Treatment Technologies
Reverse Osmosis System Companies
RO system integrators for brackish, seawater, and industrial process water, skids, containerized plants, and engineered solutions.
This page is a good fit if you need:
- Reverse Osmosis (RO) or Filtration capabilities
- Suppliers with utilities sector experience
- Providers operating in China or Italy
Not ready to browse? Post your reverse osmosis system project and receive matched proposals directly from verified suppliers.
- Providers
- 187
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- 4
- Countries
- 28
How to choose a reverse osmosis system provider
Start with providers that clearly operate in your target geography and project footprint.
Look for industry exposure that matches your water challenge, compliance constraints, and deployment context.
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Showing 21-40 of 187
187 results from 187 matched providers

PNR ITALIA Srl
We produce a comprehensive range of spraying solutions, encompassing everything from small-scale nozzles to large industrial spraying systems. Our diverse product line includes various types of nozzles tailored to meet the specific requirements of every application and customer need. The company was established in Milan in November 1968, focusing on distributing parts and components for fire protection systems. Over time, we expanded our offerings to include a diverse range of industrial sprayers tailored to various applications. In addition to our distribution and manufacturing of fire protection system components and industrial sprayers, we specialize in designing and producing pneumatic spray nozzles for industrial use and tank washing nozzles. Our product line also encompasses a variety of complementary accessories essential for industrial washing, including filters, spray guns, and hoses. Furthermore, we offer ejectors, blower nozzles, swivel joints, and hose clamps to provide comprehensive solutions for our customers' needs. PNR Italia is part of the Tecomec Group and oversees four other affiliated companies to form PNR Company, a consolidated reality with a significant presence on the market.
Pollet Water Group
Over three decades, Pollet Water Group has been thinking water. It’s our mission to improve the quality of life, the comfort of doing business and the efficiency of industrial processes through a network of specialized water treatment companies.
Wetsus
Wetsus is the European center of excellence for sustainable water technology. Wetsus connects companies, universities, and government bodies for applied research into water technology.
BMS SU ARITMA SISTEMLERI A.S.
BMS SU ARITMA SISTEMLERI A.S. specializes in manufacturing and integrating water treatment systems, focusing on residential and commercial applications. Based in Türkiye, the company offers a range of products including reverse osmosis systems and point-of-use filters, serving markets in Europe and MEA regions.

Filtek Water Treatment Systems
Filtek Water Treatment Systems specializes in the design and manufacture of advanced water treatment equipment, offering a wide range of filtration and purification solutions for industrial and residential applications. With a focus on innovation and quality, Filtek serves diverse industries across Europe, MEA, and APAC regions.

Foshan Wingsol Co. Ltd.
Foshan Wingsol Co. Ltd. is a leading OEM and ODM factory in China, specializing in the manufacturing and provision of advanced water filtration and purification systems. With a focus on membrane technologies, the company serves the utilities and manufacturing industries, delivering high-quality solutions across the Asia-Pacific region.
Fujian Aicksn Environmental Technology Co., Ltd.
Fujian Aicksn Environmental Technology Co., Ltd. is a leading water treatment equipment manufacturer in China, specializing in RO systems, water filters, and softeners. With over 16 years of experience, AICKSN offers high-quality, innovative solutions for cleaner, healthier water, serving diverse industries with customized and reliable products.
Haining BEISHI Environment Protection Technology CO., LTD
Haining BEISHI Environment Protection Technology CO., LTD is a leading innovator in water pre-treatment systems, offering advanced filtration solutions and a wide range of water purification products. With a strong presence in China and the Asia-Pacific region, the company serves the utilities and manufacturing industries, providing high-quality equipment and technology.

Hikins (Jiangsu) Envirotech Co., Ltd.
Hikins (Jiangsu) Envirotech Co., Ltd. is a leading manufacturer of water treatment components, specializing in advanced filtration and purification technologies. Serving the construction, manufacturing, and utilities sectors, Hikins provides innovative solutions for water treatment plants and systems across China and the Asia-Pacific region.
JINGSHAN WATERCLOUD TECHNOLOGY CO.,LTD.
Jingshan Watercloud Technology Co., Ltd. is a leading supplier in the water filtration industry, specializing in advanced filtration technologies and equipment manufacturing. Serving diverse sectors, they provide innovative solutions for water purification and treatment, catering to both industrial and municipal needs across China and the Asia-Pacific region.
Ningbo RXHL Technology Co., Ltd.
Ningbo RXHL Technology Co., Ltd. is a leading high-tech enterprise in China, specializing in the research, production, and sales of advanced membrane materials and components. With a focus on microfiltration, ultrafiltration, nanofiltration, and reverse osmosis technologies, the company serves diverse industries including food and beverage, petrochemicals, and municipal water treatment.

RCI Aquatech
Founded in 2009, formerly known as Red Circle Industries (RCI), RCI Aquatech creates custom wastewater solutions based on end users’ requirements, which allow for optimally chosen components resulting in a solution that meets or exceeds customer needs. RCI Aquatech’s wastewater treatment systems combine necessary process technologies to reach required state and federal discharge limits and comply with local regulations. Our systems focus on removal of pollutants such as heavy metals, greases, suspended solids, oils, high salt content, toxic compounds, phosphates and more. Using chemical-physical treatment (coagulation, flocculation, and sedimentation), biological treatment (aerobic and anaerobic) and wet chemical oxidation (persistent or toxic organics). Our expertise comprises the following technologies: Filtration & softening systems Physicochemical treatment (coagulation-flocculation) Membrane filtration (UF & RO) Ion exchange Chemical oxidation Biological treatment Zero liquid discharge (ZLD) system
Shenzhen Hidly Water Purification Technology Co., Ltd.
Shenzhen Hidly Water Purification Technology Co., Ltd. specializes in manufacturing advanced water purification equipment and providing cutting-edge technology solutions across China and the Asia-Pacific region. The company focuses on delivering high-quality treatment solutions and infrastructure systems for various industries.

Yuncheng Huiston Environmental Protection Technology Co., Ltd.
Yuncheng Huiston Environmental Protection Technology Co., Ltd. specializes in manufacturing advanced filtration products, including PP pleated filters, high-flow filter elements, and reverse osmosis membranes. Serving the manufacturing and utilities sectors, they provide innovative solutions for water treatment and purification across China and the Asia-Pacific region.

Acquasystem
Acquasystem specializes in advanced water treatment solutions, offering cutting-edge filtration technologies and digital monitoring systems. Based in Italy, the company serves diverse industries with a focus on sustainability and innovation, providing tailored solutions for water purification and management.

American Water Chemicals (AWC®)
American Water Chemicals (AWC®) specializes in chemical and technical solutions for optimizing membrane systems, including RO, NF, MF, and UF. With over 30 years of expertise, AWC® offers a comprehensive range of antiscalants, cleaning chemicals, and biocides, supported by advanced software for precise scaling projections.
Brio Water Technology, Inc.
Brio Water Technology, Inc. specializes in providing a wide range of water coolers and filtration systems for residential, commercial, and industrial applications. With a focus on quality and innovation, Brio offers solutions such as reverse osmosis and ultrafiltration to ensure clean and safe water supply.

ENERGY ENERAGUA S.L.L.
Eneragua specializes in the design, manufacture, and installation of water treatment systems, with a focus on reverse osmosis and ultrafiltration. With over 30 years of experience, they offer comprehensive solutions for water purification, maintenance, and technical support, ensuring efficient and sustainable water management.

Envites, spol. s r.o.
Envites, spol. s r.o. specializes in water treatment solutions, offering engineering, design, and manufacturing services for industrial and municipal water treatment plants. With expertise in advanced filtration and separation technologies, they cater to various industries, including construction, manufacturing, and utilities, across Europe.

EUROACQUE S.r.l.
Euroacque S.r.l., established in 1978, specializes in manufacturing advanced water treatment systems. With a focus on filtration technologies and water treatment plants, the company serves utilities, manufacturing, and waste management sectors across Europe, providing innovative solutions like reverse osmosis and UV disinfection.
Designing and Procuring Reverse Osmosis Systems for Industrial and Commercial Use
Reverse osmosis performance is governed by three interdependent parameters: applied pressure, membrane flux rate, and system recovery. Higher recovery reduces reject (concentrate) volume and water consumption but increases concentration polarization on the membrane surface, accelerating fouling and scaling. Commercial brackish water RO systems typically operate at 70–80% recovery, while seawater desalination systems run at 40–50% due to osmotic pressure constraints. Specifying recovery targets without also specifying concentrate disposal capacity is one of the most common design oversights in RO project procurement.
Membrane selection is equally critical. Thin-film composite (TFC) polyamide membranes dominate the market and are available in standard 8-inch diameter elements, but temperature rating, pH operating range, and chlorine tolerance vary significantly between manufacturers. Cellulose acetate membranes are an option in chlorinated feed streams where dechlorination is impractical, but offer lower rejection rates. For high-temperature industrial applications above 45°C, only specific membrane materials and element constructions maintain rated performance.
Pre-treatment design determines long-term RO reliability. Inadequate SDI (Silt Density Index) reduction ahead of the membrane array causes irreversible colloidal fouling and shortens membrane life. Chemical scaling—particularly calcium carbonate, calcium sulfate, barium sulfate, and silica—requires antiscalant programs sized to the concentrate chemistry, not the feedwater chemistry. When evaluating RO providers, require a full system design report including LSI and Stiff-Davis Index calculations for the concentrate stream at design recovery.
Frequently Asked Questions
What is a realistic membrane replacement schedule for an industrial RO system?
Well-maintained brackish water RO membranes in industrial applications typically last 5–7 years. Membrane life shortens significantly with inadequate pre-treatment (SDI above 5 or free chlorine breakthrough), biological fouling in warm climates, or high-pH cleaning cycles that degrade the polyamide active layer. Systems with poor pre-treatment or inconsistent antiscalant dosing may require membrane replacement in 2–3 years. Request the provider's historical membrane replacement intervals for comparable installations before accepting a quoted membrane lifespan.
How do I compare RO system proposals on a like-for-like basis?
Normalize all proposals to the same recovery rate, permeate flow rate, and feedwater quality assumptions. Key metrics to compare are specific energy consumption (kWh/m³ of permeate), normalized permeate flux (L/m²/h at reference conditions), and projected first-year chemical costs including antiscalant and cleaning chemicals. Proposals that omit recovery or concentrate disposal specifications cannot be meaningfully compared against one another.
What is a pressure exchanger and when is it worth specifying?
A pressure exchanger (PX) is an energy recovery device that transfers hydraulic energy from the high-pressure concentrate stream to the incoming seawater feed, reducing the load on the high-pressure pump. In seawater RO systems, PX devices can reduce specific energy consumption from 6–8 kWh/m³ down to 2–3 kWh/m³, with typical payback periods of 2–4 years at current energy prices. They are standard specification for new SWRO plants above 500 m³/day and should be evaluated for any large-scale brackish water system where energy costs are significant.
What questions should I ask about concentrate management before buying an RO system?
Ask the provider to calculate your concentrate volume at design recovery and confirm you have a viable disposal pathway: sewer discharge (check local TDS limits), evaporation pond, deep well injection, or ZLD (zero liquid discharge) crystallization. Confirm that the concentrate chemistry at design recovery does not exceed the solubility limits for calcium sulfate or silica, which are the most common irreversible scaling risks. If your local regulations cap concentrate TDS at sewer discharge, the provider must design recovery around that constraint, not the other way around.
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