for developing the proper solution and realistic cost for your RO/NF treatment system needs.

To learn more about SAMCO’s RO/NF technologies and services, visit our RO/NF page here.

SAMCO provides a wide variety of industrial RO/NF treatment technologies, as well, including a host of other filtration and resin services. See below for some of the services we offer:

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