Company lists · Data refreshed October 2026
Top 25 Portable emissions measurement systems (pems) testing services worldwide
RevenueBase identified 106 company matches for portable emissions measurement systems (pems) testing services worldwide as of October 2026 and tracks 995 professional contacts across them, including 371 with verified work emails. The United States is the largest market and Austin the largest hub.
This list covers company matches for portable emissions measurement systems (pems) testing services 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 29, 2026. Country and city lists for portable emissions measurement systems (pems) testing services follow the table.
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 portable emissions measurement systems (pems) testing services worldwide
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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 72 contacts → | ||||
Exact match “Since 1963, Kane International Ltd has been in Welwyn Garden City, Hertfordshire, and has a long history and broad experience designing and manufacturing portable test equipment.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 3 | 39 contacts → | ||||
Exact match “Erthwrks provides air testing services for industry.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 4 | 38 contacts → | ||||
Exact match “Excel Engineering is a highly qualified and certified provider of testing services.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 5 | 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 29, 2026 · View company records in RevenueBase | |||||
| 6 | 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 29, 2026 · View company records in RevenueBase | |||||
| 7 | 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 29, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “BAIR IS NOW OFFERING LDAR SERVICES!” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “Napro Eletrônica Industrial, Fera em Tecnologia.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 10 | 22 contacts → | ||||
Exact match “Grace Consulting Inc.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 11 | 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 29, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 13 | 16 contacts → | ||||
Exact match “As part of Spartan Controls, Signet strengthens emissions testing and reliability services by combining unbiased gas skid maintenance recommendations, expert equipment guidance…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “Air Tox strives to assist clients in maintaining compliance and meeting operational goals by offering cost-effective CEMS and emission testing solutions.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “ILEMA Miljöanalys är ett mät- och analysföretag som specialiserat sig på mätning och analys av luftemissioner.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 16 | 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 29, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Oasis Emission Consultants, Inc, was established based on the the need for an automated and reliable engine emission testing service.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “We are emissions compliance professionals who specialize in communications-driven emissions testing to help our partners in the oil & gas industries achieve their compliance goals.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “Ecoxy is a leading provider of accredited emissions measurement, independent verification and climate advisory services for the maritime, offshore and onshore industries.” Recorded in the RevenueBase company graph · Oct 29, 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 29, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “3DATX Corporation is a Buffalo, NY based company that manufactures next generation emissions measurement technologies for the transportation and power generation markets.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 22 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 23 | 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 29, 2026 · View company records in RevenueBase | |||||
| 24 | 10 contacts → | ||||
Exact match “World leader in vehical Fitness test lane Equipment” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “ESW America is a leading independent emissions testing company based in Montgomeryville, PA.” Recorded in the RevenueBase company graph · Oct 29, 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 “portable emissions measurement systems (pems) testing services”. 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 106 portable emissions measurement systems (pems) testing services worldwide
See the full list, filter by size, metro and specialty, and access 371 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Portable emissions measurement systems (pems) testing services worldwide at a glance
As of Oct 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for portable emissions measurement systems (pems) testing services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “portable emissions measurement systems (pems) testing services” 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 371 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 29, 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.
Portable emissions measurement systems (pems) testing services by location
1 lists · largest firstEvery Portable emissions measurement systems (pems) testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “portable emissions measurement systems (pems) testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many portable emissions measurement systems (pems) testing services are there worldwide?
RevenueBase identified 106 company matches for portable emissions measurement systems (pems) testing services 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?
ESC Spectrum Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most portable emissions measurement systems (pems) testing services?
The United States leads with 52 companies. Every portable emissions measurement systems (pems) testing services list by country and city is linked on this page.
Which city has the most portable emissions measurement systems (pems) testing services?
Austin leads with 2 company records, followed by Buffalo (2) and Durham (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 371 professional contacts with verified work emails tracked across these 106 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 106 portable emissions measurement systems (pems) testing services 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.
More company lists
Company intelligence · public preview
Top 25 portable emissions measurement systems (pems) testing services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 106 matching company records for portable emissions measurement systems (pems) testing services worldwide, with 995 tracked contacts and 371 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 29, 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 portable emissions measurement systems (pems) testing services 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 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kane International Limitedkane.co.ukHQ: Welwyn Garden City, United KingdomReported employees: 51-200 | Welwyn Garden City, United Kingdom | 51-200 | Exact match | 72 contacts → |
“Since 1963, Kane International Ltd has been in Welwyn Garden City, Hertfordshire, and has a long history and broad experience designing and manufacturing portable test equipment.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Erthwrks, LLCerthwrks.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 39 contacts → |
“Erthwrks provides air testing services for industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Excel Engineeringexcelengineering.org HQ: Diagonal, IA, United StatesReported employees: 51-200 | Diagonal, IA, United States | 51-200 | Exact match | 38 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BAIRthebair.comHQ: Carrollton, TX, United StatesReported employees: 11-50 | Carrollton, TX, United States | 11-50 | Exact match | 22 contacts → |
“BAIR IS NOW OFFERING LDAR SERVICES!” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Napro Eletrônica Industrialnapro.com.brHQ: São Bernardo Do Campo, BrazilReported employees: 51-200 | São Bernardo Do Campo, Brazil | 51-200 | Exact match | 22 contacts → |
“Napro Eletrônica Industrial, Fera em Tecnologia.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Grace Consulting, INCgcitest.com HQ: Wellington, OH, United StatesReported employees: 51-200 | Wellington, OH, United States | 51-200 | Exact match | 22 contacts → |
“Grace Consulting Inc.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Blue SKY Environmental, INCblueskyenvironmental.comHQ: Hayward, CA, United StatesReported employees: 11-50 | Hayward, CA, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Signet Monitoring & Analysissignetma.comHQ: Red Deer, AB, CanadaReported employees: 11-50 | Red Deer, AB, Canada | 11-50 | Exact match | 16 contacts → |
“As part of Spartan Controls, Signet strengthens emissions testing and reliability services by combining unbiased gas skid maintenance recommendations, expert equipment guidance…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AIR TOX Environmentalairtoxenviro.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 15 contacts → |
“Air Tox strives to assist clients in maintaining compliance and meeting operational goals by offering cost-effective CEMS and emission testing solutions.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ilema Miljöanalys ABilema.seHQ: Linköping, SwedenReported employees: 11-50 | Linköping, Sweden | 11-50 | Exact match | 15 contacts → |
“ILEMA Miljöanalys är ett mät- och analysföretag som specialiserat sig på mätning och analys av luftemissioner.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Oasis Emission Consultants INCoasisemission.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 14 contacts → |
“Oasis Emission Consultants, Inc, was established based on the the need for an automated and reliable engine emission testing service.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Slipstreamslipstreamtesting.com HQ: Sheridan, WY, United StatesReported employees: 11-50 | Sheridan, WY, United States | 11-50 | Exact match | 13 contacts → |
“We are emissions compliance professionals who specialize in communications-driven emissions testing to help our partners in the oil & gas industries achieve their compliance goals.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ecoxy ASecoxy.noHQ: Molde, NorwayReported employees: 1-10 | Molde, Norway | 1-10 | Exact match | 13 contacts → |
“Ecoxy is a leading provider of accredited emissions measurement, independent verification and climate advisory services for the maritime, offshore and onshore industries.” Recorded description excerpt · October 29, 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  3datx Corporation3datx.comHQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 12 contacts → |
“3DATX Corporation is a Buffalo, NY based company that manufactures next generation emissions measurement technologies for the transportation and power generation markets.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Catalyst AIR Management, INCcatalystair.com HQ: Knoxville, TN, United StatesReported employees: 11-50 | Knoxville, TN, United States | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vinitecvinitec.in HQ: Gurgaon, IndiaReported employees: 11-50 | Gurgaon, India | 11-50 | Exact match | 10 contacts → |
“World leader in vehical Fitness test lane Equipment” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ESW Americaeswamerica.com HQ: Montgomeryville, PA, United StatesReported employees: 11-50 | Montgomeryville, PA, United States | 11-50 | Exact match | 8 contacts → |
“ESW America is a leading independent emissions testing company based in Montgomeryville, PA.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 106 company matches
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Portable emissions measurement systems (pems) testing services: dataset insights
October 29, 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
106 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 106 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 29, 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 ↗
Portable emissions measurement systems (pems) testing services by location
1 lists · largest firstEvery Portable emissions measurement systems (pems) testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for portable emissions measurement systems (pems) testing services?
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 portable emissions measurement systems (pems) testing services did RevenueBase find worldwide?
The saved snapshot records 106 matching company records, 995 tracked contacts and 371 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 29, 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 portable emissions measurement systems (pems) testing services worldwide. Snapshot: October 29, 2026. https://revenuebase.ai/companies/browse/portable-emissions-measurement-systems-pems-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 portable emissions measurement systems (pems) testing services worldwide
RevenueBase records 106 matching company records for portable emissions measurement systems (pems) testing services worldwide, with 995 tracked contacts and 371 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 29, 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 portable emissions measurement systems (pems) testing services 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 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kane International Limitedkane.co.uk HQ: Welwyn Garden City, United KingdomReported employees: 51-200 | Welwyn Garden City, United Kingdom | 51-200 | Exact match | 72 contacts → |
“Since 1963, Kane International Ltd has been in Welwyn Garden City, Hertfordshire, and has a long history and broad experience designing and manufacturing portable test equipment.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Erthwrks, LLCerthwrks.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 39 contacts → |
“Erthwrks provides air testing services for industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Excel Engineeringexcelengineering.org HQ: Diagonal, IA, United StatesReported employees: 51-200 | Diagonal, IA, United States | 51-200 | Exact match | 38 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BAIRthebair.com HQ: Carrollton, TX, United StatesReported employees: 11-50 | Carrollton, TX, United States | 11-50 | Exact match | 22 contacts → |
“BAIR IS NOW OFFERING LDAR SERVICES!” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Napro Eletrônica Industrialnapro.com.br HQ: São Bernardo Do Campo, BrazilReported employees: 51-200 | São Bernardo Do Campo, Brazil | 51-200 | Exact match | 22 contacts → |
“Napro Eletrônica Industrial, Fera em Tecnologia.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Grace Consulting, INCgcitest.com HQ: Wellington, OH, United StatesReported employees: 51-200 | Wellington, OH, United States | 51-200 | Exact match | 22 contacts → |
“Grace Consulting Inc.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Blue SKY Environmental, INCblueskyenvironmental.com HQ: Hayward, CA, United StatesReported employees: 11-50 | Hayward, CA, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Signet Monitoring & Analysissignetma.com HQ: Red Deer, AB, CanadaReported employees: 11-50 | Red Deer, AB, Canada | 11-50 | Exact match | 16 contacts → |
“As part of Spartan Controls, Signet strengthens emissions testing and reliability services by combining unbiased gas skid maintenance recommendations, expert equipment guidance…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AIR TOX Environmentalairtoxenviro.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 15 contacts → |
“Air Tox strives to assist clients in maintaining compliance and meeting operational goals by offering cost-effective CEMS and emission testing solutions.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ilema Miljöanalys ABilema.se HQ: Linköping, SwedenReported employees: 11-50 | Linköping, Sweden | 11-50 | Exact match | 15 contacts → |
“ILEMA Miljöanalys är ett mät- och analysföretag som specialiserat sig på mätning och analys av luftemissioner.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Oasis Emission Consultants INCoasisemission.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 14 contacts → |
“Oasis Emission Consultants, Inc, was established based on the the need for an automated and reliable engine emission testing service.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Slipstreamslipstreamtesting.com HQ: Sheridan, WY, United StatesReported employees: 11-50 | Sheridan, WY, United States | 11-50 | Exact match | 13 contacts → |
“We are emissions compliance professionals who specialize in communications-driven emissions testing to help our partners in the oil & gas industries achieve their compliance goals.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ecoxy ASecoxy.no HQ: Molde, NorwayReported employees: 1-10 | Molde, Norway | 1-10 | Exact match | 13 contacts → |
“Ecoxy is a leading provider of accredited emissions measurement, independent verification and climate advisory services for the maritime, offshore and onshore industries.” Recorded description excerpt · October 29, 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 3datx Corporation3datx.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 12 contacts → |
“3DATX Corporation is a Buffalo, NY based company that manufactures next generation emissions measurement technologies for the transportation and power generation markets.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Catalyst AIR Management, INCcatalystair.com HQ: Knoxville, TN, United StatesReported employees: 11-50 | Knoxville, TN, United States | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vinitecvinitec.in HQ: Gurgaon, IndiaReported employees: 11-50 | Gurgaon, India | 11-50 | Exact match | 10 contacts → |
“World leader in vehical Fitness test lane Equipment” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ESW Americaeswamerica.com HQ: Montgomeryville, PA, United StatesReported employees: 11-50 | Montgomeryville, PA, United States | 11-50 | Exact match | 8 contacts → |
“ESW America is a leading independent emissions testing company based in Montgomeryville, PA.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 106 company matches
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Portable emissions measurement systems (pems) testing services: dataset insights
October 29, 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
106 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 106 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 29, 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 ↗
Portable emissions measurement systems (pems) testing services by location
1 lists · largest firstEvery Portable emissions measurement systems (pems) testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for portable emissions measurement systems (pems) testing services?
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 portable emissions measurement systems (pems) testing services did RevenueBase find worldwide?
The saved snapshot records 106 matching company records, 995 tracked contacts and 371 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 29, 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 portable emissions measurement systems (pems) testing services worldwide. Snapshot: October 29, 2026. https://revenuebase.ai/companies/browse/portable-emissions-measurement-systems-pems-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗