Company lists · Data refreshed September 2026

Top 25 Licensed plumbers worldwide

Name: Licensed plumbers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 12,281 companies tracked

RevenueBase identified 12,281 licensed plumbers worldwide as of September 2026 and tracks 59,630 professional contacts across them, including 12,409 with verified work emails. The United States is the largest market and London the largest hub.

This list covers licensed plumbers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for licensed plumbers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

12,281Companies

59,630Contacts tracked

12,409Verified emails

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The 25 largest licensed plumbers worldwide

Ranked by team size

Top 25 of 12,281 licensed plumbers worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to licensed plumbers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Murphy Company	Partial evidence	St. Louis, MO, United StatesHQ checked Sep 20, 2026	1,001-5,000	579 contacts →
	Partial evidence “Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Source: RevenueBase Database · checked Sep 20, 2026
2	Horizon Services, LLC	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 20, 2026	501-1,000	448 contacts →
	Indirect evidence “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Source: RevenueBase Database · checked Sep 20, 2026
3	Hiller Plumbing, Heating, Cooling & Electrical	Indirect evidence	Nashville, TN, United StatesHQ checked Sep 20, 2026	501-1,000	368 contacts →
	Indirect evidence “Hiller provides residential and commercial service and repair throughout Tennessee, Southern Kentucky, Northern Alabama, Southeastern Arkansas, Northeastern Mississippi, Northern…” Source: RevenueBase Database · checked Sep 20, 2026
4	ABC Plumbing, Sewer, Heating, Cooling & Electric	Indirect evidence	Arlington Heights, IL, United StatesHQ checked Sep 20, 2026	201-500	266 contacts →
	Indirect evidence “ABC Plumbing, Sewer, Heating, Cooling, and Electric has been a trusted family-owned and operated home service provider for over 70 years.” Source: RevenueBase Database · checked Sep 20, 2026
5	SIF Gruppen A S	Indirect evidence	Søborg, DenmarkHQ checked Sep 20, 2026	501-1,000	259 contacts →
	Indirect evidence “Ikke som de andre I SIF Gruppen er vi ikke ligesom de andre.” Source: RevenueBase Database · checked Sep 20, 2026
6	ANY Hour Services	Indirect evidence	Orem, UT, United StatesHQ checked Sep 20, 2026	201-500	256 contacts →
	Indirect evidence “Any Hour Services think there should be no place safer or more comfortable than your home.” Source: RevenueBase Database · checked Sep 20, 2026
7	Plumber	Partial evidence	Three Lakes, WI, United StatesHQ checked Sep 20, 2026	n/a	247 contacts →
	Partial evidence “Plumber™ exclusively serves residential and commercial plumbing contractors and franchisees providing everything from repair work and pipe rehabilitation to water conditioning and…” Source: RevenueBase Database · checked Sep 20, 2026
8	Morris-Jenkins	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 20, 2026	501-1,000	225 contacts →
	Indirect evidence “Morris-Jenkins is like family!” Source: RevenueBase Database · checked Sep 20, 2026
9	F.H. Furr Plumbing, Heating, AIR Conditioning, & Electrical	Indirect evidence	Manassas, VA, United StatesHQ checked Sep 20, 2026	501-1,000	212 contacts →
	Indirect evidence “As a community-oriented company for over 40 years, we put our customers first and stand behind our products and services.” Source: RevenueBase Database · checked Sep 20, 2026
10	R.T. Moore	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 20, 2026	501-1,000	193 contacts →
	Indirect evidence “For 70 years, family owned and operated R.T.” Source: RevenueBase Database · checked Sep 20, 2026
11	Peterman Brothers Heating, Cooling & Plumbing	Indirect evidence	Greenwood, IN, United StatesHQ checked Sep 20, 2026	501-1,000	188 contacts →
	Indirect evidence “Peterman Brothers is a family-owned residential heating, cooling, plumbing & electrical company with offices in Indiana, Ohio, and Kentucky.” Source: RevenueBase Database · checked Sep 20, 2026
12	L&s Mechanical	Indirect evidence	Richardson, TX, United StatesHQ checked Sep 20, 2026	501-1,000	186 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
13	Comfort Systems USA Southeast	Indirect evidence	Pensacola, FL, United StatesHQ checked Sep 20, 2026	201-500	180 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
14	Rooter Hero Plumbing & AIR	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 20, 2026	201-500	179 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
15	LEN The Plumber Heating & AIR	Partial evidence	Baltimore, MD, United StatesHQ checked Sep 20, 2026	201-500	175 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
16	TLC Plumbing Heating Cooling Electrical	Indirect evidence	Albuquerque, NM, United StatesHQ checked Sep 20, 2026	501-1,000	170 contacts →
	Indirect evidence “TLC Plumbing is a different kind of company, and our intent is to stay different in a good way.” Source: RevenueBase Database · checked Sep 20, 2026
17	Bayonet Plumbing, Heating & AIR Conditioning	Indirect evidence	Hudson, FL, United StatesHQ checked Sep 20, 2026	501-1,000	162 contacts →
	Indirect evidence “Bayonet Plumbing, Heating, and Air Conditioning, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
18	Precision Plumbing	Indirect evidence	Matthews, NC, United StatesHQ checked Sep 20, 2026	201-500	156 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
19	Roto-Rooter Plumbing & Drain Service	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 20, 2026	n/a	154 contacts →
	Indirect evidence “Trusted & Recommended since 1935, Roto-Rooter is the largest provider of plumbing and drain cleaning service in North America.” Source: RevenueBase Database · checked Sep 20, 2026
20	Abacus Plumbing, AIR Conditioning & Electrical	Indirect evidence	Houston, TX, United StatesHQ checked Sep 20, 2026	201-500	138 contacts →
	Indirect evidence “We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Source: RevenueBase Database · checked Sep 20, 2026
21	Peaden AIR Conditioning, Plumbing & Electrical	Partial evidence	Panama City, FL, United StatesHQ checked Sep 20, 2026	201-500	138 contacts →
	Partial evidence “Peaden is a locally-owned and family-operated licensed and insured residential and commercial HVAC, plumbing, and electrical company.” Source: RevenueBase Database · checked Sep 20, 2026
22	The PAR Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	201-500	117 contacts →
	Indirect evidence “The PAR Group, privately owned and operated since 1917, is New York's preeminent provider of Plumbing, Heating & Air Conditioning, Fire Protection and Green Solutions services.” Source: RevenueBase Database · checked Sep 20, 2026
23	Cooke & Dowsett Plumbing Group	Indirect evidence	Keilor Park, AustraliaHQ checked Sep 20, 2026	201-500	115 contacts →
	Indirect evidence “Cooke & Dowsett was founded in 2008 when Chadd Cooke partnered with Scott Dowsett, combining decades of industry expertise to establish a business built on quality, innovation…” Source: RevenueBase Database · checked Sep 20, 2026
24	ECO Plumbers, Electricians, And Hvac Technicians	Partial evidence	Hilliard, OH, United StatesHQ checked Sep 20, 2026	201-500	114 contacts →
	Partial evidence “Eco Plumbers, Electricians, and HVAC Technicians is your residential plumbing, electrical, heating and cooling company.” Source: RevenueBase Database · checked Sep 20, 2026
25	Iron Mechanical	Indirect evidence	Sacramento, CA, United StatesHQ checked Sep 20, 2026	201-500	113 contacts →
	Indirect evidence “We specialize in providing HVAC, plumbing, and piping design and installation services across the state of California.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: licensed plumbers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names licensed plumbers.
Partial evidence: Its own public description names part of licensed plumbers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name licensed plumbers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 12,281 licensed plumbers worldwide

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Licensed plumbers worldwide at a glance

As of Sep 20, 2026

20.8%Verified-email coverage

4.9Average contacts per company

1-10Median size (employees)

0.8%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

7,076

11-50

3,881

51-200

888

201-500

101

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among licensed plumbers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for licensed plumbers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “licensed plumbers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names licensed plumbers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among licensed plumbers, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 12,409 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Licensed plumbers by location

35 lists · largest first

Every Licensed plumbers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names licensed plumbers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many licensed plumbers are there worldwide?

RevenueBase identified 12,281 licensed plumbers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Murphy Company, headquartered in St. Louis, tops this list with the largest team on record.

Which country has the most licensed plumbers?

The United States leads with 6,604 companies, followed by Australia (882) and the United Kingdom (872). Every licensed plumbers list by country and city is linked on this page.

Which city has the most licensed plumbers?

London leads with 99 headquartered companies, followed by Houston (70) and Sydney (70).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 12,409 verified decision-maker contacts tracked across these 12,281 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.