Company lists · Data refreshed November 2026
Top 25 Emissions testing firms worldwide
RevenueBase identified 460 company matches for emissions testing firms worldwide as of November 2026 and tracks 4,975 professional contacts across them, including 1,247 with verified work emails. The United States is the largest market and Bogota the largest hub.
This list covers company matches for emissions testing firms 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 November 6, 2026. Country and city lists for emissions testing firms 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 emissions testing firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 490 contacts → | ||||
Exact match “SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 228 contacts → | ||||
Exact match “GHGSat is a global technology leader with pioneering emissions-monitoring capabilities that drive industrial efficiency with positive impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 181 contacts → | ||||
Exact match “Kwaliteit Gasmeting Nederland BV (KGN) was founded in 2011 to check if containers arriving to the port of Rotterdam contain fumigants/pesticides and -/or production gasses in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 158 contacts → | ||||
Exact match “Since its founding in 1972, CleanAir has an established reputation for excellence on projects of all sizes, ranging from boiler, APC equipment and cooling tower efficiency testing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 108 contacts → | ||||
Exact match “Normec Verifavia is a global leader in environmental validation, verification, and auditing within the transport and industrial sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 81 contacts → | ||||
Exact match “Understanding vehicles.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 79 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 77 contacts → | ||||
Exact match “Insight Environmental is an environmental consulting firm founded on education, experience, and expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 77 contacts → | ||||
Exact match “Air Hygiene is a national leader in stack testing, air emissions measurement, RATAs, and regulatory compliance services for industrial facilities across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 77 contacts → | ||||
Exact match “BHP Laboratories are an independent test facility providing a wide range of engineering and scientific measuring, testing and analyzing services to numerous industries throughout…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 68 contacts → | ||||
Exact match “TRP Laboratories provides standard and custom testing services across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 58 contacts → | ||||
Exact match “GAS provides Nationwide “Emissions Testing and LDAR” Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 58 contacts → | ||||
Exact match “ANAVANLAB | CONFIANZA QUE TRANSFORMA Somos un laboratorio ambiental y organismo de validación y verificación de Huella de Carbono Acreditado bajo las normas ISO 17025, ISO 17029 e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 49 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 47 contacts → | ||||
Exact match “At Skyside, we’re creating a brighter tomorrow through innovative air emissions and water testing practices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 43 contacts → | ||||
Exact match “Better technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 41 contacts → | ||||
Exact match “Air Quality and Environmental Consulting Bison Engineering, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 40 contacts → | ||||
Exact match “Erthwrks provides air testing services for industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 39 contacts → | ||||
Exact match “Excel Engineering is a highly qualified and certified provider of testing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 38 contacts → | ||||
Exact match “Since 1984, we have been designing, implementing, operating and servicing various types of motor vehicle emissions and technical/safety inspection programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 37 contacts → | ||||
Exact match “Overview ABMARC is a global leader in the provision of transport and environment services and evidence based research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 31 contacts → | ||||
Exact match “Apex Instruments was established in 1988 as an American-owned company with a worldwide impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 31 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 30 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 · Nov 6, 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 “emissions testing firms”. 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 460 emissions testing firms worldwide
See the full list, filter by size, metro and specialty, and access 1,247 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Emissions testing firms worldwide at a glance
As of Nov 6, 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 emissions testing firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “emissions testing firms” 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 1,247 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 November 6, 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.
Emissions testing firms by location
2 lists · largest firstEvery Emissions testing firms 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 “emissions testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many emissions testing firms are there worldwide?
RevenueBase identified 460 company matches for emissions testing firms worldwide as of November 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?
SPL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most emissions testing firms?
The United States leads with 171 companies, followed by Germany (35). Every emissions testing firms list by country and city is linked on this page.
Which city has the most emissions testing firms?
Bogota leads with 5 company records, followed by Sacramento (5) and Sao Paulo (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,247 professional contacts with verified work emails tracked across these 460 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 460 emissions testing firms 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 emissions testing firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 460 matching company records for emissions testing firms worldwide, with 4,975 tracked contacts and 1,247 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: November 6, 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 emissions testing firms 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 |  SPLspllabs.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 490 contacts → |
“SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ghgsatghgsat.comHQ: Montreal, AB, CanadaReported employees: 51-200 | Montreal, AB, Canada | 51-200 | Exact match | 228 contacts → |
“GHGSat is a global technology leader with pioneering emissions-monitoring capabilities that drive industrial efficiency with positive impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Kwaliteit Gasmeting Nederland BVkgn-measurement.nlHQ: Rotterdam Havens, NetherlandsReported employees: Not recorded | Rotterdam Havens, Netherlands | Not recorded | Exact match | 181 contacts → |
“Kwaliteit Gasmeting Nederland BV (KGN) was founded in 2011 to check if containers arriving to the port of Rotterdam contain fumigants/pesticides and -/or production gasses in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cleanair Engineeringcleanair.comHQ: Palatine, TX, United StatesReported employees: 51-200 | Palatine, TX, United States | 51-200 | Exact match | 158 contacts → |
“Since its founding in 1972, CleanAir has an established reputation for excellence on projects of all sizes, ranging from boiler, APC equipment and cooling tower efficiency testing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Normec Verifavianormecverifavia.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 108 contacts → |
“Normec Verifavia is a global leader in environmental validation, verification, and auditing within the transport and industrial sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  WOW Würth Online World Gmbhwow-portal.comHQ: Künzelsau, GermanyReported employees: 51-200 | Künzelsau, Germany | 51-200 | Exact match | 81 contacts → |
“Understanding vehicles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Teklab, INCteklabinc.comHQ: Collinsville, IL, United StatesReported employees: 201-500 | Collinsville, IL, United States | 201-500 | Exact match | 79 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Serpramserpram.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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Insight Environmental, INCinsightenv.comHQ: Spring, OH, United StatesReported employees: 51-200 | Spring, OH, United States | 51-200 | Exact match | 77 contacts → |
“Insight Environmental is an environmental consulting firm founded on education, experience, and expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  AIR Hygiene International, INCairhygiene.comHQ: Broken Arrow, LA, United StatesReported employees: 51-200 | Broken Arrow, LA, United States | 51-200 | Exact match | 77 contacts → |
“Air Hygiene is a national leader in stack testing, air emissions measurement, RATAs, and regulatory compliance services for industrial facilities across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  BHP Laboratoriesbhp.ieHQ: Limerick, IrelandReported employees: 51-200 | Limerick, Ireland | 51-200 | Exact match | 77 contacts → |
“BHP Laboratories are an independent test facility providing a wide range of engineering and scientific measuring, testing and analyzing services to numerous industries throughout…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TRP Laboratoriestrplabs.comHQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 68 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Great Plains Analytical Servicesgasinc.usHQ: Elk City, TX, United StatesReported employees: 51-200 | Elk City, TX, United States | 51-200 | Exact match | 58 contacts → |
“GAS provides Nationwide “Emissions Testing and LDAR” Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Quito, EcuadorReported employees: 51-200 | Quito, Ecuador | 51-200 | Exact match | 58 contacts → |
“ANAVANLAB | CONFIANZA QUE TRANSFORMA Somos un laboratorio ambiental y organismo de validación y verificación de Huella de Carbono Acreditado bajo las normas ISO 17025, ISO 17029 e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sensors, INCsensors-inc.comHQ: Saline, United StatesReported employees: 51-200 | Saline, United States | 51-200 | Exact match | 49 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  Skysideskyside.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 47 contacts → |
“At Skyside, we’re creating a brighter tomorrow through innovative air emissions and water testing practices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Emisia SAemisia.comHQ: Thessaloniki, GreeceReported employees: 51-200 | Thessaloniki, Greece | 51-200 | Exact match | 43 contacts → |
“Better technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bison Engineering, INCbison-eng.comHQ: Helena, MT, United StatesReported employees: 11-50 | Helena, MT, United States | 11-50 | Exact match | 41 contacts → |
“Air Quality and Environmental Consulting Bison Engineering, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Erthwrks, LLCerthwrks.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 40 contacts → |
“Erthwrks provides air testing services for industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Excel Engineeringexcelengineering.orgHQ: Diagonal, MI, United StatesReported employees: 51-200 | Diagonal, MI, United States | 51-200 | Exact match | 39 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Worldwide Environmentalwep-inc.comHQ: Brea, CA, United StatesReported employees: 51-200 | Brea, CA, United States | 51-200 | Exact match | 38 contacts → |
“Since 1984, we have been designing, implementing, operating and servicing various types of motor vehicle emissions and technical/safety inspection programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Abmarcabmarc.com.auHQ: Wensleydale, AustraliaReported employees: Not recorded | Wensleydale, Australia | Not recorded | Exact match | 37 contacts → |
“Overview ABMARC is a global leader in the provision of transport and environment services and evidence based research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Apex Instrumentsapexinst.comHQ: Fuquay-varina, NC, United StatesReported employees: 11-50 | Fuquay-varina, NC, United States | 11-50 | Exact match | 31 contacts → |
“Apex Instruments was established in 1988 as an American-owned company with a worldwide impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Amp-Cherokee Environmental Solutionsampcherokee.comHQ: Angier, LA, United StatesReported employees: 11-50 | Angier, LA, United States | 11-50 | Exact match | 31 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Encino Environmental Services, LLCencinoenviron.comHQ: Katy, TX, United StatesReported employees: 51-200 | Katy, TX, United States | 51-200 | Exact match | 30 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 460 company matches
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Emissions testing firms: dataset insights
November 6, 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
445 records in the displayed employee bands.
15 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 460 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: November 6, 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 ↗
Emissions testing firms by location
2 lists · largest firstEvery Emissions testing firms 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 emissions testing firms?
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 emissions testing firms did RevenueBase find worldwide?
The saved snapshot records 460 matching company records, 4,975 tracked contacts and 1,247 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: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 emissions testing firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/emissions-testing-firms.
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 emissions testing firms worldwide
RevenueBase records 460 matching company records for emissions testing firms worldwide, with 4,975 tracked contacts and 1,247 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: November 6, 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 emissions testing firms 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 | SPLspllabs.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 490 contacts → |
“SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ghgsatghgsat.com HQ: Montreal, AB, CanadaReported employees: 51-200 | Montreal, AB, Canada | 51-200 | Exact match | 228 contacts → |
“GHGSat is a global technology leader with pioneering emissions-monitoring capabilities that drive industrial efficiency with positive impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kwaliteit Gasmeting Nederland BVkgn-measurement.nl HQ: Rotterdam Havens, NetherlandsReported employees: Not recorded | Rotterdam Havens, Netherlands | Not recorded | Exact match | 181 contacts → |
“Kwaliteit Gasmeting Nederland BV (KGN) was founded in 2011 to check if containers arriving to the port of Rotterdam contain fumigants/pesticides and -/or production gasses in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cleanair Engineeringcleanair.com HQ: Palatine, TX, United StatesReported employees: 51-200 | Palatine, TX, United States | 51-200 | Exact match | 158 contacts → |
“Since its founding in 1972, CleanAir has an established reputation for excellence on projects of all sizes, ranging from boiler, APC equipment and cooling tower efficiency testing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Normec Verifavianormecverifavia.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 108 contacts → |
“Normec Verifavia is a global leader in environmental validation, verification, and auditing within the transport and industrial sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | WOW Würth Online World Gmbhwow-portal.com HQ: Künzelsau, GermanyReported employees: 51-200 | Künzelsau, Germany | 51-200 | Exact match | 81 contacts → |
“Understanding vehicles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Teklab, INCteklabinc.com HQ: Collinsville, IL, United StatesReported employees: 201-500 | Collinsville, IL, United States | 201-500 | Exact match | 79 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Serpramserpram.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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Insight Environmental, INCinsightenv.com HQ: Spring, OH, United StatesReported employees: 51-200 | Spring, OH, United States | 51-200 | Exact match | 77 contacts → |
“Insight Environmental is an environmental consulting firm founded on education, experience, and expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AIR Hygiene International, INCairhygiene.com HQ: Broken Arrow, LA, United StatesReported employees: 51-200 | Broken Arrow, LA, United States | 51-200 | Exact match | 77 contacts → |
“Air Hygiene is a national leader in stack testing, air emissions measurement, RATAs, and regulatory compliance services for industrial facilities across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | BHP Laboratoriesbhp.ie HQ: Limerick, IrelandReported employees: 51-200 | Limerick, Ireland | 51-200 | Exact match | 77 contacts → |
“BHP Laboratories are an independent test facility providing a wide range of engineering and scientific measuring, testing and analyzing services to numerous industries throughout…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TRP Laboratoriestrplabs.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 68 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Great Plains Analytical Servicesgasinc.us HQ: Elk City, TX, United StatesReported employees: 51-200 | Elk City, TX, United States | 51-200 | Exact match | 58 contacts → |
“GAS provides Nationwide “Emissions Testing and LDAR” Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Quito, EcuadorReported employees: 51-200 | Quito, Ecuador | 51-200 | Exact match | 58 contacts → |
“ANAVANLAB | CONFIANZA QUE TRANSFORMA Somos un laboratorio ambiental y organismo de validación y verificación de Huella de Carbono Acreditado bajo las normas ISO 17025, ISO 17029 e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sensors, INCsensors-inc.com HQ: Saline, United StatesReported employees: 51-200 | Saline, United States | 51-200 | Exact match | 49 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Skysideskyside.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 47 contacts → |
“At Skyside, we’re creating a brighter tomorrow through innovative air emissions and water testing practices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Emisia SAemisia.com HQ: Thessaloniki, GreeceReported employees: 51-200 | Thessaloniki, Greece | 51-200 | Exact match | 43 contacts → |
“Better technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bison Engineering, INCbison-eng.com HQ: Helena, MT, United StatesReported employees: 11-50 | Helena, MT, United States | 11-50 | Exact match | 41 contacts → |
“Air Quality and Environmental Consulting Bison Engineering, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Erthwrks, LLCerthwrks.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 40 contacts → |
“Erthwrks provides air testing services for industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Excel Engineeringexcelengineering.org HQ: Diagonal, MI, United StatesReported employees: 51-200 | Diagonal, MI, United States | 51-200 | Exact match | 39 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Worldwide Environmentalwep-inc.com HQ: Brea, CA, United StatesReported employees: 51-200 | Brea, CA, United States | 51-200 | Exact match | 38 contacts → |
“Since 1984, we have been designing, implementing, operating and servicing various types of motor vehicle emissions and technical/safety inspection programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Abmarcabmarc.com.au HQ: Wensleydale, AustraliaReported employees: Not recorded | Wensleydale, Australia | Not recorded | Exact match | 37 contacts → |
“Overview ABMARC is a global leader in the provision of transport and environment services and evidence based research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Apex Instrumentsapexinst.com HQ: Fuquay-varina, NC, United StatesReported employees: 11-50 | Fuquay-varina, NC, United States | 11-50 | Exact match | 31 contacts → |
“Apex Instruments was established in 1988 as an American-owned company with a worldwide impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Amp-Cherokee Environmental Solutionsampcherokee.com HQ: Angier, LA, United StatesReported employees: 11-50 | Angier, LA, United States | 11-50 | Exact match | 31 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Encino Environmental Services, LLCencinoenviron.com HQ: Katy, TX, United StatesReported employees: 51-200 | Katy, TX, United States | 51-200 | Exact match | 30 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 460 company matches
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Emissions testing firms: dataset insights
November 6, 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
445 records in the displayed employee bands.
15 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 460 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: November 6, 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 ↗
Emissions testing firms by location
2 lists · largest firstEvery Emissions testing firms 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 emissions testing firms?
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 emissions testing firms did RevenueBase find worldwide?
The saved snapshot records 460 matching company records, 4,975 tracked contacts and 1,247 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: November 6, 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 emissions testing firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/emissions-testing-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗