Company lists · Data refreshed September 2026
Top 25 Laboratory hvac maintenance providers worldwide
RevenueBase identified 10,421 laboratory hvac maintenance providers worldwide as of September 2026 and tracks 80,145 professional contacts across them, including 20,009 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers laboratory hvac maintenance providers worldwide, 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 20, 2026. Country and city lists for laboratory hvac maintenance providers follow the table.
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.
The 25 largest laboratory hvac maintenance providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,085 contacts → | ||||
Indirect evidence “Welcome to FAWAZ Group official account!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 523 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 445 contacts → | ||||
Indirect evidence “Since 1947, Hoffman & Hoffman, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 436 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 400 contacts → | ||||
Partial evidence “Dedicated to Excellence For over a century, Carmichael has been delivering expert solutions in HVAC, industrial refrigeration, automation, combustion, energy, and scientific…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 348 contacts → | ||||
Indirect evidence “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 340 contacts → | ||||
Indirect evidence “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 333 contacts → | ||||
Partial evidence “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 271 contacts → | ||||
Partial evidence “VAE engineers, constructs and manages Smarter HVAC Solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 241 contacts → | ||||
Partial evidence “BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 229 contacts → | ||||
Partial evidence “At Precise we specialise in delivering integrated, whole-of-life HVAC, Fire, MFE and HVAC Hygiene solutions across Australia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 217 contacts → | ||||
Partial evidence “Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 214 contacts → | ||||
Partial evidence “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 213 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 201 contacts → | ||||
Partial evidence “Our commitment to the commercial HVAC industry has remained unchanged since we began in 1952.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 194 contacts → | ||||
Indirect evidence “Somos una empresa líder en el sector del aire acondicionado, ventilación mecánica, automatización y control, mantenimiento, retrofit, asesoría y soluciones para grantizar calidad…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 193 contacts → | ||||
Partial evidence “The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 190 contacts → | ||||
Indirect evidence “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 184 contacts → | ||||
Strong evidence “Since 1905, Elliott-Lewis has established itself as the premier HVAC/R service company in the Delaware Valley, providing complete maintenance, repair, operation engineering…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 184 contacts → | ||||
Partial evidence “Ambient is a national collective of HVAC design and implementation firms, each entity esteemed in their respective regions with decades of experience.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 184 contacts → | ||||
Indirect evidence “Celebrating over 35 years of operation in the Middle East market, our regional HQ is based in the UAE and we cater to the region via our offices in Dubai, Abu Dhabi, Lebanon…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 178 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 175 contacts → | ||||
Partial evidence “Daikin is wereldwijd marktleider op het gebied van HVAC-R systemen en specialist in verwarmen en koelen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 169 contacts → | ||||
Strong 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 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 167 contacts → | ||||
Indirect evidence “We believe in… excellence and heart.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: laboratory hvac maintenance providers. 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 laboratory hvac maintenance providers.
- Partial evidence
- Its own public description names part of laboratory hvac maintenance providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name laboratory hvac maintenance providers. 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 10,421 laboratory hvac maintenance providers worldwide
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Laboratory hvac maintenance providers worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 laboratory hvac maintenance providers, 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.
- Coverage
- Every country. Country and city lists for laboratory hvac maintenance providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “laboratory hvac maintenance providers”. 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 laboratory hvac maintenance providers), 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 laboratory hvac maintenance providers, and records with no verified work email.
- 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, 20,009 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 20, 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.
Laboratory hvac maintenance providers by location
32 lists · largest firstEvery Laboratory hvac maintenance providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Laboratory hvac maintenance providers based in the United States4,933
- Laboratory hvac maintenance providers based in Canada469
- Laboratory hvac maintenance providers based in Brazil463
- Laboratory hvac maintenance providers based in India432
- Laboratory hvac maintenance providers based in the United Kingdom381
- Laboratory hvac maintenance providers based in France313
- Laboratory hvac maintenance providers based in Australia243
- Laboratory hvac maintenance providers based in Italy175
- Laboratory hvac maintenance providers based in the United Arab Emirates172
- Laboratory hvac maintenance providers based in Germany108
- Laboratory hvac maintenance providers based in Mexico97
- Laboratory hvac maintenance providers based in Belgium89
- Laboratory hvac maintenance providers based in Spain86
- Laboratory hvac maintenance providers based in Switzerland76
- Laboratory hvac maintenance providers based in the Netherlands58
- Laboratory hvac maintenance providers based in South Africa57
- Laboratory hvac maintenance providers based in Portugal56
- Laboratory hvac maintenance providers based in Sweden53
- Laboratory hvac maintenance providers based in Finland45
- Laboratory hvac maintenance providers based in New Zealand37
- Laboratory hvac maintenance providers based in Ireland36
- Laboratory hvac maintenance providers based in Norway30
Cities
- Laboratory hvac maintenance providers based in New York, United States80
- Laboratory hvac maintenance providers based in Houston, United States79
- Laboratory hvac maintenance providers based in San Antonio, United States38
- Laboratory hvac maintenance providers based in Austin, United States33
- Laboratory hvac maintenance providers based in Dallas, United States31
- Laboratory hvac maintenance providers based in Jacksonville, United States30
- Laboratory hvac maintenance providers based in Tampa, United States28
- Laboratory hvac maintenance providers based in Charlotte, United States26
- Laboratory hvac maintenance providers based in Phoenix, United States26
- Laboratory hvac maintenance providers based in Miami, United States25
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 laboratory hvac maintenance providers, 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 laboratory hvac maintenance providers are there worldwide?
RevenueBase identified 10,421 laboratory hvac maintenance providers worldwide 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?
Fawaz Group, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most laboratory hvac maintenance providers?
The United States leads with 4,933 companies, followed by Canada (469) and Brazil (463). Every laboratory hvac maintenance providers list by country and city is linked on this page.
Which city has the most laboratory hvac maintenance providers?
Sao Paulo leads with 127 headquartered companies, followed by Dubai (90) and New York (80).
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 20,009 verified decision-maker contacts tracked across these 10,421 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 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 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.