Company lists · Data refreshed September 2026

Top 25 Environmental monitoring systems based in the United States

RevenueBase identified 295 company matches for environmental monitoring systems associated with the United States as of September 2026 and tracks 6,065 professional contacts across them, including 2,637 with verified work emails. Houston is the largest hub.

This list covers company matches for environmental monitoring systems 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 September 19, 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 Sep 19, 2026 How this list was built
295Companies
6,065Contacts tracked
2,637Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest environmental monitoring systems based in the United States

Ranked by team size
Top 25 of 295 company matches for environmental monitoring systems based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchLakewood, CO, United StatesHQ recorded Sep 19, 2026501-1,000323 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 · Sep 19, 2026 · View company records in RevenueBase
2Exact matchSanta Clara, CA, United StatesHQ recorded Sep 19, 2026201-500297 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 · Sep 19, 2026 · View company records in RevenueBase
3Exact matchSterling, VA, United StatesHQ recorded Sep 19, 2026201-500231 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 · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAddison, IL, United StatesHQ recorded Sep 19, 202651-200223 contacts →

Exact match

“Since 1923, the Dickson Company has helped numerous organizations monitor their most sensitive environments.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchTrenton, NJ, United StatesHQ recorded Sep 19, 202651-200210 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 · Sep 19, 2026 · View company records in RevenueBase
6Exact matchYellow Springs, OH, United StatesHQ recorded Sep 19, 2026201-500194 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 · Sep 19, 2026 · View company records in RevenueBase
7Exact matchFairfax, VA, United StatesHQ recorded Sep 19, 202651-200192 contacts →

Exact match

“Plateau Grp provides innovative and agile IT solutions to customer challenges.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchWhite City, OR, United StatesHQ recorded Sep 19, 2026201-500175 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchFort Collins, CO, United StatesHQ recorded Sep 19, 2026201-500170 contacts →

Exact match

“In-Situ simplifies water monitoring for surface water, coastal, groundwater, aquaculture, drinking water and wastewater applications with reliable, low-maintenance instrumentation…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchPensacola, FL, United StatesHQ recorded Sep 19, 202651-200168 contacts →

Exact match

“EarthSoft is the recognized leader in providing environmental and geotechnical data management and decision support systems for industrial organizations, government agencies…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchPullman, WA, United StatesHQ recorded Sep 19, 2026201-500164 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 · Sep 19, 2026 · View company records in RevenueBase
12Exact matchGermantown, MD, United StatesHQ recorded Sep 19, 2026201-500157 contacts →

Exact match

“AEM (https://aem.eco) is combining global technology leaders to empower communities and organizations to survive and thrive in the face of escalating environment risks.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchLincoln, NE, United StatesHQ recorded Sep 19, 2026201-500136 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchMountain View, CA, United StatesHQ recorded Sep 19, 202651-20095 contacts →

Exact match

“Locus Technologies is the only scientist-driven software company at the nexus of analytical and field data management, Environmental, Health, and Safety (EHS) compliance, and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchBillerica, MA, United StatesHQ recorded Sep 19, 202651-20092 contacts →

Exact match

“Aerodyne Research, Inc.(ARI) provides research and development (R&D) services and advanced sensor and software products to industrial, academic and government customers addressing…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchBourne, MA, United StatesHQ recorded Sep 19, 202651-20085 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 · Sep 19, 2026 · View company records in RevenueBase
17Exact matchDenver, CO, United StatesHQ recorded Sep 19, 202651-20083 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchPetaluma, CA, United StatesHQ recorded Sep 19, 202651-20075 contacts →

Exact match

“Sonoma Technology is now Spheros Environmental.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchFairfax, VA, United StatesHQ recorded Sep 19, 2026201-50072 contacts →

Exact match

“Riverside has been acquired by Consolidated Safety Services Incorporated, please visit us at Riverside is an internationally recognized engineering, science, and information…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchDexter, MI, United StatesHQ recorded Sep 19, 202651-20071 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchSan Jose, CA, United StatesHQ recorded Sep 19, 202651-20063 contacts →

Exact match

“Blaine Tech Services performs environmental sampling and related field services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchSparks, NV, United StatesHQ recorded Sep 19, 202651-20061 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 · Sep 19, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 202651-20057 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 · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMequon, WI, United StatesHQ recorded Sep 19, 202651-20056 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 · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSaline, MI, United StatesHQ recorded Sep 19, 202651-20052 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 295 environmental monitoring systems based in the United States

See the full list, filter by size, metro and specialty, and access 2,637 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Environmental monitoring systems based in the United States at a glance

As of Sep 19, 2026
43.5%Verified-email coverage
20.6Average contacts per company
11-50Median size (employees)
2.4%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
119
11-50
123
51-200
32
201-500
14
501-1,000
2
1,001-5,000
3
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 295 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 “environmental monitoring systems” 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 2,637 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 September 19, 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 “environmental monitoring systems”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental monitoring systems are there based in the United States?

RevenueBase identified 295 company matches for environmental monitoring systems associated with the United States as of September 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?

Mesa Laboratories, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental monitoring systems?

Houston leads with 7 company records, followed by San Diego (7) and San Francisco (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 2,637 professional contacts with verified work emails tracked across these 295 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 September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 295 environmental monitoring systems 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.