Company lists · Data refreshed October 2026

Top 25 Industrial water system maintenance companies worldwide

Name: Industrial water system maintenance companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 11,701 companies tracked

RevenueBase identified 11,701 company matches for industrial water system maintenance companies worldwide as of October 2026 and tracks 135,662 professional contacts across them, including 31,127 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for industrial water system maintenance 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 October 16, 2026. Country and city lists for industrial water system maintenance 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 Oct 16, 2026 How this list was built

11,701Companies

135,662Contacts tracked

31,127Verified emails

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The 25 largest industrial water system maintenance companies worldwide

Ranked by team size

Top 25 of 11,701 company matches for industrial water system maintenance companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	NCH	Exact match	Wilmington, DE, United StatesHQ recorded Oct 16, 2026	10001+	2,497 contacts →
	Exact match “Cleaning water, conserving energy and delivering maintenance solutions since 1919.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	VA Tech Wabag LTD	Exact match	Wabag House, IndiaHQ recorded Oct 16, 2026	1,001-5,000	2,412 contacts →
	Exact match “WABAG, a global leader in the water industry, is backed by rich experience spanning over 100 years.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,282 contacts →
	Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	MPW Industrial Services	Exact match	Hebron, OH, PalestineHQ recorded Oct 16, 2026	1,001-5,000	1,518 contacts →
	Exact match “As the leading provider of integrated, technology-based industrial cleaning, water purification, facility management, and total waste services in North America, MPW assists in…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	Chemtreat	Exact match	Glen Allen, VA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,475 contacts →
	Exact match “At ChemTreat, we understand that water is a vital resource for our planet.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Kurita Group	Exact match	Tokyo, JapanHQ recorded Oct 16, 2026	5,001-10,000	1,433 contacts →
	Exact match “For more than 70 years, since its founding in 1949, Kurita Water Industries has been consistently operating in two areas of "water and the environment." Kurita Group provides…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Oct 16, 2026	1,001-5,000	1,342 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Oct 16, 2026	1,001-5,000	1,167 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	Volvo Eicher Commerical Vehical Limited	Exact match	Dhar, IndiaHQ recorded Oct 16, 2026	n/a	1,155 contacts →
	Exact match “Volvo Eicher Commerical Vehical Limited Service Provider of waste water recycling systems, drinking water plant & industrial water treatment in Indore, Madhya Pradesh.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	Chem-Aqua, INC	Exact match	Wilmington, DE, United StatesHQ recorded Oct 16, 2026	10001+	901 contacts →
	Exact match “Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11	OVIVO	Exact match	Montreal, QC, CanadaHQ recorded Oct 16, 2026	501-1,000	839 contacts →
	Exact match “Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12	Grupo Bauminas	Exact match	Cataguazes, BrazilHQ recorded Oct 16, 2026	1,001-5,000	685 contacts →
	Exact match “Sobre a BAUMINAS Fundada há mais de 60 anos, a BAUMINAS é uma empresa orgulhosamente nacional, com ampla experiência na fabricação de produtos para o tratamento de águas e tem…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	Culligan France	Exact match	Versailles, FranceHQ recorded Oct 16, 2026	1,001-5,000	674 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 · Oct 16, 2026 · View company records in RevenueBase
14	Maclellan Integrated Services, INC	Exact match	Lexington, KY, United StatesHQ recorded Oct 16, 2026	1,001-5,000	674 contacts →
	Exact match “MacLellan Integrated Services provides critical process cleaning services, process equipment and robotics maintenance, production line side support, sludge and wastewater…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	Scania Industrial Maintenance AB	Exact match	Södertälje, SwedenHQ recorded Oct 16, 2026	501-1,000	639 contacts →
	Exact match “Scania Industrial Maintenance support Scania in Sweden with technical services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	IDE Technologies	Exact match	Kadima, IsraelHQ recorded Oct 16, 2026	501-1,000	626 contacts →
	Exact match “A world leader in water treatment solutions, IDE specializes in the development, engineering, construction and operation of enhanced desalination and industrial water treatment…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	Westech Engineering	Exact match	Salt Lake City, UT, United StatesHQ recorded Oct 16, 2026	501-1,000	577 contacts →
	Exact match “WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	Selwood LTD	Exact match	Eastleigh, United KingdomHQ recorded Oct 16, 2026	501-1,000	506 contacts →
	Exact match “Selwood is your trusted partner in mission-critical water handling, storage, and treatment solutions across the UK.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	Culligan Italiana S.P.A	Exact match	Bologna, ItalyHQ recorded Oct 16, 2026	201-500	477 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 · Oct 16, 2026 · View company records in RevenueBase
20	3m	Exact match	Velika Gorica, CroatiaHQ recorded Oct 16, 2026	n/a	467 contacts →
	Exact match “Company for production,trading, dealership and services engineering for pool water, drinking, waste and industry water - desinfection - neutralization - softening - dosing -…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	NCH Europe	Exact match	Wolverhampton, United KingdomHQ recorded Oct 16, 2026	10001+	466 contacts →
	Exact match “Industrial solutions since 1919 At NCH, we don’t just sell products-we deliver solutions that keep businesses moving.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	GMB	Exact match	Opheusden, NetherlandsHQ recorded Oct 16, 2026	501-1,000	452 contacts →
	Exact match “Al ruim een halve eeuw zetten we ons in voor duurzame oplossingen op het gebied van waterkwaliteit, waterveiligheid, bio-energie en industriële bouw en infra.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	Fives Maintenance	Exact match	Montévrain, FranceHQ recorded Oct 16, 2026	501-1,000	443 contacts →
	Exact match “Spécialiste de la maintenance industrielle depuis plus de vingt ans, Fives intervient dans le cadre de contrats à obligation de résultats pour assurer la maintenance préventive…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24	John W. Danforth Company	Exact match	Tonawanda, NY, United StatesHQ recorded Oct 16, 2026	501-1,000	410 contacts →
	Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	Proxa Water	Exact match	Woodmead, South AfricaHQ recorded Oct 16, 2026	201-500	376 contacts →
	Exact match “Proxa is a leading water treatment specialist whose integrated services cover the entire water cycle and span numerous global industries, including: mining, food & beverage…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “industrial water system maintenance companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 11,701 industrial water system maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 31,127 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial water system maintenance companies worldwide at a glance

As of Oct 16, 2026

22.9%Verified-email coverage

11.6Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

4,828

11-50

4,699

51-200

1,533

201-500

354

501-1,000

1,001-5,000

5,001-10,000

10001+

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 industrial water system maintenance companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial water system maintenance 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 31,127 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 October 16, 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.

Industrial water system maintenance companies by location

40 lists · largest first

Every Industrial water system maintenance companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many industrial water system maintenance companies are there worldwide?

RevenueBase identified 11,701 company matches for industrial water system maintenance companies worldwide as of October 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?

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

Which country has the most industrial water system maintenance companies?

The United States leads with 2,144 companies, followed by India (877) and Italy (842). Every industrial water system maintenance companies list by country and city is linked on this page.

Which city has the most industrial water system maintenance companies?

Sao Paulo leads with 100 company records, followed by Pune (76) and Dubai (68).

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 31,127 professional contacts with verified work emails tracked across these 11,701 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 October 16, 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.