Company lists · Data refreshed October 2026

Top 25 Industrial water quality companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 13,542 companies tracked

RevenueBase identified 13,542 company matches for industrial water quality companies worldwide as of October 2026 and tracks 235,096 professional contacts across them, including 59,502 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for industrial water quality 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 quality 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

13,542Companies

235,096Contacts tracked

59,502Verified emails

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The 25 largest industrial water quality companies worldwide

Ranked by team size

Top 25 of 13,542 company matches for industrial water quality 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	Pall Corporation	Exact match	Port Washington, NY, United StatesHQ recorded Oct 16, 2026	5,001-10,000	4,667 contacts →
	Exact match “Our global associates are unified by a singular drive: to take on our customers’ biggest challenges.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	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
6	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
7	HACH	Exact match	Loveland, CO, United StatesHQ recorded Oct 16, 2026	1,001-5,000	3,237 contacts →
	Exact match “At Hach, we ensure water quality for people around the world, and every associate plays a vital role in that mission.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	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
9	Veolia Australia & NEW Zealand	Exact match	Pyrmont, AustraliaHQ recorded Oct 16, 2026	5,001-10,000	2,590 contacts →
	Exact match “Veolia Australia and New Zealand is a leading provider of environmental solutions across water and wastewater services, industrial cleaning, waste management and resource recovery…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	Culligan International	Exact match	Rosemont, IL, United StatesHQ recorded Oct 16, 2026	10001+	1,911 contacts →
	Exact match “There’s nothing more fundamental to life on Earth than water.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	Vitens	Exact match	Zwolle, NetherlandsHQ recorded Oct 16, 2026	1,001-5,000	1,756 contacts →
	Exact match “Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	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
16	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
17	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
18	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
19	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
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	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
23	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
24	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
25	Evides Waterbedrijf	Exact match	Rotterdam, NetherlandsHQ recorded Oct 16, 2026	501-1,000	817 contacts →
	Exact match “Duurzaam, innovatief en in verbinding met de omgeving; zo werkt Evides Waterbedrijf.” 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 quality 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 13,542 industrial water quality companies worldwide

See the full list, filter by size, metro and specialty, and access 59,502 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial water quality companies worldwide at a glance

As of Oct 16, 2026

25.3%Verified-email coverage

17.4Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Pune

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

5,707

11-50

5,041

51-200

1,875

201-500

490

501-1,000

146

1,001-5,000

114

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 quality companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial water quality 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 59,502 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 quality companies by location

55 lists · largest first

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

How many industrial water quality companies are there worldwide?

RevenueBase identified 13,542 company matches for industrial water quality 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 quality companies?

The United States leads with 2,334 companies, followed by India (1,512) and Brazil (685). Every industrial water quality companies list by country and city is linked on this page.

Which city has the most industrial water quality companies?

Pune leads with 128 company records, followed by Chennai (113) and Ahmedabad (111).

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 59,502 professional contacts with verified work emails tracked across these 13,542 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.