Company lists · Data refreshed October 2026

Top 13 Industrial hygiene monitoring companies based in Houston, United States

RevenueBase identified 29 company matches for industrial hygiene monitoring companies associated with Houston, United States as of October 2026 and tracks 262 professional contacts across them, including 90 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for industrial hygiene monitoring companies associated with Houston, 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
29Companies
262Contacts tracked
90Verified emails
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The 13 largest industrial hygiene monitoring companies based in Houston, United States

Ranked by team size
Top 13 of 29 company matches for industrial hygiene monitoring companies based in Houston, 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 matchHouston, TX, United StatesHQ recorded Oct 16, 202651-20052 contacts →

Exact match

“A&B Environmental Services, Inc.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchHouston, TX, United StatesHQ recorded Oct 16, 202611-5021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 16, 202611-5020 contacts →

Exact match

“DGPS / Survey • Tool Tracking • Tool Decontamination/NORM License/Waste Disposal • Dig Locates • Abandoned Pipeline Recovery • Environmental Services • Pipe Sales • Project…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 16, 20261-1013 contacts →

Exact match

“Honesty Environmental Services has decades of experience providing Asbestos/Lead Based-Pain/Mold and Indoor Air Quality services to a variety of clients throughout the country…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 16, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 16, 20261-107 contacts →

Exact match

“AJAX RENTALS is the premier Environmental and Safety Rental Equipment company based in Texas.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 16, 20261-105 contacts →

Exact match

“We are an environmental consulting firm with headquarters in Houston.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 16, 202611-503 contacts →

Exact match

“JMAC GROUP, LLC, headquartered in Houston since 2014, provides Safety and Environmental services across Texas and beyond, delivering dependable solutions to keep teams safe…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 16, 20261-101 contacts →

Exact match

“Provide regulatory services aligned with permitting requirements, which, include monitoring, reporting, auditing, environmental implementation training, and procedure development…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 16, 20261-101 contacts →

Exact match

“JML's mission is to drive client excellence by using efficient industrial hygiene monitoring strategies and empower clients to make business decisions on industrial hygiene data…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 16, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 13 of 29 industrial hygiene monitoring companies based in Houston, United States

See the full list, filter by size, metro and specialty, and access 90 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial hygiene monitoring companies based in Houston, United States at a glance

As of Oct 16, 2026
34.4%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
9
51-200
1
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 29 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 Houston, United States whose business descriptions match “industrial hygiene monitoring 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 90 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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial hygiene monitoring companies are there based in Houston, United States?

RevenueBase identified 29 company matches for industrial hygiene monitoring companies associated with Houston, 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?

A&b Labs tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most industrial hygiene monitoring companies?

Houston leads the United States with 29 company records, followed by New York (18) and San Diego (13).

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 90 professional contacts with verified work emails tracked across these 29 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.