Company lists · Data refreshed November 2026

Top 25 Iso cleanroom testing services worldwide

RevenueBase identified 1,035 company matches for iso cleanroom testing services worldwide as of November 2026 and tracks 9,939 professional contacts across them, including 2,658 with verified work emails. The United States is the largest market and Hyderabad the largest hub.

This list covers company matches for iso cleanroom testing services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for iso cleanroom testing 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,035Companies
9,939Contacts tracked
2,658Verified emails
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The 25 largest iso cleanroom testing services worldwide

Ranked by team size
Top 25 of 1,035 company matches for iso cleanroom testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-500269 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAchères, FranceHQ recorded Nov 6, 2026501-1,000240 contacts →

Exact match

“IGIENAIR : Spécialiste dans la maitrise et la surveillance de la Qualité de l'Air Intérieur (QAI)!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMontgomeryville, PA, United StatesHQ recorded Nov 6, 2026201-500210 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBurlington, MA, United StatesHQ recorded Nov 6, 202651-200200 contacts →

Exact match

“Visit chrysalisgxp.com for GMP-ready cleanrooms and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWhite City, United StatesHQ recorded Nov 6, 2026201-500193 contacts →

Exact match

“When you need to monitor your cleanroom for contamination, Lighthouse is your premier solution provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSant Fruitós De Bages, FL, MexicoHQ recorded Nov 6, 202651-200164 contacts →

Exact match

“TURNKEY SOLUTIONS FOR CLEANROOM FACILITIES AND PROCESS LINES AIRPLAN is a modular cleanroom and process solutions integrator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBillerbeck, GermanyHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFreiburg, GermanyHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“CRC Clean Room Consulting GmbH - Gesellschaft für Reinraumtechnik CRC – Your premium ENGINEERING partner EPCM for Wafer-Fabs and High-Tech Facilities Du hast Freude am HI-TEC…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFort Washington, TX, United StatesHQ recorded Nov 6, 2026501-1,000102 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRichmond, NC, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“AdvanceTEC is the leader in cleanroom design, construction, off-site prefabrication, and modularization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWieringerwerf, United StatesHQ recorded Nov 6, 202651-20089 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchValasske Mezirici, CzechiaHQ recorded Nov 6, 2026201-50083 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBroken Arrow, LA, United StatesHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Air Hygiene is a national leader in stack testing, air emissions measurement, RATAs, and regulatory compliance services for industrial facilities across the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSanta Ana, NJ, United StatesHQ recorded Nov 6, 2026501-1,00077 contacts →

Exact match

“Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5077 contacts →

Exact match

“Enge Solutions was founded in 2004 focusing on the development of the complete solution for cleaning processes, implementing the ultrasound cleaning technology, chemicals…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHyderabad, IndiaHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“SAMS ADVANCED CLIMATIC TECHNOLOGIES PVT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTaoyuan City, TaiwanHQ recorded Nov 6, 2026501-1,00075 contacts →

Exact match

“LeanTeq was founded in year 2011, and we are a subsidiary of the US-listed company Enpro Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKilkenny, IrelandHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNeckartailfingen, GermanyHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“Since the company was founded in 1952 by Norbert Daldrop and Erwin Huber, we have been driven by a thirst for discovery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHeywood, United KingdomHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Envair Technology is the unified brand of Envair and Total Containment Solutions (TCS), a single source provider of next generation clean air and containment systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAmbad Midc, IndiaHQ recorded Nov 6, 202651-20058 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGauteng, South AfricaHQ recorded Nov 6, 202611-5056 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 2026201-50053 contacts →

Exact match

“Sterile Environment Technologies is a commercial datacenter cleaning, cleanroom cleaning, maintenance, products and services company, offering Nationwide service and specializing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-50052 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBarlassina, ItalyHQ recorded Nov 6, 202611-5049 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,035 iso cleanroom testing services worldwide

See the full list, filter by size, metro and specialty, and access 2,658 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso cleanroom testing services worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
9.6Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Hyderabad
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
415
11-50
376
51-200
155
201-500
45
501-1,000
15
1,001-5,000
8

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 iso cleanroom testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “iso cleanroom testing 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 2,658 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.

Iso cleanroom testing services by location

6 lists · largest first

Every Iso cleanroom testing 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 “iso cleanroom testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso cleanroom testing services are there worldwide?

RevenueBase identified 1,035 company matches for iso cleanroom testing services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Valtria tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most iso cleanroom testing services?

The United States leads with 182 companies, followed by India (114) and Germany (60). Every iso cleanroom testing services list by country and city is linked on this page.

Which city has the most iso cleanroom testing services?

Hyderabad leads with 15 company records, followed by Ahmedabad (10) and Singapore (9).

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 2,658 professional contacts with verified work emails tracked across these 1,035 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.