Company lists · Data refreshed September 2026
Top 25 Clean room air handling manufacturers based in the United States
RevenueBase identified 324 clean room air handling manufacturers headquartered in the United States as of September 2026 and tracks 7,380 professional contacts across them, including 2,625 with verified work emails. Houston is the largest hub.
This list covers clean room air handling manufacturers headquartered in the United States, 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 16, 2026.
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 clean room air handling manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 806 contacts → | ||||
Strong evidence “AAF International clean air products and systems offer the most comprehensive clean air solutions available in the world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 316 contacts → | ||||
Indirect evidence “Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 279 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 261 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 227 contacts → | ||||
Strong evidence “Flanders is a leading air filtration products manufacturer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 213 contacts → | ||||
Indirect evidence “Columbus Industries is a global company that has grown steadily since its inception in 1965 to include over 900 associates in seven locations worldwide.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 189 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 187 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 187 contacts → | ||||
Indirect evidence “BASX is an industry leader in the manufacturing of high efficiency data center cooling solutions, cleanroom systems, custom HVAC systems and modular solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 124 contacts → | ||||
Partial evidence “For more than 60 years, Baker has helped advance science, discovery and clinical care by pioneering innovative solutions for air containment, contamination control and controlled…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 124 contacts → | ||||
Indirect evidence “Abatement Technologies, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 110 contacts → | ||||
Indirect evidence “Since 1967, Joe W.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 107 contacts → | ||||
Indirect evidence “Terra Universal is the global leader of Critical Environment Solutions®.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 104 contacts → | ||||
Partial evidence “At Rensa Filtration, our mission is to help people breathe cleaner air.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 86 contacts → | ||||
Strong evidence “ClimateCraft® manufactures custom air handling units (AHUs) for Commercial, Education, Government, Healthcare, High Tech Manufacturing and Life Sciences environments.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 85 contacts → | ||||
Indirect evidence “CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 84 contacts → | ||||
Indirect evidence “AdvanceTEC is the leader in cleanroom design, construction, off-site prefabrication, and modularization.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 78 contacts → | ||||
Strong evidence “Air Enterprises designs, engineers and manufactures custom air handling solutions to meet any system configuration or space requirement.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 77 contacts → | ||||
Indirect evidence “G-CON Manufacturing, Inc.’s prefabricated, turnkey cleanroom systems represent a significant transition to forward thinking in pharmaceutical and biopharmaceutical processing.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 73 contacts → | ||||
Strong evidence “Manufacturers of Air Handling Equipment for the industrial, heavy commercial, and mission critical HVAC Industry: Computer Room Air Handlers, Multi-Mode Evaporative Cooling for…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 71 contacts → | ||||
Strong evidence “Innovent Air Handling Equipment has provided building ventilation solutions for over 30 years.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 70 contacts → | ||||
Indirect evidence “Founded in 1981 in San Jose, California, ICOM has provided The Silicon Valley and other important technology communities with the highest level of products and services for nearly…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 66 contacts → | ||||
Strong evidence “Delivering industrial clean air solutions is our mission.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 58 contacts → | ||||
Partial evidence “Cleaner air starts with Hastings.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 53 contacts → | ||||
Indirect evidence “Helping buildings breathe better.” Source: RevenueBase Database · checked Sep 16, 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: clean room air handling manufacturers. 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 clean room air handling manufacturers.
- Partial evidence
- Its own public description names part of clean room air handling manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name clean room air handling manufacturers. 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 324 clean room air handling manufacturers based in the United States
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Clean room air handling manufacturers based in the United States at a glance
As of Sep 16, 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 324 companies.
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 clean room air handling manufacturers, 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “clean room air handling manufacturers”. 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 clean room air handling manufacturers), 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 clean room air handling manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 2,625 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 16, 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.
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 clean room air handling manufacturers, 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 clean room air handling manufacturers are there based in the United States?
RevenueBase identified 324 clean room air handling manufacturers headquartered in the United States 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?
AAF International American AIR Filter, headquartered in Louisville, tops this list with the largest team on record.
Which city has the most clean room air handling manufacturers?
Houston leads with 8 headquartered companies, followed by Canton (4) and Comstock Park (4).
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 2,625 verified decision-maker contacts tracked across these 324 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 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 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.
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