Company lists · Data refreshed November 2026

Top 25 Indoor air quality contractors worldwide

RevenueBase identified 2,844 company matches for indoor air quality contractors worldwide as of November 2026 and tracks 19,542 professional contacts across them, including 5,513 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for indoor air quality contractors 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 indoor air quality contractors 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
2,844Companies
19,542Contacts tracked
5,513Verified emails
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The 25 largest indoor air quality contractors worldwide

Ranked by team size
Top 25 of 2,844 company matches for indoor air quality contractors 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 matchBarranquilla, ColombiaHQ recorded Nov 6, 2026201-500218 contacts →

Exact match

“Somos una empresa líder en el sector del aire acondicionado, ventilación mecánica, automatización y control, mantenimiento, retrofit, asesoría y soluciones para grantizar calidad…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBarcelona, SpainHQ recorded Nov 6, 2026501-1,000201 contacts →

Exact match

“Eurofred, el partner idóneo de soluciones de climatización doméstica, comercial, industrial, y calidad de aire interior.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHayward, CA, United StatesHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“With a staff of over 150 employees in the San Francisco, Sacramento, Los Angeles, San Diego, Modesto, Bakersfield, Fresno, Portland, Chicago, and Grand Rapids offices, Forensic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“Arpi’s Industries, a full service mechanical contractor, provides heating, air conditioning, ventilation, plumbing, and air quality solutions to residential and commercial markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchColombes, FranceHQ recorded Nov 6, 2026201-500156 contacts →

Exact match

“Camfil France fait partie du groupe Camfil, leader mondial des solutions de filtration de l'air.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAlkmaar, NetherlandsHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“At AFPRO, we are driven by a mission to make the world safer, healthier, and more productive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAlkmaar, NetherlandsHQ recorded Nov 6, 2026201-500148 contacts →

Exact match

“Plymovent is a global, leading supplier of products, systems and services for the extraction and filtration of polluted indoor air.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChatswood, AustraliaHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Intertek Envirolab offers a wide array of environment testing and analytical services to support investigations of inorganic and organic contaminants and pollutants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSpring Mills, PA, United StatesHQ recorded Nov 6, 202611-50132 contacts →

Exact match

“Green Home Solutions is proud to bring products and services for the quality indoor air you want for your home and family.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSantiago, ChileHQ recorded Nov 6, 2026201-500128 contacts →

Exact match

“Anwo, especialistas en climatización, es una empresa sustentada por un equipo de profesionale altamente, comprometidos, que encuentran en ANWO un espacio de desarrollo integral…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“Since 1967, Joe W.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Paracel Laboratories Ltd.(Paracel) is one of the oldest, privately owned and operated environmental testing companies in Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchWoodinville, WA, United StatesHQ recorded Nov 6, 2026201-50092 contacts →

Exact match

“Bob's Heating & Air Conditioning is one of the largest and most reputable residental HVAC companies in the Puget Sound region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5092 contacts →

Exact match

“CETEC is an independent consultancy delivering scientific and technical solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAars, DenmarkHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“We provide our future the best indoor climate!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSolna, OH, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“QleanAir Scandinavia has more than 30 years of experience in developing innovative air cleaning solutions for sustainable indoor environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCali, ColombiaHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Ingeniería, diseño e instalación HVAC Servicios Mantenimiento | Eficiencia Energética Mejor Calidad de Aire Interior | Workclean®”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLouisville, IL, United StatesHQ recorded Nov 6, 2026501-1,00086 contacts →

Exact match

“Protect Environmental is a national home services provider specializing in insulation, crawl space encapsulation, water quality, mold, and radon services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchTinton Falls, NJ, United StatesHQ recorded Nov 6, 2026201-50085 contacts →

Exact match

“A.J.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKelowna, BC, CanadaHQ recorded Nov 6, 202611-5082 contacts →

Exact match

“Modern PURAIR® is your full-service Indoor Air Quality company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Somos Grupo Aire Limpio, empresa fundada en contamos actualmente con una plantilla de alrededor de 140 personas y facturación de 17,5 millones de euros en 2024.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“At the intersection of IAQ, energy, and maintenance, Dynamic Air Quality Solutions provides sustainable air cleaning solutions for new construction and existing buildings that…”

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

Showing 25 of 2,844 indoor air quality contractors worldwide

See the full list, filter by size, metro and specialty, and access 5,513 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Indoor air quality contractors worldwide at a glance

As of Nov 6, 2026
28.2%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
0.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,667
11-50
883
51-200
199
201-500
32
501-1,000
14
1,001-5,000
8
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 indoor air quality contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “indoor air quality contractors” 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 5,513 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.

Indoor air quality contractors by location

23 lists · largest first

Every Indoor air quality contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “indoor air quality contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many indoor air quality contractors are there worldwide?

RevenueBase identified 2,844 company matches for indoor air quality contractors 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 indoor air quality contractors?

The United States leads with 1,273 companies, followed by Canada (189) and France (128). Every indoor air quality contractors list by country and city is linked on this page.

Which city has the most indoor air quality contractors?

Houston leads with 22 company records, followed by London (20) and Dubai (19).

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 5,513 professional contacts with verified work emails tracked across these 2,844 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.