Company lists · Data refreshed October 2026

Top 25 Continuous emission monitoring (cem) environmental software suppliers based in the United States

RevenueBase identified 103 company matches for continuous emission monitoring (cem) environmental software suppliers associated with the United States as of October 2026 and tracks 2,105 professional contacts across them, including 891 with verified work emails. Houston is the largest hub.

This list covers company matches for continuous emission monitoring (cem) environmental software 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 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 Oct 19, 2026 How this list was built
103Companies
2,105Contacts tracked
891Verified emails
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The 25 largest continuous emission monitoring (cem) environmental software suppliers based in the United States

Ranked by team size
Top 25 of 103 company matches for continuous emission monitoring (cem) environmental software suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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 matchSanta Clara, CA, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 19, 2026501-1,000316 contacts →

Exact match

“With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchSeabrook, TX, United StatesHQ recorded Oct 19, 2026201-500155 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Oct 19, 202651-200100 contacts →

Exact match

“Based in Austin, Texas, ESC Spectrum, an Alliance Technical Group company, is a leading provider of products and services for customers in a variety of industries, from Electric…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchMountain View, CA, United StatesHQ recorded Oct 19, 202651-20099 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 · Oct 19, 2026 · View company records in RevenueBase
6Exact matchSolon, OH, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
7Exact matchSaline, MI, United StatesHQ recorded Oct 19, 202651-20047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchGlen Burnie, MD, United StatesHQ recorded Oct 19, 202611-5045 contacts →

Exact match

“VIM Technologies was founded in February 1992 by engineers with extensive software development experience for programmable logic controls and host computers.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchHelena, MT, United StatesHQ recorded Oct 19, 202611-5039 contacts →

Exact match

“Air Quality and Environmental Consulting Bison Engineering, Inc.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchKaty, TX, United StatesHQ recorded Oct 19, 202651-20032 contacts →

Exact match

“Formed in 2010 and headquartered in Houston, Texas, Encino Environmental Services, LLC is an emissions testing, monitoring, and compliance support firm serving critical…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchAngier, NC, United StatesHQ recorded Oct 19, 202611-5032 contacts →

Exact match

“30+ YEARS OF PROVEN RESULTS AMP-Cherokee offers environmental compliance and process performance solutions for air quality and emissions monitoring with our turnkey CEMS, FTIR…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchWilmington, DE, United StatesHQ recorded Oct 19, 202651-20031 contacts →

Exact match

“Airvoice is an expert in air quality monitoring and modelling of air pollution and dispersion modelling.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchFuquay-varina, NC, United StatesHQ recorded Oct 19, 202611-5029 contacts →

Exact match

“Apex Instruments was established in 1988 as an American-owned company with a worldwide impact.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchColton, CA, United StatesHQ recorded Oct 19, 202651-20025 contacts →

Exact match

“ECOTEC specializes in the design and development of customized equipment and technology solutions for gas collection, transmission, and treatment systems.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchEnglewood, CO, United StatesHQ recorded Oct 19, 202611-5023 contacts →

Exact match

“Custom Instrumentation Services Corporation (CiSCO) provides complete high quality Continuous Emissions Monitoring Systems (CEMS) and Data Acquisition and Handling Systems…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchCarrollton, TX, United StatesHQ recorded Oct 19, 202611-5022 contacts →

Exact match

“BAIR IS NOW OFFERING LDAR SERVICES!”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202611-5020 contacts →

Exact match

“Environmental software for industrial facilities.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchOrange, CA, United StatesHQ recorded Oct 19, 202651-20019 contacts →

Exact match

“Welcome to California Analytical Instruments - the most trusted name in gas analysis.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchSparta, NJ, United StatesHQ recorded Oct 19, 202611-5018 contacts →

Exact match

“Trace Environmental provides a fully EPA compliant suite of products and services for the continuous emissions monitoring market.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchHayward, CA, United StatesHQ recorded Oct 19, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchWarren, RI, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
22Exact matchFairborn, OH, United StatesHQ recorded Oct 19, 202611-5015 contacts →

Exact match

“Located in the Lower Great Lakes and Ohio River Valley region, Fondriest Environmental sells and services environmental monitoring products from industry-leading suppliers such as…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchWauconda, IL, United StatesHQ recorded Oct 19, 202651-20015 contacts →

Exact match

“Established in 1983, ARI Environmental, Inc.(ARI) is a leading environmental air emissions testing company.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchWaldron, AR, United StatesHQ recorded Oct 19, 202611-5014 contacts →

Exact match

“STI CEMS is a premier supplier of systems and services supporting the air emissions monitoring industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchCincinnati, OH, United StatesHQ recorded Oct 19, 202611-5013 contacts →

Exact match

“Consolidated Analytical Systems (CAS) provides expertise in the design, manufacturing, integration and support of Monitoring Systems for use in ambient air, industrial fence line…”

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

Showing 25 of 103 continuous emission monitoring (cem) environmental software suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 891 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Continuous emission monitoring (cem) environmental software suppliers based in the United States at a glance

As of Oct 19, 2026
42.3%Verified-email coverage
20.4Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Houston
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
44
51-200
17
201-500
3
501-1,000
2
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 103 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 “continuous emission monitoring (cem) environmental software 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 891 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 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 “continuous emission monitoring (cem) environmental software suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many continuous emission monitoring (cem) environmental software suppliers are there based in the United States?

RevenueBase identified 103 company matches for continuous emission monitoring (cem) environmental software 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?

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

Which city has the most continuous emission monitoring (cem) environmental software suppliers?

Houston leads with 4 company records, followed by Austin (3) and Beverly (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 891 professional contacts with verified work emails tracked across these 103 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 19, 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.