Company lists · Data refreshed October 2026

Top 25 Plumbing system maintenance contractors based in the United States

Name: Plumbing system maintenance contractors based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 6,154 companies tracked

RevenueBase identified 6,154 company matches for plumbing system maintenance contractors associated with the United States as of October 2026 and tracks 45,396 professional contacts across them, including 10,082 with verified work emails. Houston is the largest hub.

This list covers company matches for plumbing 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 October 22, 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 22, 2026 How this list was built

6,154Companies

45,396Contacts tracked

10,082Verified emails

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The 25 largest plumbing system maintenance contractors based in the United States

Ranked by team size

Top 25 of 6,154 company matches for plumbing system maintenance contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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	Roto-Rooter Plumbing And Drain Service	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 22, 2026	1,001-5,000	3,515 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	Horizon Services, LLC	Exact match	Wilmington, DE, United StatesHQ recorded Oct 22, 2026	501-1,000	458 contacts →
	Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Hiller Plumbing, Heating, Cooling & Electrical	Exact match	Nashville, TN, United StatesHQ recorded Oct 22, 2026	501-1,000	370 contacts →
	Exact match “Hiller provides residential and commercial service and repair throughout Tennessee, Southern Kentucky, Northern Alabama, Southeastern Arkansas, Northeastern Mississippi, Northern…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	United Mechanical	Exact match	San Jose, CA, United StatesHQ recorded Oct 22, 2026	201-500	349 contacts →
	Exact match “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	American Leak Detection	Exact match	Palm Springs, CA, United StatesHQ recorded Oct 22, 2026	n/a	287 contacts →
	Exact match “American Leak Detection was founded in 1974 and is headquartered in Palm Springs, Calif.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	ABC Plumbing, Sewer, Heating, Cooling & Electric	Exact match	Arlington Heights, IL, United StatesHQ recorded Oct 22, 2026	201-500	281 contacts →
	Exact match “ABC Plumbing, Sewer, Heating, Cooling, and Electric has been a trusted family-owned and operated home service provider for over 70 years.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Morris-Jenkins	Exact match	Charlotte, NC, United StatesHQ recorded Oct 22, 2026	501-1,000	248 contacts →
	Exact match “Morris-Jenkins is like family!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	BCH Mechanical, LLC	Exact match	Largo, FL, United StatesHQ recorded Oct 22, 2026	201-500	211 contacts →
	Exact match “BCH Mechanical is a Mechanical Contracting company doing business throughout the State of Florida in commercial air conditioning and plumbing.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	F.H. Furr Plumbing, Heating, AIR Conditioning, & Electrical	Exact match	Manassas, VA, United StatesHQ recorded Oct 22, 2026	501-1,000	209 contacts →
	Exact match “As a community-oriented company for over 40 years, we put our customers first and stand behind our products and services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	MY Plumber Plus	Exact match	Manassas, VA, United StatesHQ recorded Oct 22, 2026	201-500	204 contacts →
	Exact match “My Plumber Plus is the company of choice in Northern Virginia and suburban Maryland for repair and replacement of plumbing, HVAC, and electrical systems.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	Haller Enterprises	Exact match	Lititz, PA, United StatesHQ recorded Oct 22, 2026	201-500	197 contacts →
	Exact match “Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	R.T. Moore	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 22, 2026	501-1,000	191 contacts →
	Exact match “For 70 years, family owned and operated R.T.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Sack Company	Exact match	Statesboro, GA, United StatesHQ recorded Oct 22, 2026	501-1,000	191 contacts →
	Exact match “With offices in Statesboro, GA, Savannah, GA, Atlanta, GA, Charlotte, NC, and Lexington, SC, The Sack Company is one of the largest industrial mechanical, electrical, plumbing…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	L&s Mechanical	Exact match	Richardson, TX, United StatesHQ recorded Oct 22, 2026	501-1,000	188 contacts →
	Exact match “L&S Mechanical began as a Dallas-based contractor in 1985 and has grown over the years to have six locations out of Dallas, Fort Worth, Houston, San Antonio, and Austin.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Comfort Systems USA Southeast	Exact match	Pensacola, FL, United StatesHQ recorded Oct 22, 2026	201-500	183 contacts →
	Exact match “Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	LEN The Plumber Heating & AIR	Exact match	Baltimore, MD, United StatesHQ recorded Oct 22, 2026	201-500	181 contacts →
	Exact match “Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Rooter Hero Plumbing & AIR	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 22, 2026	201-500	180 contacts →
	Exact match “https://linktr.ee/Rooter.Hero At Rooter Hero Plumbing, we pride ourselves on providing Competitive Pricing, Quality Work and Professional Service on every plumbing appointment.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	Peterman Brothers Heating, Cooling & Plumbing	Exact match	Greenwood, IN, United StatesHQ recorded Oct 22, 2026	501-1,000	170 contacts →
	Exact match “Peterman Brothers is a family-owned residential heating, cooling, plumbing & electrical company with offices in Indiana, Ohio, and Kentucky.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	TLC Plumbing Heating Cooling Electrical	Exact match	Albuquerque, NM, United StatesHQ recorded Oct 22, 2026	501-1,000	167 contacts →
	Exact match “TLC Plumbing is a different kind of company, and our intent is to stay different in a good way.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	Bayonet Plumbing, Heating & AIR Conditioning	Exact match	Hudson, FL, United StatesHQ recorded Oct 22, 2026	501-1,000	164 contacts →
	Exact match “Bayonet Plumbing, Heating, and Air Conditioning, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Precision Plumbing	Exact match	Matthews, NC, United StatesHQ recorded Oct 22, 2026	201-500	158 contacts →
	Exact match “Precision Plumbing’s inception in 1981 was born out of a desire to be business entrepreneurs and to bring a level of quality and service unmatched in our industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	GEM Plumbing & Heating Services, LLC	Exact match	Lincoln, RI, United StatesHQ recorded Oct 22, 2026	501-1,000	154 contacts →
	Exact match “GEM Plumbing & Heating is a family owned business with a new mission to provide its large customer base with true 24-hour emergency service.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	A.B. MAY Heating, A C, Plumbing & Electrical	Exact match	Kansas City, MO, United StatesHQ recorded Oct 22, 2026	201-500	148 contacts →
	Exact match “Since 1959, A.B.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Mr. Rooter Plumbing Of Western Washington	Exact match	Renton, WA, United StatesHQ recorded Oct 22, 2026	11-50	138 contacts →
	Exact match “Mr.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Abacus Plumbing, AIR Conditioning & Electrical	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	201-500	136 contacts →
	Exact match “We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Recorded in the RevenueBase company graph · Oct 22, 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 “plumbing system maintenance contractors”. 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 6,154 plumbing system maintenance contractors based in the United States

See the full list, filter by size, metro and specialty, and access 10,082 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 22, 2026

22.2%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · Houston

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

3,095

11-50

2,207

51-200

638

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 6,154 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 “plumbing 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 10,082 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 22, 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.

Plumbing system maintenance contractors 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 “plumbing system maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 6,154 company matches for plumbing system maintenance contractors 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?

Roto-Rooter Plumbing And Drain Service tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most plumbing system maintenance contractors?

Houston leads with 63 company records, followed by New York (63) and Phoenix (53).

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 10,082 professional contacts with verified work emails tracked across these 6,154 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 22, 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.