Company lists · Data refreshed November 2026

Top 25 Plumbing and septic contractors worldwide

RevenueBase identified 5,861 company matches for plumbing and septic contractors worldwide as of November 2026 and tracks 24,016 professional contacts across them, including 4,176 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for plumbing and septic contractors worldwide, 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 November 6, 2026. Country and city lists for plumbing and septic contractors follow the table.

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 Nov 6, 2026 How this list was built
5,861Companies
24,016Contacts tracked
4,176Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest plumbing and septic contractors worldwide

Ranked by team size
Top 25 of 5,861 company matches for plumbing and septic contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchWilmington, MD, United StatesHQ recorded Nov 6, 2026501-1,000472 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 2026501-1,000323 contacts →

Exact match

“Your Septic, Grease and Drain Service Experts!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 2026201-500185 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“RRS Nederland BV is in Nederland dé specialist op het gebied van ontstoppen, reinigen, inspecteren en lokaliseren van afvoerleidingen in elke denkbare afmeting en heeft in ruim 50…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLincoln, MA, United StatesHQ recorded Nov 6, 2026501-1,000156 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNotre-dame-de-l'île-perrot, CanadaHQ recorded Nov 6, 2026501-1,000140 contacts →

Exact match

“Sanivac was founded in 1961 in Notre-Dame-de-l'Île-Perrot by John Kelly and his wife Josée Serrurier.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRenton, WA, United StatesHQ recorded Nov 6, 202611-50131 contacts →

Exact match

“Mr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPlymouth Meeting, PA, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“At Zoom Drain, we fix drain and sewer problems fast!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPuyallup, WA, United StatesHQ recorded Nov 6, 2026201-50098 contacts →

Exact match

“Northwest Cascade is a growing company with a variety of related businesses that serve construction and environmental needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRigby, ID, United StatesHQ recorded Nov 6, 202611-5092 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Founded in 1915, VAMAC, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Dauenhauer Plumbing is Kentucky's largest full service plumbing company, serving residential and commercial customers in both the Louisville and Lexington areas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNY, United StatesHQ recorded Nov 6, 2026201-50072 contacts →

Exact match

“Demar began as a small, family-owned company, providing plumbing services to the NYC area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 2026201-50071 contacts →

Exact match

“OUR MISSION is to deliver quality service in a timely manner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMemphis, TN, United StatesHQ recorded Nov 6, 202651-20069 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSmyrna, GA, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Art Plumbing Contractors is one of the leading providers of specialty plumbing construction and service to the medical and laboratory industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHonolulu, HI, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“At Commercial Plumbing, we recognize our customers have very special needs- whether it’s installation or the repair of industrial plumbing or a fire sprinkler system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSaint-bonnet-les-oules, FranceHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Si un bouchon dans vos canalisations peut littéralement vous mettre dans la m**de faites confiance à La Compagnie des Déboucheurs pour vous en sortir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGunnilse, SwedenHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“VILKA ÄR CLEANPIPE?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWinter Springs, FL, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Proudly Serving Central Florida since 1975, we offer a comprehensive array of services for commercial, industrial and residential plumbing customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Hallway Plumbing is one of the fastest-growing plumbing contractors in Atlanta.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 2026201-50059 contacts →

Exact match

“Ackerman Plumbing is a full-service plumbing contractor proudly serving commercial clients across Florida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOttawa, QC, CanadaHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Headquartered in Ottawa and Montreal serving Ontario, Quebec and New Brunswick, Clean Water Works is one of the nation’s foremost sewer rehabilitation companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 2026501-1,00058 contacts →

Exact match

“Mr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIndependence, OH, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Stop settling for high priced corporate-owned businesses that sold and now are just the face…a face that no longer takes every single appointment to heart?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 5,861 plumbing and septic contractors worldwide

See the full list, filter by size, metro and specialty, and access 4,176 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Plumbing and septic contractors worldwide at a glance

As of Nov 6, 2026
17.4%Verified-email coverage
4.1Average contacts per company
1-10Median size (employees)
0.5%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,439
11-50
1,808
51-200
326
201-500
43
501-1,000
10
1,001-5,000
2
5,001-10,000
2
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for plumbing and septic contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “plumbing and septic 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. 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 4,176 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 November 6, 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 and septic contractors by location

14 lists · largest first

Every Plumbing and septic contractors 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 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 and septic contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many plumbing and septic contractors are there worldwide?

RevenueBase identified 5,861 company matches for plumbing and septic contractors worldwide as of November 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?

Horizon Services, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most plumbing and septic contractors?

The United States leads with 3,747 companies, followed by Canada (298) and France (161). Every plumbing and septic contractors list by country and city is linked on this page.

Which city has the most plumbing and septic contractors?

Houston leads with 31 company records, followed by San Diego (30) and Miami (29).

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 4,176 professional contacts with verified work emails tracked across these 5,861 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 5,861 plumbing and septic contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.