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
- Verified
- 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.
Use technologies, service scope, and proof signals to narrow the list before reaching out to suppliers.
Not sure where to start? Our experts can help.
Filter results
Verified providers
4 claimed companies in this category
Country
Industry
Technology
Find a Reverse Osmosis System Provider
Showing 41-60 of 187
187 results from 187 matched providers

Fileder Filter Systems Ltd
Fileder Filter Systems Ltd specializes in supplying advanced filtration and water treatment products across Europe. Catering to industries such as utilities, manufacturing, and waste management, they provide innovative solutions like reverse osmosis and microfiltration to enhance water quality and treatment efficiency.

FilTech S.r.l.
FilTech S.r.l. specializes in designing and manufacturing advanced water treatment systems, including filtration and reverse osmosis solutions, for residential, professional, and Ho.Re.Ca. sectors. With over 30 years of experience, they serve diverse industries across Europe, focusing on high-quality and efficient water purification technologies.
GTE ELETTROMECCANICA
GTE ELETTROMECCANICA specializes in providing advanced water treatment solutions, including equipment manufacturing and technology provision for utilities and industrial applications. Based in Italy, the company serves the European market with a focus on desalination, ultra-pure water systems, and membrane technologies.
Hainan Litree Purifying Technology Co., Ltd.
Hainan Litree Purifying Technology Co., Ltd. is a leading Chinese manufacturer specializing in ultrafiltration membrane technology. The company provides advanced water purification and treatment solutions for residential, commercial, and industrial applications, serving diverse industries including utilities and manufacturing.

HIDRO-WATER S.L.U
Hidro-Water S.L.U specializes in the manufacturing and provision of advanced water treatment equipment. Based in Spain, they offer solutions for residential, industrial, and municipal applications, focusing on technologies like reverse osmosis, ultrafiltration, and greywater recycling to enhance water quality and sustainability.

Hidrofilt Ltd.
Hidrofilt Ltd. is a leading designer, manufacturer, and operator in water treatment solutions, specializing in filtration technologies and wastewater treatment plants. Serving diverse industries, it provides comprehensive services from design to maintenance, ensuring efficient and sustainable water management across Europe.

Hydranautics – A Nitto Group Company
Hydranautics, a Nitto Group Company, specializes in advanced membrane technologies, offering solutions like reverse osmosis, ultrafiltration, microfiltration, and nanofiltration for water treatment. As a leading equipment manufacturer and technology provider, they serve the water management and utilities industries across North America.

Lenntech B.V.
Lenntech B.V. specializes in providing tailor-made water treatment solutions, offering a range of services including reverse osmosis, ultrafiltration, and containerized systems. Operating primarily in Europe, they cater to industries such as food and beverage, utilities, and manufacturing, ensuring efficient water reuse and treatment.

Lexcru Water Tech Pvt. Ltd.
Lexcru Water Tech Pvt. Ltd. specializes in providing comprehensive solutions for domestic and industrial water treatment, including RO components and systems. Based in India, the company serves various industries with advanced filtration and purification technologies, ensuring efficient water management and sustainability.

Metalife S.r.l.
Metalife S.r.l. is a leading international supplier of water treatment solutions, specializing in advanced filtration technologies and consulting services. Based in Italy, the company serves various industries, including construction, manufacturing, and utilities, providing innovative equipment and systems for effective water purification and management.

Pure Water Group
Pure Water Group specializes in sustainable Electro Deionization (EDI) and Electro Dialysis Reversal (EDR) equipment, providing high purity water systems for various industrial applications. With a focus on innovative membrane technologies, they serve the European market, offering solutions for water treatment and reuse.
tzalul water purification and filtration ltd
Tzalul Water Purification and Filtration Ltd specializes in providing advanced water dispensers and filtration systems for both business and residential sectors in Israel. They offer solutions for scale prevention, reverse osmosis systems, and water softeners, ensuring high-quality, purified water tailored to customer needs.
Vontron Technology Co., Ltd.
Vontron Technology Co., Ltd. is a leading Chinese company specializing in the research, manufacture, and sale of separation membranes and related materials. With over 24 years of experience, Vontron serves a global clientele, providing advanced solutions for water treatment, including reverse osmosis and nanofiltration technologies.

W.F. S.r.l.
W.F. S.r.l. is a leading Italian manufacturer specializing in advanced water treatment equipment. They offer a wide range of filtration systems, including UV disinfection and point-of-use filters, catering to industries such as manufacturing and utilities. Their expertise in pressure-driven membrane systems and adsorption-based technologies ensures high-quality water purification solutions.

Watch Water GmbH
Watch Water GmbH specializes in water filtration and treatment solutions, offering advanced technologies and consultancy services to enhance water quality across various industries. Based in Germany, they cater primarily to the European market, focusing on utilities, manufacturing, and waste management sectors.

Yuyao Ruiao Water Purification Equipment Co., Ltd.
Yuyao Ruiao Water Purification Equipment Co., Ltd. specializes in manufacturing advanced water purification equipment, serving industries such as construction, manufacturing, and utilities. Based in China, the company provides solutions like reverse osmosis and ultrafiltration for effective water treatment and infrastructure development.
Aquacells Membrane Technologies Co.,Ltd
Aquacells Membrane Technologies Co., Ltd is a leading Chinese company specializing in advanced EDI systems and membrane technologies. With a focus on high-end pure water equipment, they serve diverse industries, including energy, manufacturing, and utilities, providing innovative solutions for water treatment and purification.

BAYSU WATER TREATMENT SYSTEMS
BAYSU WATER TREATMENT SYSTEMS specializes in providing advanced water treatment solutions, including equipment manufacturing and system integration. Serving diverse industries, they focus on technologies such as reverse osmosis and ultrafiltration to ensure efficient water purification and treatment across Europe, MEA, and APAC regions.
CHEMRA GmbH
CHEMRA GmbH, based in Germany, specializes in developing and producing functional polymers for ion exchange, chromatography, adsorption, and catalysis. With over 30 years of experience, they offer consulting and support services globally, focusing on cost-effective process improvements for diverse industries.

Chemsys UAB
Chemsys UAB is a leading wholesaler of water treatment components and chemicals, offering a wide range of products including reverse osmosis systems and filtration materials. With a large warehouse and global partnerships, they ensure prompt deliveries and competitive pricing for their clients across Europe and beyond.
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.
Explore Related Categories
Membrane Technologies
High-Purity & Desalination
Related Articles from Aguato Insider
- Nanofiltration: How It Works and Industrial Applications
- RO vs Nanofiltration vs Ultrafiltration: Which to Choose
- Ultrafiltration Systems: A Technical Guide for Industrial Applications
- Reverse Osmosis Systems: Industrial Design, Sizing, and Operation
- Zero Liquid Discharge: When ZLD Makes Sense and When It Doesn't
- Industrial Water Purification: Deionisation, EDI, and High-Purity Water Systems