Company lists · Data refreshed October 2026
Top 25 Cleanroom hvac contractors based in the United States
RevenueBase identified 1,352 company matches for cleanroom hvac contractors associated with the United States as of October 2026 and tracks 19,945 professional contacts across them, including 7,556 with verified work emails. Houston is the largest hub.
This list covers company matches for cleanroom hvac contractors 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 October 9, 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.
The 25 largest cleanroom hvac contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 580 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 507 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 458 contacts → | ||||
Exact match “Since 1947, Hoffman & Hoffman, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 410 contacts → | ||||
Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 383 contacts → | ||||
Exact match “Brycon was founded on June 1, 1990, in New Mexico to fit a market need for specialized cleanroom construction.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 370 contacts → | ||||
Exact match “Shaping the Future of Sustainable Climate Control At XNRGY Climate Systems, we are on a mission to revolutionize climate control with a focus on sustainability and innovation.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 277 contacts → | ||||
Exact match “Camfil is a leading supplier of HVAC air filters."The Camfil Group is a world leader in the development and production of air filters and clean air solutions." The Group…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 251 contacts → | ||||
Exact match “Flanders is a leading air filtration products manufacturer.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 219 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 211 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 204 contacts → | ||||
Exact match “The leader in Modular Cleanroom Systems AES is the leader in design, construction, and manufacture of modular cleanroom systems and custom cleanroom equipment for life science and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 202 contacts → | ||||
Exact match “MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 197 contacts → | ||||
Exact match “BASX is an industry leader in the manufacturing of high efficiency data center cooling solutions, cleanroom systems, custom HVAC systems and modular solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 184 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 183 contacts → | ||||
Exact match “Since 1946 Revcor has been a staple company in the design and manufacture of revolutionary airflow solutions that efficiently, quietly and reliably deliver the air that improves…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 134 contacts → | ||||
Exact match “Gamewell Mechanical has earned the reputation of Quality Construction.Ahead of Schedule.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 129 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 119 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 117 contacts → | ||||
Exact match “We help manufacturing and warehousing leaders create healthy work environments for their hard-working people.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 116 contacts → | ||||
Exact match “At Rensa Filtration, our mission is to help people breathe cleaner air.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 115 contacts → | ||||
Exact match “Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 113 contacts → | ||||
Exact match “Terra Universal is the global leader of Critical Environment Solutions®.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 107 contacts → | ||||
Exact match “Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 103 contacts → | ||||
Exact match “Exceeding expectations since 1971, Seasons 4 has been providing custom HVAC systems for supermarkets, schools, commercial and office buildings, government facilities, and other…” Recorded in the RevenueBase company graph · Oct 9, 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 “cleanroom hvac 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 1,352 cleanroom hvac contractors based in the United States
See the full list, filter by size, metro and specialty, and access 7,556 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleanroom hvac contractors based in the United States at a glance
As of Oct 9, 2026Companies by employee count
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 1,352 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 “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. 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 7,556 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 9, 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 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 “cleanroom hvac contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleanroom hvac contractors are there based in the United States?
RevenueBase identified 1,352 company matches for cleanroom hvac contractors associated with the United States 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?
Texas Airsystems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cleanroom hvac contractors?
Houston leads with 28 company records, followed by New York (27) and Miami (18).
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 7,556 professional contacts with verified work emails tracked across these 1,352 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,352 cleanroom hvac contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Cleanroom hvac contractors by geography
- Cleanroom hvac contractors based in Houston, United States
- Cleanroom hvac contractors based in New York, United States
- Cleanroom hvac contractors based in Australia
- Cleanroom hvac contractors based in Belgium
- Cleanroom hvac contractors based in Brazil
- Cleanroom hvac contractors based in Canada
- Cleanroom hvac contractors based in Chile
- Cleanroom hvac contractors based in Colombia
- Cleanroom hvac contractors based in France
- Cleanroom hvac contractors based in Germany
- Cleanroom hvac contractors based in India
- Cleanroom hvac contractors based in Ireland
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom hvac contractors based in Houston, United States
- Cleanroom hvac contractors based in New York, United States
- Cleanroom hvac contractors based in Australia
- Cleanroom hvac contractors based in Belgium
- Cleanroom hvac contractors based in Brazil
- Cleanroom hvac contractors based in Canada
Company intelligence · public preview
Top 25 cleanroom hvac contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,352 matching company records for cleanroom hvac contractors based in the United States, with 19,945 tracked contacts and 7,556 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cleanroom hvac contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Texas Airsystemstexasairsystems.com HQ: Irving, TX, United StatesReported employees: 201-500 | Irving, TX, United States | 201-500 | Exact match | 580 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Thermatherma.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 507 contacts → |
“Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hoffman & Hoffman, INChoffman-hoffman.comHQ: Greensboro, NC, United StatesReported employees: 1,001-5,000 | Greensboro, NC, United States | 1,001-5,000 | Exact match | 458 contacts → |
“Since 1947, Hoffman & Hoffman, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | John W. Danforth Companyjwdanforth.com HQ: Tonawanda, NY, United StatesReported employees: 501-1,000 | Tonawanda, NY, United States | 501-1,000 | Exact match | 410 contacts → |
“We are powered by the best people in the industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bryconbrycon.com HQ: Rio Rancho, NM, United StatesReported employees: 501-1,000 | Rio Rancho, NM, United States | 501-1,000 | Exact match | 383 contacts → |
“Brycon was founded on June 1, 1990, in New Mexico to fit a market need for specialized cleanroom construction.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Xnrgy Climate Systemsxnrgy.comHQ: Mesa, AZ, United StatesReported employees: 501-1,000 | Mesa, AZ, United States | 501-1,000 | Exact match | 370 contacts → |
“Shaping the Future of Sustainable Climate Control At XNRGY Climate Systems, we are on a mission to revolutionize climate control with a focus on sustainability and innovation.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Camfil, USAcamfil.usHQ: Riverdale, NJ, United StatesReported employees: 1,001-5,000 | Riverdale, NJ, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Camfil is a leading supplier of HVAC air filters."The Camfil Group is a world leader in the development and production of air filters and clean air solutions." The Group…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Flanders Corporationflanderscorp.comHQ: Washington, NC, United StatesReported employees: 1,001-5,000 | Washington, NC, United States | 1,001-5,000 | Exact match | 251 contacts → |
“Flanders is a leading air filtration products manufacturer.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Energy Air, INCenergyair.comHQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 219 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Ambientambient-enterprises.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 211 contacts → |
“Ambient is a national collective of HVAC design and implementation firms, each entity esteemed in their respective regions with decades of experience.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  AES Cleanroom Technologyaesclean.comHQ: Montgomeryville, PA, United StatesReported employees: 201-500 | Montgomeryville, PA, United States | 201-500 | Exact match | 204 contacts → |
“The leader in Modular Cleanroom Systems AES is the leader in design, construction, and manufacture of modular cleanroom systems and custom cleanroom equipment for life science and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Maxair Mechanicalmaxairmech.comHQ: Marietta, GA, United StatesReported employees: 201-500 | Marietta, GA, United States | 201-500 | Exact match | 202 contacts → |
“MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  BASXbasx.comHQ: Redmond, OR, United StatesReported employees: 501-1,000 | Redmond, OR, United States | 501-1,000 | Exact match | 197 contacts → |
“BASX is an industry leader in the manufacturing of high efficiency data center cooling solutions, cleanroom systems, custom HVAC systems and modular solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Emcor Services Aircondaircond.comHQ: Smyrna, GA, United StatesReported employees: 201-500 | Smyrna, GA, United States | 201-500 | Exact match | 184 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Revcorrevcor.com HQ: Carpentersville, IL, United StatesReported employees: 501-1,000 | Carpentersville, IL, United States | 501-1,000 | Exact match | 183 contacts → |
“Since 1946 Revcor has been a staple company in the design and manufacture of revolutionary airflow solutions that efficiently, quietly and reliably deliver the air that improves…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gamewell Mechanical LLCgamewellmech.com HQ: Salisbury, NC, United StatesReported employees: 201-500 | Salisbury, NC, United States | 201-500 | Exact match | 134 contacts → |
“Gamewell Mechanical has earned the reputation of Quality Construction.Ahead of Schedule.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Addison Hvacaddison-hvac.comHQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 129 contacts → |
“Addison is a leading supplier of HVAC cooling and dehumidification equipment for commercial and industrial applications with extensive experience in treating ventilation air.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Environmental Systems, INCesihvac.com HQ: Taunton, MA, United StatesReported employees: 51-200 | Taunton, MA, United States | 51-200 | Exact match | 124 contacts → |
“Environmental Systems, Inc.(ESI) is a premier mechanical contractor & engineering firm headquartered in Taunton, Massachusetts, with offices in Nashua, New Hampshire, and Warwick…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The K Company, INCthekcompany.com HQ: Akron, OH, United StatesReported employees: 201-500 | Akron, OH, United States | 201-500 | Exact match | 119 contacts → |
“Since 1972, The K Company has been setting the standard in commercial, residential and industrial heating, air conditioning, ventilation and refrigeration systems.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cambridge AIR Solutionscambridgeair.com HQ: Chesterfield, MO, United StatesReported employees: 51-200 | Chesterfield, MO, United States | 51-200 | Exact match | 117 contacts → |
“We help manufacturing and warehousing leaders create healthy work environments for their hard-working people.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Rensa Filtrationrensafiltration.comHQ: Aurora, IL, United StatesReported employees: 1,001-5,000 | Aurora, IL, United States | 1,001-5,000 | Exact match | 116 contacts → |
“At Rensa Filtration, our mission is to help people breathe cleaner air.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Custom AIR Products & Services, INCcustomairproducts.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 115 contacts → |
“Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terra Universal, INCterrauniversal.com HQ: Fullerton, CA, United StatesReported employees: 201-500 | Fullerton, CA, United States | 201-500 | Exact match | 113 contacts → |
“Terra Universal is the global leader of Critical Environment Solutions®.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lawyer Mechanical Serviceslmses.comHQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 107 contacts → |
“Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Seasons 4 INCseasons4.net HQ: Douglasville, GA, United StatesReported employees: 51-200 | Douglasville, GA, United States | 51-200 | Exact match | 103 contacts → |
“Exceeding expectations since 1971, Seasons 4 has been providing custom HVAC systems for supermarkets, schools, commercial and office buildings, government facilities, and other…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,352 company matches
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Cleanroom hvac contractors: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,349 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,352 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cleanroom hvac contractors by metro
Questions about this company list
What does Exact match mean for cleanroom hvac contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleanroom hvac contractors did RevenueBase find based in the United States?
The saved snapshot records 1,352 matching company records, 19,945 tracked contacts and 7,556 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleanroom hvac contractors by geography
- Cleanroom hvac contractors based in Houston, United States
- Cleanroom hvac contractors based in New York, United States
- Cleanroom hvac contractors based in Australia
- Cleanroom hvac contractors based in Belgium
- Cleanroom hvac contractors based in Brazil
- Cleanroom hvac contractors based in Canada
- Cleanroom hvac contractors based in Chile
- Cleanroom hvac contractors based in Colombia
- Cleanroom hvac contractors based in France
- Cleanroom hvac contractors based in Germany
- Cleanroom hvac contractors based in India
- Cleanroom hvac contractors based in Ireland
Cite this list
RevenueBase Data Team. Top 25 cleanroom hvac contractors based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/cleanroom-hvac-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom hvac contractors based in Houston, United States
- Cleanroom hvac contractors based in New York, United States
- Cleanroom hvac contractors based in Australia
- Cleanroom hvac contractors based in Belgium
- Cleanroom hvac contractors based in Brazil
- Cleanroom hvac contractors based in Canada
Company intelligence · public preview
Top 25 cleanroom hvac contractors based in the United States
RevenueBase records 1,352 matching company records for cleanroom hvac contractors based in the United States, with 19,945 tracked contacts and 7,556 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cleanroom hvac contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Texas Airsystemstexasairsystems.com HQ: Irving, TX, United StatesReported employees: 201-500 | Irving, TX, United States | 201-500 | Exact match | 580 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Thermatherma.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 507 contacts → |
“Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hoffman & Hoffman, INChoffman-hoffman.com HQ: Greensboro, NC, United StatesReported employees: 1,001-5,000 | Greensboro, NC, United States | 1,001-5,000 | Exact match | 458 contacts → |
“Since 1947, Hoffman & Hoffman, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | John W. Danforth Companyjwdanforth.com HQ: Tonawanda, NY, United StatesReported employees: 501-1,000 | Tonawanda, NY, United States | 501-1,000 | Exact match | 410 contacts → |
“We are powered by the best people in the industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bryconbrycon.com HQ: Rio Rancho, NM, United StatesReported employees: 501-1,000 | Rio Rancho, NM, United States | 501-1,000 | Exact match | 383 contacts → |
“Brycon was founded on June 1, 1990, in New Mexico to fit a market need for specialized cleanroom construction.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Xnrgy Climate Systemsxnrgy.com HQ: Mesa, AZ, United StatesReported employees: 501-1,000 | Mesa, AZ, United States | 501-1,000 | Exact match | 370 contacts → |
“Shaping the Future of Sustainable Climate Control At XNRGY Climate Systems, we are on a mission to revolutionize climate control with a focus on sustainability and innovation.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Camfil, USAcamfil.us HQ: Riverdale, NJ, United StatesReported employees: 1,001-5,000 | Riverdale, NJ, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Camfil is a leading supplier of HVAC air filters."The Camfil Group is a world leader in the development and production of air filters and clean air solutions." The Group…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Flanders Corporationflanderscorp.com HQ: Washington, NC, United StatesReported employees: 1,001-5,000 | Washington, NC, United States | 1,001-5,000 | Exact match | 251 contacts → |
“Flanders is a leading air filtration products manufacturer.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Energy Air, INCenergyair.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 219 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Ambientambient-enterprises.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 211 contacts → |
“Ambient is a national collective of HVAC design and implementation firms, each entity esteemed in their respective regions with decades of experience.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AES Cleanroom Technologyaesclean.com HQ: Montgomeryville, PA, United StatesReported employees: 201-500 | Montgomeryville, PA, United States | 201-500 | Exact match | 204 contacts → |
“The leader in Modular Cleanroom Systems AES is the leader in design, construction, and manufacture of modular cleanroom systems and custom cleanroom equipment for life science and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Maxair Mechanicalmaxairmech.com HQ: Marietta, GA, United StatesReported employees: 201-500 | Marietta, GA, United States | 201-500 | Exact match | 202 contacts → |
“MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | BASXbasx.com HQ: Redmond, OR, United StatesReported employees: 501-1,000 | Redmond, OR, United States | 501-1,000 | Exact match | 197 contacts → |
“BASX is an industry leader in the manufacturing of high efficiency data center cooling solutions, cleanroom systems, custom HVAC systems and modular solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Emcor Services Aircondaircond.com HQ: Smyrna, GA, United StatesReported employees: 201-500 | Smyrna, GA, United States | 201-500 | Exact match | 184 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Revcorrevcor.com HQ: Carpentersville, IL, United StatesReported employees: 501-1,000 | Carpentersville, IL, United States | 501-1,000 | Exact match | 183 contacts → |
“Since 1946 Revcor has been a staple company in the design and manufacture of revolutionary airflow solutions that efficiently, quietly and reliably deliver the air that improves…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gamewell Mechanical LLCgamewellmech.com HQ: Salisbury, NC, United StatesReported employees: 201-500 | Salisbury, NC, United States | 201-500 | Exact match | 134 contacts → |
“Gamewell Mechanical has earned the reputation of Quality Construction.Ahead of Schedule.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Addison Hvacaddison-hvac.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 129 contacts → |
“Addison is a leading supplier of HVAC cooling and dehumidification equipment for commercial and industrial applications with extensive experience in treating ventilation air.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Environmental Systems, INCesihvac.com HQ: Taunton, MA, United StatesReported employees: 51-200 | Taunton, MA, United States | 51-200 | Exact match | 124 contacts → |
“Environmental Systems, Inc.(ESI) is a premier mechanical contractor & engineering firm headquartered in Taunton, Massachusetts, with offices in Nashua, New Hampshire, and Warwick…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The K Company, INCthekcompany.com HQ: Akron, OH, United StatesReported employees: 201-500 | Akron, OH, United States | 201-500 | Exact match | 119 contacts → |
“Since 1972, The K Company has been setting the standard in commercial, residential and industrial heating, air conditioning, ventilation and refrigeration systems.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cambridge AIR Solutionscambridgeair.com HQ: Chesterfield, MO, United StatesReported employees: 51-200 | Chesterfield, MO, United States | 51-200 | Exact match | 117 contacts → |
“We help manufacturing and warehousing leaders create healthy work environments for their hard-working people.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rensa Filtrationrensafiltration.com HQ: Aurora, IL, United StatesReported employees: 1,001-5,000 | Aurora, IL, United States | 1,001-5,000 | Exact match | 116 contacts → |
“At Rensa Filtration, our mission is to help people breathe cleaner air.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Custom AIR Products & Services, INCcustomairproducts.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 115 contacts → |
“Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terra Universal, INCterrauniversal.com HQ: Fullerton, CA, United StatesReported employees: 201-500 | Fullerton, CA, United States | 201-500 | Exact match | 113 contacts → |
“Terra Universal is the global leader of Critical Environment Solutions®.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lawyer Mechanical Serviceslmses.com HQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 107 contacts → |
“Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Seasons 4 INCseasons4.net HQ: Douglasville, GA, United StatesReported employees: 51-200 | Douglasville, GA, United States | 51-200 | Exact match | 103 contacts → |
“Exceeding expectations since 1971, Seasons 4 has been providing custom HVAC systems for supermarkets, schools, commercial and office buildings, government facilities, and other…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Cleanroom hvac contractors: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,349 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,352 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cleanroom hvac contractors by metro
Questions about this company list
What does Exact match mean for cleanroom hvac contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleanroom hvac contractors did RevenueBase find based in the United States?
The saved snapshot records 1,352 matching company records, 19,945 tracked contacts and 7,556 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleanroom hvac contractors by geography
- Cleanroom hvac contractors based in Houston, United States
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- Cleanroom hvac contractors based in Belgium
- Cleanroom hvac contractors based in Brazil
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- Cleanroom hvac contractors based in Colombia
- Cleanroom hvac contractors based in France
- Cleanroom hvac contractors based in Germany
- Cleanroom hvac contractors based in India
- Cleanroom hvac contractors based in Ireland
Cite this list
RevenueBase Data Team. Top 25 cleanroom hvac contractors based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/cleanroom-hvac-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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