Company lists · Data refreshed October 2026

Top 25 Industrial water maintenance contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 8,631 companies tracked

RevenueBase identified 8,631 company matches for industrial water maintenance contractors worldwide as of October 2026 and tracks 105,374 professional contacts across them, including 22,314 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for industrial water maintenance contractors 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 maintenance contractors 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

8,631Companies

105,374Contacts tracked

22,314Verified emails

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The 25 largest industrial water maintenance contractors worldwide

Ranked by team size

Top 25 of 8,631 company matches for industrial water maintenance contractors 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	Safetykleen	Exact match	Brentford, United KingdomHQ recorded Oct 16, 2026	1,001-5,000	1,309 contacts →
	Exact match “We are the World’s leading provider of chemical cleaning & environmental solutions offering a wide range of solutions to address the needs of our diverse customer base.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	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
8	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
9	Dubois Chemicals, INC	Exact match	Sharonville, OH, United StatesHQ recorded Oct 16, 2026	1,001-5,000	932 contacts →
	Exact match “DuBois has been serving customers since 1920.” 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	Trojan Technologies	Exact match	London, ON, CanadaHQ recorded Oct 16, 2026	501-1,000	737 contacts →
	Exact match “Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.” 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	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
14	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
15	Prommac PTY LTD	Exact match	Secunda, South AfricaHQ recorded Oct 16, 2026	1,001-5,000	615 contacts →
	Exact match “Prommac is a 68% Black Owned & 30% Black Woman Owned Level 1 B-BBEE certified company that forms part of the CG Tech group of companies that includes Kumunyack (SA), AL Laith…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	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
17	Thompson Industrial Services, LLC	Exact match	Sumter, SC, United StatesHQ recorded Oct 16, 2026	501-1,000	475 contacts →
	Exact match “Thompson Industrial Services, LLC offers the broadest line of specialized industrial cleaning services with advanced automated technology and seasoned personnel.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	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
19	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
20	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
21	Evergreen North America Industrial Services	Exact match	La Porte, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	404 contacts →
	Exact match “Evergreen North America Industrial Services offers a comprehensive range of Industrial Services for oil refineries, petrochemical plants, power generation plants, manufacturing…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	Fisia Italimpianti	Exact match	Genoa, ItalyHQ recorded Oct 16, 2026	51-200	378 contacts →
	Exact match “Fisia Italimpianti S.p.A, part of Webuild Group (the new group born in 2020 from Salini Impregilo), is a worldwide leader in the sustainable design and execution of water…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	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
24	Moncobra	Exact match	Madrid, SpainHQ recorded Oct 16, 2026	501-1,000	375 contacts →
	Exact match “Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	Evac Group	Exact match	Espoo, FinlandHQ recorded Oct 16, 2026	501-1,000	358 contacts →
	Exact match “Evac Group is a global leader in integrated water, waste and wastewater management solutions, as well as corrosion protection and marine growth prevention systems, for the marine…” 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 maintenance contractors”. 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 8,631 industrial water maintenance contractors worldwide

See the full list, filter by size, metro and specialty, and access 22,314 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial water maintenance contractors worldwide at a glance

As of Oct 16, 2026

21.2%Verified-email coverage

12.2Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Pune

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

3,503

11-50

3,321

51-200

1,264

201-500

293

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 maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial water maintenance contractors” 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 22,314 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 maintenance contractors by location

34 lists · largest first

Every Industrial water maintenance contractors 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 maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial water maintenance contractors are there worldwide?

RevenueBase identified 8,631 company matches for industrial water maintenance contractors 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 maintenance contractors?

The United States leads with 1,607 companies, followed by India (732) and Brazil (610). Every industrial water maintenance contractors list by country and city is linked on this page.

Which city has the most industrial water maintenance contractors?

Pune leads with 68 company records, followed by Sao Paulo (66) and Dubai (56).

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 22,314 professional contacts with verified work emails tracked across these 8,631 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.