Company lists · Data refreshed November 2026

Top 25 Air quality permitting services worldwide

RevenueBase identified 511 company matches for air quality permitting services worldwide as of November 2026 and tracks 4,464 professional contacts across them, including 1,572 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for air quality permitting 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 air quality permitting 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
511Companies
4,464Contacts tracked
1,572Verified emails
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The 25 largest air quality permitting services worldwide

Ranked by team size
Top 25 of 511 company matches for air quality permitting 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 matchAchères, FranceHQ recorded Nov 6, 2026501-1,000240 contacts →

Exact match

“IGIENAIR : Spécialiste dans la maitrise et la surveillance de la Qualité de l'Air Intérieur (QAI)!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“AT BGE, WE BELIEVE CLEAN AIR MATTERS BGE Indoor Air Quality Solutions is committed to keeping people healthy in their workplaces, buildings, and communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“A Conforlab cuida do invisível para proteger o que é essencial.”

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 matchHouston, FL, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact matchHouston, LA, United StatesHQ recorded Nov 6, 2026201-50062 contacts →

Exact match

“Sage ATC Environmental Consulting is now Atlas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Established in 1993, Air Quality Consultants has a strong and proven track record in providing independent air quality services to private and public sector clients, both within…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKościan, PolandHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“INSTAL-FILTER SA is a modern company focused on providing comprehensive services in respect of the investment in air quality systems across all industry sectors in Poland and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchFort Lauderdale, NY, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“AirQuest Environmental, Inc.("AirQuest") solves environmental, health, and safety problems, improving the air quality, health of your workforce, and the value of your buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchPerols, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“ATMO Occitanie est l’organisme régional agréé par le Ministère de l’environnement pour surveiller, évaluer, prévoir et informer chacun sur la qualité de l’air qu’il respire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFort Collins, CO, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Air Resource Specialists, Inc.(ARS) is a nationally recognized leader in air quality-related environmental monitoring, modeling, compliance, auditing, analysis, and research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSaint-grégoire, FranceHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Spécialiste de l’hygiène de l’air & de l’expertise aéraulique AQS accompagne les entreprises privées et les collectivités dans la maîtrise de la qualité de l’air intérieur…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGoshen, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“BCA Environmental Consultants helps industrial and commercial facilities stay compliant with federal, state, and local environmental regulations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“We are Airly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCamarillo, CA, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Ashworth Leininger Group was formed to offer expert air quality and environmental consulting services to a broad spectrum of clients – industry, trade associations and agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNantes Cedex 3, FranceHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Air Pays de la Loire est l’organisme agréé par le ministère de l’Environnement pour assurer la surveillance de la qualité de l’air de la région des Pays de la Loire 24h/24 et 7j/7.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchReading, PA, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Since 2004, Liberty Environmental has been providing regional and national clients with services in air quality consulting and pollution control system design, environmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLeicester, United KingdomHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“EarthSense empowers businesses, governments, and communities to make cleaner air a reality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Ventilationsarbeten”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“We provide air quality and engineering services to a wide range of industries, government departments, and consulting firms in Southern Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 511 air quality permitting services worldwide

See the full list, filter by size, metro and specialty, and access 1,572 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Air quality permitting services worldwide at a glance

As of Nov 6, 2026
35.2%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
309
11-50
158
51-200
28
201-500
4
501-1,000
2
1,001-5,000
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 air quality permitting services are linked below.
What qualifies
Company records worldwide whose business descriptions match “air quality permitting 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 1,572 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.

Air quality permitting services by location

4 lists · largest first

Every Air quality permitting 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 “air quality permitting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many air quality permitting services are there worldwide?

RevenueBase identified 511 company matches for air quality permitting 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?

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

Which country has the most air quality permitting services?

The United States leads with 163 companies, followed by Canada (36) and France (36). Every air quality permitting services list by country and city is linked on this page.

Which city has the most air quality permitting services?

Calgary leads with 8 company records, followed by Sao Paulo (6) and Austin (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 1,572 professional contacts with verified work emails tracked across these 511 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.