Company lists · Data refreshed November 2026

Top 25 Circulating water system companies worldwide

RevenueBase identified 3,669 company matches for circulating water system companies worldwide as of November 2026 and tracks 38,251 professional contacts across them, including 9,883 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers company matches for circulating water system companies 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 circulating water system companies 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
3,669Companies
38,251Contacts tracked
9,883Verified emails
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The 25 largest circulating water system companies worldwide

Ranked by team size
Top 25 of 3,669 company matches for circulating water system companies 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 matchWilmington, DE, United StatesHQ recorded Nov 6, 202610001+922 contacts →

Exact match

“Chem-Aqua is a unique combination of knowledge, experience and stability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchTonawanda, NY, United StatesHQ recorded Nov 6, 2026501-1,000420 contacts →

Exact match

“We are powered by the best people in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCoventry, United KingdomHQ recorded Nov 6, 20261,001-5,000310 contacts →

Exact match

“Severn Trent Services offer a range of services to municipal and industrial clients, including the Ministry of Defence and the Coal Authority, for design, build and operation of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMandeville, JamaicaHQ recorded Nov 6, 2026201-500300 contacts →

Exact match

“For nearly 100 years, MECO has been a world leader in designing and constructing engineered solutions for water purification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCapinzal, BrazilHQ recorded Nov 6, 2026201-500285 contacts →

Exact match

“Somos uma das principais indústrias do segmento metalmecânico, com sede em Santa Catarina e atuação internacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

“Chembond Water Technologies Limited specializes in delivering advanced water treatment solutions for industrial and institutional applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchAdelaide, AustraliaHQ recorded Nov 6, 2026201-500237 contacts →

Exact match

“Company Overview: TRILITY is an established industry leader, dedicated in the delivery of water, wastewater, reuse and bio-solids solutions across Australia and New Zealand’s…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchQuezon City, PhilippinesHQ recorded Nov 6, 202651-200226 contacts →

Exact match

“Amici Group of Companies, the trusted partner in water systems by over 100 hotels nationwide, originated in 1976 and continues to cater the world class needs of its clients like…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGüzelbahçe, TürkiyeHQ recorded Nov 6, 2026501-1,000221 contacts →

Exact match

“MAT FILTRATION TECHNOLOGIES is a design and manufacturing leader of specialty water treatment equipment for industrial & municipal applications, Recirculating Aquaculture Systems…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCoraopolis, PA, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSingaporeHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“Founded in 2006, SANLI is an environmental engineering company with more than 10 years of experience in the field of water and waste management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDerrimut, AustraliaHQ recorded Nov 6, 2026201-500181 contacts →

Exact match

“NPE is a trusted partner to Australia’s leading mining, heavy industry, and oil & gas companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLenexa, KS, United StatesHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

“S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRandfontein, South AfricaHQ recorded Nov 6, 2026201-500176 contacts →

Exact match

“Watercare Innovations is a water purification supplier, delivering tailor-made solutions in the fields of water treatment chemicals, and engineered plants such as potable and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNaas, IrelandHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Whitewater Group is a multi-disciplinary engineering company with water at the heart of everything we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchSydney Olympic Park, AustraliaHQ recorded Nov 6, 2026201-500171 contacts →

Exact match

“At Atlan Stormwater, we draw on more than 45 years’ experience in the design, testing and manufacture of water treatment systems that are utilised in over 45 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact 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
23Exact matchRossdorf, GermanyHQ recorded Nov 6, 20261,001-5,000163 contacts →

Exact match

“EnviroChemie is a system provider for holistic industrial water management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPune, IndiaHQ recorded Nov 6, 2026201-500156 contacts →

Exact match

“Aquatech is a global leader in water purification systems and wastewater treatment technology for industrial and infrastructure markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCanning Vale, AustraliaHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“With over 30 years specialising and innovation in purpose-built and complete water package pumping and treatment solutions locally, nationally and internationally, it’s our vision…”

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

Showing 25 of 3,669 circulating water system companies worldwide

See the full list, filter by size, metro and specialty, and access 9,883 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Circulating water system companies worldwide at a glance

As of Nov 6, 2026
25.8%Verified-email coverage
10.4Average contacts per company
11-50Median size (employees)
0.7%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,422
11-50
1,545
51-200
475
201-500
125
501-1,000
24
1,001-5,000
16
5,001-10,000
4
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 circulating water system companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “circulating water system companies” 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 9,883 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.

Circulating water system companies by location

19 lists · largest first

Every Circulating water system companies 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 “circulating water system companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many circulating water system companies are there worldwide?

RevenueBase identified 3,669 company matches for circulating water system companies 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?

Chem-Aqua, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most circulating water system companies?

The United States leads with 638 companies, followed by Italy (280) and India (253). Every circulating water system companies list by country and city is linked on this page.

Which city has the most circulating water system companies?

Istanbul leads with 26 company records, followed by Ahmedabad (25) and Tehran (25).

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 9,883 professional contacts with verified work emails tracked across these 3,669 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.