Company lists · Data refreshed October 2026
Top 25 Cleanroom testing & certification services worldwide
RevenueBase identified 637 company matches for cleanroom testing & certification services worldwide as of October 2026 and tracks 5,293 professional contacts across them, including 1,145 with verified work emails. The United States is the largest market and Hyderabad the largest hub.
This list covers company matches for cleanroom testing & certification 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 October 23, 2026. Country and city lists for cleanroom testing & certification 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 cleanroom testing & certification services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 193 contacts → | ||||
Exact match “Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 2 | 105 contacts → | ||||
Exact match “Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 3 | 94 contacts → | ||||
Exact match “CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 4 | 89 contacts → | ||||
Exact match “Als dé specialist in contaminatievrije ruimtes draait het bij Interflow allemaal om schone lucht in productieomgevingen met als doel product- en persoonsbescherming te bieden.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 5 | 89 contacts → | ||||
Exact match “BLOCK makes sure that the pioneers of biotech, pharmaceuticals, healthcare, and microelectronics have the best environment to change the world.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 6 | 82 contacts → | ||||
Exact match “Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 7 | 79 contacts → | ||||
Exact match “Established in 1982, Dyna is an industrial air filtration and turnkey cleanroom projects company.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 8 | 71 contacts → | ||||
Exact match “Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 9 | 62 contacts → | ||||
Exact match “VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 10 | 55 contacts → | ||||
Exact match “Established in 1986 as the premier HEPA filter certification company specializing in manufacturing, supplying, installing, testing and maintaining specialist diagnostic…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 11 | 53 contacts → | ||||
Exact match “With over 23 years of experience in HVAC Cleanroom cross contamination Control, Lucky Deep is a group of firms with Indian roots.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 12 | 50 contacts → | ||||
Exact match “Established in 1981, MRC Systems is committed to providing cleanroom products and installations to the highest quality to our clients in the pharmaceutical, healthcare, aerospace…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 13 | 49 contacts → | ||||
Exact match “OUR TEAM: We are an Italian company with innovation at its core, operating in Italy and Europe.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 14 | 49 contacts → | ||||
Exact match “QRT is a leading-edge solution provider in reliability testing and failure analysis.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 15 | 47 contacts → | ||||
Exact match “Our core business is to provide contamination control products and services to cleanroom customers in various industries such as the microelectronics, pharmaceutical…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 16 | 44 contacts → | ||||
Exact match “Ultra Shine specializes in technical and critical cleaning.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 17 | 43 contacts → | ||||
Exact match “Since 1988, MK Versuchsanlagen GmbH & Co.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 18 | 42 contacts → | ||||
Exact match “Compliance Experts in Critical Airflow Environments.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 19 | 41 contacts → | ||||
Exact match “A AVA Engenharia é uma empresa que está no mercado de Salas Limpas e Ambientes Controlado, desde 2015, aliando experiência ao desenvolvimento do mercado.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 20 | 39 contacts → | ||||
Exact match “Royal Impact Certification Limited (RICL) is a leading certification, training, inspection & testing service provider in India.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 21 | 35 contacts → | ||||
Exact match “With trusted solutions, proven expertise, and everything you need from one reliable source, we take the complexity out of cleanroom ownership.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 22 | 35 contacts → | ||||
Exact match “CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 23 | 35 contacts → | ||||
Exact match “Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 24 | 34 contacts → | ||||
Exact match “Cleangrad’s headquarter and production facilities are located in the north-eastern part of Slovenia.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 25 | 29 contacts → | ||||
Exact match “Founded in 1996, ABN Cleanroom Technology is a Belgium-based cleanroom specialist supplying high-quality cleanroom solutions across Europe.” Recorded in the RevenueBase company graph · Oct 23, 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 “cleanroom testing & certification 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 637 cleanroom testing & certification services worldwide
See the full list, filter by size, metro and specialty, and access 1,145 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleanroom testing & certification services worldwide at a glance
As of Oct 23, 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 cleanroom testing & certification services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “cleanroom testing & certification services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,145 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 October 23, 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.
Cleanroom testing & certification services by location
4 lists · largest firstEvery Cleanroom testing & certification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cleanroom testing & certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleanroom testing & certification services are there worldwide?
RevenueBase identified 637 company matches for cleanroom testing & certification services worldwide as of October 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?
Azzur Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most cleanroom testing & certification services?
The United States leads with 122 companies, followed by India (71) and Germany (39). Every cleanroom testing & certification services list by country and city is linked on this page.
Which city has the most cleanroom testing & certification services?
Hyderabad leads with 7 company records, followed by New Delhi (7) and Ahmedabad (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,145 professional contacts with verified work emails tracked across these 637 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 October 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 637 cleanroom testing & certification services 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 cleanroom testing & certification 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 637 matching company records for cleanroom testing & certification services worldwide, with 5,293 tracked contacts and 1,145 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: October 23, 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 cleanroom testing & certification 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 |  Azzur Groupchrysalisgxp.comHQ: Burlington, MA, United StatesReported employees: 51-200 | Burlington, MA, United States | 51-200 | Exact match | 193 contacts → |
“Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Franz Ziel Gmbhziel-gmbh.comHQ: Billerbeck, GermanyReported employees: 201-500 | Billerbeck, Germany | 201-500 | Exact match | 105 contacts → |
“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cleanspacecleanspaceus.comHQ: Fort Washington, PA, United StatesReported employees: 501-1,000 | Fort Washington, PA, United States | 501-1,000 | Exact match | 94 contacts → |
“CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Interflowinterflow.nlHQ: Wieringerwerf, United StatesReported employees: 51-200 | Wieringerwerf, United States | 51-200 | Exact match | 89 contacts → |
“Als dé specialist in contaminatievrije ruimtes draait het bij Interflow allemaal om schone lucht in productieomgevingen met als doel product- en persoonsbescherming te bieden.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BLOCKblockcrs.cz HQ: Valasske Mezirici, CzechiaReported employees: 201-500 | Valasske Mezirici, Czechia | 201-500 | Exact match | 89 contacts → |
“BLOCK makes sure that the pioneers of biotech, pharmaceuticals, healthcare, and microelectronics have the best environment to change the world.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Advanced Cleanroom Microclean ACMadvancedcleanroom.comHQ: Santa Ana, CA, United StatesReported employees: 501-1,000 | Santa Ana, CA, United States | 501-1,000 | Exact match | 82 contacts → |
“Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dyna Filters Pvt. LTDdynafilters.comHQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 79 contacts → |
“Established in 1982, Dyna is an industrial air filtration and turnkey cleanroom projects company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Uniclean Cleanroom Servicesuniclean.comHQ: Maplewood, NJ, United StatesReported employees: 5,001-10,000 | Maplewood, NJ, United States | 5,001-10,000 | Exact match | 71 contacts → |
“Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  VTI Life Sciencesvalidation.orgHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 62 contacts → |
“VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Gauteng, South AfricaReported employees: 11-50 | Gauteng, South Africa | 11-50 | Exact match | 55 contacts → |
“Established in 1986 as the premier HEPA filter certification company specializing in manufacturing, supplying, installing, testing and maintaining specialist diagnostic…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Lucky Deep Cleanroom Pvt. LTDluckydeep.comHQ: Ambad Midc, IndiaReported employees: 51-200 | Ambad Midc, India | 51-200 | Exact match | 53 contacts → |
“With over 23 years of experience in HVAC Cleanroom cross contamination Control, Lucky Deep is a group of firms with Indian roots.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MRC Cleanroom Systemsmrc-cleanrooms.com HQ: Dubai, United Arab EmiratesReported employees: 201-500 | Dubai, United Arab Emirates | 201-500 | Exact match | 50 contacts → |
“Established in 1981, MRC Systems is committed to providing cleanroom products and installations to the highest quality to our clients in the pharmaceutical, healthcare, aerospace…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Qsgroup SRLqsgroup.it HQ: Barlassina, ItalyReported employees: 11-50 | Barlassina, Italy | 11-50 | Exact match | 49 contacts → |
“OUR TEAM: We are an Italian company with innovation at its core, operating in Italy and Europe.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Icheon-si, South KoreaReported employees: 201-500 | Icheon-si, South Korea | 201-500 | Exact match | 49 contacts → |
“QRT is a leading-edge solution provider in reliability testing and failure analysis.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Prudential Ampri Cleanroom Services Sdn. BHDpacs-cleanroom.com HQ: Batang Kali, MalaysiaReported employees: 51-200 | Batang Kali, Malaysia | 51-200 | Exact match | 47 contacts → |
“Our core business is to provide contamination control products and services to cleanroom customers in various industries such as the microelectronics, pharmaceutical…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ultra Shineultrashine.comHQ: Edmonton, AB, CanadaReported employees: 501-1,000 | Edmonton, AB, Canada | 501-1,000 | Exact match | 44 contacts → |
“Ultra Shine specializes in technical and critical cleaning.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  MK Metalfreemk-versuchsanlagen.deHQ: Mücke, GermanyReported employees: 201-500 | Mücke, Germany | 201-500 | Exact match | 43 contacts → |
“Since 1988, MK Versuchsanlagen GmbH & Co.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Eirdataeirdata.ie HQ: Limerick, IrelandReported employees: 11-50 | Limerick, Ireland | 11-50 | Exact match | 42 contacts → |
“Compliance Experts in Critical Airflow Environments.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AVA Engenhariaava.eng.br HQ: Jacareí, BrazilReported employees: 11-50 | Jacareí, Brazil | 11-50 | Exact match | 41 contacts → |
“A AVA Engenharia é uma empresa que está no mercado de Salas Limpas e Ambientes Controlado, desde 2015, aliando experiência ao desenvolvimento do mercado.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Royal Impact Certification Limitedricliso.com HQ: Noida, IndiaReported employees: 51-200 | Noida, India | 51-200 | Exact match | 39 contacts → |
“Royal Impact Certification Limited (RICL) is a leading certification, training, inspection & testing service provider in India.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Connect 2 Cleanrooms & Cleanroomshopconnect2cleanrooms.comHQ: Lancaster, United KingdomReported employees: 11-50 | Lancaster, United Kingdom | 11-50 | Exact match | 35 contacts → |
“With trusted solutions, proven expertise, and everything you need from one reliable source, we take the complexity out of cleanroom ownership.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cleancontrollingcleancontrolling.de HQ: Emmingen-liptingen, GermanyReported employees: 51-200 | Emmingen-liptingen, Germany | 51-200 | Exact match | 35 contacts → |
“CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Applus Keystonekeystonecompliance.com HQ: New Castle, PA, United StatesReported employees: 11-50 | New Castle, PA, United States | 11-50 | Exact match | 35 contacts → |
“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cleangradcleangrad.si HQ: Ljutomer, SloveniaReported employees: 51-200 | Ljutomer, Slovenia | 51-200 | Exact match | 34 contacts → |
“Cleangrad’s headquarter and production facilities are located in the north-eastern part of Slovenia.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ABN Cleanroom Technology NVabn-cleanroomtechnology.comHQ: Munsterbilzen, BelgiumReported employees: 11-50 | Munsterbilzen, Belgium | 11-50 | Exact match | 29 contacts → |
“Founded in 1996, ABN Cleanroom Technology is a Belgium-based cleanroom specialist supplying high-quality cleanroom solutions across Europe.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 637 company matches
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Cleanroom testing & certification services: dataset insights
October 23, 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
634 records in the displayed employee bands.
3 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 637 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: October 23, 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 ↗
Cleanroom testing & certification services by location
4 lists · largest firstEvery Cleanroom testing & certification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for cleanroom testing & certification 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 cleanroom testing & certification services did RevenueBase find worldwide?
The saved snapshot records 637 matching company records, 5,293 tracked contacts and 1,145 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: October 23, 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 cleanroom testing & certification services worldwide. Snapshot: October 23, 2026. https://revenuebase.ai/companies/browse/cleanroom-testing-certification-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 cleanroom testing & certification services worldwide
RevenueBase records 637 matching company records for cleanroom testing & certification services worldwide, with 5,293 tracked contacts and 1,145 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: October 23, 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 cleanroom testing & certification 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 | Azzur Groupchrysalisgxp.com HQ: Burlington, MA, United StatesReported employees: 51-200 | Burlington, MA, United States | 51-200 | Exact match | 193 contacts → |
“Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Franz Ziel Gmbhziel-gmbh.com HQ: Billerbeck, GermanyReported employees: 201-500 | Billerbeck, Germany | 201-500 | Exact match | 105 contacts → |
“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cleanspacecleanspaceus.com HQ: Fort Washington, PA, United StatesReported employees: 501-1,000 | Fort Washington, PA, United States | 501-1,000 | Exact match | 94 contacts → |
“CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Interflowinterflow.nl HQ: Wieringerwerf, United StatesReported employees: 51-200 | Wieringerwerf, United States | 51-200 | Exact match | 89 contacts → |
“Als dé specialist in contaminatievrije ruimtes draait het bij Interflow allemaal om schone lucht in productieomgevingen met als doel product- en persoonsbescherming te bieden.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BLOCKblockcrs.cz HQ: Valasske Mezirici, CzechiaReported employees: 201-500 | Valasske Mezirici, Czechia | 201-500 | Exact match | 89 contacts → |
“BLOCK makes sure that the pioneers of biotech, pharmaceuticals, healthcare, and microelectronics have the best environment to change the world.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Advanced Cleanroom Microclean ACMadvancedcleanroom.com HQ: Santa Ana, CA, United StatesReported employees: 501-1,000 | Santa Ana, CA, United States | 501-1,000 | Exact match | 82 contacts → |
“Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dyna Filters Pvt. LTDdynafilters.com HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 79 contacts → |
“Established in 1982, Dyna is an industrial air filtration and turnkey cleanroom projects company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Uniclean Cleanroom Servicesuniclean.com HQ: Maplewood, NJ, United StatesReported employees: 5,001-10,000 | Maplewood, NJ, United States | 5,001-10,000 | Exact match | 71 contacts → |
“Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | VTI Life Sciencesvalidation.org HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 62 contacts → |
“VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Gauteng, South AfricaReported employees: 11-50 | Gauteng, South Africa | 11-50 | Exact match | 55 contacts → |
“Established in 1986 as the premier HEPA filter certification company specializing in manufacturing, supplying, installing, testing and maintaining specialist diagnostic…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Lucky Deep Cleanroom Pvt. LTDluckydeep.com HQ: Ambad Midc, IndiaReported employees: 51-200 | Ambad Midc, India | 51-200 | Exact match | 53 contacts → |
“With over 23 years of experience in HVAC Cleanroom cross contamination Control, Lucky Deep is a group of firms with Indian roots.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MRC Cleanroom Systemsmrc-cleanrooms.com HQ: Dubai, United Arab EmiratesReported employees: 201-500 | Dubai, United Arab Emirates | 201-500 | Exact match | 50 contacts → |
“Established in 1981, MRC Systems is committed to providing cleanroom products and installations to the highest quality to our clients in the pharmaceutical, healthcare, aerospace…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Qsgroup SRLqsgroup.it HQ: Barlassina, ItalyReported employees: 11-50 | Barlassina, Italy | 11-50 | Exact match | 49 contacts → |
“OUR TEAM: We are an Italian company with innovation at its core, operating in Italy and Europe.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Icheon-si, South KoreaReported employees: 201-500 | Icheon-si, South Korea | 201-500 | Exact match | 49 contacts → |
“QRT is a leading-edge solution provider in reliability testing and failure analysis.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Prudential Ampri Cleanroom Services Sdn. BHDpacs-cleanroom.com HQ: Batang Kali, MalaysiaReported employees: 51-200 | Batang Kali, Malaysia | 51-200 | Exact match | 47 contacts → |
“Our core business is to provide contamination control products and services to cleanroom customers in various industries such as the microelectronics, pharmaceutical…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ultra Shineultrashine.com HQ: Edmonton, AB, CanadaReported employees: 501-1,000 | Edmonton, AB, Canada | 501-1,000 | Exact match | 44 contacts → |
“Ultra Shine specializes in technical and critical cleaning.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | MK Metalfreemk-versuchsanlagen.de HQ: Mücke, GermanyReported employees: 201-500 | Mücke, Germany | 201-500 | Exact match | 43 contacts → |
“Since 1988, MK Versuchsanlagen GmbH & Co.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Eirdataeirdata.ie HQ: Limerick, IrelandReported employees: 11-50 | Limerick, Ireland | 11-50 | Exact match | 42 contacts → |
“Compliance Experts in Critical Airflow Environments.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AVA Engenhariaava.eng.br HQ: Jacareí, BrazilReported employees: 11-50 | Jacareí, Brazil | 11-50 | Exact match | 41 contacts → |
“A AVA Engenharia é uma empresa que está no mercado de Salas Limpas e Ambientes Controlado, desde 2015, aliando experiência ao desenvolvimento do mercado.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Royal Impact Certification Limitedricliso.com HQ: Noida, IndiaReported employees: 51-200 | Noida, India | 51-200 | Exact match | 39 contacts → |
“Royal Impact Certification Limited (RICL) is a leading certification, training, inspection & testing service provider in India.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Connect 2 Cleanrooms & Cleanroomshopconnect2cleanrooms.com HQ: Lancaster, United KingdomReported employees: 11-50 | Lancaster, United Kingdom | 11-50 | Exact match | 35 contacts → |
“With trusted solutions, proven expertise, and everything you need from one reliable source, we take the complexity out of cleanroom ownership.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cleancontrollingcleancontrolling.de HQ: Emmingen-liptingen, GermanyReported employees: 51-200 | Emmingen-liptingen, Germany | 51-200 | Exact match | 35 contacts → |
“CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Applus Keystonekeystonecompliance.com HQ: New Castle, PA, United StatesReported employees: 11-50 | New Castle, PA, United States | 11-50 | Exact match | 35 contacts → |
“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cleangradcleangrad.si HQ: Ljutomer, SloveniaReported employees: 51-200 | Ljutomer, Slovenia | 51-200 | Exact match | 34 contacts → |
“Cleangrad’s headquarter and production facilities are located in the north-eastern part of Slovenia.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ABN Cleanroom Technology NVabn-cleanroomtechnology.com HQ: Munsterbilzen, BelgiumReported employees: 11-50 | Munsterbilzen, Belgium | 11-50 | Exact match | 29 contacts → |
“Founded in 1996, ABN Cleanroom Technology is a Belgium-based cleanroom specialist supplying high-quality cleanroom solutions across Europe.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 637 company matches
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Cleanroom testing & certification services: dataset insights
October 23, 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
634 records in the displayed employee bands.
3 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 637 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: October 23, 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 ↗
Cleanroom testing & certification services by location
4 lists · largest firstEvery Cleanroom testing & certification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for cleanroom testing & certification 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 cleanroom testing & certification services did RevenueBase find worldwide?
The saved snapshot records 637 matching company records, 5,293 tracked contacts and 1,145 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: October 23, 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
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Cite this list
RevenueBase Data Team. Top 25 cleanroom testing & certification services worldwide. Snapshot: October 23, 2026. https://revenuebase.ai/companies/browse/cleanroom-testing-certification-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗