Company lists · Data refreshed August 2026
Top 25 Cleanroom staffing worldwide
RevenueBase identified 602 cleanroom staffing worldwide as of August 2026 and tracks 7,342 professional contacts across them, including 1,904 with verified work emails and 1,084 with mobile numbers. The United States is the largest market and Hyderabad the largest hub.
This list covers cleanroom staffing 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 August 31, 2026. Country and city lists for cleanroom staffing 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 staffing worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 306 contacts → | ||||
Indirect evidence “Designing and building clean indoor climates for critical manufacturing industries like Pharmaceutical, Food, Automotive, Electronics, and others, ACES has innovated its way to…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 2 | 281 contacts → | ||||
Indirect evidence “Largest Company in India for Clean Rooms on Turnkey Basis catering to requirements of Pharmaceuticals, Semionductor, Food & Beverage and Research Laboratories.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 3 | 249 contacts → | ||||
Indirect evidence “Dr.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 4 | 224 contacts → | ||||
Partial evidence “Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 5 | 195 contacts → | ||||
Partial evidence “Brilliant General Maintenance, Inc excels in delivering top-tier janitorial services for commercial spaces, including cleanrooms, office buildings, manufacturing facilities, and…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 7 | 159 contacts → | ||||
Partial evidence “TURNKEY SOLUTIONS FOR CLEANROOM FACILITIES AND PROCESS LINES AIRPLAN is a modular cleanroom and process solutions integrator.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 8 | 138 contacts → | ||||
Indirect evidence “Germfree provides controlled aseptic environments as well as primary and secondary containment to serve the rigorous demands of our clients.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 9 | 103 contacts → | ||||
Partial evidence “Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 10 | 101 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 11 | 95 contacts → | ||||
Indirect evidence “STERIGENE est une entreprise d'ingénierie des procédés propres et stériles dont les différentes activités consistent toujours, après l'écoute de ses clients, à concevoir, réaliser…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 12 | 91 contacts → | ||||
Partial evidence “Albian is the specialist in Global Solutions for Bio-Pharmaceutical Processes, Controlled Critical Environments, and Cleanrooms for the pharmaceutical, biotechnological, and…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 13 | 85 contacts → | ||||
Partial evidence “CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 14 | 85 contacts → | ||||
Partial evidence “AdvanceTEC is the leader in cleanroom design, construction, off-site prefabrication, and modularization.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 15 | 84 contacts → | ||||
Partial evidence “Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 16 | 78 contacts → | ||||
Partial evidence “G-CON Manufacturing, Inc.’s prefabricated, turnkey cleanroom systems represent a significant transition to forward thinking in pharmaceutical and biopharmaceutical processing.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 17 | 78 contacts → | ||||
Indirect evidence “Empresa especializada en el diseño, ejecución y mantenimiento de áreas críticas que ofrece soluciones integrales en tecnología clean room para el sector Life Science, Healthcare y…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 18 | 78 contacts → | ||||
Partial evidence “Established in 1982, Dyna is an industrial air filtration and turnkey cleanroom projects company.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 20 | 72 contacts → | ||||
Partial evidence “Dastex Group is an international supplier of cleanroom apparel, cleaning materials, and consumables for contamination-controlled environments.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 22 | 63 contacts → | ||||
Indirect evidence “EREA Clean Air Systems offers a complete range of isolators, laminar flows, safety cabinets, weighing stations, transfer trolleys equipped with LAF (Laminar Air Flow), in general…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 23 | 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 Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 25 | 48 contacts → | ||||
Partial evidence “Sterile Environment Technologies is a commercial datacenter cleaning, cleanroom cleaning, maintenance, products and services company, offering Nationwide service and specializing…” Source: RevenueBase Database · checked Aug 31, 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 staffing. 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 staffing.
- Partial evidence
- Its own public description names part of cleanroom staffing, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cleanroom staffing. 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 602 cleanroom staffing worldwide
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Cleanroom staffing worldwide at a glance
As of Aug 31, 2026Companies by employee count
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 staffing, 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
- 7 countries, largest first: the United States, India, Germany, the United Kingdom, France, the Netherlands, Spain. Country and city lists for cleanroom staffing are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “cleanroom staffing”. 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 staffing), 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 staffing, 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, 1,904 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 between August 31, 2026 and September 14, 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 staffing by location
7 lists · largest firstEvery Cleanroom staffing 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 staffing, 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 staffing are there worldwide?
RevenueBase identified 602 cleanroom staffing worldwide as of August 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?
Avant Garde Cleanroom & Engg. Solutions Pvt. LTD, headquartered in New Delhi, tops this list with the largest team on record.
Which country has the most cleanroom staffing?
The United States leads with 222 companies, followed by India (162) and Germany (68). Every cleanroom staffing list by country and city is linked on this page.
Which city has the most cleanroom staffing?
Hyderabad leads with 21 headquartered companies, followed by Bangalore (10) and Mumbai (10).
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 1,904 verified decision-maker contacts tracked across these 602 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between August 31, 2026 and September 14, 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.