Company lists · Data refreshed September 2026

Top 25 Industrial water infrastructure based in the United States

Name: Industrial water infrastructure based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,602 companies tracked

RevenueBase identified 1,602 company matches for industrial water infrastructure associated with the United States as of September 2026 and tracks 84,298 professional contacts across them, including 33,649 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial water infrastructure 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 17, 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 17, 2026 How this list was built

1,602Companies

84,298Contacts tracked

33,649Verified emails

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The 25 largest industrial water infrastructure based in the United States

Ranked by team size

Top 25 of 1,602 company matches for industrial water infrastructure based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 17, 2026	10001+	12,999 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	XYLEM	Exact match	Washington, DC, United StatesHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
3	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	5,001-10,000	7,527 contacts →
	Exact match “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Watts Water Technologies	Exact match	North Andover, MA, United StatesHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
5	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,473 contacts →
	Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Core & Main	Exact match	St. Louis, MO, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,165 contacts →
	Exact match “Based in St.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Hazen And Sawyer	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,100 contacts →
	Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Carollo Engineers	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
9	AQUA	Exact match	Bryn Mawr, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,478 contacts →
	Exact match “Aqua is one of the largest U.S-based, publicly traded water and wastewater utilities, serving more than 3 million people in Illinois, Indiana, New Jersey, North Carolina…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Wssc Water	Exact match	Laurel, MD, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,288 contacts →
	Exact match “Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of nearly miles of drinking water pipeline and over…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Woodard & Curran	Exact match	Portland, ME, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,060 contacts →
	Exact match “Woodard & Curran is more than just a consulting firm – we are an employee-owned integrated science, engineering, design-build, and operations company specializing in water and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Garney Construction	Exact match	North Kansas City, MO, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,009 contacts →
	Exact match “Garney Construction is a national leader in water and wastewater construction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Inframark	Exact match	Horsham, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	973 contacts →
	Exact match “As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Aquatech	Exact match	Canonsburg, PA, United StatesHQ recorded Sep 17, 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 17, 2026 · View company records in RevenueBase
15	Chem-Aqua, INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 17, 2026	10001+	864 contacts →
	Exact match “Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Gradiant	Exact match	Woburn, MA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	813 contacts →
	Exact match “Gradiant is a Different Kind of Water Company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Kennedy Jenks	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	201-500	578 contacts →
	Exact match “For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Westech Engineering	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 17, 2026	501-1,000	554 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 17, 2026 · View company records in RevenueBase
19	Rockwater Energy Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	201-500	519 contacts →
	Exact match “Rockwater is now Select Chemistry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	MWH	Exact match	Broomfield, CO, United StatesHQ recorded Sep 17, 2026	501-1,000	428 contacts →
	Exact match “As a leading U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	UCC Environmental	Exact match	Waukegan, IL, United StatesHQ recorded Sep 17, 2026	201-500	389 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 17, 2026 · View company records in RevenueBase
22	Delta Constructors	Exact match	Anchorage, AK, United StatesHQ recorded Sep 17, 2026	501-1,000	380 contacts →
	Exact match “We are a full-service construction and fabrication group serving industrial clients of all sizes in water, wastewater, petroleum, gas processing and energy projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Ae2s Advanced Engineering And Environmental Services, LLC	Exact match	Grand Forks, ND, United StatesHQ recorded Sep 17, 2026	201-500	339 contacts →
	Exact match “AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Parkson Corporation	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Sep 17, 2026	51-200	317 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 17, 2026 · View company records in RevenueBase
25	Infiltrator Water Technologies Decentralized Wastewater Treatment Solutions	Exact match	Old Saybrook, CT, United StatesHQ recorded Sep 17, 2026	501-1,000	295 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 17, 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 infrastructure”. 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 1,602 industrial water infrastructure based in the United States

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Industrial water infrastructure based in the United States at a glance

As of Sep 17, 2026

39.9%Verified-email coverage

52.6Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

544

11-50

612

51-200

305

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,602 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 infrastructure” 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 33,649 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 17, 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.

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 infrastructure”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial water infrastructure are there based in the United States?

RevenueBase identified 1,602 company matches for industrial water infrastructure 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?

Tetra Tech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most industrial water infrastructure?

Houston leads with 47 company records, followed by Phoenix (17) and Charlotte (13).

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 33,649 professional contacts with verified work emails tracked across these 1,602 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 17, 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.