Company lists · Data refreshed October 2026

Top 25 Industrial hygiene monitoring equipment companies based in the United States

RevenueBase identified 323 company matches for industrial hygiene monitoring equipment companies associated with the United States as of October 2026 and tracks 10,209 professional contacts across them, including 3,578 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial hygiene monitoring equipment companies 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 16, 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 16, 2026 How this list was built
323Companies
10,209Contacts tracked
3,578Verified emails
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The 25 largest industrial hygiene monitoring equipment companies based in the United States

Ranked by team size
Top 25 of 323 company matches for industrial hygiene monitoring equipment companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 matchPasadena, TX, United StatesHQ recorded Oct 16, 20261,001-5,0002,675 contacts →

Exact match

“Total Safety is the world's premier provider of integrated safety and compliance services and the products necessary to support them, including gas detection, respiratory…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchShoreview, MN, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
3Exact matchPittsburgh, PA, United StatesHQ recorded Oct 16, 20261,001-5,000689 contacts →

Exact match

“Industrial Scientific designs and manufactures gas detection products and solutions that protect workers from hazardous conditions around the world.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchSanta Clara, CA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
5Exact matchWindsor, NJ, United StatesHQ recorded Oct 16, 2026201-500303 contacts →

Exact match

“Pine is the leading provider of rental equipment in the U.S.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchHayward, CA, United StatesHQ recorded Oct 16, 202651-200168 contacts →

Exact match

“With a staff of over 150 employees in the San Francisco, Sacramento, Los Angeles, San Diego, Modesto, Bakersfield, Fresno, Portland, Chicago, and Grand Rapids offices, Forensic…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7Exact matchLafayette, LA, United StatesHQ recorded Oct 16, 2026501-1,000133 contacts →

Exact match

“Secorp Industries began in 1972 and is a safety company providing Respiratory Protection, Gas Monitoring and Detection, Rescue Services, Safety/Medical Consultants and Training to…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 16, 2026201-500123 contacts →

Exact match

“Process Insights is a global organization, and provides real-time analytical gas and water analysis solutions, and safety products for a variety of industries including industrial…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchUnion City, CA, United StatesHQ recorded Oct 16, 202651-200110 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Oct 16, 202651-200109 contacts →

Exact match

“Since 1967, Joe W.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchDenver, CO, United StatesHQ recorded Oct 16, 202651-20081 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchSt. Louis, MO, United StatesHQ recorded Oct 16, 202651-20076 contacts →

Exact match

“Wise Safety & Environmental consists of Wise El Santo Co.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchColumbia, MO, United StatesHQ recorded Oct 16, 202651-20074 contacts →

Exact match

“CTI is a leading manufacturer of gas detection equipment for industrial facilities.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Oct 16, 202611-5074 contacts →

Exact match

“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchNew Kensington, PA, United StatesHQ recorded Oct 16, 2026201-50073 contacts →

Exact match

“MSA Bacharach is a global leader in the design, manufacture, and service of combustion gas analysis and refrigeration leak detectors, and monitoring instrumentation.”

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

Exact match

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

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact matchEighty Four, PA, United StatesHQ recorded Oct 16, 202651-20064 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18Exact matchBirmingham, AL, United StatesHQ recorded Oct 16, 202611-5063 contacts →

Exact match

“OHD is a company committed to our Mission of Passionately Protecting The Health Of The World's Workforce.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchSolon, OH, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
20Exact matchSt. Louis, MO, United StatesHQ recorded Oct 16, 202651-20052 contacts →

Exact match

“A full-service provider of industrial and environmental health & safety services SITEX saves lives.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchExport, PA, United StatesHQ recorded Oct 16, 202651-20052 contacts →

Exact match

“Founded in 1969 by Sam Shearer, CSE had its beginnings in servicing and repairing safety equipment for the coal mining industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Oct 16, 202611-5048 contacts →

Exact match

“International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchCharlotte, NC, United StatesHQ recorded Oct 16, 2026501-1,00048 contacts →

Exact match

“Since 1911, Innovation is Our Tradition.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchSaline, MI, United StatesHQ recorded Oct 16, 202651-20047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchPittsburgh, PA, United StatesHQ recorded Oct 16, 202611-5042 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 · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 323 industrial hygiene monitoring equipment companies based in the United States

See the full list, filter by size, metro and specialty, and access 3,578 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial hygiene monitoring equipment companies based in the United States at a glance

As of Oct 16, 2026
35.0%Verified-email coverage
31.6Average contacts per company
11-50Median size (employees)
4.3%Largest-city concentration · Houston
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
145
11-50
119
51-200
43
201-500
6
501-1,000
4
1,001-5,000
3
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 323 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 “industrial hygiene monitoring equipment companies” 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 3,578 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 16, 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 “industrial hygiene monitoring equipment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial hygiene monitoring equipment companies are there based in the United States?

RevenueBase identified 323 company matches for industrial hygiene monitoring equipment companies 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?

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

Which city has the most industrial hygiene monitoring equipment companies?

Houston leads with 14 company records, followed by San Diego (6) and Pittsburgh (5).

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 3,578 professional contacts with verified work emails tracked across these 323 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 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 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.