Company lists · Data refreshed October 2026

Top 25 Air testing instrument suppliers based in the United States

RevenueBase identified 72 company matches for air testing instrument suppliers associated with the United States as of October 2026 and tracks 1,206 professional contacts across them, including 450 with verified work emails. Ann Arbor is the largest hub.

This list covers company matches for air testing instrument 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
72Companies
1,206Contacts tracked
450Verified emails
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The 25 largest air testing instrument suppliers based in the United States

Ranked by team size
Top 25 of 72 company matches for air testing instrument 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 matchChestertown, MD, United StatesHQ recorded Oct 21, 2026201-500149 contacts →

Exact match

“Since 1919, we are a leading manufacturer of environmental testing equipment for water and soil.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact matchCharleston, SC, United StatesHQ recorded Oct 21, 2026501-1,00043 contacts →

Exact match

“Environmental Express is your trusted partner for innovation, development and manufacture of sample collection, preparation, single use consumables and analysis equipment used in…”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchAustin, TX, United StatesHQ recorded Oct 21, 202611-5039 contacts →

Exact match

“Erthwrks provides air testing services for industry.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
10Exact matchNewton, NJ, United StatesHQ recorded Oct 21, 202651-20025 contacts →

Exact match

“ASTG- Analytical Science & Technologies Group When gas requirements are critical to your future, ASTG can move you there, today.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
11Exact matchGurnee Il, IL, United StatesHQ recorded Oct 21, 202611-5022 contacts →

Exact match

“RAECO Rents is a nationwide rental provider of calibrated industrial hygiene, safety, and environmental monitoring instrumentation.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
12Exact matchLivermore, CA, United StatesHQ recorded Oct 21, 202611-5021 contacts →

Exact match

“Assay Technology is a stable, private, employee-owned company that manufactures personal air samplers for employers who desire to monitor exposures to chemicals in workers'…”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
13Exact matchGrants Pass, OR, United StatesHQ recorded Oct 21, 202651-20021 contacts →

Exact match

“Manufacturer of meteorological and particulate monitoring instruments and systems for ambient air.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
14Exact matchWarren, RI, United StatesHQ recorded Oct 21, 202611-5017 contacts →

Exact match

“American Ecotech specializes in the design, installation, operation and maintenance of air pollution monitoring instrumentation and systems.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
15Exact matchAnn Arbor, MI, United StatesHQ recorded Oct 21, 202611-5014 contacts →

Exact match

“ENMET is a trusted leader in toxic gas detection and air monitoring, protecting people, facilities, and communities for over 50 years.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
16Exact matchCleves, OH, United StatesHQ recorded Oct 21, 202611-5014 contacts →

Exact match

“Tisch Environmental has been a market leader and innovator in air particulate sampling instrumentation since 1954.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
17Exact matchWarren, RI, United StatesHQ recorded Oct 21, 202611-5012 contacts →

Exact match

“Ambilabs® manufactures turn-key scientific field monitoring laboratories and the associated infrastructure installed inside each monitoring laboratory.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
18Exact matchHumble, TX, United StatesHQ recorded Oct 21, 202611-5012 contacts →

Exact match

“Precision German Engineering with Local US Application Support, Sales, Installation, and Service.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
19Exact matchShelton, CT, United StatesHQ recorded Oct 21, 202611-5012 contacts →

Exact match

“Manufacturer of advanced environmental instrumentation for IAQ, TVOC, CO2, Particulate, Toxic Gasses (including Formaldehyde, Ozone, Ammonia), Air Velocity, Differential Pressure…”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
20Exact matchDemotte, IN, United StatesHQ recorded Oct 21, 20261-1012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Oct 21, 20261-1011 contacts →

Exact match

“REPSS offers instrumentation sales, support, repair, calibration, and training to assist industrial hygiene, safety, health, and environmental professionals.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
22Exact matchScottsdale, AZ, United StatesHQ recorded Oct 21, 20261-1011 contacts →

Exact match

“Sper Scientific is a trusted supplier of environmental test & measurement instruments for laboratory and industrial environments.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
23Exact matchAndover, NJ, United StatesHQ recorded Oct 21, 202651-2009 contacts →

Exact match

“Kanomax has delivered the best measurement solutions in its products and services that adapt precision measurement technology for fluids and particles.”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
24Exact matchCocoa, FL, United StatesHQ recorded Oct 21, 20261-109 contacts →

Exact match

“linktr.ee/DiamondSci Your experts in the life cycle of gas analysis!”

Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase
25Exact matchCity Of Industry, CA, United StatesHQ recorded Oct 21, 20261-108 contacts →

Exact match

“AirTECHNOLOGY offers the specialty environmental laboratory service of air toxics analyses.”

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

Showing 25 of 72 air testing instrument suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 450 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Air testing instrument suppliers based in the United States at a glance

As of Oct 21, 2026
37.3%Verified-email coverage
16.8Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Ann Arbor
Oct 21, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
25
51-200
13
201-500
3
501-1,000
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 72 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 testing instrument 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 450 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 testing instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many air testing instrument suppliers are there based in the United States?

RevenueBase identified 72 company matches for air testing instrument 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?

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

Which city has the most air testing instrument suppliers?

Ann Arbor leads with 2 company records, followed by Austin (2) and City Of Industry (2).

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 450 professional contacts with verified work emails tracked across these 72 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 72 air testing instrument suppliers based in the United States. Start with a free account, no credit card.

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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.