Company lists · Data refreshed September 2026

Top 25 Industrial water systems integrators based in the United States

RevenueBase identified 2,534 company matches for industrial water systems integrators associated with the United States as of September 2026 and tracks 85,518 professional contacts across them, including 33,855 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial water systems integrators associated with the United States, 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.

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
2,534Companies
85,518Contacts tracked
33,855Verified emails
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The 25 largest industrial water systems integrators based in the United States

Ranked by team size
Top 25 of 2,534 company matches for industrial water systems integrators based in the United States, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNaperville, IL, United StatesHQ recorded Sep 28, 202610001+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
2Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202610001+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
3Exact matchNorth Andover, MA, United StatesHQ recorded Sep 28, 20265,001-10,0002,503 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
4Exact matchWilmington, DE, United StatesHQ recorded Sep 28, 202610001+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
5Exact matchFort Wayne, IN, United StatesHQ recorded Sep 28, 20265,001-10,0001,949 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
6Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 28, 20261,001-5,0001,718 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
7Exact matchGainesville, TX, United StatesHQ recorded Sep 28, 20261,001-5,0001,605 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
8Exact matchGlen Allen, VA, United StatesHQ recorded Sep 28, 20261,001-5,0001,404 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
9Exact matchAurora, OH, United StatesHQ recorded Sep 28, 20261,001-5,0001,159 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
10Exact matchCanonsburg, PA, United StatesHQ recorded Sep 28, 2026501-1,000903 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
11Exact matchWilmington, DE, United StatesHQ recorded Sep 28, 202610001+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
12Exact matchLewisville, TX, United StatesHQ recorded Sep 28, 20261,001-5,000857 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
13Exact matchWoburn, MA, United StatesHQ recorded Sep 28, 20261,001-5,000813 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
14Exact matchAddison, TX, United StatesHQ recorded Sep 28, 20261,001-5,000646 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 · Sep 28, 2026 · View company records in RevenueBase
15Exact matchColumbus, OH, United StatesHQ recorded Sep 28, 20261,001-5,000587 contacts →

Exact match

“Established in 1963, OTC Industrial Technologies is one of the largest industrial distributors and service providers in the United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 28, 2026501-1,000554 contacts →

Exact match

“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 28, 2026501-1,000552 contacts →

Exact match

“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchShelby Twp., MI, United StatesHQ recorded Sep 28, 2026501-1,000447 contacts →

Exact match

“Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchBroomfield, CO, United StatesHQ recorded Sep 28, 2026501-1,000428 contacts →

Exact match

“As a leading U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchWaukegan, IL, United StatesHQ recorded Sep 28, 2026201-500389 contacts →

Exact match

“UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 28, 202651-200317 contacts →

Exact match

“Parkson Corporation is a supplier of innovative, cost effective solutions for potable water, process water, and industrial and municipal wastewater treatment.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSacramento, CA, United StatesHQ recorded Sep 28, 2026201-500313 contacts →

Exact match

“Tesco Controls, a UFT Company, is a full service systems integrator and original equipment manufacturer specializing in the WATER/WASTEWATER, TRANSPORTATION and ELECTRIC UTILITY…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchOld Saybrook, CT, United StatesHQ recorded Sep 28, 2026501-1,000295 contacts →

Exact match

“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchGreensboro, NC, United StatesHQ recorded Sep 28, 2026201-500278 contacts →

Exact match

“Tencarva Machinery Company is a trusted equipment distributor, engineering and design partner, ISO 9001 manufacturer, and full-service repair provider serving industrial and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchHershey, PA, United StatesHQ recorded Sep 28, 2026501-1,000268 contacts →

Exact match

“Keystone Clearwater Solutions is moving water forward with engineered solutions for safer, more efficient water transfer, water management, and environmental services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 2,534 industrial water systems integrators based in the United States

See the full list, filter by size, metro and specialty, and access 33,855 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial water systems integrators based in the United States at a glance

As of Sep 28, 2026
39.6%Verified-email coverage
33.7Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Houston
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
997
11-50
995
51-200
387
201-500
88
501-1,000
22
1,001-5,000
16
5,001-10,000
7
10001+
10

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,534 companies.

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.
What qualifies
Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 33,855 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 metro

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 based in the United States?

RevenueBase identified 2,534 company matches for industrial water systems integrators associated with the United States 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 city has the most industrial water systems integrators?

Houston leads with 63 company records, followed by Phoenix (21) and Indianapolis (19).

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 33,855 professional contacts with verified work emails tracked across these 2,534 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.