Company lists · Data refreshed November 2026
Top 25 Air quality improvement services worldwide
RevenueBase identified 3,308 company matches for air quality improvement services worldwide as of November 2026 and tracks 27,093 professional contacts across them, including 7,922 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for air quality improvement 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 improvement 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.
The 25 largest air quality improvement services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,125 contacts → | ||||
Exact match “For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 867 contacts → | ||||
Exact match “AAF International clean air products and systems offer the most comprehensive clean air solutions available in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 382 contacts → | ||||
Exact match “Life Sciences Testing Group” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 240 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 | |||||
| 5 | 187 contacts → | ||||
Exact match “IQAir is a Swiss-based air quality technology company that empowers the world to breathe cleaner air through information, collaboration and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 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 | |||||
| 7 | 153 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 | |||||
| 8 | 148 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 | |||||
| 9 | 142 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 | |||||
| 10 | 132 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 | |||||
| 11 | 131 contacts → | ||||
Exact match “Every year, air pollution prematurely kills 7 million people worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 128 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 | |||||
| 13 | 127 contacts → | ||||
Exact match “Ox·y·gen·ate your space.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 124 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 | |||||
| 15 | 118 contacts → | ||||
Exact match “At Rensa Filtration, our mission is to help people breathe cleaner air.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 113 contacts → | ||||
Exact match “Since 1967, Joe W.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 107 contacts → | ||||
Exact match “For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 102 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 | |||||
| 19 | 100 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 99 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 | |||||
| 21 | 92 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 | |||||
| 22 | 89 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 | |||||
| 23 | 88 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 | |||||
| 24 | 88 contacts → | ||||
Exact match “En PROTERM S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 87 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 | |||||
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 “air quality improvement services”. 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 3,308 air quality improvement services worldwide
See the full list, filter by size, metro and specialty, and access 7,922 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Air quality improvement services 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 air quality improvement services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “air quality improvement 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 7,922 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 improvement services by location
17 lists · largest firstEvery Air quality improvement services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Air quality improvement services based in the United States1,087
- Air quality improvement services based in France193
- Air quality improvement services based in Canada182
- Air quality improvement services based in the United Kingdom149
- Air quality improvement services based in India119
- Air quality improvement services based in Brazil105
- Air quality improvement services based in Germany83
- Air quality improvement services based in Australia80
- Air quality improvement services based in the Netherlands76
- Air quality improvement services based in Italy63
- Air quality improvement services based in Sweden57
- Air quality improvement services based in Switzerland49
- Air quality improvement services based in Finland48
- Air quality improvement services based in Spain46
- Air quality improvement services based in Belgium36
- Air quality improvement services based in Denmark31
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 “air quality improvement services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many air quality improvement services are there worldwide?
RevenueBase identified 3,308 company matches for air quality improvement 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?
Camfil tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most air quality improvement services?
The United States leads with 1,087 companies, followed by France (193) and Canada (182). Every air quality improvement services list by country and city is linked on this page.
Which city has the most air quality improvement services?
London leads with 30 company records, followed by Singapore (27) and Dubai (22).
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 7,922 professional contacts with verified work emails tracked across these 3,308 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 3,308 air quality improvement services worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 air quality improvement services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,308 matching company records for air quality improvement services worldwide, with 27,093 tracked contacts and 7,922 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 air quality improvement services 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 |  Camfilcamfil.comHQ: Stockholm, SwedenReported employees: 5,001-10,000 | Stockholm, Sweden | 5,001-10,000 | Exact match | 1,125 contacts → |
“For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AAF International American AIR Filteraafintl.comHQ: Louisville, IN, United StatesReported employees: 1,001-5,000 | Louisville, IN, United States | 1,001-5,000 | Exact match | 867 contacts → |
“AAF International clean air products and systems offer the most comprehensive clean air solutions available in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ceimicceimic.comHQ: Sumaré, BrazilReported employees: 201-500 | Sumaré, Brazil | 201-500 | Exact match | 382 contacts → |
“Life Sciences Testing Group” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Igienairigienair.comHQ: Achères, FranceReported employees: 501-1,000 | Achères, France | 501-1,000 | Exact match | 240 contacts → |
“IGIENAIR : Spécialiste dans la maitrise et la surveillance de la Qualité de l'Air Intérieur (QAI)!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Iqair First In AIR Qualityiqair.comHQ: Steinach, SwitzerlandReported employees: 501-1,000 | Steinach, Switzerland | 501-1,000 | Exact match | 187 contacts → |
“IQAir is a Swiss-based air quality technology company that empowers the world to breathe cleaner air through information, collaboration and technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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. | |||||
| 7 |  Afpro Filtersafprofilters.comHQ: Alkmaar, NetherlandsReported employees: 201-500 | Alkmaar, Netherlands | 201-500 | Exact match | 153 contacts → |
“At AFPRO, we are driven by a mission to make the world safer, healthier, and more productive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Plymoventplymovent.comHQ: Alkmaar, NetherlandsReported employees: 201-500 | Alkmaar, Netherlands | 201-500 | Exact match | 148 contacts → |
“Plymovent is a global, leading supplier of products, systems and services for the extraction and filtration of polluted indoor air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Intertek Envirolabenvirolab.com.auHQ: Chatswood, AustraliaReported employees: 201-500 | Chatswood, Australia | 201-500 | Exact match | 142 contacts → |
“Intertek Envirolab offers a wide array of environment testing and analytical services to support investigations of inorganic and organic contaminants and pollutants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Green Home Solutionsgreenhomesolutions.comHQ: Spring Mills, PA, United StatesReported employees: 11-50 | Spring Mills, PA, United States | 11-50 | Exact match | 132 contacts → |
“Green Home Solutions is proud to bring products and services for the quality indoor air you want for your home and family.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Deltrian Internationaldeltrian.comHQ: Fleurus, BelgiumReported employees: 501-1,000 | Fleurus, Belgium | 501-1,000 | Exact match | 131 contacts → |
“Every year, air pollution prematurely kills 7 million people worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Anwo S.Aanwo.clHQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 128 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Oxygen8oxygen8.caHQ: Burnaby, BC, CanadaReported employees: 201-500 | Burnaby, BC, Canada | 201-500 | Exact match | 127 contacts → |
“Ox·y·gen·ate your space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  BGE Indoor AIR Quality Solutionsbgecleanair.comHQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 124 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rensa Filtrationrensafiltration.comHQ: Aurora, ON, United StatesReported employees: 1,001-5,000 | Aurora, ON, United States | 1,001-5,000 | Exact match | 118 contacts → |
“At Rensa Filtration, our mission is to help people breathe cleaner air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  JOE W. FLY Co., INCjoeflyco.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 113 contacts → |
“Since 1967, Joe W.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Camfil Indiacamfil.inHQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 107 contacts → |
“For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Paracel Laboratories LTDparacellabs.comHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 102 contacts → |
“Paracel Laboratories Ltd.(Paracel) is one of the oldest, privately owned and operated environmental testing companies in Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  A-Tech Consulting, INCatechinc.netHQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 100 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Conforlabconforlab.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 99 contacts → |
“A Conforlab cuida do invisível para proteger o que é essencial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CETECcetec.com.auHQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 92 contacts → |
“CETEC is an independent consultancy delivering scientific and technical solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Airmasterairmaster.dkHQ: Aars, DenmarkReported employees: 51-200 | Aars, Denmark | 51-200 | Exact match | 89 contacts → |
“We provide our future the best indoor climate!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Qleanair Scandinavia ABqleanair.comHQ: Solna, OH, United StatesReported employees: 51-200 | Solna, OH, United States | 51-200 | Exact match | 88 contacts → |
“QleanAir Scandinavia has more than 30 years of experience in developing innovative air cleaning solutions for sustainable indoor environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Proterm S.Aproterm.clHQ: Concepción, ChileReported employees: 51-200 | Concepción, Chile | 51-200 | Exact match | 88 contacts → |
“En PROTERM S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Carvel S.Acarvel.com.coHQ: Cali, ColombiaReported employees: 51-200 | Cali, Colombia | 51-200 | Exact match | 87 contacts → |
“Ingeniería, diseño e instalación HVAC Servicios Mantenimiento | Eficiencia Energética Mejor Calidad de Aire Interior | Workclean®” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,308 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Air quality improvement services: 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
3,267 records in the displayed employee bands.
41 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 3,308 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 ↗
Air quality improvement services by location
17 lists · largest firstEvery Air quality improvement services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Air quality improvement services based in the United States1,087
- Air quality improvement services based in France193
- Air quality improvement services based in Canada182
- Air quality improvement services based in the United Kingdom149
- Air quality improvement services based in India119
- Air quality improvement services based in Brazil105
- Air quality improvement services based in Germany83
- Air quality improvement services based in Australia80
- Air quality improvement services based in the Netherlands76
- Air quality improvement services based in Italy63
- Air quality improvement services based in Sweden57
- Air quality improvement services based in Switzerland49
- Air quality improvement services based in Finland48
- Air quality improvement services based in Spain46
- Air quality improvement services based in Belgium36
- Air quality improvement services based in Denmark31
Cities
Questions about this company list
What does Exact match mean for air quality improvement services?
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 air quality improvement services did RevenueBase find worldwide?
The saved snapshot records 3,308 matching company records, 27,093 tracked contacts and 7,922 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 air quality improvement services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/air-quality-improvement-services.
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 air quality improvement services worldwide
RevenueBase records 3,308 matching company records for air quality improvement services worldwide, with 27,093 tracked contacts and 7,922 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 air quality improvement services 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 | Camfilcamfil.com HQ: Stockholm, SwedenReported employees: 5,001-10,000 | Stockholm, Sweden | 5,001-10,000 | Exact match | 1,125 contacts → |
“For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AAF International American AIR Filteraafintl.com HQ: Louisville, IN, United StatesReported employees: 1,001-5,000 | Louisville, IN, United States | 1,001-5,000 | Exact match | 867 contacts → |
“AAF International clean air products and systems offer the most comprehensive clean air solutions available in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ceimicceimic.com HQ: Sumaré, BrazilReported employees: 201-500 | Sumaré, Brazil | 201-500 | Exact match | 382 contacts → |
“Life Sciences Testing Group” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Igienairigienair.com HQ: Achères, FranceReported employees: 501-1,000 | Achères, France | 501-1,000 | Exact match | 240 contacts → |
“IGIENAIR : Spécialiste dans la maitrise et la surveillance de la Qualité de l'Air Intérieur (QAI)!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Iqair First In AIR Qualityiqair.com HQ: Steinach, SwitzerlandReported employees: 501-1,000 | Steinach, Switzerland | 501-1,000 | Exact match | 187 contacts → |
“IQAir is a Swiss-based air quality technology company that empowers the world to breathe cleaner air through information, collaboration and technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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. | |||||
| 7 | Afpro Filtersafprofilters.com HQ: Alkmaar, NetherlandsReported employees: 201-500 | Alkmaar, Netherlands | 201-500 | Exact match | 153 contacts → |
“At AFPRO, we are driven by a mission to make the world safer, healthier, and more productive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Plymoventplymovent.com HQ: Alkmaar, NetherlandsReported employees: 201-500 | Alkmaar, Netherlands | 201-500 | Exact match | 148 contacts → |
“Plymovent is a global, leading supplier of products, systems and services for the extraction and filtration of polluted indoor air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Intertek Envirolabenvirolab.com.au HQ: Chatswood, AustraliaReported employees: 201-500 | Chatswood, Australia | 201-500 | Exact match | 142 contacts → |
“Intertek Envirolab offers a wide array of environment testing and analytical services to support investigations of inorganic and organic contaminants and pollutants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Green Home Solutionsgreenhomesolutions.com HQ: Spring Mills, PA, United StatesReported employees: 11-50 | Spring Mills, PA, United States | 11-50 | Exact match | 132 contacts → |
“Green Home Solutions is proud to bring products and services for the quality indoor air you want for your home and family.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Deltrian Internationaldeltrian.com HQ: Fleurus, BelgiumReported employees: 501-1,000 | Fleurus, Belgium | 501-1,000 | Exact match | 131 contacts → |
“Every year, air pollution prematurely kills 7 million people worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Anwo S.Aanwo.cl HQ: Santiago, ChileReported employees: 201-500 | Santiago, Chile | 201-500 | Exact match | 128 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Oxygen8oxygen8.ca HQ: Burnaby, BC, CanadaReported employees: 201-500 | Burnaby, BC, Canada | 201-500 | Exact match | 127 contacts → |
“Ox·y·gen·ate your space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | BGE Indoor AIR Quality Solutionsbgecleanair.com HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 124 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rensa Filtrationrensafiltration.com HQ: Aurora, ON, United StatesReported employees: 1,001-5,000 | Aurora, ON, United States | 1,001-5,000 | Exact match | 118 contacts → |
“At Rensa Filtration, our mission is to help people breathe cleaner air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | JOE W. FLY Co., INCjoeflyco.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 113 contacts → |
“Since 1967, Joe W.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Camfil Indiacamfil.in HQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 107 contacts → |
“For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Paracel Laboratories LTDparacellabs.com HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 102 contacts → |
“Paracel Laboratories Ltd.(Paracel) is one of the oldest, privately owned and operated environmental testing companies in Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | A-Tech Consulting, INCatechinc.net HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 100 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Conforlabconforlab.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 99 contacts → |
“A Conforlab cuida do invisível para proteger o que é essencial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CETECcetec.com.au HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 92 contacts → |
“CETEC is an independent consultancy delivering scientific and technical solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Airmasterairmaster.dk HQ: Aars, DenmarkReported employees: 51-200 | Aars, Denmark | 51-200 | Exact match | 89 contacts → |
“We provide our future the best indoor climate!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Qleanair Scandinavia ABqleanair.com HQ: Solna, OH, United StatesReported employees: 51-200 | Solna, OH, United States | 51-200 | Exact match | 88 contacts → |
“QleanAir Scandinavia has more than 30 years of experience in developing innovative air cleaning solutions for sustainable indoor environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Proterm S.Aproterm.cl HQ: Concepción, ChileReported employees: 51-200 | Concepción, Chile | 51-200 | Exact match | 88 contacts → |
“En PROTERM S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Carvel S.Acarvel.com.co HQ: Cali, ColombiaReported employees: 51-200 | Cali, Colombia | 51-200 | Exact match | 87 contacts → |
“Ingeniería, diseño e instalación HVAC Servicios Mantenimiento | Eficiencia Energética Mejor Calidad de Aire Interior | Workclean®” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,308 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Air quality improvement services: 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
3,267 records in the displayed employee bands.
41 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 3,308 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 ↗
Air quality improvement services by location
17 lists · largest firstEvery Air quality improvement services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Air quality improvement services based in the United States1,087
- Air quality improvement services based in France193
- Air quality improvement services based in Canada182
- Air quality improvement services based in the United Kingdom149
- Air quality improvement services based in India119
- Air quality improvement services based in Brazil105
- Air quality improvement services based in Germany83
- Air quality improvement services based in Australia80
- Air quality improvement services based in the Netherlands76
- Air quality improvement services based in Italy63
- Air quality improvement services based in Sweden57
- Air quality improvement services based in Switzerland49
- Air quality improvement services based in Finland48
- Air quality improvement services based in Spain46
- Air quality improvement services based in Belgium36
- Air quality improvement services based in Denmark31
Cities
Questions about this company list
What does Exact match mean for air quality improvement services?
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 air quality improvement services did RevenueBase find worldwide?
The saved snapshot records 3,308 matching company records, 27,093 tracked contacts and 7,922 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 air quality improvement services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/air-quality-improvement-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗