Company lists · Data refreshed September 2026
Top 25 Cleanroom certification services worldwide
RevenueBase identified 706 cleanroom certification services worldwide as of September 2026 and tracks 6,556 professional contacts across them, including 1,660 with verified work emails. The United States is the largest market and Hyderabad the largest hub.
This list covers cleanroom certification services worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for cleanroom certification services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 certification services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 249 contacts → | ||||
Partial evidence “Valtria is a project which began as a meeting point between engineers and managers with extensive experience in the design and installation of cleanrooms and controlled…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 224 contacts → | ||||
Partial evidence “Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 189 contacts → | ||||
Partial evidence “The leader in Modular Cleanroom Systems AES is the leader in design, construction, and manufacture of modular cleanroom systems and custom cleanroom equipment for life science and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 163 contacts → | ||||
Partial evidence “TURNKEY SOLUTIONS FOR CLEANROOM FACILITIES AND PROCESS LINES AIRPLAN is a modular cleanroom and process solutions integrator.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 104 contacts → | ||||
Indirect evidence “BLOCK makes sure that the pioneers of biotech, pharmaceuticals, healthcare, and microelectronics have the best environment to change the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 103 contacts → | ||||
Partial evidence “Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 97 contacts → | ||||
Indirect evidence “3rd party QA/QC company” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 90 contacts → | ||||
Indirect evidence “UDEM olarak, 20 yılı aşkın tecrübemiz ile kaliteli, tarafsız ve sektöre öncülük eden uygunluk değerlendirme ve test hizmetleri sunmaktayız.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 85 contacts → | ||||
Partial evidence “CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 84 contacts → | ||||
Partial evidence “AdvanceTEC is the leader in cleanroom design, construction, off-site prefabrication, and modularization.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 84 contacts → | ||||
Indirect evidence “cGMP Validation was established in 1997 as a full service validation/compliance firm offering services for the pharmaceutical, bulk pharmaceutical, animal health, biotechnology…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 82 contacts → | ||||
Partial evidence “Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 78 contacts → | ||||
Partial evidence “Established in 1982, Dyna is an industrial air filtration and turnkey cleanroom projects company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 75 contacts → | ||||
Indirect evidence “Als dé specialist in contaminatievrije ruimtes draait het bij Interflow allemaal om schone lucht in productieomgevingen met als doel product- en persoonsbescherming te bieden.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 72 contacts → | ||||
Partial evidence “Asgard Cleanroom Solutions is a progressive cleanroom / controlled environment design and construction company established in We are the leader in Modular Cleanroom Design for the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 69 contacts → | ||||
Partial evidence “Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 66 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 55 contacts → | ||||
Indirect evidence “Since the company was founded in 1952 by Norbert Daldrop and Erwin Huber, we have been driven by a thirst for discovery.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 54 contacts → | ||||
Partial evidence “With over 23 years of experience in HVAC Cleanroom cross contamination Control, Lucky Deep is a group of firms with Indian roots.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 53 contacts → | ||||
Partial evidence “Established in 1986 as the premier HEPA filter certification company specializing in manufacturing, supplying, installing, testing and maintaining specialist diagnostic…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 48 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 47 contacts → | ||||
Indirect evidence “OUR TEAM: We are an Italian company with innovation at its core, operating in Italy and Europe.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 46 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 46 contacts → | ||||
Partial evidence “KLIMA CLEANROOM is an integrated cleanroom and controlled-environment engineering company delivering turnkey infrastructure solutions for precision manufacturing industries.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 45 contacts → | ||||
Indirect evidence “Ultra Shine specializes in technical and critical cleaning.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cleanroom certification services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cleanroom certification services.
- Partial evidence
- Its own public description names part of cleanroom certification services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cleanroom certification services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 706 cleanroom certification services worldwide
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Cleanroom certification services worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cleanroom certification services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for cleanroom certification services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “cleanroom certification services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cleanroom certification services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among cleanroom certification services, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,660 across the full list. 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 September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Cleanroom certification services by location
4 lists · largest firstEvery Cleanroom 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cleanroom certification services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many cleanroom certification services are there worldwide?
RevenueBase identified 706 cleanroom certification services worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Valtria, headquartered in Madrid, tops this list with the largest team on record.
Which country has the most cleanroom certification services?
The United States leads with 128 companies, followed by India (90) and Germany (42). Every cleanroom certification services list by country and city is linked on this page.
Which city has the most cleanroom certification services?
Hyderabad leads with 10 headquartered companies, followed by New Delhi (8) and Singapore (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,660 verified decision-maker contacts tracked across these 706 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.