Company lists · Data refreshed September 2026

Top 25 Industrial water heater installers based in the United States

Name: Industrial water heater installers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 2,748 companies tracked

RevenueBase identified 2,748 company matches for industrial water heater installers associated with the United States as of September 2026 and tracks 36,470 professional contacts across them, including 13,446 with verified work emails. New York is the largest hub.

This list covers company matches for industrial water heater installers 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 17, 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 17, 2026 How this list was built

2,748Companies

36,470Contacts tracked

13,446Verified emails

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The 25 largest industrial water heater installers based in the United States

Ranked by team size

Top 25 of 2,748 company matches for industrial water heater installers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Sep 17, 2026	5,001-10,000	2,415 contacts →
	Exact match “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,077 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Thermon	Exact match	Austin, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	901 contacts →
	Exact match “Industrial Process Heating Solutions Through its global network, Thermon provides safe, reliable and innovative mission critical industrial process heating solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Bradford White	Exact match	Ambler, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	689 contacts →
	Exact match “Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Horizon Services, LLC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 17, 2026	501-1,000	448 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 · Sep 17, 2026 · View company records in RevenueBase
6	John W. Danforth Company	Exact match	Tonawanda, NY, United StatesHQ recorded Sep 17, 2026	501-1,000	415 contacts →
	Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	United Mechanical	Exact match	San Jose, CA, United StatesHQ recorded Sep 17, 2026	201-500	346 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 · Sep 17, 2026 · View company records in RevenueBase
8	Bassett Mechanical	Exact match	Kaukauna, WI, United StatesHQ recorded Sep 17, 2026	201-500	298 contacts →
	Exact match “Bassett Mechanical provides complete design, engineering, fabrication, installation, and preventative maintenance service solutions for all our customer’s industrial…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Weil-Mclain	Exact match	Burr Ridge, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	279 contacts →
	Exact match “Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	GEM Incorporated	Exact match	Walbridge, OH, United StatesHQ recorded Sep 17, 2026	1,001-5,000	270 contacts →
	Exact match “Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	The Arcticom Group	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	259 contacts →
	Exact match “At The Arcticom Group (TAG), our family of best-in-market operating companies delivers the highest-quality service and customer experience in commercial and industrial HVACR.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Morris-Jenkins	Exact match	Charlotte, NC, United StatesHQ recorded Sep 17, 2026	501-1,000	225 contacts →
	Exact match “Morris-Jenkins is like family!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Pueblo Mechanical & Controls	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 17, 2026	501-1,000	214 contacts →
	Exact match “Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Tweet Garot Mechanical, INC	Exact match	De Pere, WI, United StatesHQ recorded Sep 17, 2026	501-1,000	207 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Cleaver-Brooks Sales And Service	Exact match	Dallas, TX, United StatesHQ recorded Sep 17, 2026	201-500	193 contacts →
	Exact match “Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Haller Enterprises	Exact match	Lititz, PA, United StatesHQ recorded Sep 17, 2026	201-500	191 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 · Sep 17, 2026 · View company records in RevenueBase
17	R.F. Macdonald CO	Exact match	Hayward, CA, United StatesHQ recorded Sep 17, 2026	201-500	190 contacts →
	Exact match “R.F.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Sack Company	Exact match	Statesboro, GA, United StatesHQ recorded Sep 17, 2026	501-1,000	184 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 · Sep 17, 2026 · View company records in RevenueBase
19	Maxair Mechanical	Exact match	Marietta, GA, United StatesHQ recorded Sep 17, 2026	201-500	183 contacts →
	Exact match “MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Rooter Hero Plumbing & AIR	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 17, 2026	201-500	179 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 · Sep 17, 2026 · View company records in RevenueBase
21	Emcor Services Aircond	Exact match	Smyrna, GA, United StatesHQ recorded Sep 17, 2026	201-500	178 contacts →
	Exact match “Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Fulton	Exact match	Pulaski, NY, United StatesHQ recorded Sep 17, 2026	501-1,000	171 contacts →
	Exact match “Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Marshalls INC	Exact match	Lynnwood, WA, United StatesHQ recorded Sep 17, 2026	n/a	168 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	AC Corporation	Exact match	Greensboro, NC, United StatesHQ recorded Sep 17, 2026	201-500	167 contacts →
	Exact match “Since 1935, AC Corporation has provided quality systems for the industrial and commercial markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Victory Energy Operations, LLC	Exact match	Collinsville, OK, United StatesHQ recorded Sep 17, 2026	201-500	162 contacts →
	Exact match “Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial water heater installers”. 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 2,748 industrial water heater installers based in the United States

See the full list, filter by size, metro and specialty, and access 13,446 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial water heater installers based in the United States at a glance

As of Sep 17, 2026

36.9%Verified-email coverage

13.3Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · New York

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

1,186

11-50

1,040

51-200

398

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 2,748 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 “industrial water heater installers” 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 13,446 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 17, 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 “industrial water heater installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial water heater installers are there based in the United States?

RevenueBase identified 2,748 company matches for industrial water heater installers 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?

Acco Engineered Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most industrial water heater installers?

New York leads with 32 company records, followed by Houston (29) and San Antonio (19).

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 13,446 professional contacts with verified work emails tracked across these 2,748 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 17, 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.