Company lists · Data refreshed November 2026

Top 25 Cleanroom hvac contractors worldwide

RevenueBase identified 22,211 company matches for cleanroom hvac contractors worldwide as of November 2026 and tracks 219,735 professional contacts across them, including 58,182 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for cleanroom hvac 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 cleanroom hvac 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
22,211Companies
219,735Contacts tracked
58,182Verified emails
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The 25 largest cleanroom hvac contractors worldwide

Ranked by team size
Top 25 of 22,211 company matches for cleanroom hvac 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 matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202610001+4,396 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 20265,001-10,0002,633 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrøndby, DenmarkHQ recorded Nov 6, 20261,001-5,0001,385 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAtlanta, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,143 contacts →

Exact match

“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLouisville, TN, United StatesHQ recorded Nov 6, 2026501-1,0001,049 contacts →

Exact match

“CMTA is part of Legence, a Nasdaq Listed company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCasablanca, MoroccoHQ recorded Nov 6, 20261,001-5,0001,010 contacts →

Exact match

“La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCarquefou, FranceHQ recorded Nov 6, 20261,001-5,000982 contacts →

Exact match

“Spécialiste du froid et la climatisation depuis 60 ans, MCI s'engage à vous offrir un grand choix de solutions et de services parfaitement adaptés à vos exigences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBrea, CA, United StatesHQ recorded Nov 6, 20261,001-5,000741 contacts →

Exact match

“CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHelsinki, FinlandHQ recorded Nov 6, 20261,001-5,000710 contacts →

Exact match

“Halton Group is the global technology leader in indoor air solutions for demanding spaces.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSeraing, BelgiumHQ recorded Nov 6, 20261,001-5,000697 contacts →

Exact match

“The Hamon Group does not exist anymore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNijmegen, NetherlandsHQ recorded Nov 6, 2026501-1,000659 contacts →

Exact match

“Kropman ontwerpt, bouwt en onderhoudt en beheert gebouwgebonden installaties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNorthbrook, IL, United StatesHQ recorded Nov 6, 20261,001-5,000606 contacts →

Exact match

“At F.E.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIrving, TX, United StatesHQ recorded Nov 6, 2026201-500583 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGlendale Heights, CA, United StatesHQ recorded Nov 6, 20261,001-5,000581 contacts →

Exact match

“At Climate Pros, LLC, we are a leading commercial refrigeration and HVAC company specializing in the design, construction, and servicing of refrigeration systems across thousands…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 20261,001-5,000553 contacts →

Exact match

“DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 20261,001-5,000517 contacts →

Exact match

“Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMainburg, GermanyHQ recorded Nov 6, 20261,001-5,000506 contacts →

Exact match

“As a leading supplier of heating and air handling systems, we are perfectly in tune with you.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026501-1,000504 contacts →

Exact match

“Since 1996, MSS has made thousands of facilities more efficient, comfortable, secure and reliable for owners, operators and occupiers across the Carolinas and throughout North…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026501-1,000504 contacts →

Exact match

“Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFranceHQ recorded Nov 6, 20261,001-5,000491 contacts →

Exact match

“CIAT has over 90 years of experience as one of Europes leading names in the HVAC industry for creating innovative, durable and high-performing products, with a speciality on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026501-1,000490 contacts →

Exact match

“Founded by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20261,001-5,000488 contacts →

Exact match

“Engineered Air is one of North America's largest manufacturers of Heating, Air Conditioning, Ventilation, Refrigeration, Energy Recovery and Heat Transfer Products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGreensboro, TN, United StatesHQ recorded Nov 6, 20261,001-5,000469 contacts →

Exact match

“Since 1947, Hoffman & Hoffman, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBunschoten-spakenburg, United StatesHQ recorded Nov 6, 20261,001-5,000459 contacts →

Exact match

“Heinen & Hopman Engineering was founded in 1965 as a family business in the heart of Holland, Spakenburg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFeltre, ItalyHQ recorded Nov 6, 2026501-1,000436 contacts →

Exact match

“Clivet is a leading European company that designs, produces and distributes systems for air conditioning, heating, fresh air and purification with a wide range of solutions for…”

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

Showing 25 of 22,211 cleanroom hvac contractors worldwide

See the full list, filter by size, metro and specialty, and access 58,182 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cleanroom hvac contractors worldwide at a glance

As of Nov 6, 2026
26.5%Verified-email coverage
9.9Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
9,460
11-50
8,755
51-200
2,628
201-500
549
501-1,000
141
1,001-5,000
93
5,001-10,000
12
10001+
17

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 cleanroom hvac contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “cleanroom hvac 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 58,182 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.

Cleanroom hvac contractors by location

72 lists · largest first

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

How many cleanroom hvac contractors are there worldwide?

RevenueBase identified 22,211 company matches for cleanroom hvac 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?

Daikin Applied Americas tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most cleanroom hvac contractors?

The United States leads with 5,950 companies, followed by Brazil (1,213) and the United Kingdom (1,165). Every cleanroom hvac contractors list by country and city is linked on this page.

Which city has the most cleanroom hvac contractors?

Sao Paulo leads with 296 company records, followed by Dubai (109) and London (103).

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 58,182 professional contacts with verified work emails tracked across these 22,211 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.

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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.