Company lists · Data refreshed October 2026

Top 25 Municipal water distributors based in the United States

RevenueBase identified 648 company matches for municipal water distributors associated with the United States as of October 2026 and tracks 27,708 professional contacts across them, including 11,512 with verified work emails. Grand Rapids is the largest hub.

This list covers company matches for municipal water distributors 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 October 18, 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 Oct 18, 2026 How this list was built
648Companies
27,708Contacts tracked
11,512Verified emails
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The 25 largest municipal water distributors based in the United States

Ranked by team size
Top 25 of 648 company matches for municipal water distributors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 matchCamden, NJ, United StatesHQ recorded Oct 18, 20265,001-10,0003,003 contacts →

Exact match

“American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchSt. Louis, MO, United StatesHQ recorded Oct 18, 20261,001-5,0002,230 contacts →

Exact match

“Based in St.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchBryn Mawr, PA, United StatesHQ recorded Oct 18, 20261,001-5,0001,531 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 · Oct 18, 2026 · View company records in RevenueBase
4Exact matchOakland, CA, United StatesHQ recorded Oct 18, 20261,001-5,0001,469 contacts →

Exact match

“East Bay Municipal Utility District is a California public utility that supplies high-quality drinking water, generates renewable energy and provides wastewater treatment and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchLaurel, MD, United StatesHQ recorded Oct 18, 20261,001-5,0001,321 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 · Oct 18, 2026 · View company records in RevenueBase
6Exact matchHorsham, PA, United StatesHQ recorded Oct 18, 20261,001-5,0001,053 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 · Oct 18, 2026 · View company records in RevenueBase
7Exact matchDenver, CO, United StatesHQ recorded Oct 18, 20261,001-5,000952 contacts →

Exact match

“Denver Water proudly serves high-quality water and promotes its efficient use to 1.5 million people in the city of Denver and many surrounding suburbs.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchPerris, CA, United StatesHQ recorded Oct 18, 2026501-1,000432 contacts →

Exact match

“Authorized under the Municipal Water District Act of 1911, EMWD's duties and responsibilities are further delineated in the California Water Code.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchLouisville, KY, United StatesHQ recorded Oct 18, 2026201-500418 contacts →

Exact match

“Every day, nearly one million people depend on Louisville Water Company to provide safe, high-quality drinking water.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchChino, CA, United StatesHQ recorded Oct 18, 2026201-500337 contacts →

Exact match

“The Inland Empire Utilities Agency (IEUA) is a municipal water district that supplies imported and recycled water; collects and treats wastewater; and provides other utility…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchSan Jose, CA, United StatesHQ recorded Oct 18, 2026201-500309 contacts →

Exact match

“Founded in 1866, San Jose Water is an investor owned public utility, and is one of the largest and most technically sophisticated urban water system in the United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchKissimmee, FL, United StatesHQ recorded Oct 18, 2026501-1,000271 contacts →

Exact match

“Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Oct 18, 2026201-500268 contacts →

Exact match

“The San Diego County Water Authority sustains a $262 billion regional economy and the quality of life for 3.3 million residents through a multi-decade water supply diversification…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchWaukegan, IL, United StatesHQ recorded Oct 18, 20265,001-10,000242 contacts →

Exact match

“Rely on USABlueBook for everything you need for water and wastewater operations and maintenance.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchPittsburgh, PA, United StatesHQ recorded Oct 18, 2026201-500239 contacts →

Exact match

“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchMorrow, GA, United StatesHQ recorded Oct 18, 2026201-500231 contacts →

Exact match

“Clayton County Water Authority (CCWA) is located in metropolitan Atlanta and provides water, sewer and stormwater services to more than people through accounts.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchLafayette, LA, United StatesHQ recorded Oct 18, 2026501-1,000177 contacts →

Exact match

“For more than 125 years, LUS has been a community partner committed to enhancing quality of life through reliable service, competitive pricing and safety.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchHartford, CT, United StatesHQ recorded Oct 18, 2026501-1,000166 contacts →

Exact match

“The Metropolitan District (MDC) is a non-profit municipal corporation chartered by the Connecticut General Assembly in 1929 to provide potable water and sewerage services on a…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchIselin, NJ, United StatesHQ recorded Oct 18, 2026201-500164 contacts →

Exact match

“Middlesex Water Company (NASDAQ:MSEX) provides a full range of regulated and non-regulated water, wastewater utility and related services primarily in New Jersey and Delaware.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchWest Palm Beach, FL, United StatesHQ recorded Oct 18, 2026501-1,000153 contacts →

Exact match

“The third largest water utility department in the State of Florida, the Palm Beach County Water Utilities Department (PBCWUD) provides drinking water, wastewater collection and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchGreenville, SC, United StatesHQ recorded Oct 18, 2026201-500151 contacts →

Exact match

“Greenville Water is the largest water utility in South Carolina, delivering clean, reliable drinking water to more than residents across Greenville and parts of Anderson, Pickens…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchDe Land, FL, United StatesHQ recorded Oct 18, 2026201-500148 contacts →

Exact match

“The City of DeLand Utilities/Public Services Department and its associated engineering and facilities maintenance divisions is to provide the citizens of the greater DeLand area…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchCorte Madera, CA, United StatesHQ recorded Oct 18, 2026201-500143 contacts →

Exact match

“Chartered in 1912, Marin Water is California’s first and the oldest municipal water district.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchClearwater, FL, United StatesHQ recorded Oct 18, 202651-200139 contacts →

Exact match

“As the largest wholesale drinking water supplier in the southeastern United States, Tampa Bay Water ultimately provides water to more than 2.5 million people in Hillsborough…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Oct 18, 2026n/a132 contacts →

Exact match

“City of Austin - Austin Water Utility is an utilities company based out of 625 E 10TH ST, Austin, Texas, United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 648 municipal water distributors based in the United States

See the full list, filter by size, metro and specialty, and access 11,512 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Municipal water distributors based in the United States at a glance

As of Oct 18, 2026
41.5%Verified-email coverage
42.8Average contacts per company
11-50Median size (employees)
0.6%Largest-city concentration · Grand Rapids
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
298
11-50
150
51-200
121
201-500
40
501-1,000
16
1,001-5,000
17
5,001-10,000
3
10001+
1

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 648 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 “municipal water distributors” 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 11,512 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 18, 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 “municipal water distributors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many municipal water distributors are there based in the United States?

RevenueBase identified 648 company matches for municipal water distributors associated with the United States 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?

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

Which city has the most municipal water distributors?

Grand Rapids leads with 4 company records, followed by Greenville (4) and Lufkin (4).

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 11,512 professional contacts with verified work emails tracked across these 648 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 18, 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.