Company lists · Data refreshed October 2026

Top 25 Air pollution measuring system suppliers based in the United States

RevenueBase identified 256 company matches for air pollution measuring system suppliers associated with the United States as of October 2026 and tracks 6,114 professional contacts across them, including 2,479 with verified work emails. San Diego is the largest hub.

This list covers company matches for air pollution measuring system suppliers 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 21, 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 Oct 21, 2026 How this list was built
256Companies
6,114Contacts tracked
2,479Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest air pollution measuring system suppliers based in the United States

Ranked by team size
Top 25 of 256 company matches for air pollution measuring system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 21, 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 matchShoreview, MN, United StatesHQ recorded Oct 21, 2026501-1,0001,259 contacts →

Exact match

“TSI Incorporated serves a global market by investigating, identifying and solving measurement problems.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
2Exact matchLakewood, CO, United StatesHQ recorded Oct 21, 2026501-1,000326 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 · Oct 21, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Oct 21, 2026201-500323 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 · Oct 21, 2026 · View company records in RevenueBase
4Exact matchTrenton, NJ, United StatesHQ recorded Oct 21, 202651-200225 contacts →

Exact match

“Rees Scientific provides continuous automated monitoring to a limitless number of applications in a wide range of industries.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
5Exact matchYellow Springs, OH, United StatesHQ recorded Oct 21, 2026201-500199 contacts →

Exact match

“YSI is the maker of environmental, laboratory, and municipal monitoring instruments, sensors, software, systems, and data collection platforms for water quality monitoring and…”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
6Exact matchWhite City, OR, United StatesHQ recorded Oct 21, 2026201-500183 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
7Exact matchPullman, WA, United StatesHQ recorded Oct 21, 2026201-500161 contacts →

Exact match

“METER Group designs and manufactures scientific instrumentation that delivers real-time, environmental data to the agricultural, urban, and research sectors.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
8Exact matchSeabrook, TX, United StatesHQ recorded Oct 21, 2026201-500155 contacts →

Exact match

“Automation and Technology Group: Specializing in Analyzer System Integration.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
9Exact matchLincoln, NE, United StatesHQ recorded Oct 21, 2026201-500145 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
10Exact matchSterling, VA, United StatesHQ recorded Oct 21, 2026201-500106 contacts →

Exact match

“OTT HydroMet works to deliver customer outcomes by providing decision makers with vital insights they trust.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
11Exact matchBourne, MA, United StatesHQ recorded Oct 21, 202651-20091 contacts →

Exact match

“HOBO® Data Loggers, now a part of LI-COR Environmental, has been delivering award-winning environmental monitoring solutions since 1981.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
12Exact matchDenver, CO, United StatesHQ recorded Oct 21, 202651-20081 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
13Exact matchDexter, MI, United StatesHQ recorded Oct 21, 202651-20074 contacts →

Exact match

“QED Environmental Systems is the world's leading provider of environmental technology solutions.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
14Exact matchSt. Petersburg, FL, United StatesHQ recorded Oct 21, 202651-20065 contacts →

Exact match

“Ensuring Health & Safety is Our Mission - We're All In.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Oct 21, 202651-20059 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 · Oct 21, 2026 · View company records in RevenueBase
16Exact matchSparks, NV, United StatesHQ recorded Oct 21, 202651-20058 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 · Oct 21, 2026 · View company records in RevenueBase
17Exact matchMequon, WI, United StatesHQ recorded Oct 21, 202651-20058 contacts →

Exact match

“SEAL is a global manufacturer of environmental testing equipment primarily for the water quality industry and other environmental and industrial applications.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
18Exact matchLoris, SC, United StatesHQ recorded Oct 21, 202651-20056 contacts →

Exact match

“Globally, EBTRON provides industry-leading solutions for airflow measurement that offer accurate, repeatable, and long-term stability for years of reliable operation in the built…”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
19Exact matchSolon, OH, United StatesHQ recorded Oct 21, 202651-20055 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 · Oct 21, 2026 · View company records in RevenueBase
20Exact matchSaline, MI, United StatesHQ recorded Oct 21, 202651-20047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
21Exact matchHillside, IL, United StatesHQ recorded Oct 21, 202651-20047 contacts →

Exact match

“We engineer trusted intelligence from the physical world.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
22Exact matchAmerican Canyon, CA, United StatesHQ recorded Oct 21, 202611-5046 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
23Exact matchGlen Burnie, MD, United StatesHQ recorded Oct 21, 202611-5045 contacts →

Exact match

“VIM Technologies was founded in February 1992 by engineers with extensive software development experience for programmable logic controls and host computers.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
24Exact matchOcala, FL, United StatesHQ recorded Oct 21, 202651-20040 contacts →

Exact match

“Zefon International is a manufacturer and supplier of air sampling equipment used to monitor indoor environmental, occupational health, and safety conditions.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
25Exact matchHelena, MT, United StatesHQ recorded Oct 21, 202611-5039 contacts →

Exact match

“Air Quality and Environmental Consulting Bison Engineering, Inc.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase

Showing 25 of 256 air pollution measuring system suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 2,479 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Air pollution measuring system suppliers based in the United States at a glance

As of Oct 21, 2026
40.5%Verified-email coverage
23.9Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · San Diego
Oct 21, 2026Page data refreshed

Companies by employee count

1-10
88
11-50
115
51-200
35
201-500
11
501-1,000
3
1,001-5,000
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 256 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 pollution measuring system suppliers” 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 2,479 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 21, 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 pollution measuring system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many air pollution measuring system suppliers are there based in the United States?

RevenueBase identified 256 company matches for air pollution measuring system suppliers 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?

TSI Incorporated tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most air pollution measuring system suppliers?

San Diego leads with 5 company records, followed by Boulder (4) and Houston (4).

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 2,479 professional contacts with verified work emails tracked across these 256 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 256 air pollution measuring system suppliers based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.