Company lists · Data refreshed October 2026

Top 25 Industrial hvac maintenance contractors worldwide

Name: Industrial hvac maintenance contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 39,841 companies tracked

RevenueBase identified 39,841 company matches for industrial hvac maintenance contractors worldwide as of October 2026 and tracks 431,721 professional contacts across them, including 115,585 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for industrial hvac maintenance 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 October 16, 2026. Country and city lists for industrial hvac maintenance 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 Oct 16, 2026 How this list was built

39,841Companies

431,721Contacts tracked

115,585Verified emails

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The 25 largest industrial hvac maintenance contractors worldwide

Ranked by team size

Top 25 of 39,841 company matches for industrial hvac maintenance contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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	Blue Star Limited	Exact match	Mumbai, IndiaHQ recorded Oct 16, 2026	1,001-5,000	6,654 contacts →
	Exact match “Blue Star Limited is India’s leading air conditioning and commercial refrigeration company with over eight decades of experience in providing expert cooling solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	Equans	Exact match	Courbevoie, FranceHQ recorded Oct 16, 2026	10001+	5,490 contacts →
	Exact match “Equans, a Bouygues group company, is a world leader in multi-technical services with offices in 20 country hubs.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Oct 16, 2026	5,001-10,000	5,347 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	Daikin Applied Americas	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 16, 2026	10001+	4,352 contacts →
	Exact match “Daikin Applied delivers superior air quality and energy efficiency to every solution with innovation in advanced technology, IoT, and next generation compressors.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	Johnstone Supply	Exact match	Portland, OR, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,721 contacts →
	Exact match “Making it easier for HVACR contractors to do business.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Oct 16, 2026	5,001-10,000	2,573 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 · Oct 16, 2026 · View company records in RevenueBase
7	Goodman AIR Conditioning & Heating	Exact match	Waller, TX, United StatesHQ recorded Oct 16, 2026	10001+	2,429 contacts →
	Exact match “Since 1982, Goodman Manufacturing has had one goal: provide customers with reliable, high-quality, energy-efficient, and affordable indoor comfort products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,282 contacts →
	Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	American Residential Services	Exact match	Memphis, TN, United StatesHQ recorded Oct 16, 2026	5,001-10,000	1,948 contacts →
	Exact match “American Residential Services (ARS®/Rescue Rooter®) is one of the nation’s largest providers of heating, air conditioning, indoor air quality, plumbing, drain cleaning…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	Modern Niagara	Exact match	Kanata, ON, CanadaHQ recorded Oct 16, 2026	1,001-5,000	1,585 contacts →
	Exact match “We build for life.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11	Service Experts	Exact match	Richardson, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,509 contacts →
	Exact match “Service Experts is North America's leading HVAC, Plumbing & Electrical company with 75+ locations nationwide.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12	Emcor Group, INC	Exact match	Norwalk, CT, United StatesHQ recorded Oct 16, 2026	10001+	1,443 contacts →
	Exact match “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	Ainsworth INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 16, 2026	1,001-5,000	1,390 contacts →
	Exact match “Our customers depend on their buildings, industrial assets, processes, and energy management, to help them meet competitive challenges.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Oct 16, 2026	10001+	1,354 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Oct 16, 2026	1,001-5,000	1,342 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	Aaon, INC	Exact match	Tulsa, OK, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,315 contacts →
	Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Oct 16, 2026	1,001-5,000	1,167 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	Fawaz Group	Exact match	KuwaitHQ recorded Oct 16, 2026	1,001-5,000	1,107 contacts →
	Exact match “Welcome to FAWAZ Group official account!” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	Daikin Industries, LTD	Exact match	Osaka, JapanHQ recorded Oct 16, 2026	10001+	1,095 contacts →
	Exact match “With nearly 350 subsidiaries around the globe, Daikin Industries, Ltd.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,088 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	United Refrigeration, INC	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,083 contacts →
	Exact match “United Refrigeration Inc.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	LEE Company	Exact match	Franklin, TN, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,049 contacts →
	Exact match “Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	Master	Exact match	Saint-bruno-de-montarville, QC, CanadaHQ recorded Oct 16, 2026	1,001-5,000	1,018 contacts →
	Exact match “For more than 70 years, we've been making a difference, in every degree.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24	Cmta, INC	Exact match	Louisville, KY, United StatesHQ recorded Oct 16, 2026	501-1,000	1,016 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	GSH Group	Exact match	Parsippany, NJ, United StatesHQ recorded Oct 16, 2026	1,001-5,000	998 contacts →
	Exact match “GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded in the RevenueBase company graph · Oct 16, 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 hvac maintenance contractors”. 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 39,841 industrial hvac maintenance contractors worldwide

See the full list, filter by size, metro and specialty, and access 115,585 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial hvac maintenance contractors worldwide at a glance

As of Oct 16, 2026

26.8%Verified-email coverage

10.8Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

17,458

11-50

15,590

51-200

4,803

201-500

996

501-1,000

264

1,001-5,000

181

5,001-10,000

10001+

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 industrial hvac maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial hvac maintenance 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 115,585 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 October 16, 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.

Industrial hvac maintenance contractors by location

151 lists · largest first

Every Industrial hvac maintenance 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 “industrial hvac maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial hvac maintenance contractors are there worldwide?

RevenueBase identified 39,841 company matches for industrial hvac maintenance contractors worldwide as of October 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?

Blue Star Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most industrial hvac maintenance contractors?

The United States leads with 13,924 companies, followed by France (2,091) and the United Kingdom (1,923). Every industrial hvac maintenance contractors list by country and city is linked on this page.

Which city has the most industrial hvac maintenance contractors?

Sao Paulo leads with 369 company records, followed by Dubai (220) and Houston (200).

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 115,585 professional contacts with verified work emails tracked across these 39,841 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 October 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 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.