Company lists · Data refreshed October 2026
Top 25 Opacity monitors suppliers worldwide
RevenueBase identified 98 company matches for opacity monitors suppliers worldwide as of October 2026 and tracks 1,751 professional contacts across them, including 650 with verified work emails. Curitiba is the largest hub.
This list covers company matches for opacity monitors suppliers worldwide, 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 28, 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 opacity monitors suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 648 contacts → | ||||
Exact match “ENVEA: Elevating Standards.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 108 contacts → | ||||
Exact match “NETEL (INDIA) Limited, a part of Neterwala Group of Companies is one of the leading organizations in India in the field of Analytical Instruments, Environmental Instruments…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 3 | 82 contacts → | ||||
Exact match “Nevco Engineers Pvt.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 78 contacts → | ||||
Exact match “SERPRAM es una empresa líder de servicios medioambientales, especializada en el monitoreo de calidad de aire, medición de fuentes fijas y certificación de sistemas CEMS.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “Experts in air quality, odour and emission monitoring.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 39 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 35 contacts → | ||||
Exact match “Kunak designs and manufactures environmental monitoring systems to measure gases, particles, and odours with reliable and traceable data.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 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 28, 2026 · View company records in RevenueBase | |||||
| 9 | 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 28, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “Levego specialise in the consulting and provision of stationary source, air quality and process off-gas measurements and supply of specialised source monitoring equipment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “Protea Ltd delivers customer focused solutions for process, emission and environmental monitoring applications.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “Instrumatic is a Danish family business established 1977 providing environmental services to the Scandinavian markets as well as CEMS / Marine CEMS globally based on own product…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 17 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 28, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “Part of Durag Group, Durag France offers a comprehensive suite of monitoring solutions for scientists and various industries, such as Hydrogen, CO2 capture & transport, Power…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 15 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 28, 2026 · View company records in RevenueBase | |||||
| 16 | 15 contacts → | ||||
Exact match “Air Clear is an air pollution control equipment company based in Northern Maryland.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 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 28, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “CEM SOLUTIONS (UK) LTD Specialists in Continuous Industrial Emissions Monitoring.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “Ambilabs® manufactures turn-key scientific field monitoring laboratories and the associated infrastructure installed inside each monitoring laboratory.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “SAXON Junkalor is a privatly owned high-tech company with many years of experience in the field of metrology.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “Signal is a manufacturer of emissions monitoring equipment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “Here's the updated version- METLAB Miljö was founded in 1965 and is Sweden's first company specializing in air emissions measurement.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “STA S.r.l.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “AMS Analitica is a leading company in the field of air monitoring in working environments, external environments and for the control of industrial emissions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “About Us: Sailbri Cooper Incorporated (SCI) is a global leader in environmental technology, specializing in real-time monitoring solutions for metals and carbon.” Recorded in the RevenueBase company graph · Oct 28, 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 “opacity monitors 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 98 opacity monitors suppliers worldwide
See the full list, filter by size, metro and specialty, and access 650 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Opacity monitors suppliers worldwide at a glance
As of Oct 28, 2026Companies by employee count
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 98 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 worldwide whose business descriptions match “opacity monitors 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. 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 650 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 28, 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 “opacity monitors suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many opacity monitors suppliers are there worldwide?
RevenueBase identified 98 company matches for opacity monitors suppliers worldwide 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?
Envea Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most opacity monitors suppliers?
Curitiba leads with 2 company records, followed by Delhi (2) and Mumbai (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 650 professional contacts with verified work emails tracked across these 98 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 98 opacity monitors suppliers worldwide. 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.
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Company intelligence · public preview
Top 25 opacity monitors suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 98 matching company records for opacity monitors suppliers worldwide, with 1,751 tracked contacts and 650 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 28, 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 opacity monitors suppliers worldwide
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 |  Envea Globalenvea.globalHQ: Poissy, FranceReported employees: 501-1,000 | Poissy, France | 501-1,000 | Exact match | 648 contacts → |
“ENVEA: Elevating Standards.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Netel India Pvt.Ltdnetel-india.comHQ: Rabale-new Mumbai, IndiaReported employees: 51-200 | Rabale-new Mumbai, India | 51-200 | Exact match | 108 contacts → |
“NETEL (INDIA) Limited, a part of Neterwala Group of Companies is one of the leading organizations in India in the field of Analytical Instruments, Environmental Instruments…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Nevco Engineers Pvt. LTDnevcoengineers.comHQ: Delhi, IndiaReported employees: 51-200 | Delhi, India | 51-200 | Exact match | 82 contacts → |
“Nevco Engineers Pvt.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Serpram Chileserpram.clHQ: Ñuñoa, ChileReported employees: 51-200 | Ñuñoa, Chile | 51-200 | Exact match | 78 contacts → |
“SERPRAM es una empresa líder de servicios medioambientales, especializada en el monitoreo de calidad de aire, medición de fuentes fijas y certificación de sistemas CEMS.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ektimo PTY LTDektimo.com.auHQ: Mitcham, AustraliaReported employees: 51-200 | Mitcham, Australia | 51-200 | Exact match | 75 contacts → |
“Experts in air quality, odour and emission monitoring.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Codel International LTDcodel.co.ukHQ: Bakewell, United KingdomReported employees: 51-200 | Bakewell, United Kingdom | 51-200 | Exact match | 39 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  KUNAKkunakair.comHQ: Orkoien, SpainReported employees: 11-50 | Orkoien, Spain | 11-50 | Exact match | 35 contacts → |
“Kunak designs and manufactures environmental monitoring systems to measure gases, particles, and odours with reliable and traceable data.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Levegolevego.co.zaHQ: Modderfontein, South AfricaReported employees: 11-50 | Modderfontein, South Africa | 11-50 | Exact match | 21 contacts → |
“Levego specialise in the consulting and provision of stationary source, air quality and process off-gas measurements and supply of specialised source monitoring equipment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Protea LTDprotea.ltd.ukHQ: Middlewich, United KingdomReported employees: 11-50 | Middlewich, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Protea Ltd delivers customer focused solutions for process, emission and environmental monitoring applications.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Instrumatic EMI A S & Instrumatic Marine A Sinstrumatic.comHQ: Ry, DenmarkReported employees: 1-10 | Ry, Denmark | 1-10 | Exact match | 19 contacts → |
“Instrumatic is a Danish family business established 1977 providing environmental services to the Scandinavian markets as well as CEMS / Marine CEMS globally based on own product…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  American Ecotechamericanecotech.comHQ: Warren, RI, United StatesReported employees: 11-50 | Warren, RI, United States | 11-50 | Exact match | 17 contacts → |
“American Ecotech specializes in the design, installation, operation and maintenance of air pollution monitoring instrumentation and systems.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Durag Francedurag.comHQ: Rueil-malmaison, FranceReported employees: 11-50 | Rueil-malmaison, France | 11-50 | Exact match | 15 contacts → |
“Part of Durag Group, Durag France offers a comprehensive suite of monitoring solutions for scientists and various industries, such as Hydrogen, CO2 capture & transport, Power…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ARI Environmental, INCarienv.comHQ: Wauconda, IL, United StatesReported employees: 51-200 | Wauconda, IL, United States | 51-200 | Exact match | 15 contacts → |
“Established in 1983, ARI Environmental, Inc.(ARI) is a leading environmental air emissions testing company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  AIR Clearairclear.netHQ: Elkton, MD, United StatesReported employees: 11-50 | Elkton, MD, United States | 11-50 | Exact match | 15 contacts → |
“Air Clear is an air pollution control equipment company based in Northern Maryland.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  CEM Solutions UK LTDcemsolutions.co.ukHQ: Darley Dale, United KingdomReported employees: 11-50 | Darley Dale, United Kingdom | 11-50 | Exact match | 13 contacts → |
“CEM SOLUTIONS (UK) LTD Specialists in Continuous Industrial Emissions Monitoring.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ambilabs LLCambilabs.comHQ: Warren, RI, United StatesReported employees: 11-50 | Warren, RI, United States | 11-50 | Exact match | 12 contacts → |
“Ambilabs® manufactures turn-key scientific field monitoring laboratories and the associated infrastructure installed inside each monitoring laboratory.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Saxon Junkalor Gmbhsaxon-junkalor.deHQ: Dessau, GermanyReported employees: 11-50 | Dessau, Germany | 11-50 | Exact match | 12 contacts → |
“SAXON Junkalor is a privatly owned high-tech company with many years of experience in the field of metrology.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Signal Group LTDsignal-group.com HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Signal is a manufacturer of emissions monitoring equipment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Metlab Miljö ABmetlab.se HQ: Enköping, SwedenReported employees: 11-50 | Enköping, Sweden | 11-50 | Exact match | 10 contacts → |
“Here's the updated version- METLAB Miljö was founded in 1965 and is Sweden's first company specializing in air emissions measurement.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | STA Servizi Tecnologici Ambientalista-srl.it HQ: Sedriano, ItalyReported employees: 11-50 | Sedriano, Italy | 11-50 | Exact match | 9 contacts → |
“STA S.r.l.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  AMS Analitica SRLamsanalitica.comHQ: Pesaro, ItalyReported employees: 1-10 | Pesaro, Italy | 1-10 | Exact match | 8 contacts → |
“AMS Analitica is a leading company in the field of air monitoring in working environments, external environments and for the control of industrial emissions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sailbri Cooper, INCsci-monitoring.com HQ: Tigard, OR, United StatesReported employees: 11-50 | Tigard, OR, United States | 11-50 | Exact match | 7 contacts → |
“About Us: Sailbri Cooper Incorporated (SCI) is a global leader in environmental technology, specializing in real-time monitoring solutions for metals and carbon.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Opacity monitors suppliers: dataset insights
October 28, 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
98 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 98 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 28, 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 opacity monitors 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 opacity monitors suppliers did RevenueBase find worldwide?
The saved snapshot records 98 matching company records, 1,751 tracked contacts and 650 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 28, 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.
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Cite this list
RevenueBase Data Team. Top 25 opacity monitors suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/opacity-monitors-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 opacity monitors suppliers worldwide
RevenueBase records 98 matching company records for opacity monitors suppliers worldwide, with 1,751 tracked contacts and 650 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 28, 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 opacity monitors suppliers worldwide
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 | Envea Globalenvea.global HQ: Poissy, FranceReported employees: 501-1,000 | Poissy, France | 501-1,000 | Exact match | 648 contacts → |
“ENVEA: Elevating Standards.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Netel India Pvt.Ltdnetel-india.com HQ: Rabale-new Mumbai, IndiaReported employees: 51-200 | Rabale-new Mumbai, India | 51-200 | Exact match | 108 contacts → |
“NETEL (INDIA) Limited, a part of Neterwala Group of Companies is one of the leading organizations in India in the field of Analytical Instruments, Environmental Instruments…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Nevco Engineers Pvt. LTDnevcoengineers.com HQ: Delhi, IndiaReported employees: 51-200 | Delhi, India | 51-200 | Exact match | 82 contacts → |
“Nevco Engineers Pvt.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Serpram Chileserpram.cl HQ: Ñuñoa, ChileReported employees: 51-200 | Ñuñoa, Chile | 51-200 | Exact match | 78 contacts → |
“SERPRAM es una empresa líder de servicios medioambientales, especializada en el monitoreo de calidad de aire, medición de fuentes fijas y certificación de sistemas CEMS.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ektimo PTY LTDektimo.com.au HQ: Mitcham, AustraliaReported employees: 51-200 | Mitcham, Australia | 51-200 | Exact match | 75 contacts → |
“Experts in air quality, odour and emission monitoring.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Codel International LTDcodel.co.uk HQ: Bakewell, United KingdomReported employees: 51-200 | Bakewell, United Kingdom | 51-200 | Exact match | 39 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | KUNAKkunakair.com HQ: Orkoien, SpainReported employees: 11-50 | Orkoien, Spain | 11-50 | Exact match | 35 contacts → |
“Kunak designs and manufactures environmental monitoring systems to measure gases, particles, and odours with reliable and traceable data.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Levegolevego.co.za HQ: Modderfontein, South AfricaReported employees: 11-50 | Modderfontein, South Africa | 11-50 | Exact match | 21 contacts → |
“Levego specialise in the consulting and provision of stationary source, air quality and process off-gas measurements and supply of specialised source monitoring equipment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Protea LTDprotea.ltd.uk HQ: Middlewich, United KingdomReported employees: 11-50 | Middlewich, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Protea Ltd delivers customer focused solutions for process, emission and environmental monitoring applications.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Instrumatic EMI A S & Instrumatic Marine A Sinstrumatic.com HQ: Ry, DenmarkReported employees: 1-10 | Ry, Denmark | 1-10 | Exact match | 19 contacts → |
“Instrumatic is a Danish family business established 1977 providing environmental services to the Scandinavian markets as well as CEMS / Marine CEMS globally based on own product…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | American Ecotechamericanecotech.com HQ: Warren, RI, United StatesReported employees: 11-50 | Warren, RI, United States | 11-50 | Exact match | 17 contacts → |
“American Ecotech specializes in the design, installation, operation and maintenance of air pollution monitoring instrumentation and systems.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Durag Francedurag.com HQ: Rueil-malmaison, FranceReported employees: 11-50 | Rueil-malmaison, France | 11-50 | Exact match | 15 contacts → |
“Part of Durag Group, Durag France offers a comprehensive suite of monitoring solutions for scientists and various industries, such as Hydrogen, CO2 capture & transport, Power…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ARI Environmental, INCarienv.com HQ: Wauconda, IL, United StatesReported employees: 51-200 | Wauconda, IL, United States | 51-200 | Exact match | 15 contacts → |
“Established in 1983, ARI Environmental, Inc.(ARI) is a leading environmental air emissions testing company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AIR Clearairclear.net HQ: Elkton, MD, United StatesReported employees: 11-50 | Elkton, MD, United States | 11-50 | Exact match | 15 contacts → |
“Air Clear is an air pollution control equipment company based in Northern Maryland.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CEM Solutions UK LTDcemsolutions.co.uk HQ: Darley Dale, United KingdomReported employees: 11-50 | Darley Dale, United Kingdom | 11-50 | Exact match | 13 contacts → |
“CEM SOLUTIONS (UK) LTD Specialists in Continuous Industrial Emissions Monitoring.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ambilabs LLCambilabs.com HQ: Warren, RI, United StatesReported employees: 11-50 | Warren, RI, United States | 11-50 | Exact match | 12 contacts → |
“Ambilabs® manufactures turn-key scientific field monitoring laboratories and the associated infrastructure installed inside each monitoring laboratory.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Saxon Junkalor Gmbhsaxon-junkalor.de HQ: Dessau, GermanyReported employees: 11-50 | Dessau, Germany | 11-50 | Exact match | 12 contacts → |
“SAXON Junkalor is a privatly owned high-tech company with many years of experience in the field of metrology.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Signal Group LTDsignal-group.com HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Signal is a manufacturer of emissions monitoring equipment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Metlab Miljö ABmetlab.se HQ: Enköping, SwedenReported employees: 11-50 | Enköping, Sweden | 11-50 | Exact match | 10 contacts → |
“Here's the updated version- METLAB Miljö was founded in 1965 and is Sweden's first company specializing in air emissions measurement.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | STA Servizi Tecnologici Ambientalista-srl.it HQ: Sedriano, ItalyReported employees: 11-50 | Sedriano, Italy | 11-50 | Exact match | 9 contacts → |
“STA S.r.l.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AMS Analitica SRLamsanalitica.com HQ: Pesaro, ItalyReported employees: 1-10 | Pesaro, Italy | 1-10 | Exact match | 8 contacts → |
“AMS Analitica is a leading company in the field of air monitoring in working environments, external environments and for the control of industrial emissions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sailbri Cooper, INCsci-monitoring.com HQ: Tigard, OR, United StatesReported employees: 11-50 | Tigard, OR, United States | 11-50 | Exact match | 7 contacts → |
“About Us: Sailbri Cooper Incorporated (SCI) is a global leader in environmental technology, specializing in real-time monitoring solutions for metals and carbon.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Opacity monitors suppliers: dataset insights
October 28, 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
98 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 98 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 28, 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 opacity monitors 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 opacity monitors suppliers did RevenueBase find worldwide?
The saved snapshot records 98 matching company records, 1,751 tracked contacts and 650 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 28, 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.
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Cite this list
RevenueBase Data Team. Top 25 opacity monitors suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/opacity-monitors-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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