Company lists · Data refreshed October 2026

Top 25 Pollution measuring instrument suppliers based in the United States

RevenueBase identified 227 company matches for pollution measuring instrument suppliers associated with the United States as of October 2026 and tracks 9,518 professional contacts across them, including 3,954 with verified work emails. Houston is the largest hub.

This list covers company matches for pollution measuring 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 28, 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 28, 2026 How this list was built
227Companies
9,518Contacts tracked
3,954Verified emails
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The 25 largest pollution measuring instrument suppliers based in the United States

Ranked by team size
Top 25 of 227 company matches for pollution measuring instrument suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 matchLoveland, CO, United StatesHQ recorded Oct 28, 20261,001-5,0003,237 contacts →

Exact match

“At Hach, we ensure water quality for people around the world, and every associate plays a vital role in that mission.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchShoreview, MN, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
3Exact matchNorwalk, CT, United StatesHQ recorded Oct 28, 2026501-1,000610 contacts →

Exact match

“Omega sells more than products used to measure temperature and humidity, flow and level, and pressure.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchLogan, UT, United StatesHQ recorded Oct 28, 2026201-500551 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchLakewood, CO, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
6Exact matchWestborough, MA, United StatesHQ recorded Oct 28, 2026201-500245 contacts →

Exact match

“KPM Analytics is a global leader in analytical instrumentation primarily focused on analyzing critical parameters within the food, agriculture, clinical and environmental sectors.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchYellow Springs, OH, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
8Exact matchSeabrook, TX, United StatesHQ recorded Oct 28, 2026201-500155 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchPalatine, IL, United StatesHQ recorded Oct 28, 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 · Oct 28, 2026 · View company records in RevenueBase
10Exact matchChestertown, MD, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
11Exact matchLincoln, NE, United StatesHQ recorded Oct 28, 2026201-500145 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchPittsburgh, PA, United StatesHQ recorded Oct 28, 202651-20097 contacts →

Exact match

“What is the FEI Advantage?”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchChesapeake, VA, United StatesHQ recorded Oct 28, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Oct 28, 202651-20081 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchBroken Arrow, OK, United StatesHQ recorded Oct 28, 202651-20077 contacts →

Exact match

“Air Hygiene is a national leader in stack testing, air emissions measurement, RATAs, and regulatory compliance services for industrial facilities across the United States.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchSt. Petersburg, FL, United StatesHQ recorded Oct 28, 202651-20065 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
18Exact matchMequon, WI, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
19Exact matchSolon, OH, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
20Exact matchSaline, MI, United StatesHQ recorded Oct 28, 202651-20047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchAmerican Canyon, CA, United StatesHQ recorded Oct 28, 202611-5046 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchCharleston, SC, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
23Exact matchOcala, FL, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Oct 28, 202611-5039 contacts →

Exact match

“Erthwrks provides air testing services for industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25Exact matchOwings Mills, MD, United StatesHQ recorded Oct 28, 202651-20037 contacts →

Exact match

“For more than 60 years, Air Techniques International has defined the market in the measurement and detection of airborne particulate hazards and contaminants.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 227 pollution measuring instrument suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 3,954 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pollution measuring instrument suppliers based in the United States at a glance

As of Oct 28, 2026
41.5%Verified-email coverage
41.9Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Houston
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
79
11-50
94
51-200
36
201-500
9
501-1,000
4
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 227 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 “pollution measuring 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 3,954 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 28, 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 “pollution measuring instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 227 company matches for pollution measuring 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?

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

Which city has the most pollution measuring instrument suppliers?

Houston leads with 4 company records, followed by Pittsburgh (4) and San Diego (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 3,954 professional contacts with verified work emails tracked across these 227 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 28, 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.