Company lists · Data refreshed September 2026

Top 25 Laboratory hvac maintenance providers based in the United States

Name: Laboratory hvac maintenance providers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 4,933 companies tracked

RevenueBase identified 4,933 company matches for laboratory hvac maintenance providers associated with the United States as of September 2026 and tracks 39,157 professional contacts across them, including 12,262 with verified work emails. New York is the largest hub.

This list covers company matches for laboratory hvac maintenance providers 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 20, 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 20, 2026 How this list was built

4,933Companies

39,157Contacts tracked

12,262Verified emails

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The 25 largest laboratory hvac maintenance providers based in the United States

Ranked by team size

Top 25 of 4,933 company matches for laboratory hvac maintenance providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Sep 20, 2026	201-500	523 contacts →
	Exact match “In business for over 45 years, Texas AirSystems has grown to be recognized as one of the premier partners for commercial HVAC solutions in Texas, boasting over 500 associates…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Hoffman & Hoffman, INC	Exact match	Greensboro, NC, United StatesHQ recorded Sep 20, 2026	1,001-5,000	445 contacts →
	Exact match “Since 1947, Hoffman & Hoffman, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	AIR Systems, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 20, 2026	201-500	348 contacts →
	Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Brady Services	Exact match	Greensboro, NC, United StatesHQ recorded Sep 20, 2026	501-1,000	340 contacts →
	Exact match “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Havtech	Exact match	Columbia, MD, United StatesHQ recorded Sep 20, 2026	201-500	333 contacts →
	Exact match “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	BFC Solutions	Exact match	Nashville, TN, United StatesHQ recorded Sep 20, 2026	501-1,000	241 contacts →
	Exact match “BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Airtron Heating & AIR Conditioning	Exact match	Columbus, OH, United StatesHQ recorded Sep 20, 2026	1,001-5,000	214 contacts →
	Exact match “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Energy Air, INC	Exact match	Orlando, FL, United StatesHQ recorded Sep 20, 2026	201-500	213 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Star Service INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 20, 2026	201-500	201 contacts →
	Exact match “Our commitment to the commercial HVAC industry has remained unchanged since we began in 1952.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Haynes Mechanical Systems	Exact match	Greenwood Village, CO, United StatesHQ recorded Sep 20, 2026	201-500	190 contacts →
	Exact match “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Ambient	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	1,001-5,000	184 contacts →
	Exact match “Ambient is a national collective of HVAC design and implementation firms, each entity esteemed in their respective regions with decades of experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Emcor Services Aircond	Exact match	Smyrna, GA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13	American Mechanical Services	Exact match	Laurel, MD, United StatesHQ recorded Sep 20, 2026	501-1,000	169 contacts →
	Exact match “AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	ONE Hour Heating & AIR Conditioning	Exact match	Myrtle Beach, SC, United StatesHQ recorded Sep 20, 2026	51-200	167 contacts →
	Exact match “We believe in… excellence and heart.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Trane AIR Conditioning	Exact match	Us, United StatesHQ recorded Sep 20, 2026	1,001-5,000	164 contacts →
	Exact match “Trane, the world leader in creating and sustaining safe, comfortable and energy efficient environments - improves the performance of homes and buildings around the world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	CCI Mechanical, INC	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 20, 2026	201-500	133 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Engineered AIR Balance	Exact match	Richardson, TX, United StatesHQ recorded Sep 20, 2026	51-200	132 contacts →
	Exact match “Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Energy International Corporation	Exact match	Bingham Farms, MI, United StatesHQ recorded Sep 20, 2026	51-200	132 contacts →
	Exact match “Energy International Corporation (EIC) is a leader in the design, supply, installation, operation and maintenance of HVAC and electro-mechanical equipment to the construction…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Donnelly Mechanical Corporation	Exact match	Queens Village, NY, United StatesHQ recorded Sep 20, 2026	201-500	130 contacts →
	Exact match “Donnelly Mechanical is New York City’s premier provider of innovative commercial HVAC service, maintenance and construction.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Addison Hvac	Exact match	Orlando, FL, United StatesHQ recorded Sep 20, 2026	201-500	127 contacts →
	Exact match “Addison is a leading supplier of HVAC cooling and dehumidification equipment for commercial and industrial applications with extensive experience in treating ventilation air.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Environmental Systems, INC	Exact match	Taunton, MA, United StatesHQ recorded Sep 20, 2026	51-200	124 contacts →
	Exact match “Environmental Systems, Inc.(ESI) is a premier mechanical contractor & engineering firm headquartered in Taunton, Massachusetts, with offices in Nashua, New Hampshire, and Warwick…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Engineering Excellence	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 20, 2026	51-200	121 contacts →
	Exact match “National HVACR Solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	The K Company, INC	Exact match	Akron, OH, United StatesHQ recorded Sep 20, 2026	201-500	120 contacts →
	Exact match “Since 1972, The K Company has been setting the standard in commercial, residential and industrial heating, air conditioning, ventilation and refrigeration systems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	DMG Corporation	Exact match	Orange, CA, United StatesHQ recorded Sep 20, 2026	201-500	119 contacts →
	Exact match “For over three decades, DMG Corporation has distinguished itself as a premier independent sales agency specializing in top-tier HVAC equipment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	AIR Control Systems	Exact match	Ontario, CA, United StatesHQ recorded Sep 20, 2026	201-500	117 contacts →
	Exact match “Your Comfort Is Our Passion™ For decades, there has been one name in commercial HVAC synonymous with quality, expertise, and the highest levels of customer service: Air Control…” Recorded in the RevenueBase company graph · Sep 20, 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 “laboratory hvac maintenance providers”. 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 4,933 laboratory hvac maintenance providers based in the United States

See the full list, filter by size, metro and specialty, and access 12,262 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Laboratory hvac maintenance providers based in the United States at a glance

As of Sep 20, 2026

31.3%Verified-email coverage

7.9Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

2,392

11-50

1,900

51-200

481

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 4,933 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 “laboratory hvac maintenance providers” 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 12,262 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 20, 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.

Laboratory hvac maintenance providers 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 “laboratory hvac maintenance providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many laboratory hvac maintenance providers are there based in the United States?

RevenueBase identified 4,933 company matches for laboratory hvac maintenance providers 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?

Texas Airsystems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most laboratory hvac maintenance providers?

New York leads with 82 company records, followed by Houston (79) and San Antonio (38).

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 12,262 professional contacts with verified work emails tracked across these 4,933 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 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 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.