Company lists · Data refreshed November 2026
Top 25 Indoor environmental quality testing companies worldwide
RevenueBase identified 2,168 company matches for indoor environmental quality testing companies worldwide as of November 2026 and tracks 19,583 professional contacts across them, including 5,639 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for indoor environmental quality testing 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 November 6, 2026. Country and city lists for indoor environmental quality testing 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.
The 25 largest indoor environmental quality testing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 766 contacts → | ||||
Exact match “As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 693 contacts → | ||||
Exact match “Pinchin Ltd.” 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 | 370 contacts → | ||||
Exact match “ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 335 contacts → | ||||
Exact match “Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 244 contacts → | ||||
Exact match “IPROMA is one of the leading companies in the fields of environmental laboratory analysis, technical advice and industrial hygiene.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 238 contacts → | ||||
Exact match “Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 175 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 128 contacts → | ||||
Exact match “Eurofins er Danmarks største miljølaboratorium.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 128 contacts → | ||||
Exact match “PT Medialab Indonesia is a company specializes in laboratory services for environmental quality testing and Industrial Hygiene Monitoring.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 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 | |||||
| 17 | 100 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 99 contacts → | ||||
Exact match “Conhintec SAS | Laboratorio líder en Higiene Industrial y Monitoreo Ambiental en Colombia Somos el primer laboratorio de Higiene Industrial acreditado por AIHA LAP en Colombia y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 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 | |||||
| 20 | 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 | |||||
| 21 | 92 contacts → | ||||
Exact match “Founded in 1998, ENVIROCHECK, INC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 91 contacts → | ||||
Exact match “Airthings is a leading global technology company specializing in award-winning radon detectors and indoor air quality monitors for homes, workplaces, and schools.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 86 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 | |||||
| 24 | 82 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 | |||||
| 25 | 79 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 | |||||
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 “indoor environmental quality testing companies”. 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 2,168 indoor environmental quality testing companies worldwide
See the full list, filter by size, metro and specialty, and access 5,639 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Indoor environmental quality testing companies 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 indoor environmental quality testing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “indoor environmental quality testing 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 5,639 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 environmental quality testing companies by location
10 lists · largest firstEvery Indoor environmental quality testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Indoor environmental quality testing companies based in the United States914
- Indoor environmental quality testing companies based in France119
- Indoor environmental quality testing companies based in Canada111
- Indoor environmental quality testing companies based in the United Kingdom58
- Indoor environmental quality testing companies based in Germany55
- Indoor environmental quality testing companies based in Italy48
- Indoor environmental quality testing companies based in Australia37
- Indoor environmental quality testing companies based in Finland36
- Indoor environmental quality testing companies based in the Netherlands34
- Indoor environmental quality testing companies based in Sweden25
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 environmental quality testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many indoor environmental quality testing companies are there worldwide?
RevenueBase identified 2,168 company matches for indoor environmental quality testing companies 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?
Emsl Analytical, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most indoor environmental quality testing companies?
The United States leads with 914 companies, followed by France (119) and Canada (111). Every indoor environmental quality testing companies list by country and city is linked on this page.
Which city has the most indoor environmental quality testing companies?
New York leads with 18 company records, followed by Singapore (16) and Houston (13).
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 5,639 professional contacts with verified work emails tracked across these 2,168 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 2,168 indoor environmental quality testing companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 indoor environmental quality testing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,168 matching company records for indoor environmental quality testing companies worldwide, with 19,583 tracked contacts and 5,639 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 indoor environmental quality testing companies 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 |  Emsl Analytical, INCemsl.comHQ: Cinnaminson, NJ, United StatesReported employees: 501-1,000 | Cinnaminson, NJ, United States | 501-1,000 | Exact match | 766 contacts → |
“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Pinchin In Canadapinchin.comHQ: Mississauga, ON, CanadaReported employees: 1,001-5,000 | Mississauga, ON, Canada | 1,001-5,000 | Exact match | 693 contacts → |
“Pinchin Ltd.” 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 |  ADX Groupeadx-groupe.comHQ: Château-gontier, FranceReported employees: 201-500 | Château-gontier, France | 201-500 | Exact match | 370 contacts → |
“ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mesa Laboratories, INCmesalabs.comHQ: Lakewood, CO, United StatesReported employees: 501-1,000 | Lakewood, CO, United States | 501-1,000 | Exact match | 335 contacts → |
“Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ipromaeurofins-environment.esHQ: Castellon, SpainReported employees: 201-500 | Castellon, Spain | 201-500 | Exact match | 244 contacts → |
“IPROMA is one of the leading companies in the fields of environmental laboratory analysis, technical advice and industrial hygiene.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  Normec I2 Analyticali2analytical.comHQ: Hertfordshire, United KingdomReported employees: 201-500 | Hertfordshire, United Kingdom | 201-500 | Exact match | 238 contacts → |
“Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Hayward, CA, United StatesReported employees: 51-200 | Hayward, CA, United States | 51-200 | Exact match | 175 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  Eurofins Miljø Danmarkeurofins.comHQ: Vejen, DenmarkReported employees: 201-500 | Vejen, Denmark | 201-500 | Exact match | 128 contacts → |
“Eurofins er Danmarks største miljølaboratorium.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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. | |||||
| 14 |  Pt. Medialab Indonesiamedialab.co.idHQ: Bekasi Regency, IndonesiaReported employees: 51-200 | Bekasi Regency, Indonesia | 51-200 | Exact match | 128 contacts → |
“PT Medialab Indonesia is a company specializes in laboratory services for environmental quality testing and Industrial Hygiene Monitoring.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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. | |||||
| 16 |  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. | |||||
| 17 |  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. | |||||
| 18 |  Conhintec SASconhintec.comHQ: Medelllín, ColombiaReported employees: 51-200 | Medelllín, Colombia | 51-200 | Exact match | 99 contacts → |
“Conhintec SAS | Laboratorio líder en Higiene Industrial y Monitoreo Ambiental en Colombia Somos el primer laboratorio de Higiene Industrial acreditado por AIHA LAP en Colombia y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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. | |||||
| 20 |  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. | |||||
| 21 |  Envirocheck, INCenvirocheck.comHQ: Orange, MA, United StatesReported employees: 51-200 | Orange, MA, United States | 51-200 | Exact match | 92 contacts → |
“Founded in 1998, ENVIROCHECK, INC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Airthingsairthings.comHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 91 contacts → |
“Airthings is a leading global technology company specializing in award-winning radon detectors and indoor air quality monitors for homes, workplaces, and schools.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Protect Environmentalprotectenvironmental.comHQ: Louisville, IL, United StatesReported employees: 501-1,000 | Louisville, IL, United States | 501-1,000 | Exact match | 86 contacts → |
“Protect Environmental is a national home services provider specializing in insulation, crawl space encapsulation, water quality, mold, and radon services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Modern Purairmodernpurair.comHQ: Kelowna, BC, CanadaReported employees: 11-50 | Kelowna, BC, Canada | 11-50 | Exact match | 82 contacts → |
“Modern PURAIR® is your full-service Indoor Air Quality company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Aire Limpioairelimpio.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 79 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,168 company matches
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Indoor environmental quality testing companies: 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
2,143 records in the displayed employee bands.
25 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 2,168 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 ↗
Indoor environmental quality testing companies by location
10 lists · largest firstEvery Indoor environmental quality testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Indoor environmental quality testing companies based in the United States914
- Indoor environmental quality testing companies based in France119
- Indoor environmental quality testing companies based in Canada111
- Indoor environmental quality testing companies based in the United Kingdom58
- Indoor environmental quality testing companies based in Germany55
- Indoor environmental quality testing companies based in Italy48
- Indoor environmental quality testing companies based in Australia37
- Indoor environmental quality testing companies based in Finland36
- Indoor environmental quality testing companies based in the Netherlands34
- Indoor environmental quality testing companies based in Sweden25
Questions about this company list
What does Exact match mean for indoor environmental quality testing companies?
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 indoor environmental quality testing companies did RevenueBase find worldwide?
The saved snapshot records 2,168 matching company records, 19,583 tracked contacts and 5,639 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 indoor environmental quality testing companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/indoor-environmental-quality-testing-companies.
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 indoor environmental quality testing companies worldwide
RevenueBase records 2,168 matching company records for indoor environmental quality testing companies worldwide, with 19,583 tracked contacts and 5,639 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 indoor environmental quality testing companies 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 | Emsl Analytical, INCemsl.com HQ: Cinnaminson, NJ, United StatesReported employees: 501-1,000 | Cinnaminson, NJ, United States | 501-1,000 | Exact match | 766 contacts → |
“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pinchin In Canadapinchin.com HQ: Mississauga, ON, CanadaReported employees: 1,001-5,000 | Mississauga, ON, Canada | 1,001-5,000 | Exact match | 693 contacts → |
“Pinchin Ltd.” 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 | ADX Groupeadx-groupe.com HQ: Château-gontier, FranceReported employees: 201-500 | Château-gontier, France | 201-500 | Exact match | 370 contacts → |
“ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mesa Laboratories, INCmesalabs.com HQ: Lakewood, CO, United StatesReported employees: 501-1,000 | Lakewood, CO, United States | 501-1,000 | Exact match | 335 contacts → |
“Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ipromaeurofins-environment.es HQ: Castellon, SpainReported employees: 201-500 | Castellon, Spain | 201-500 | Exact match | 244 contacts → |
“IPROMA is one of the leading companies in the fields of environmental laboratory analysis, technical advice and industrial hygiene.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | Normec I2 Analyticali2analytical.com HQ: Hertfordshire, United KingdomReported employees: 201-500 | Hertfordshire, United Kingdom | 201-500 | Exact match | 238 contacts → |
“Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Hayward, CA, United StatesReported employees: 51-200 | Hayward, CA, United States | 51-200 | Exact match | 175 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | Eurofins Miljø Danmarkeurofins.com HQ: Vejen, DenmarkReported employees: 201-500 | Vejen, Denmark | 201-500 | Exact match | 128 contacts → |
“Eurofins er Danmarks største miljølaboratorium.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | Pt. Medialab Indonesiamedialab.co.id HQ: Bekasi Regency, IndonesiaReported employees: 51-200 | Bekasi Regency, Indonesia | 51-200 | Exact match | 128 contacts → |
“PT Medialab Indonesia is a company specializes in laboratory services for environmental quality testing and Industrial Hygiene Monitoring.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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. | |||||
| 16 | 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. | |||||
| 17 | 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. | |||||
| 18 | Conhintec SASconhintec.com HQ: Medelllín, ColombiaReported employees: 51-200 | Medelllín, Colombia | 51-200 | Exact match | 99 contacts → |
“Conhintec SAS | Laboratorio líder en Higiene Industrial y Monitoreo Ambiental en Colombia Somos el primer laboratorio de Higiene Industrial acreditado por AIHA LAP en Colombia y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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. | |||||
| 20 | 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. | |||||
| 21 | Envirocheck, INCenvirocheck.com HQ: Orange, MA, United StatesReported employees: 51-200 | Orange, MA, United States | 51-200 | Exact match | 92 contacts → |
“Founded in 1998, ENVIROCHECK, INC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Airthingsairthings.com HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 91 contacts → |
“Airthings is a leading global technology company specializing in award-winning radon detectors and indoor air quality monitors for homes, workplaces, and schools.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Protect Environmentalprotectenvironmental.com HQ: Louisville, IL, United StatesReported employees: 501-1,000 | Louisville, IL, United States | 501-1,000 | Exact match | 86 contacts → |
“Protect Environmental is a national home services provider specializing in insulation, crawl space encapsulation, water quality, mold, and radon services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Modern Purairmodernpurair.com HQ: Kelowna, BC, CanadaReported employees: 11-50 | Kelowna, BC, Canada | 11-50 | Exact match | 82 contacts → |
“Modern PURAIR® is your full-service Indoor Air Quality company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Aire Limpioairelimpio.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 79 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Indoor environmental quality testing companies: 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
2,143 records in the displayed employee bands.
25 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 2,168 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 ↗
Indoor environmental quality testing companies by location
10 lists · largest firstEvery Indoor environmental quality testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Indoor environmental quality testing companies based in the United States914
- Indoor environmental quality testing companies based in France119
- Indoor environmental quality testing companies based in Canada111
- Indoor environmental quality testing companies based in the United Kingdom58
- Indoor environmental quality testing companies based in Germany55
- Indoor environmental quality testing companies based in Italy48
- Indoor environmental quality testing companies based in Australia37
- Indoor environmental quality testing companies based in Finland36
- Indoor environmental quality testing companies based in the Netherlands34
- Indoor environmental quality testing companies based in Sweden25
Questions about this company list
What does Exact match mean for indoor environmental quality testing companies?
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 indoor environmental quality testing companies did RevenueBase find worldwide?
The saved snapshot records 2,168 matching company records, 19,583 tracked contacts and 5,639 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.
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Cite this list
RevenueBase Data Team. Top 25 indoor environmental quality testing companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/indoor-environmental-quality-testing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗