Company lists · Data refreshed November 2026

Top 25 Stack emission testing services worldwide

RevenueBase identified 169 company matches for stack emission testing services worldwide as of November 2026 and tracks 2,934 professional contacts across them, including 1,141 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for stack emission 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 November 6, 2026. Country and city lists for stack emission 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
169Companies
2,934Contacts tracked
1,141Verified emails
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The 25 largest stack emission testing services worldwide

Ranked by team size
Top 25 of 169 company matches for stack emission testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPoissy, FranceHQ recorded Nov 6, 2026501-1,000683 contacts →

Exact match

“ENVEA: Elevating Standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 2026201-500335 contacts →

Exact match

“Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPalatine, TX, United StatesHQ recorded Nov 6, 202651-200158 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
4Exact matchCockburn Central, AustraliaHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Experts in air quality, odour and emission monitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchÑuñoa, ChileHQ recorded Nov 6, 202651-20078 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
6Exact matchBroken Arrow, LA, United StatesHQ recorded Nov 6, 202651-20077 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
7Exact matchJoão Monlevade, BrazilHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Ecoar Monitoramento Ambiental is a enviromental services company based out of Rua Hamacek 122, João Monlevade, Minas Gerais, Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-5047 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
9Exact matchMaceió, BrazilHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“A Ambimet é uma empresa alagoana especializada em monitoramentos ambientais da qualidade do Ar, e tem como base na prestação dos seus serviços a confiabilidade, qualidade nos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHelena, MT, United StatesHQ recorded Nov 6, 202611-5041 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
11Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Erthwrks provides air testing services for industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFuquay-varina, NC, United StatesHQ recorded Nov 6, 202611-5031 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
13Exact matchAngier, LA, United StatesHQ recorded Nov 6, 202611-5031 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
14Exact matchKaty, TX, United StatesHQ recorded Nov 6, 202651-20030 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
15Exact matchModderfontein, South AfricaHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Levego specialise in the consulting and provision of stationary source, air quality and process off-gas measurements and supply of specialised source monitoring equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEsteio, BrazilHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“A SJC Química é uma empresa prestadora de serviços de análises em monitoramento de emissões atmosféricas, qualidade do ar, controle de qualidade em combustíveis e administração de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Environmental Indoor Air quality Stack Monitoring Water Food testing microbiological and Chemical testing service to Facility Management, Hotels, Tank cleaning company”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“BAIR IS NOW OFFERING LDAR SERVICES!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWellington, OH, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“Grace Consulting Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchChristchurch, New ZealandHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Air quality testing is what K2 Environmental is all about.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHayward, CA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSingleton, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWauconda, IL, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLinköping, SwedenHQ recorded Nov 6, 202611-5015 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWunstorf, GermanyHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 169 stack emission testing services worldwide

See the full list, filter by size, metro and specialty, and access 1,141 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Stack emission testing services worldwide at a glance

As of Nov 6, 2026
38.9%Verified-email coverage
17.4Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Pune
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
74
11-50
72
51-200
16
201-500
2
501-1,000
1
1,001-5,000
2

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 stack emission testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “stack emission 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 1,141 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.

Stack emission testing services by location

1 lists · largest first

Every Stack emission 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 “stack emission testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many stack emission testing services are there worldwide?

RevenueBase identified 169 company matches for stack emission testing services 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?

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

Which country has the most stack emission testing services?

The United States leads with 50 companies. Every stack emission testing services list by country and city is linked on this page.

Which city has the most stack emission testing services?

Pune leads with 3 company records, followed by Austin (2) and Belo Horizonte (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 1,141 professional contacts with verified work emails tracked across these 169 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.

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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.