Company lists · Data refreshed October 2026

Top 25 Industrial water processing companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 16,578 companies tracked

RevenueBase identified 16,578 company matches for industrial water processing companies worldwide as of October 2026 and tracks 273,490 professional contacts across them, including 66,205 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for industrial water processing 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 processing 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

16,578Companies

273,490Contacts tracked

66,205Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest industrial water processing companies worldwide

Ranked by team size

Top 25 of 16,578 company matches for industrial water processing 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	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	SAUR	Exact match	Issy-les-moulineaux, FranceHQ recorded Oct 16, 2026	10001+	3,842 contacts →
	Exact match “As a pure player in water and essential services, Saur works to protect the environment in the heart of the territories it serves.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Watts Water Technologies	Exact match	North Andover, MA, United StatesHQ recorded Oct 16, 2026	5,001-10,000	2,665 contacts →
	Exact match “We are a global leader of quality water solutions for residential, industrial, municipal, and commercial settings.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	Evoqua Water Technologies	Exact match	Washington, DC, United StatesHQ recorded Oct 16, 2026	10001+	2,590 contacts →
	Exact match “Evoqua has now joined Xylem.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	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
9	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
10	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
11	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
12	SNF	Exact match	Andrézieux-bouthéon, FranceHQ recorded Oct 16, 2026	5,001-10,000	1,668 contacts →
	Exact match “SNF is a water science global leader whose products contribute to treating, recycling, preserving water, saving energy, and reducing carbon footprint.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	Grupo Rotoplas	Exact match	Mexico City, MexicoHQ recorded Oct 16, 2026	1,001-5,000	1,590 contacts →
	Exact match “En Rotoplas tenemos como misión contribuir a mejorar la calidad de vida de las personas, a través de soluciones para almacenar, conducir, purificar y tratar el agua del hogar y…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	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
15	Aqualia	Exact match	Madrid, SpainHQ recorded Oct 16, 2026	5,001-10,000	1,507 contacts →
	Exact match “Aqualia es la cuarta empresa de gestión del agua de Europa y la novena del Mundo por población servida, según el último ranking de Global Water Intelligence (diciembre de 2024).” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	PSA	Exact match	Comuna 1, ArgentinaHQ recorded Oct 16, 2026	501-1,000	1,501 contacts →
	Exact match “PSA es una división de Industrias Pugliese s.a.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	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
18	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
19	DE Nora	Exact match	Milan, ItalyHQ recorded Oct 16, 2026	1,001-5,000	1,171 contacts →
	Exact match “Industrie De Nora S.p.A.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	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
21	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
22	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
23	MWH Treatment	Exact match	Stockport, United KingdomHQ recorded Oct 16, 2026	1,001-5,000	930 contacts →
	Exact match “MWH Treatment is a leading Design and Build non-infrastructure solution provider in the UK water sector, with a water sector heritage dating back to 1820.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24	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
25	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

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 processing 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 16,578 industrial water processing companies worldwide

See the full list, filter by size, metro and specialty, and access 66,205 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Industrial water processing companies worldwide at a glance

As of Oct 16, 2026

24.2%Verified-email coverage

16.5Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Pune

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

6,786

11-50

6,189

51-200

2,425

201-500

669

501-1,000

194

1,001-5,000

133

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 processing companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial water processing 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 66,205 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 processing companies by location

65 lists · largest first

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

How many industrial water processing companies are there worldwide?

RevenueBase identified 16,578 company matches for industrial water processing 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?

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 water processing companies?

The United States leads with 2,664 companies, followed by India (1,933) and Brazil (810). Every industrial water processing companies list by country and city is linked on this page.

Which city has the most industrial water processing companies?

Pune leads with 153 company records, followed by Ahmedabad (141) and Chennai (139).

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 66,205 professional contacts with verified work emails tracked across these 16,578 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.

Ready to reach these companies? Verified emails and direct dials for all 16,578 industrial water processing companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.