Company lists · Data refreshed September 2026

Top 25 Ductwork contractors based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 5,208 companies tracked

RevenueBase identified 5,208 ductwork contractors headquartered in the United States as of September 2026 and tracks 43,970 professional contacts across them, including 13,566 with verified work emails. Houston is the largest hub.

This list covers ductwork contractors headquartered in the United States, 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 16, 2026.

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 16, 2026 86% judged on-target in blind review

5,208Companies

43,970Contacts tracked

13,566Verified emails

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The 25 largest ductwork contractors based in the United States

Ranked by team size

Top 25 of 5,208 ductwork contractors based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to ductwork contractors: 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	Mckenney's, INC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,077 contacts →
	Indirect evidence “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Source: RevenueBase Database · checked Sep 16, 2026
2	Horizon Services, LLC	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 16, 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 16, 2026
3	Hoffman & Hoffman, INC	Indirect evidence	Greensboro, NC, United StatesHQ checked Sep 16, 2026	1,001-5,000	445 contacts →
	Indirect evidence “Since 1947, Hoffman & Hoffman, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
4	John W. Danforth Company	Indirect evidence	Tonawanda, NY, United StatesHQ checked Sep 16, 2026	501-1,000	415 contacts →
	Indirect evidence “We are powered by the best people in the industry.” Source: RevenueBase Database · checked Sep 16, 2026
5	Aire Serv Heating And AIR Conditioning	Indirect evidence	Waco, TX, United StatesHQ checked Sep 16, 2026	201-500	369 contacts →
	Indirect evidence “For consumer services visit To discover more about franchise opportunities with Aire Serv® in your area visit Established in 1992, Aire Serv® is a global franchise organization…” Source: RevenueBase Database · checked Sep 16, 2026
6	United Mechanical	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	201-500	346 contacts →
	Indirect evidence “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Source: RevenueBase Database · checked Sep 16, 2026
7	Mccorvey Sheet Metal Works LP	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	501-1,000	343 contacts →
	Indirect evidence “With Locations in Houston, Orlando, and Dallas, McCorvey Sheet Metal Works, L.P.” Source: RevenueBase Database · checked Sep 16, 2026
8	Habegger Corporation	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 16, 2026	501-1,000	330 contacts →
	Indirect evidence “The Habegger Corporation \| Complete HVAC Solutions since 1952.” Source: RevenueBase Database · checked Sep 16, 2026
9	East Coast Metal Distributors	Indirect evidence	Durham, NC, United StatesHQ checked Sep 16, 2026	501-1,000	291 contacts →
	Indirect evidence “Dedication, honesty, and integrity guide us everyday as we accomplish our mission to deliver the quality HVAC products and expert technical support you need, when and where you…” Source: RevenueBase Database · checked Sep 16, 2026
10	Hobbs & Associates, INC	Indirect evidence	Norfolk, VA, United StatesHQ checked Sep 16, 2026	201-500	260 contacts →
	Indirect evidence “Hobbs & Associates is a leading independent HVAC provider serving Virginia, Washington DC, Maryland, and Tennessee, with partners across the Southeast.” Source: RevenueBase Database · checked Sep 16, 2026
11	M&m Manufacturing Company	Indirect evidence	Fort Worth, TX, United StatesHQ checked Sep 16, 2026	501-1,000	251 contacts →
	Indirect evidence “M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air distribution and ventilation market.” Source: RevenueBase Database · checked Sep 16, 2026
12	Southwark Metal Mfg. CO	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 16, 2026	1,001-5,000	235 contacts →
	Indirect evidence “Southwark Metal Mfg.” Source: RevenueBase Database · checked Sep 16, 2026
13	Reliable Heating & AIR	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 16, 2026	201-500	231 contacts →
	Indirect evidence “Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Source: RevenueBase Database · checked Sep 16, 2026
14	Critchfield Mechanical, INC	Partial evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	201-500	218 contacts →
	Partial evidence “Since 1977, Critchfield Mechanical, Inc.(CMI) has been one of the finest mechanical contractors in California, specializing in the design, fabrication and installation of heating…” Source: RevenueBase Database · checked Sep 16, 2026
15	Airtron Heating & AIR Conditioning	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 16, 2026	1,001-5,000	214 contacts →
	Indirect evidence “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Source: RevenueBase Database · checked Sep 16, 2026
16	Pueblo Mechanical & Controls	Indirect evidence	Phoenix, AZ, United StatesHQ checked Sep 16, 2026	501-1,000	214 contacts →
	Indirect evidence “Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Source: RevenueBase Database · checked Sep 16, 2026
17	Energy Air, INC	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 16, 2026	201-500	213 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
18	MLN Company	Indirect evidence	Stafford, TX, United StatesHQ checked Sep 16, 2026	501-1,000	203 contacts →
	Indirect evidence “MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Source: RevenueBase Database · checked Sep 16, 2026
19	Isaac Heating And AIR Conditioning	Indirect evidence	Rochester, NY, United StatesHQ checked Sep 16, 2026	501-1,000	196 contacts →
	Indirect evidence “Isaac Heating and Air Conditioning has been family-owned and operated in Rochester since 1945.” Source: RevenueBase Database · checked Sep 16, 2026
20	Maxair Mechanical	Indirect evidence	Marietta, GA, United StatesHQ checked Sep 16, 2026	201-500	183 contacts →
	Indirect evidence “MAXAIR Mechanical, founded in 1988, is a people first company.” Source: RevenueBase Database · checked Sep 16, 2026
21	Emcor Services Aircond	Indirect evidence	Smyrna, GA, United StatesHQ checked Sep 16, 2026	201-500	178 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
22	American Mechanical Services	Indirect evidence	Laurel, MD, United StatesHQ checked Sep 16, 2026	501-1,000	169 contacts →
	Indirect evidence “AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Source: RevenueBase Database · checked Sep 16, 2026
23	ONE Hour Heating & AIR Conditioning	Indirect evidence	Myrtle Beach, SC, United StatesHQ checked Sep 16, 2026	51-200	167 contacts →
	Indirect evidence “We believe in… excellence and heart.” Source: RevenueBase Database · checked Sep 16, 2026
24	Trane AIR Conditioning	Indirect evidence	Us, United StatesHQ checked Sep 16, 2026	1,001-5,000	164 contacts →
	Indirect evidence “Trane, the world leader in creating and sustaining safe, comfortable and energy efficient environments - improves the performance of homes and buildings around the world.” Source: RevenueBase Database · checked Sep 16, 2026
25	GSM Services	Indirect evidence	Gastonia, NC, United StatesHQ checked Sep 16, 2026	201-500	159 contacts →
	Indirect evidence “For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Source: RevenueBase Database · checked Sep 16, 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: ductwork contractors. 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 ductwork contractors.
Partial evidence: Its own public description names part of ductwork contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name ductwork contractors. 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 5,208 ductwork contractors based in the United States

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Ductwork contractors based in the United States at a glance

As of Sep 16, 2026

30.9%Verified-email coverage

8.4Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Houston

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

2,419

11-50

2,048

51-200

558

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 5,208 companies.

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 ductwork contractors, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “ductwork contractors”. 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 ductwork contractors), 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 ductwork contractors, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 13,566 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 16, 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.

Ductwork contractors by metro

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 ductwork contractors, 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 ductwork contractors are there based in the United States?

RevenueBase identified 5,208 ductwork contractors headquartered in the United States 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?

Mckenney's, INC, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most ductwork contractors?

Houston leads with 74 headquartered companies, followed by New York (68) and San Antonio (40).

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 13,566 verified decision-maker contacts tracked across these 5,208 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 16, 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.