Company lists · Data refreshed October 2026

Top 25 Industrial process water contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 13,623 companies tracked

RevenueBase identified 13,623 company matches for industrial process water contractors worldwide as of October 2026 and tracks 217,768 professional contacts across them, including 54,064 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for industrial process water 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 process water 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

13,623Companies

217,768Contacts tracked

54,064Verified emails

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The 25 largest industrial process water contractors worldwide

Ranked by team size

Top 25 of 13,623 company matches for industrial process water 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	Nalco Water, An Ecolab Company	Exact match	Naperville, IL, United StatesHQ recorded Oct 16, 2026	10001+	11,818 contacts →
	Exact match “A global leader in water and process management solutions, Nalco Water, an Ecolab company, works with customers across a wide range of industries to help meet their specific…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	Pentair	Exact match	London, United KingdomHQ recorded Oct 16, 2026	5,001-10,000	6,786 contacts →
	Exact match “At Pentair, we help the world sustainably move, improve, and enjoy water, life’s most essential resource.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3	Solenis	Exact match	Wilmington, DE, United StatesHQ recorded Oct 16, 2026	10001+	6,565 contacts →
	Exact match “Solenis is a leading global provider of water and hygiene solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	ION Exchange India LTD	Exact match	Mumbai, IndiaHQ recorded Oct 16, 2026	1,001-5,000	3,859 contacts →
	Exact match “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	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
6	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
7	Core & Main	Exact match	St. Louis, MO, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,230 contacts →
	Exact match “Based in St.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Praj Industries	Exact match	Pune, IndiaHQ recorded Oct 16, 2026	1,001-5,000	1,710 contacts →
	Exact match “Praj is a leading process solutions company with expertise in integrated offerings for bio-energy, high purity water solutions and engineering led businesses namely zero liquid…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	Select Water Solutions	Exact match	Gainesville, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,671 contacts →
	Exact match “Select is a leader in water management and chemical technology to our customers in the oil and gas industry, as well as in other industrial applications.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	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
14	Aquatech	Exact match	Canonsburg, PA, United StatesHQ recorded Oct 16, 2026	501-1,000	968 contacts →
	Exact match “Aquatech enables the world's most recognized companies to solve complex challenges in water reuse, desalination, minimal and zero liquid discharge, and critical minerals…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	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
16	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
17	Gradiant	Exact match	Woburn, MA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	874 contacts →
	Exact match “Gradiant is a Different Kind of Water Company.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	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
19	Nederman	Exact match	Helsingborg, SwedenHQ recorded Oct 16, 2026	1,001-5,000	781 contacts →
	Exact match “The Clean Air Company Nederman is one of the world's leading companies supplying products and services in the environmental technology sector focusing on industrial air filtration.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	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
21	Ceco Environmental Corporation	Exact match	Addison, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	692 contacts →
	Exact match “CECO Environmental is a leading environmentally focused, diversified industrial company whose solutions protect people, the environment, and industrial equipment across the globe…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	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
23	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
24	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
25	Nijhuis Saur Industries	Exact match	Doetinchem, NetherlandsHQ recorded Oct 16, 2026	1,001-5,000	578 contacts →
	Exact match “Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.” 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 process water 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 13,623 industrial process water contractors worldwide

See the full list, filter by size, metro and specialty, and access 54,064 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial process water contractors worldwide at a glance

As of Oct 16, 2026

24.8%Verified-email coverage

16.0Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Pune

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

5,501

11-50

5,210

51-200

2,028

201-500

504

501-1,000

139

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 process water contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial process water 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 54,064 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 process water contractors by location

54 lists · largest first

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

How many industrial process water contractors are there worldwide?

RevenueBase identified 13,623 company matches for industrial process water 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?

Nalco Water, An Ecolab Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most industrial process water contractors?

The United States leads with 2,441 companies, followed by India (1,541) and Brazil (623). Every industrial process water contractors list by country and city is linked on this page.

Which city has the most industrial process water contractors?

Pune leads with 130 company records, followed by Chennai (113) and Ahmedabad (109).

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 54,064 professional contacts with verified work emails tracked across these 13,623 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.