Company lists · Data refreshed September 2026

Top 25 Cleanroom manufacturers worldwide

Name: Cleanroom manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 3,109 companies tracked

RevenueBase identified 3,109 cleanroom manufacturers worldwide as of September 2026 and tracks 38,623 professional contacts across them, including 10,745 with verified work emails. The United States is the largest market and Hyderabad the largest hub.

This list covers cleanroom manufacturers 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 30, 2026. Country and city lists for cleanroom manufacturers 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

3,109Companies

38,623Contacts tracked

10,745Verified emails

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The 25 largest cleanroom manufacturers worldwide

Ranked by team size

Top 25 of 3,109 cleanroom manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to cleanroom manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SKAN	Partial evidence	Allschwil, SwitzerlandHQ checked Sep 30, 2026	1,001-5,000	966 contacts →
	Partial evidence “SKAN is a Swiss company and a global market and technological leader for isolators, cleanroom devices, and decontamination processes for the aseptic production of…” Source: RevenueBase Database · checked Sep 30, 2026
2	Flexituff Ventures International LTD	Partial evidence	Pithampur, IndiaHQ checked Sep 30, 2026	5,001-10,000	610 contacts →
	Partial evidence “World's Largest Clean Room FIBC Manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026
3	Kewaunee Scientific Corp	Indirect evidence	Statesville, NC, United StatesHQ checked Sep 30, 2026	501-1,000	426 contacts →
	Indirect evidence “Kewaunee Scientific Corporation, founded in 1906, carries a lasting legacy of design, engineering, and manufacturing excellence.” Source: RevenueBase Database · checked Sep 30, 2026
4	Contec, INC	Partial evidence	Spartanburg, SC, United StatesHQ checked Sep 30, 2026	501-1,000	422 contacts →
	Partial evidence “At Contec, we are more than just a manufacturer; we are a trusted partner in maintaining the highest standards of cleanliness and hygiene in mission-critical environments.” Source: RevenueBase Database · checked Sep 30, 2026
5	Brycon	Partial evidence	Rio Rancho, NM, United StatesHQ checked Sep 30, 2026	501-1,000	383 contacts →
	Partial evidence “Brycon was founded on June 1, 1990, in New Mexico to fit a market need for specialized cleanroom construction.” Source: RevenueBase Database · checked Sep 30, 2026
6	Steelco Group	Indirect evidence	Riese Pio X, ItalyHQ checked Sep 30, 2026	501-1,000	345 contacts →
	Indirect evidence “Steelco Group is now part of SteelcoBelimed.” Source: RevenueBase Database · checked Sep 30, 2026
7	Avant Garde Cleanroom & Engg. Solutions Pvt. LTD	Indirect evidence	New Delhi, IndiaHQ checked Sep 30, 2026	501-1,000	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 Sep 30, 2026
8	Integrated Cleanroom Technologies Limited	Indirect evidence	Hyderabad, IndiaHQ checked Sep 30, 2026	501-1,000	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 Sep 30, 2026
9	Controlled Contamination Services	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	253 contacts →
	Indirect evidence “Controlled Contamination Services is the leading provider of enterprise solutions for the pharmaceutical, biotech, medical device, electronic, data center, semiconductor…” Source: RevenueBase Database · checked Sep 30, 2026
10	Valtria	Partial evidence	Madrid, SpainHQ checked Sep 30, 2026	201-500	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 30, 2026
11	Exyte Central Europe Gmbh	Indirect evidence	Beveren, BelgiumHQ checked Sep 30, 2026	501-1,000	224 contacts →
	Indirect evidence “The manufacturing processes of our clients are subject to high standards and require our expertise in controlled and regulated environments.” Source: RevenueBase Database · checked Sep 30, 2026
12	Azzur Group	Partial evidence	Burlington, MA, United StatesHQ checked Sep 30, 2026	51-200	224 contacts →
	Partial evidence “Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Source: RevenueBase Database · checked Sep 30, 2026
13	Klimaoprema D.O.O	Strong evidence	Samobor, CroatiaHQ checked Sep 30, 2026	501-1,000	212 contacts →
	Strong evidence “Klimaoprema is an experienced and certified manufacturer of high-quality HVAC equipment and CLEANROOM technology as well as an engineering company providing turnkey projects in…” Source: RevenueBase Database · checked Sep 30, 2026
14	Labconco Corporation	Partial evidence	Kansas City, MO, United StatesHQ checked Sep 30, 2026	201-500	210 contacts →
	Partial evidence “Serving the scientific community since 1925, Labconco Corporation manufactures laboratory equipment, specializing in ventilation products such as chemical fume hoods and blowers…” Source: RevenueBase Database · checked Sep 30, 2026
15	Citizen Industries Private Limited, A Member Of Daikin Group	Indirect evidence	Ahmedabad, IndiaHQ checked Sep 30, 2026	501-1,000	202 contacts →
	Indirect evidence “Citizen Industries P.” Source: RevenueBase Database · checked Sep 30, 2026
16	Klenzaids	Partial evidence	Mumbai, IndiaHQ checked Sep 30, 2026	201-500	201 contacts →
	Partial evidence “Klenzaids manufactures benchmark Aseptic, Bioclean and Containment equipment which are elemental to plants established by the pharmaceutical, biological, life science, healthcare…” Source: RevenueBase Database · checked Sep 30, 2026
17	Binder Gmbh	Indirect evidence	Tuttlingen, GermanyHQ checked Sep 30, 2026	201-500	192 contacts →
	Indirect evidence “BINDER - Best conditions for your success.” Source: RevenueBase Database · checked Sep 30, 2026
18	AES Cleanroom Technology	Strong evidence	Montgomeryville, PA, United StatesHQ checked Sep 30, 2026	201-500	189 contacts →
	Strong 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 30, 2026
19	Brilliant General Maintenance, INC	Partial evidence	San Jose, CA, United StatesHQ checked Sep 30, 2026	1,001-5,000	189 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 Sep 30, 2026
20	BASX	Partial evidence	Redmond, OR, United StatesHQ checked Sep 30, 2026	501-1,000	187 contacts →
	Partial evidence “BASX is an industry leader in the manufacturing of high efficiency data center cooling solutions, cleanroom systems, custom HVAC systems and modular solutions.” Source: RevenueBase Database · checked Sep 30, 2026
21	Dagard	Partial evidence	Boussac, FranceHQ checked Sep 30, 2026	201-500	185 contacts →
	Partial evidence “Manufacturer of innovative solutions since 1951 and leading French manufacturer of modular panels, DAGARD produces, distributes, and installs a wide range of modular cold rooms…” Source: RevenueBase Database · checked Sep 30, 2026
22	Medbio, LLC	Partial evidence	Grand Rapids, MI, United StatesHQ checked Sep 30, 2026	201-500	175 contacts →
	Partial evidence “Medbio is an ISO 13485:2016 certified, FDA registered contract manufacturer offering innovative manufacturing solutions for the medical device and biotech industries.” Source: RevenueBase Database · checked Sep 30, 2026
23	Ecolab Life Sciences	Partial evidence	St. Paul, MN, United StatesHQ checked Sep 30, 2026	201-500	163 contacts →
	Partial evidence “Ecolab Life Sciences offers unparalleled cleaning and advanced contamination control expertise to pharmaceutical and personal care manufacturers across the globe.” Source: RevenueBase Database · checked Sep 30, 2026
24	Airplan	Partial evidence	Sant Fruitós De Bages, MexicoHQ checked Sep 30, 2026	51-200	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 30, 2026
25	Espec North America	Partial evidence	Hudsonville, MI, United StatesHQ checked Sep 30, 2026	51-200	155 contacts →
	Partial evidence “ESPEC North America builds quality test chambers in the United States as part of the ESPEC Group, which is the largest organizations solely dedicated to the manufacture of…” Source: RevenueBase Database · checked Sep 30, 2026

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 manufacturers. 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 manufacturers.
Partial evidence: Its own public description names part of cleanroom manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cleanroom manufacturers. 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 3,109 cleanroom manufacturers worldwide

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Cleanroom manufacturers worldwide at a glance

As of Sep 30, 2026

27.8%Verified-email coverage

12.4Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Hyderabad

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

972

11-50

1,150

51-200

681

201-500

192

501-1,000

1,001-5,000

5,001-10,000

10001+

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 manufacturers, 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 manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “cleanroom manufacturers”. 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 manufacturers), 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 manufacturers, 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, 10,745 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 30, 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 manufacturers by location

18 lists · largest first

Every Cleanroom manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Cleanroom manufacturers based in Bangalore, India30

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 manufacturers, 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 manufacturers are there worldwide?

RevenueBase identified 3,109 cleanroom manufacturers 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?

SKAN, headquartered in Allschwil, tops this list with the largest team on record.

Which country has the most cleanroom manufacturers?

The United States leads with 502 companies, followed by India (472) and the United Kingdom (176). Every cleanroom manufacturers list by country and city is linked on this page.

Which city has the most cleanroom manufacturers?

Hyderabad leads with 41 headquartered companies, followed by Mumbai (36) and Bangalore (31).

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 10,745 verified decision-maker contacts tracked across these 3,109 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 30, 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.