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.
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Showing 141-160 of 187
187 results from 187 matched providers
SGM Lektra S.r.l.
SGM Lektra S.r.l. specializes in advanced water treatment solutions, offering a range of equipment and technologies for industrial and municipal applications. With a focus on innovation, they serve diverse industries including construction, manufacturing, and utilities across Europe.

Shanghai Geteng Water Treatment Technology Co., Ltd.
Shanghai Geteng Water Treatment Technology Co., Ltd. is a manufactory producing RO membrane elements. Established in 2007, located in Shanghai, China, GT has exported domestic and industrial RO membrane elements to 24 countries all over the world, and gained good quality & good service reputation. GT is always trying to offer best quality RO membrane element with reasonable price & reliable quality, welcome you join us to get a win-win situation!

Swun Chyan Enterprises Co.,LTD.
Swun Chyan Enterprises Co., Ltd. specializes in the manufacturing and integration of reverse osmosis water systems, water filter housings, and R.O. membrane housings. With over 20 years of experience, they serve the construction, manufacturing, and utilities sectors in the Asia-Pacific region.
UET Water - Universal Environmental Technologies, Inc
PFAS, sediment & turbidity reduction, chemical, iron, manganese and sulfur removal, PH correction & neutralization), water softening, process validation and performance testing.
Zhejiang Morejoy Water Purification Technology Co., Ltd.
Zhejiang Morejoy Water Purification Technology Co., Ltd. specializes in manufacturing advanced water purification equipment and providing cutting-edge technology solutions for efficient water treatment processes across various industries in China and the Asia-Pacific region.

ZwitterCo
ZwitterCo specializes in advanced membrane technology designed to purify even the most challenging and high-fouling water streams, catering to industries requiring robust filtration solutions.

AQ Group
We take care of cooling towers: water treatment (also chemical free), cleaning, maintenance and legionella control. We also do legionella risk control of drinking water systems and subsequent technical adjustments. Furthermore we are specialized in the delivery and maintenance of water softeners, reversed osmosis, demiwater and humidification installations.
Haima
Haima Membraantechnologie develops, produces, and supplies membrane systems for water treatment. Haima specializes in reverse osmosis, nanofiltration, and ultrafiltration for drinking water, process water, and wastewater treatment.

Hangzhou Haina environmental protection Technology Co., Ltd
Hangzhou Haina Environmental Protection Technology Co., Ltd specializes in the production of RO membranes, serving various industries with advanced filtration and separation technologies. Based in China, the company caters to the Asia-Pacific region, focusing on manufacturing and utility sectors.
ProMinent
ProMinent is a global supplier of pumps, metering systems, and water treatment solutions. ProMinent provides, among other things, dosing pumps, measurement instruments, disinfection systems, and process equipment.

Shanghai Wecome Environmental Technology Co., Ltd.
Shanghai Wecome Environmental Technology Co., Ltd. specializes in the manufacturing and provision of reverse osmosis membranes and related technologies, serving the water treatment industry across China and the Asia-Pacific region.

Aqua Life
Aqua Life specializes in unique desalination systems, providing innovative solutions for water treatment challenges. Based in Poland, they focus on delivering advanced technology to efficiently convert seawater into potable water, catering primarily to the utilities sector in Europe.

Aquaporin A/S
We are dedicated to revolutionizing the way we treat water by harnessing nature's own method of treating water.

BeWee S.r.l.
BeWee S.r.l. specializes in the design and manufacture of smart water dispensers, integrating advanced IoT technology for enhanced user experience. Their products, crafted entirely in Italy, focus on sustainability and efficiency, offering solutions for homes, offices, and restaurants.

BWT Nederland
BWT stands for Best Water Technology and is the leading water technology group in Europe. BWT develops and produces innovative technologies for water treatment for the pharmaceutical industry, process industry, households, and the beverage industry.

Canature Health Technology Group Co., Ltd
Canature Health Technology Group Co., Ltd is a leading Chinese manufacturer specializing in residential water filters and softeners. They provide comprehensive water treatment solutions, including reverse osmosis systems and point-of-use filters, catering to both domestic and international markets.
CIW Techniek
CIW Techniek specializes in the engineering and realization of industrial water treatment systems for the (petro)chemical, metal, food, and paper industries. CIW designs and constructs ion exchangers, membrane systems, neutralization plants, and biological purification systems.
clover
Clover is a leading provider of water coolers and dispensers, offering innovative solutions for safe and clean water delivery worldwide. Based in South Korea, Clover serves the Asia-Pacific market with a focus on quality and reliability, catering to both the food and beverage industry and retail sectors.

Colubris Cleantech
Colubris Cleantech supplies high-quality water treatment plants and customized solutions for the industrial market. This includes membrane filtration (MBR, UF, NF, RO), flotation, DAF, and water treatment chemistry. Colubris provides process water, purifies wastewater, and reclaims water.
Coway
Coway is a leading brand of water purifiers.
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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