Company lists · Data refreshed September 2026

Top 25 Industrial water systems integrators worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 14,340 companies tracked

RevenueBase identified 14,340 company matches for industrial water systems integrators worldwide as of September 2026 and tracks 256,295 professional contacts across them, including 70,495 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for industrial water systems integrators 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 September 28, 2026. Country and city lists for industrial water systems integrators 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 Sep 28, 2026 How this list was built

14,340Companies

256,295Contacts tracked

70,495Verified emails

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The 25 largest industrial water systems integrators worldwide

Ranked by team size

Top 25 of 14,340 company matches for industrial water systems integrators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 2026	10001+	11,500 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 · Sep 28, 2026 · View company records in RevenueBase
2	XYLEM	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	10001+	9,320 contacts →
	Exact match “Xylem is the global leader in advanced technologies, solutions and services that address the world’s biggest water challenges.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Pentair	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	6,636 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 · Sep 28, 2026 · View company records in RevenueBase
4	ION Exchange India LTD	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	3,810 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 · Sep 28, 2026 · View company records in RevenueBase
5	ATS Corporation	Exact match	Cambridge, ON, CanadaHQ recorded Sep 28, 2026	5,001-10,000	2,754 contacts →
	Exact match “HELPING ADVANCE THE FUTURE ATS Corporation is an industry-leading automation solutions provider to many of the world's most successful companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Watts Water Technologies	Exact match	North Andover, MA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,503 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 · Sep 28, 2026 · View company records in RevenueBase
7	VA Tech Wabag LTD	Exact match	Wabag House, IndiaHQ recorded Sep 28, 2026	1,001-5,000	2,375 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 · Sep 28, 2026 · View company records in RevenueBase
8	NCH	Exact match	Wilmington, DE, United StatesHQ recorded Sep 28, 2026	10001+	2,361 contacts →
	Exact match “Cleaning water, conserving energy and delivering maintenance solutions since 1919.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Franklin Electric	Exact match	Fort Wayne, IN, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,949 contacts →
	Exact match “Founded in 1944, Franklin Electric has grown from a small motor manufacturing company into a global leader in the manufacturing and distribution of systems, focused on the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Praj Industries	Exact match	Pune, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,786 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 · Sep 28, 2026 · View company records in RevenueBase
11	Carollo Engineers	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,718 contacts →
	Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Select Water Solutions	Exact match	Gainesville, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,605 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 · Sep 28, 2026 · View company records in RevenueBase
13	MPW Industrial Services	Exact match	Hebron, OH, PalestineHQ recorded Sep 28, 2026	1,001-5,000	1,485 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 · Sep 28, 2026 · View company records in RevenueBase
14	Chemtreat	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,404 contacts →
	Exact match “At ChemTreat, we understand that water is a vital resource for our planet.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Kurita Group	Exact match	Tokyo, JapanHQ recorded Sep 28, 2026	5,001-10,000	1,360 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 · Sep 28, 2026 · View company records in RevenueBase
16	Volvo Eicher Commerical Vehical Limited	Exact match	Dhar, IndiaHQ recorded Sep 28, 2026	n/a	1,196 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 · Sep 28, 2026 · View company records in RevenueBase
17	Rovisys	Exact match	Aurora, OH, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,159 contacts →
	Exact match “As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Aquatech	Exact match	Canonsburg, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	903 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 · Sep 28, 2026 · View company records in RevenueBase
19	MWH Treatment	Exact match	Stockport, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	879 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 · Sep 28, 2026 · View company records in RevenueBase
20	Chem-Aqua, INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 28, 2026	10001+	864 contacts →
	Exact match “Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Prime Controls	Exact match	Lewisville, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	857 contacts →
	Exact match “Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	OVIVO	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	501-1,000	829 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 · Sep 28, 2026 · View company records in RevenueBase
23	Gradiant	Exact match	Woburn, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	813 contacts →
	Exact match “Gradiant is a Different Kind of Water Company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Trojan Technologies	Exact match	London, ON, CanadaHQ recorded Sep 28, 2026	501-1,000	716 contacts →
	Exact match “Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Grupo Bauminas	Exact match	Cataguazes, BrazilHQ recorded Sep 28, 2026	1,001-5,000	650 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 · Sep 28, 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 systems integrators”. 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 14,340 industrial water systems integrators worldwide

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Industrial water systems integrators worldwide at a glance

As of Sep 28, 2026

27.5%Verified-email coverage

17.9Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Pune

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

5,573

11-50

5,657

51-200

2,136

201-500

561

501-1,000

160

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 systems integrators are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial water systems integrators” 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 70,495 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 September 28, 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 systems integrators by location

61 lists · largest first

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

How many industrial water systems integrators are there worldwide?

RevenueBase identified 14,340 company matches for industrial water systems integrators worldwide as of September 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 systems integrators?

The United States leads with 2,534 companies, followed by India (1,659) and Italy (708). Every industrial water systems integrators list by country and city is linked on this page.

Which city has the most industrial water systems integrators?

Pune leads with 162 company records, followed by Ahmedabad (125) and Chennai (117).

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 70,495 professional contacts with verified work emails tracked across these 14,340 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 September 28, 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.