Company lists · Data refreshed September 2026

Top 25 Air quality monitoring firms based in the United States

RevenueBase identified 491 company matches for air quality monitoring firms associated with the United States as of September 2026 and tracks 5,978 professional contacts across them, including 2,689 with verified work emails. San Francisco is the largest hub.

This list covers company matches for air quality monitoring firms 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 September 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
491Companies
5,978Contacts tracked
2,689Verified emails
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The 25 largest air quality monitoring firms based in the United States

Ranked by team size
Top 25 of 491 company matches for air quality monitoring firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchLouisville, KY, United StatesHQ recorded Sep 19, 20261,001-5,000806 contacts →

Exact match

“AAF International clean air products and systems offer the most comprehensive clean air solutions available in the world.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchLakewood, CO, United StatesHQ recorded Sep 19, 2026501-1,000323 contacts →

Exact match

“Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Sep 19, 2026201-500297 contacts →

Exact match

“Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchWhite City, OR, United StatesHQ recorded Sep 19, 2026201-500175 contacts →

Exact match

“When you need to monitor your cleanroom for contamination, Lighthouse is your premier solution provider.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchPalatine, IL, United StatesHQ recorded Sep 19, 202651-200152 contacts →

Exact match

“Since its founding in 1972, CleanAir has an established reputation for excellence on projects of all sizes, ranging from boiler, APC equipment and cooling tower efficiency testing…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchLincoln, NE, United StatesHQ recorded Sep 19, 2026201-500136 contacts →

Exact match

“LI-COR is a leader in environmental measurement and monitoring solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchAustin, TX, United StatesHQ recorded Sep 19, 202651-200114 contacts →

Exact match

“Based in Austin, Texas, ESC Spectrum, an Alliance Technical Group company, is a leading provider of products and services for customers in a variety of industries, from Electric…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchEighty Four, PA, United StatesHQ recorded Sep 19, 202651-20095 contacts →

Exact match

“SKC is a well-known and respected leader in industrial hygiene and occupational safety.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchSpring, TX, United StatesHQ recorded Sep 19, 202651-20080 contacts →

Exact match

“Insight Environmental is an environmental consulting firm founded on education, experience, and expertise.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchPetaluma, CA, United StatesHQ recorded Sep 19, 202651-20075 contacts →

Exact match

“Sonoma Technology is now Spheros Environmental.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchPrinceton, NJ, United StatesHQ recorded Sep 19, 202651-20074 contacts →

Exact match

“At the intersection of IAQ, energy, and maintenance, Dynamic Air Quality Solutions provides sustainable air cleaning solutions for new construction and existing buildings that…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchPalm Beach Gardens, FL, United StatesHQ recorded Sep 19, 202651-20074 contacts →

Exact match

“You track your sleep.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchTulsa, United StatesHQ recorded Sep 19, 202611-5068 contacts →

Exact match

“AIR HYGIENE is known for providing professional services which include the following:* Providing superior, cost saving services to our clients!* High quality emission testing…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-50063 contacts →

Exact match

“Sage ATC Environmental Consulting is now Atlas.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchSparks, NV, United StatesHQ recorded Sep 19, 202651-20061 contacts →

Exact match

“NevadaNano provides safety and climate solutions for many of the world’s largest corporations, with innovative multi-gas sensing products and IIoT automated emissions monitoring…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 202651-20057 contacts →

Exact match

“Aclima is pioneering an entirely new way to diagnose the health of our air and track climate-changing pollution.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchClearwater, FL, United StatesHQ recorded Sep 19, 202651-20057 contacts →

Exact match

“Is the health comfort and energy efficiency of facilities at risk?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 19, 20265,001-10,00057 contacts →

Exact match

“At Madison Air, we see air differently.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchSaline, MI, United StatesHQ recorded Sep 19, 202651-20052 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchPulaski, NY, United StatesHQ recorded Sep 19, 202651-20051 contacts →

Exact match

“Located in Upstate NY, we’re a team of experts and industry leaders reimagining the world as a better, safer place.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchSolon, OH, United StatesHQ recorded Sep 19, 202651-20050 contacts →

Exact match

“Founded in Ohio Lumex is an analytical technology company serving industrial, energy, environmental, and life sciences markets.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 202611-5045 contacts →

Exact match

“ChemDAQ’s mission is to empower customers to eliminate workplace exposure to toxic chemicals through innovative monitoring and control solutions, industry-leading partnerships…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchTampa, FL, United StatesHQ recorded Sep 19, 202651-20045 contacts →

Exact match

“Surgically Clean Air® is trusted by healthcare providers, educators, elite athletes, and professionals who demand the highest standards of indoor air quality.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchRockville, MD, United StatesHQ recorded Sep 19, 202611-5044 contacts →

Exact match

“N5 Sensors provides real-time environmental threat intelligence for venues, public spaces, critical infrastructure, and emergency response operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchAmerican Canyon, CA, United StatesHQ recorded Sep 19, 202611-5043 contacts →

Exact match

“EnviroCare International, Inc- A CECO Environmental Brand.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 491 air quality monitoring firms based in the United States

See the full list, filter by size, metro and specialty, and access 2,689 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Air quality monitoring firms based in the United States at a glance

As of Sep 19, 2026
45.0%Verified-email coverage
12.2Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · San Francisco
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
271
11-50
157
51-200
46
201-500
6
501-1,000
3
1,001-5,000
4
5,001-10,000
1
10001+
1

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 491 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 “air quality monitoring firms” 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 2,689 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 September 19, 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.

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 “air quality monitoring firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many air quality monitoring firms are there based in the United States?

RevenueBase identified 491 company matches for air quality monitoring firms associated with the United States as of September 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?

AAF International American AIR Filter tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most air quality monitoring firms?

San Francisco leads with 12 company records, followed by Boulder (7) and Austin (6).

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 2,689 professional contacts with verified work emails tracked across these 491 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 September 19, 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.