Company lists · Data refreshed September 2026

Top 25 Water system maintenance contractors based in the United States

RevenueBase identified 755 company matches for water system maintenance contractors associated with the United States as of September 2026 and tracks 6,088 professional contacts across them, including 2,070 with verified work emails. Houston is the largest hub.

This list covers company matches for water system maintenance contractors 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 19, 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 19, 2026 How this list was built
755Companies
6,088Contacts tracked
2,070Verified emails
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The 25 largest water system maintenance contractors based in the United States

Ranked by team size
Top 25 of 755 company matches for water system maintenance contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchElgin, IL, United StatesHQ recorded Sep 19, 2026201-500117 contacts →

Exact match

“Duke’s is a leading provider of environmental services for maintaining and improving the health of underground infrastructure for wastewater, stormwater, water, and utilities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchRigby, ID, United StatesHQ recorded Sep 19, 202611-5095 contacts →

Exact match

“At Advanced Home Services our goal is to provide you with Advanced plumbing and heating services that will make your life simple, convenient and comfortable.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchAtlanta, GA, United StatesHQ recorded Sep 19, 2026501-1,00087 contacts →

Exact match

“USG Water Solutions is the leading water utility services provider specializing in storage tanks, plant rehabilitation, metering, and distribution systems.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchHuntington, WV, United StatesHQ recorded Sep 19, 202651-20084 contacts →

Exact match

“CITCO Water - previously The C.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchRoseville, CA, United StatesHQ recorded Sep 19, 202651-20081 contacts →

Exact match

“Nor Cal is a service contractor specializing in hydro excavation, CCTV, CIPP, root control, manhole rehab, pipe jetting, lateral launch, lateral lining, tank cleaning, s.u.e.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchCleveland, OH, United StatesHQ recorded Sep 19, 202611-5080 contacts →

Exact match

“Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications for over 30 years.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchColumbia, MO, United StatesHQ recorded Sep 19, 2026201-50078 contacts →

Exact match

“Headquartered in Columbia, Missouri, Alliance Water Resources is a leading provider of professional operations and maintenance services for community water and wastewater systems…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchHarrison, NY, United StatesHQ recorded Sep 19, 202651-20072 contacts →

Exact match

“Outstanding Service for Over 50 Years Based in the New York metropolitan area but serving all of NY State, CT, and norther NJ, GA Fleet Associates serves Building Trades…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchBuffalo Grove, IL, United StatesHQ recorded Sep 19, 202651-20067 contacts →

Exact match

“Water Distribution Systems Solutions Wachs Water Services is the leading provider of water distribution system asset management solutions that significantly improve efficiency and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchMemphis, TN, United StatesHQ recorded Sep 19, 202651-20066 contacts →

Exact match

“Commercial & Industrial Facility Maintenance Services including: Plumbing, Piping, & Camera Technologies Pipe Relining, Manhole Rehabilitation HVAC, Refrigeration, Building…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 19, 2026501-1,00061 contacts →

Exact match

“PLW Waterworks is an innovative waterworks infrastructure construction management and general contractor serving municipalities, water districts and water authorities across Texas…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchRosenberg, TX, United StatesHQ recorded Sep 19, 2026201-50058 contacts →

Exact match

“Si Environmental, LLC, is a Texas-based company that leads the way in water and wastewater facility operations and maintenance.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchWillis, TX, United StatesHQ recorded Sep 19, 2026201-50056 contacts →

Exact match

“Authentic relationships are standard practice at Weisinger Incorporated.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202651-20051 contacts →

Exact match

“Cougar USA | Water Control Solutions for High Performance Buildings.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchSaddle Brook, NJ, United StatesHQ recorded Sep 19, 202651-20051 contacts →

Exact match

“PumpMan, a Harrington Company, is a leading provider of pump systems and on-site maintenance and repair services for commercial, industrial, and municipal market customers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchPompano Beach, FL, United StatesHQ recorded Sep 19, 202651-20050 contacts →

Exact match

“For over 30 years we have provided comprehensive pipe inspection, maintenance and repair programs to help our customers extend the life of their existing systems and stretch every…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSudbury, MA, United StatesHQ recorded Sep 19, 202611-5047 contacts →

Exact match

“Ti-SALES is dedicated to having the fastest service and the most knowledgeable experts in the water and wastewater industry throughout all of New England and New York.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchWinchester, United StatesHQ recorded Sep 19, 202651-20047 contacts →

Exact match

“Culy Contracting focuses on the water and sewer industry, along with total site preparation for municipalities, commercial, industrial, and residential customers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchPalmetto Bay, FL, United StatesHQ recorded Sep 19, 2026201-50046 contacts →

Exact match

“Serving Municipalities & Utilities with Cleaning, Inspection, Maintenance, Repair, and Rehabilitation Services Across the Southeast U.S.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchMiddlesex, NJ, United StatesHQ recorded Sep 19, 202651-20044 contacts →

Exact match

“PSI Process is a stocking distributor and service facility for the world’s leading manufacturers of equipment used in the treatment and transfer of water, wastewater and other…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchSanta Fe Springs, CA, United StatesHQ recorded Sep 19, 202651-20042 contacts →

Exact match

“Santa Fe Water Systems is a leading supplier of water infrastructure equipment, piping systems, pre-fabricated assemblies, and storm water solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchBryan, OH, United StatesHQ recorded Sep 19, 202611-5042 contacts →

Exact match

“Advanced Rehabilitation Technology was founded to address the needs of municipal and industrial customers requiring additional repair, rehabilitation and modification on sewer and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchRockford, MI, United StatesHQ recorded Sep 19, 202651-20041 contacts →

Exact match

“Infrastructure Alternatives, Inc.(IAI) provides contract operations, maintenance and management services for water and wastewater utilities, for municipal governments, industries…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMillstone Township, NJ, United StatesHQ recorded Sep 19, 202651-20039 contacts →

Exact match

“We at Mid-Atlantic Service 360 pride ourselves on quality, reliability and competitive pricing.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchFridley, MN, United StatesHQ recorded Sep 19, 202611-5038 contacts →

Exact match

“For over 45 years Jaytech has been delivering superior water treatment services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 755 water system maintenance contractors based in the United States

See the full list, filter by size, metro and specialty, and access 2,070 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water system maintenance contractors based in the United States at a glance

As of Sep 19, 2026
34.0%Verified-email coverage
8.1Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
341
11-50
294
51-200
90
201-500
18
501-1,000
6

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 755 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 “water system maintenance contractors” 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 2,070 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 19, 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 “water system maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water system maintenance contractors are there based in the United States?

RevenueBase identified 755 company matches for water system maintenance contractors 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?

Duke's tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most water system maintenance contractors?

Houston leads with 15 company records, followed by New York (8) and Cincinnati (7).

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 2,070 professional contacts with verified work emails tracked across these 755 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 19, 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.