Company lists · Data refreshed November 2026

Top 25 Reverse osmosis filter manufacturers worldwide

RevenueBase identified 3,455 company matches for reverse osmosis filter manufacturers worldwide as of November 2026 and tracks 35,840 professional contacts across them, including 5,922 with verified work emails. India is the largest market and Delhi the largest hub.

This list covers company matches for reverse osmosis filter manufacturers 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 filter manufacturers 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
3,455Companies
35,840Contacts tracked
5,922Verified emails
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The 25 largest reverse osmosis filter manufacturers worldwide

Ranked by team size
Top 25 of 3,455 company matches for reverse osmosis filter manufacturers 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 matchNoida, IndiaHQ recorded Nov 6, 20261,001-5,0003,424 contacts →

Exact match

“We are a healthcare products company with the mission to make world a healthier place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, ON, CanadaHQ recorded Nov 6, 2026501-1,000751 contacts →

Exact match

“Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchVersailles, FranceHQ recorded Nov 6, 20261,001-5,000700 contacts →

Exact match

“Spécialiste du traitement de l’eau depuis plus de 80 ans, Culligan apporte chaque jour une eau de qualité aux particuliers, aux entreprises et aux collectivités.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSaint - Denis, FranceHQ recorded Nov 6, 2026501-1,000594 contacts →

Exact match

“BWT France is one of the largest subsidiaries of Austrian group Best Water Technology ( BWT), the European leader in water treatment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBarcelona, SpainHQ recorded Nov 6, 20261,001-5,000517 contacts →

Exact match

“Eden, a proud part of the Culligan family, provides instant access to cleaner, safer, and better-tasting water through our unparalleled expertise in sustainability, science, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOr Yehuda, IsraelHQ recorded Nov 6, 20261,001-5,000380 contacts →

Exact match

“In Strauss Water, we are improving people's quality of life by creating the best water experience!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMinnetonka, MO, United StatesHQ recorded Nov 6, 2026501-1,000286 contacts →

Exact match

“Packard Culligan Water is a family-owned company with values based on relationships, unity, listening, and leading locally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLombard, IL, United StatesHQ recorded Nov 6, 2026501-1,000279 contacts →

Exact match

“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKibbutz Amiad, IsraelHQ recorded Nov 6, 2026501-1,000262 contacts →

Exact match

“For 6 decades, Amiad Water Systems has devoted its passion to developing technologically advanced water filtration systems for the irrigation and industrial segments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDereham, United KingdomHQ recorded Nov 6, 2026501-1,000258 contacts →

Exact match

“Culligan UK delivers innovative, high-quality water solutions to homes and businesses across the United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchIrpin, UkraineHQ recorded Nov 6, 2026201-500172 contacts →

Exact match

“Welcome to Ecosoft – a water engineering company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMaringá, BrazilHQ recorded Nov 6, 202651-200149 contacts →

Exact match

“A Purific está localizada na cidade de Maringá (PR).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPazin, CroatiaHQ recorded Nov 6, 2026n/a130 contacts →

Exact match

“Manufacturing of professional equipment and devices for water treatment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLas Condes, ChileHQ recorded Nov 6, 2026201-500122 contacts →

Exact match

“Líderes mundiales en Soluciones de Agua Desde 1936, Culligan se ha establecido como un líder global en soluciones de tratamiento de agua.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchJoinville, BrazilHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Somos uma empresa líder no mercado, especializada na fabricação de filtros, purificadores, elementos filtrantes e tecnologias para filtração de água há mais de 30 anos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGraham, NC, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Why Pureflow?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOxnard, CA, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“Puretec provides water treatment solutions that transform incoming city water into highly purified deionized water suitable for hundreds of industrial applications across dozens…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFarroupilha, BrazilHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“A Planeta Água é uma indústria que nasceu na Serra Gaúcha especializada em filtros e purificadores de água.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMexicoHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“Aqua Mex es una organización cuyo origen se remonta a 1962 con una meta en firme: diseñar, fabricar y vender los mejores equipos de tratamiento de agua en su totalidad; logrando…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact 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
25Exact matchAlfreton, United KingdomHQ recorded Nov 6, 2026201-50084 contacts →

Exact match

“Envirogen Group is a global leader in industrial water treatment and process filtration solutions.”

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

Showing 25 of 3,455 reverse osmosis filter manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 5,922 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Reverse osmosis filter manufacturers worldwide at a glance

As of Nov 6, 2026
16.5%Verified-email coverage
10.4Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Delhi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,394
11-50
1,177
51-200
577
201-500
153
501-1,000
44
1,001-5,000
30
5,001-10,000
2
10001+
5

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 filter manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “reverse osmosis filter manufacturers” 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 5,922 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 filter manufacturers by location

12 lists · largest first

Every Reverse osmosis filter manufacturers 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 filter manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many reverse osmosis filter manufacturers are there worldwide?

RevenueBase identified 3,455 company matches for reverse osmosis filter manufacturers 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?

Kent RO Systems LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most reverse osmosis filter manufacturers?

India leads with 765 companies, followed by the United States (701) and Brazil (115). Every reverse osmosis filter manufacturers list by country and city is linked on this page.

Which city has the most reverse osmosis filter manufacturers?

Delhi leads with 63 company records, followed by Ahmedabad (52) and Chennai (52).

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 5,922 professional contacts with verified work emails tracked across these 3,455 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.