Company lists · Data refreshed October 2026
Top 25 Continuous emissions monitoring systems (cems) suppliers based in the United States
RevenueBase identified 53 company matches for continuous emissions monitoring systems (cems) suppliers associated with the United States as of October 2026 and tracks 698 professional contacts across them, including 266 with verified work emails. Austin is the largest hub.
This list covers company matches for continuous emissions monitoring systems (cems) 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 24, 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.
The 25 largest continuous emissions monitoring systems (cems) suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 100 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 24, 2026 · View company records in RevenueBase | |||||
| 2 | 47 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 45 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 24, 2026 · View company records in RevenueBase | |||||
| 4 | 32 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 24, 2026 · View company records in RevenueBase | |||||
| 5 | 32 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 24, 2026 · View company records in RevenueBase | |||||
| 6 | 29 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 24, 2026 · View company records in RevenueBase | |||||
| 7 | 25 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 24, 2026 · View company records in RevenueBase | |||||
| 8 | 23 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 24, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “Welcome to California Analytical Instruments - the most trusted name in gas analysis.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 10 | 18 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 24, 2026 · View company records in RevenueBase | |||||
| 11 | 14 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 24, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “Precision German Engineering with Local US Application Support, Sales, Installation, and Service.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “At Pacific Standard Environmental (PSE), we provide CEMS field service and custom-engineered CEMS solutions for both compliance emissions monitoring and process measurements.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “EcoChem Analytics is a premier provider of gas analyzers and Continuous Emissions Monitoring Systems (CEMS) MC3 CEMS - Premier multicomponent CEMS for measuring low-level NOx…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “We deliver Environmental Reporting Solutions that help organizations simplify environmental data management and strengthen compliance confidence across complex reporting…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “BlueSky Resources provides actionable intelligence on emissions and air quality via sensors and public data ingested in our AirLogic analytics platform, enabling industrial…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Emisense develops next-generation emissions sensors, combining technical ceramics and advanced signal processing.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “DSG Solutions, LLC is a small environmental consulting firm cofounded by David Suess, Ph.D.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Automated Control Systems (ACS) is a technological leader in the Continuous Emissions Monitoring Business.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Custom CEMS Engineering and Integration •Complete, turnkey CEMS solutions •CEMS Custom Rentals •CEMS Maintenance and Support •CEMS Optimization and Data Assessments •CEMS Data…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “At Highmark Analytics, we sell and service industry tools for gas analysis.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Proem Technology provides the industry with thermoelectric sample conditioners and continuous emissions monitoring technology that are convenient, cost-effective, and most…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Auburn FilterSense solutions help prevent excess emissions and process problems by providing reliable low-level particulate monitoring, early warning leak detection, better…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “continuous emissions monitoring systems (cems) suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 53 continuous emissions monitoring systems (cems) suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 266 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Continuous emissions monitoring systems (cems) suppliers based in the United States at a glance
As of Oct 24, 2026Companies by employee count
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 53 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 emissions monitoring systems (cems) 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 266 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 24, 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 emissions monitoring systems (cems) suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many continuous emissions monitoring systems (cems) suppliers are there based in the United States?
RevenueBase identified 53 company matches for continuous emissions monitoring systems (cems) 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?
ESC Spectrum Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most continuous emissions monitoring systems (cems) suppliers?
Austin leads with 3 company records, followed by Beverly (2) and Englewood (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 266 professional contacts with verified work emails tracked across these 53 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 24, 2026.
Ready to reach these companies? Verified emails and direct dials for all 53 continuous emissions monitoring systems (cems) suppliers based in the United States. Start with a free account, no credit card.
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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.
More company lists
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- AI companies based in the United States
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- Real estate companies based in the United States
Company intelligence · public preview
Top 25 continuous emissions monitoring systems (cems) suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 53 matching company records for continuous emissions monitoring systems (cems) suppliers based in the United States, with 698 tracked contacts and 266 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 continuous emissions monitoring systems (cems) suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  ESC Spectrum Corporationescspectrum.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 100 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Sensors, INCsensors-inc.comHQ: Saline, MI, United StatesReported employees: 51-200 | Saline, MI, United States | 51-200 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  VIM Technologies INCvimtechnologies.comHQ: Glen Burnie, MD, United StatesReported employees: 11-50 | Glen Burnie, MD, United States | 11-50 | Exact match | 45 contacts → |
“VIM Technologies was founded in February 1992 by engineers with extensive software development experience for programmable logic controls and host computers.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Encino Environmental Services, LLCencinoenviron.comHQ: Katy, TX, United StatesReported employees: 51-200 | Katy, TX, United States | 51-200 | Exact match | 32 contacts → |
“Formed in 2010 and headquartered in Houston, Texas, Encino Environmental Services, LLC is an emissions testing, monitoring, and compliance support firm serving critical…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Amp-Cherokee Environmental Solutionsampcherokee.comHQ: Angier, NC, United StatesReported employees: 11-50 | Angier, NC, United States | 11-50 | Exact match | 32 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Apex Instrumentsapexinst.comHQ: Fuquay-varina, NC, United StatesReported employees: 11-50 | Fuquay-varina, NC, United States | 11-50 | Exact match | 29 contacts → |
“Apex Instruments was established in 1988 as an American-owned company with a worldwide impact.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ecotec Solutions, INCecotecco.comHQ: Colton, CA, United StatesReported employees: 51-200 | Colton, CA, United States | 51-200 | Exact match | 25 contacts → |
“ECOTEC specializes in the design and development of customized equipment and technology solutions for gas collection, transmission, and treatment systems.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Custom Instrumentation Services Corporation Ciscociscocems.com HQ: Englewood, CO, United StatesReported employees: 11-50 | Englewood, CO, United States | 11-50 | Exact match | 23 contacts → |
“Custom Instrumentation Services Corporation (CiSCO) provides complete high quality Continuous Emissions Monitoring Systems (CEMS) and Data Acquisition and Handling Systems…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CAI Envea Groupgasanalyzers.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 19 contacts → |
“Welcome to California Analytical Instruments - the most trusted name in gas analysis.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Trace Environmental Systems, INCtraceenv.comHQ: Sparta, NJ, United StatesReported employees: 11-50 | Sparta, NJ, United States | 11-50 | Exact match | 18 contacts → |
“Trace Environmental provides a fully EPA compliant suite of products and services for the continuous emissions monitoring market.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | STI Cemssticems.com HQ: Waldron, AR, United StatesReported employees: 11-50 | Waldron, AR, United States | 11-50 | Exact match | 14 contacts → |
“STI CEMS is a premier supplier of systems and services supporting the air emissions monitoring industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MRU Instrumentsmru-instruments.com HQ: Humble, TX, United StatesReported employees: 11-50 | Humble, TX, United States | 11-50 | Exact match | 12 contacts → |
“Precision German Engineering with Local US Application Support, Sales, Installation, and Service.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Pacific Standard Environmental, INCpacstandenv.com HQ: Huntington Beach, CA, United StatesReported employees: 11-50 | Huntington Beach, CA, United States | 11-50 | Exact match | 12 contacts → |
“At Pacific Standard Environmental (PSE), we provide CEMS field service and custom-engineered CEMS solutions for both compliance emissions monitoring and process measurements.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ecochem Analyticsecochem.biz HQ: League City, TX, United StatesReported employees: 11-50 | League City, TX, United States | 11-50 | Exact match | 11 contacts → |
“EcoChem Analytics is a premier provider of gas analyzers and Continuous Emissions Monitoring Systems (CEMS) MC3 CEMS - Premier multicomponent CEMS for measuring low-level NOx…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Contec Systems Industrial Corpcontecsystems.comHQ: Pottstown, PA, United StatesReported employees: 11-50 | Pottstown, PA, United States | 11-50 | Exact match | 8 contacts → |
“We deliver Environmental Reporting Solutions that help organizations simplify environmental data management and strengthen compliance confidence across complex reporting…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bluesky Resources, LLCblueskyresources.com HQ: Boulder, CO, United StatesReported employees: 1-10 | Boulder, CO, United States | 1-10 | Exact match | 6 contacts → |
“BlueSky Resources provides actionable intelligence on emissions and air quality via sensors and public data ingested in our AirLogic analytics platform, enabling industrial…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Emisenseemisense.com HQ: Ladera Ranch, CA, United StatesReported employees: 11-50 | Ladera Ranch, CA, United States | 11-50 | Exact match | 5 contacts → |
“Emisense develops next-generation emissions sensors, combining technical ceramics and advanced signal processing.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DSG Solutions, LLCdsgsol.com HQ: Gardner, MA, United StatesReported employees: 11-50 | Gardner, MA, United States | 11-50 | Exact match | 3 contacts → |
“DSG Solutions, LLC is a small environmental consulting firm cofounded by David Suess, Ph.D.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Automated Control Systemsacscems.com HQ: Dothan, AL, United StatesReported employees: 11-50 | Dothan, AL, United States | 11-50 | Exact match | 3 contacts → |
“Automated Control Systems (ACS) is a technological leader in the Continuous Emissions Monitoring Business.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cems Expertscems-experts.com HQ: Moorpark, CA, United StatesReported employees: 1-10 | Moorpark, CA, United States | 1-10 | Exact match | 3 contacts → |
“Custom CEMS Engineering and Integration •Complete, turnkey CEMS solutions •CEMS Custom Rentals •CEMS Maintenance and Support •CEMS Optimization and Data Assessments •CEMS Data…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Highmark Analyticshighmarkanalytics.com HQ: Hardwick, NJ, United StatesReported employees: 1-10 | Hardwick, NJ, United States | 1-10 | Exact match | 3 contacts → |
“At Highmark Analytics, we sell and service industry tools for gas analysis.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Brand Gausbrandgaus.com HQ: Pflugerville, TX, United StatesReported employees: 1-10 | Pflugerville, TX, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Proem Technology Companyproemtechnology.com HQ: Pennsburg, PA, United StatesReported employees: 1-10 | Pennsburg, PA, United States | 1-10 | Exact match | 2 contacts → |
“Proem Technology provides the industry with thermoelectric sample conditioners and continuous emissions monitoring technology that are convenient, cost-effective, and most…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Richmond Instruments & Systemsrisi1.com HQ: Clinton Twp, MI, United StatesReported employees: 11-50 | Clinton Twp, MI, United States | 11-50 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Auburn Filtersense, LLCauburnfiltersense.com HQ: Beverly, MA, United StatesReported employees: 11-50 | Beverly, MA, United States | 11-50 | Exact match | 1 contacts → |
“Auburn FilterSense solutions help prevent excess emissions and process problems by providing reliable low-level particulate monitoring, early warning leak detection, better…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 53 company matches
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Continuous emissions monitoring systems (cems) suppliers: dataset insights
October 24, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
53 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 53 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for continuous emissions monitoring systems (cems) suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many continuous emissions monitoring systems (cems) suppliers did RevenueBase find based in the United States?
The saved snapshot records 53 matching company records, 698 tracked contacts and 266 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 continuous emissions monitoring systems (cems) suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/continuous-emissions-monitoring-systems-cems-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 continuous emissions monitoring systems (cems) suppliers based in the United States
RevenueBase records 53 matching company records for continuous emissions monitoring systems (cems) suppliers based in the United States, with 698 tracked contacts and 266 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 continuous emissions monitoring systems (cems) suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | ESC Spectrum Corporationescspectrum.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 100 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sensors, INCsensors-inc.com HQ: Saline, MI, United StatesReported employees: 51-200 | Saline, MI, United States | 51-200 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | VIM Technologies INCvimtechnologies.com HQ: Glen Burnie, MD, United StatesReported employees: 11-50 | Glen Burnie, MD, United States | 11-50 | Exact match | 45 contacts → |
“VIM Technologies was founded in February 1992 by engineers with extensive software development experience for programmable logic controls and host computers.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Encino Environmental Services, LLCencinoenviron.com HQ: Katy, TX, United StatesReported employees: 51-200 | Katy, TX, United States | 51-200 | Exact match | 32 contacts → |
“Formed in 2010 and headquartered in Houston, Texas, Encino Environmental Services, LLC is an emissions testing, monitoring, and compliance support firm serving critical…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Amp-Cherokee Environmental Solutionsampcherokee.com HQ: Angier, NC, United StatesReported employees: 11-50 | Angier, NC, United States | 11-50 | Exact match | 32 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Apex Instrumentsapexinst.com HQ: Fuquay-varina, NC, United StatesReported employees: 11-50 | Fuquay-varina, NC, United States | 11-50 | Exact match | 29 contacts → |
“Apex Instruments was established in 1988 as an American-owned company with a worldwide impact.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ecotec Solutions, INCecotecco.com HQ: Colton, CA, United StatesReported employees: 51-200 | Colton, CA, United States | 51-200 | Exact match | 25 contacts → |
“ECOTEC specializes in the design and development of customized equipment and technology solutions for gas collection, transmission, and treatment systems.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Custom Instrumentation Services Corporation Ciscociscocems.com HQ: Englewood, CO, United StatesReported employees: 11-50 | Englewood, CO, United States | 11-50 | Exact match | 23 contacts → |
“Custom Instrumentation Services Corporation (CiSCO) provides complete high quality Continuous Emissions Monitoring Systems (CEMS) and Data Acquisition and Handling Systems…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CAI Envea Groupgasanalyzers.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 19 contacts → |
“Welcome to California Analytical Instruments - the most trusted name in gas analysis.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Trace Environmental Systems, INCtraceenv.com HQ: Sparta, NJ, United StatesReported employees: 11-50 | Sparta, NJ, United States | 11-50 | Exact match | 18 contacts → |
“Trace Environmental provides a fully EPA compliant suite of products and services for the continuous emissions monitoring market.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | STI Cemssticems.com HQ: Waldron, AR, United StatesReported employees: 11-50 | Waldron, AR, United States | 11-50 | Exact match | 14 contacts → |
“STI CEMS is a premier supplier of systems and services supporting the air emissions monitoring industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MRU Instrumentsmru-instruments.com HQ: Humble, TX, United StatesReported employees: 11-50 | Humble, TX, United States | 11-50 | Exact match | 12 contacts → |
“Precision German Engineering with Local US Application Support, Sales, Installation, and Service.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Pacific Standard Environmental, INCpacstandenv.com HQ: Huntington Beach, CA, United StatesReported employees: 11-50 | Huntington Beach, CA, United States | 11-50 | Exact match | 12 contacts → |
“At Pacific Standard Environmental (PSE), we provide CEMS field service and custom-engineered CEMS solutions for both compliance emissions monitoring and process measurements.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ecochem Analyticsecochem.biz HQ: League City, TX, United StatesReported employees: 11-50 | League City, TX, United States | 11-50 | Exact match | 11 contacts → |
“EcoChem Analytics is a premier provider of gas analyzers and Continuous Emissions Monitoring Systems (CEMS) MC3 CEMS - Premier multicomponent CEMS for measuring low-level NOx…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Contec Systems Industrial Corpcontecsystems.com HQ: Pottstown, PA, United StatesReported employees: 11-50 | Pottstown, PA, United States | 11-50 | Exact match | 8 contacts → |
“We deliver Environmental Reporting Solutions that help organizations simplify environmental data management and strengthen compliance confidence across complex reporting…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bluesky Resources, LLCblueskyresources.com HQ: Boulder, CO, United StatesReported employees: 1-10 | Boulder, CO, United States | 1-10 | Exact match | 6 contacts → |
“BlueSky Resources provides actionable intelligence on emissions and air quality via sensors and public data ingested in our AirLogic analytics platform, enabling industrial…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Emisenseemisense.com HQ: Ladera Ranch, CA, United StatesReported employees: 11-50 | Ladera Ranch, CA, United States | 11-50 | Exact match | 5 contacts → |
“Emisense develops next-generation emissions sensors, combining technical ceramics and advanced signal processing.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DSG Solutions, LLCdsgsol.com HQ: Gardner, MA, United StatesReported employees: 11-50 | Gardner, MA, United States | 11-50 | Exact match | 3 contacts → |
“DSG Solutions, LLC is a small environmental consulting firm cofounded by David Suess, Ph.D.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Automated Control Systemsacscems.com HQ: Dothan, AL, United StatesReported employees: 11-50 | Dothan, AL, United States | 11-50 | Exact match | 3 contacts → |
“Automated Control Systems (ACS) is a technological leader in the Continuous Emissions Monitoring Business.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cems Expertscems-experts.com HQ: Moorpark, CA, United StatesReported employees: 1-10 | Moorpark, CA, United States | 1-10 | Exact match | 3 contacts → |
“Custom CEMS Engineering and Integration •Complete, turnkey CEMS solutions •CEMS Custom Rentals •CEMS Maintenance and Support •CEMS Optimization and Data Assessments •CEMS Data…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Highmark Analyticshighmarkanalytics.com HQ: Hardwick, NJ, United StatesReported employees: 1-10 | Hardwick, NJ, United States | 1-10 | Exact match | 3 contacts → |
“At Highmark Analytics, we sell and service industry tools for gas analysis.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Brand Gausbrandgaus.com HQ: Pflugerville, TX, United StatesReported employees: 1-10 | Pflugerville, TX, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Proem Technology Companyproemtechnology.com HQ: Pennsburg, PA, United StatesReported employees: 1-10 | Pennsburg, PA, United States | 1-10 | Exact match | 2 contacts → |
“Proem Technology provides the industry with thermoelectric sample conditioners and continuous emissions monitoring technology that are convenient, cost-effective, and most…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Richmond Instruments & Systemsrisi1.com HQ: Clinton Twp, MI, United StatesReported employees: 11-50 | Clinton Twp, MI, United States | 11-50 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Auburn Filtersense, LLCauburnfiltersense.com HQ: Beverly, MA, United StatesReported employees: 11-50 | Beverly, MA, United States | 11-50 | Exact match | 1 contacts → |
“Auburn FilterSense solutions help prevent excess emissions and process problems by providing reliable low-level particulate monitoring, early warning leak detection, better…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Continuous emissions monitoring systems (cems) suppliers: dataset insights
October 24, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
53 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 53 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for continuous emissions monitoring systems (cems) suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many continuous emissions monitoring systems (cems) suppliers did RevenueBase find based in the United States?
The saved snapshot records 53 matching company records, 698 tracked contacts and 266 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 continuous emissions monitoring systems (cems) suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/continuous-emissions-monitoring-systems-cems-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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