Company lists · Data refreshed November 2026

Top 25 Reverse osmosis membrane suppliers worldwide

RevenueBase identified 1,781 company matches for reverse osmosis membrane suppliers worldwide as of November 2026 and tracks 13,073 professional contacts across them, including 1,327 with verified work emails. India is the largest market and Delhi the largest hub.

This list covers company matches for reverse osmosis membrane suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for reverse osmosis membrane suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,781Companies
13,073Contacts tracked
1,327Verified emails
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The 25 largest reverse osmosis membrane suppliers worldwide

Ranked by team size
Top 25 of 1,781 company matches for reverse osmosis membrane suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAntalya, TürkiyeHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“Esli PWG Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSchriesheim, GermanyHQ recorded Nov 6, 2026201-500134 contacts →

Exact match

“Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAhmedabad, IndiaHQ recorded Nov 6, 20261,001-5,000111 contacts →

Exact match

“LEXCRU Water Tech Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCity Of Industry, CA, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Brio Water Technology is a water product supplier that carries the industry's leading quality and most cost-effective products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRochdale, United KingdomHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTallinn, EstoniaHQ recorded Nov 6, 20261,001-5,00086 contacts →

Exact match

“AQUAPHOR water filters is a leading technology developer and manufacturer of drinking water purifiers, water softeners, and commercial reverse osmosis systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMadison, WI, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMonroe, MI, United StatesHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“FEDCO is a global leader in the manufacture and sale of pumps and energy recovery devices (ERDs) for brackish and seawater reverse osmosis (RO) desalination systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMissisauga, ON, CanadaHQ recorded Nov 6, 2026n/a80 contacts →

Exact match

“Kent Water Purification Systems is a leading supplier of water purification systems in the Greater Toronto Area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Founded in 1965, Wigen Water Technologies® is a global leader in the production of custom water treatment systems, specializing in cost-effective and reliable solutions for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBlovice, Czech RepublicHQ recorded Nov 6, 2026201-50065 contacts →

Exact match

“Firma ProMinent Systems spol.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCanonsburg, PA, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“QUA®, with our headquarters in the USA, develops, manufactures and markets advanced membrane products for water, waste water and water reuse applications to leading OEM's…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDayton, OH, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBlairgowrie, South AfricaHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Sagisa is a filtration and water purification company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAldaia, SpainHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Manufacturer and wholesale exporter of equipment for water treatment, both domestic and industrial, specializing in: reverse osmosis, filtration, ultrafiltration, MBR…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchChennai, IndiaHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“CLAR AQUA PVT LTD, an ISO 9001 : 2015 certified, has an unsurpassed record for providing high quality solutions in all water and waste water treatment projects starting from…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVista, CA, United StatesHQ recorded Nov 6, 2026201-50056 contacts →

Exact match

“Global water technology solutions provider since 1983.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLivermore, CA, United StatesHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Manufacturer of a complete line of water treatment systems for homes and businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAlberton, South AfricaHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Perfect Water is the leaders in water purification and specialists in providing clean and safe drinking water to consumers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLoves Park, IL, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“WaterSurplus is a leader in sustainable water treatment, delivering high-performance solutions across industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchKalamazoo, MI, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Gordon Water Systems is frequently recognized as the top water treatment company in West Michigan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchZusmarshausen, GermanyHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Jede große Geschichte hat ihren Anfang, so auch die der Bela Aqua GmbH – oder die Geschichte der beiden Menschen, die dahinterstehen: Christine und Günter Brandl.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMorton Grove, IL, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“No matter what your water problem, Charger Water Treatment Products has a solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Membrion helps industrial facilities solve complex wastewater challenges that conventional treatment systems weren’t designed to handle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Pure Water Enterprises (Pure Water) is a leading water and wastewater technology distributor and service provider in India successfully forging more than customers since 1988.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,781 reverse osmosis membrane suppliers worldwide

See the full list, filter by size, metro and specialty, and access 1,327 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Reverse osmosis membrane suppliers worldwide at a glance

As of Nov 6, 2026
10.2%Verified-email coverage
7.3Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Delhi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
682
11-50
622
51-200
317
201-500
91
501-1,000
22
1,001-5,000
11
5,001-10,000
1
10001+
3

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for reverse osmosis membrane suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “reverse osmosis membrane suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,327 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Reverse osmosis membrane suppliers by location

2 lists · largest first

Every Reverse osmosis membrane suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “reverse osmosis membrane suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many reverse osmosis membrane suppliers are there worldwide?

RevenueBase identified 1,781 company matches for reverse osmosis membrane suppliers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Esli Pollet Water Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most reverse osmosis membrane suppliers?

India leads with 531 companies, followed by the United States (275). Every reverse osmosis membrane suppliers list by country and city is linked on this page.

Which city has the most reverse osmosis membrane suppliers?

Delhi leads with 48 company records, followed by Chennai (40) and Ahmedabad (36).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,327 professional contacts with verified work emails tracked across these 1,781 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.