Company lists · Data refreshed November 2026

Top 25 Reverse osmosis service providers worldwide

RevenueBase identified 4,199 company matches for reverse osmosis service providers worldwide as of November 2026 and tracks 33,564 professional contacts across them, including 5,147 with verified work emails. The United States is the largest market and Delhi the largest hub.

This list covers company matches for reverse osmosis service providers 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 service providers 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
4,199Companies
33,564Contacts tracked
5,147Verified emails
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The 25 largest reverse osmosis service providers worldwide

Ranked by team size
Top 25 of 4,199 company matches for reverse osmosis service providers 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 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
2Exact 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
3Exact matchBologna, ItalyHQ recorded Nov 6, 2026201-500499 contacts →

Exact match

“Culligan Italiana è in grado di offrire la soluzione ideale per ogni tipologia di trattamento acqua: piccoli impianti ad uso domestico, erogatori d'acqua per uffici e ristoranti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNewbury, OH, United KingdomHQ recorded Nov 6, 2026201-500403 contacts →

Exact match

“Founded in 1970, Kinetico pioneered the development of non-electric, fully automatic water treatment systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEyup, TürkiyeHQ recorded Nov 6, 202651-200398 contacts →

Exact match

“Waternet Su Hizmetleri A.Ş, 2012 yılında sağlıklı yaşamın temel gerekliliklerinden biri olan sağlıklı suyu en güvenilir ve kolay şekilde tüketici ile buluşturmak amacıyla…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 202651-200380 contacts →

Exact match

“At Culligan Water Conditioning of Jacksonville FL, we not only aim to provide better water to the community, we are also committed to building a better, more sustainable world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 2026201-500353 contacts →

Exact match

“CN Water is the leading provider of next-generation water technology products and water system lifecycle solutions to meet the unique needs of the Indian pharmaceutical, life…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDelhi, IndiaHQ recorded Nov 6, 2026201-500302 contacts →

Exact match

“Livpure Smart, a one-of-its-kind water service, brings you pure drinking water processed through an advanced 7-stage purification process at just Rs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact 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
11Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Formed in 2017 following the consolidation of independent water treatment solution providers Emefcy and RWL Water, Fluence Corporation was established with the vision of becoming…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTomares, SpainHQ recorded Nov 6, 2026501-1,000186 contacts →

Exact match

“Culligan es conocida por la alta calidad en el tratamiento de piscinas, por su implantación de descalcificadores y equipos de ósmosis inversa en el mercado doméstico, y por la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAjman, United Arab EmiratesHQ recorded Nov 6, 2026201-500168 contacts →

Exact match

“Moalajah is a leading company providing water and waste-water services to its clients in UAE.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSingapore, United StatesHQ recorded Nov 6, 2026201-500165 contacts →

Exact match

“Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNeuss, GermanyHQ recorded Nov 6, 2026201-500152 contacts →

Exact match

“Qualitativ hochwertiges Trinkwasser ist ein unschätzbares Gut.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact 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
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 matchSan Jose, Costa RicaHQ recorded Nov 6, 2026501-1,00088 contacts →

Exact match

“En +Pura®, no vendemos agua, vendemos fuentes de salud.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMonmouth, United KingdomHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“At Siltbuster Ltd, we operate the UK’s largest rental fleet of water treatment systems, setting the industry benchmark for rapid, reliable, and cost-effective solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact matchSouth AfricaHQ recorded Nov 6, 2026201-50084 contacts →

Exact match

“At JoJo, we are dedicated to providing all-inclusive water solutions that enhance the quality of life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJeddah, Saudi ArabiaHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Kindasa Water Services (KWS) is a limited liability company incorporated in Jeddah, Saudi Arabia in the year It is the first private potable water supply company engaged in…”

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

Showing 25 of 4,199 reverse osmosis service providers worldwide

See the full list, filter by size, metro and specialty, and access 5,147 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Reverse osmosis service providers worldwide at a glance

As of Nov 6, 2026
15.3%Verified-email coverage
8.0Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Delhi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,929
11-50
1,487
51-200
520
201-500
124
501-1,000
30
1,001-5,000
18
5,001-10,000
2
10001+
2

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 service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “reverse osmosis service providers” 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 5,147 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 service providers by location

16 lists · largest first

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

How many reverse osmosis service providers are there worldwide?

RevenueBase identified 4,199 company matches for reverse osmosis service providers 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?

Culligan France tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most reverse osmosis service providers?

The United States leads with 1,046 companies, followed by India (754) and Italy (127). Every reverse osmosis service providers list by country and city is linked on this page.

Which city has the most reverse osmosis service providers?

Delhi leads with 58 company records, followed by Chennai (54) and Pune (46).

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 5,147 professional contacts with verified work emails tracked across these 4,199 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.