Company lists · Data refreshed September 2026

Top 25 Emissions verification companies worldwide

RevenueBase identified 1,040 company matches for emissions verification companies worldwide as of September 2026 and tracks 13,649 professional contacts across them, including 4,331 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for emissions verification companies 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 September 19, 2026. Country and city lists for emissions verification companies 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 Sep 19, 2026 How this list was built
1,040Companies
13,649Contacts tracked
4,331Verified emails
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The 25 largest emissions verification companies worldwide

Ranked by team size
Top 25 of 1,040 company matches for emissions verification companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchDecatur, AL, United StatesHQ recorded Sep 19, 20261,001-5,000956 contacts →

Exact match

“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchPoissy, FranceHQ recorded Sep 19, 2026501-1,000639 contacts →

Exact match

“ENVEA: Elevating Standards.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchHouston, United StatesHQ recorded Sep 19, 2026501-1,000442 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 · Sep 19, 2026 · View company records in RevenueBase
4Exact matchSanta Clara, CA, United StatesHQ recorded Sep 19, 2026201-500297 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 · Sep 19, 2026 · View company records in RevenueBase
5Exact matchSan Giovanni Teatino, ItalyHQ recorded Sep 19, 2026501-1,000293 contacts →

Exact match

“LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Sep 19, 202610001+252 contacts →

Exact match

“At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchMontreal, QC, CanadaHQ recorded Sep 19, 202651-200228 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 · Sep 19, 2026 · View company records in RevenueBase
8Exact matchSeabrook, TX, United StatesHQ recorded Sep 19, 2026201-500161 contacts →

Exact match

“Automation and Technology Group: Specializing in Analyzer System Integration.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchPalatine, IL, United StatesHQ recorded Sep 19, 202651-200152 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 · Sep 19, 2026 · View company records in RevenueBase
10Exact matchGurugram, IndiaHQ recorded Sep 19, 2026201-500142 contacts →

Exact match

“Vardan EnviroNet is an organization of senior state and central government retired officers from various departments like Pollution Control Board, Mines & Geology, Public Sector…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchHamburg, GermanyHQ recorded Sep 19, 2026501-1,000137 contacts →

Exact match

“With nearly 80 years of expertise, DURAG GROUP is an international technology leader dedicated to supporting cleaner, safer, and more efficient industrial operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchAustin, TX, United StatesHQ recorded Sep 19, 202651-200114 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 · Sep 19, 2026 · View company records in RevenueBase
13Exact matchRabale-new Mumbai, IndiaHQ recorded Sep 19, 202651-200111 contacts →

Exact match

“NETEL (INDIA) Limited, a part of Neterwala Group of Companies is one of the leading organizations in India in the field of Analytical Instruments, Environmental Instruments…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Sep 19, 202651-200105 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 · Sep 19, 2026 · View company records in RevenueBase
15Exact matchOrange, CA, United StatesHQ recorded Sep 19, 202651-20097 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLivange, LuxembourgHQ recorded Sep 19, 202651-20082 contacts →

Exact match

“SustainCERT is a climate impact verifier, bringing credibility to climate action.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSpring, TX, United StatesHQ recorded Sep 19, 202651-20080 contacts →

Exact match

“Insight Environmental is an environmental consulting firm founded on education, experience, and expertise.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchDelhi, IndiaHQ recorded Sep 19, 202651-20079 contacts →

Exact match

“Nevco Engineers Pvt.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchConcepción, ChileHQ recorded Sep 19, 202651-20078 contacts →

Exact match

“En PROTERM S.A.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchDenmarkHQ recorded Sep 19, 202651-20076 contacts →

Exact match

“At Green Instruments, we are passionate about helping our customers demonstrate environmental regulatory compliance and ensure a safe and reliable transport of people and cargo.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchSt Paul, MN, United StatesHQ recorded Sep 19, 202651-20073 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchFreeport, Trinidad and TobagoHQ recorded Sep 19, 202651-20073 contacts →

Exact match

“Kaizen Environmental Services (Trinidad) Limited is committed to serving its customers in a professional manner by balancing environmental sensitivity with economic concerns.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchMitcham, AustraliaHQ recorded Sep 19, 202651-20072 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchTres Cantos, SpainHQ recorded Sep 19, 202651-20072 contacts →

Exact match

“DNOTA Medio Ambiente, S.L.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact match上海市, ChinaHQ recorded Sep 19, 202651-20072 contacts →

Exact match

“is an environmental services company based out of 88931,2CE,4CDE,5DEC2,6CD,7,8DE,9CDE,10,43CD,4,7D,10CE, China.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,040 emissions verification companies worldwide

See the full list, filter by size, metro and specialty, and access 4,331 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Emissions verification companies worldwide at a glance

As of Sep 19, 2026
31.7%Verified-email coverage
13.1Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Calgary
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
494
11-50
403
51-200
111
201-500
15
501-1,000
7
1,001-5,000
5
5,001-10,000
1
10001+
1

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 verification companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “emissions verification companies” 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 4,331 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 September 19, 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 verification companies by location

7 lists · largest first

Every Emissions verification companies 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 verification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many emissions verification companies are there worldwide?

RevenueBase identified 1,040 company matches for emissions verification companies worldwide as of September 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?

Alliance Technical Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most emissions verification companies?

The United States leads with 282 companies, followed by India (51) and Italy (42). Every emissions verification companies list by country and city is linked on this page.

Which city has the most emissions verification companies?

Calgary leads with 11 company records, followed by Houston (7) and Huntington Beach (7).

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 4,331 professional contacts with verified work emails tracked across these 1,040 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 September 19, 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.