Company lists · Data refreshed September 2026

Top 25 Cleanroom service providers based in France

Name: Cleanroom service providers based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 118 companies tracked

RevenueBase identified 118 cleanroom service providers headquartered in France as of September 2026 and tracks 1,795 professional contacts across them, including 737 with verified work emails. Paris is the largest hub.

This list covers cleanroom service providers headquartered in France, 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.

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 19, 2026 86% judged on-target in blind review

118Companies

1,795Contacts tracked

737Verified emails

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The 25 largest cleanroom service providers based in France

Ranked by team size

Top 25 of 118 cleanroom service providers based in France, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to cleanroom service providers: 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	Camfil France	Indirect evidence	Colombes, FranceHQ checked Sep 19, 2026	201-500	148 contacts →
	Indirect evidence “Camfil France fait partie du groupe Camfil, leader mondial des solutions de filtration de l'air.” Source: RevenueBase Database · checked Sep 19, 2026
2	Applexion	Indirect evidence	Saint-maurice-de-beynost, FranceHQ checked Sep 19, 2026	51-200	94 contacts →
	Indirect evidence “We are committed to contribute to reduce your carbon footprint by increasing the efficiency of your daily purification process and by reducing utilities consumption such as water…” Source: RevenueBase Database · checked Sep 19, 2026
3	Sterigene	Indirect evidence	Franconville, FranceHQ checked Sep 19, 2026	51-200	89 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 Sep 19, 2026
4	NGRI	Indirect evidence	Saint-fons, FranceHQ checked Sep 19, 2026	n/a	84 contacts →
	Indirect evidence “Ultraspécialiste du Microdépoussiérage de Salles Informatiques, nous avons développé depuis 18 ans des méthodes de travail haut de gamme.” Source: RevenueBase Database · checked Sep 19, 2026
5	MTCI	Indirect evidence	Jonage, FranceHQ checked Sep 19, 2026	51-200	79 contacts →
	Indirect evidence “MTCI est une société spécialisée dans la conception et la réalisation d’installations pour les industries pharmaceutiques et cosmétiques.” Source: RevenueBase Database · checked Sep 19, 2026
6	PI Install	Indirect evidence	Montrevel-en-bresse, FranceHQ checked Sep 19, 2026	51-200	72 contacts →
	Indirect evidence “L'ingénierie et la pose de vos espaces à ambiance contrôlée Conception et installation de salles blanches, chambres froides, grandes cuisines, solutions coupe-feu et acoustiques.>…” Source: RevenueBase Database · checked Sep 19, 2026
7	EREA	Indirect evidence	Péronne, FranceHQ checked Sep 19, 2026	11-50	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 Sep 19, 2026
8	JCE Biotechnology	Indirect evidence	Hauterive, FranceHQ checked Sep 19, 2026	51-200	58 contacts →
	Indirect evidence “Forte de 30 années d’expérience dans la conception, la fabrication et la maintenance d’isolateurs sur mesure et de solutions personnalisées en isotechnie, plaçant flexibilité et…” Source: RevenueBase Database · checked Sep 19, 2026
9	Plasteurop	Indirect evidence	Vonnas, FranceHQ checked Sep 19, 2026	51-200	47 contacts →
	Indirect evidence “Founded in 1978, Plasteurop has been the commercial brand of Panelco SAS since 2004.” Source: RevenueBase Database · checked Sep 19, 2026
10	LSB LA Salle Blanche	Strong evidence	Apt, FranceHQ checked Sep 19, 2026	51-200	46 contacts →
	Strong evidence “LSB La Salle Blanche® is a company specialized in the design and build of cleanroom facilities for healthcare, pharmaceutical and laboratories sectors.” Source: RevenueBase Database · checked Sep 19, 2026
11	Vêpres	Indirect evidence	Claix, FranceHQ checked Sep 19, 2026	51-200	44 contacts →
	Indirect evidence “VÊPRES conçoit et réalise des salles blanches et salles propres pour de nombreux clients : recherche, santé, dispositifs médicaux, agroalimentaire, microélectronique, biotech…” Source: RevenueBase Database · checked Sep 19, 2026
12	Conformat	Indirect evidence	Rueil-malmaison, FranceHQ checked Sep 19, 2026	11-50	41 contacts →
	Indirect evidence “Les enjeux d’ultra propreté des Industries de pointe sont devenus stratégiques.” Source: RevenueBase Database · checked Sep 19, 2026
13	CSO	Indirect evidence	Guipavas, FranceHQ checked Sep 19, 2026	51-200	37 contacts →
	Indirect evidence “Central Sanit Ouest est une société originaire de Brest, reconnue sur tout le grand ouest de la France, dans le domaine du génie sanitaire et climatique notamment dans des…” Source: RevenueBase Database · checked Sep 19, 2026
14	Symbiose Environnement	Indirect evidence	Change, FranceHQ checked Sep 19, 2026	11-50	36 contacts →
	Indirect evidence “Distribution of mobiles Clean in Place systems form Packo, isolators for stérility testing from Eurobioconcept, services of maintenance from Decste, identification and destruction…” Source: RevenueBase Database · checked Sep 19, 2026
15	Cleansoft Services & Solutions	Indirect evidence	Aubagne, FranceHQ checked Sep 19, 2026	11-50	27 contacts →
	Indirect evidence “Cleansoft est une société spécialisée dans le Maintien des Conditions Opérationnelles de vos Infrastructures Informatiques & Télécoms et plus particulièrement dans l'Entretien, la…” Source: RevenueBase Database · checked Sep 19, 2026
16	Aspec Association	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	1-10	26 contacts →
	Indirect evidence “Connaissez-vous les bons gestes pour prévenir de la contamination?” Source: RevenueBase Database · checked Sep 19, 2026
17	Ventelis	Indirect evidence	Coueron, FranceHQ checked Sep 19, 2026	11-50	25 contacts →
	Indirect evidence “Ventelis, votre partenaire en génie climatique!” Source: RevenueBase Database · checked Sep 19, 2026
18	Euroflux SAS	Indirect evidence	Ballainvilliers, FranceHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “EUROFLUX réalise l’étude, la conception, l’installation et la validation de salles blanches et équipements pour la maîtrise de l’aérobiocontamination (flux unidirectionnels…” Source: RevenueBase Database · checked Sep 19, 2026
19	AIR Quality Process	Indirect evidence	Artix, FranceHQ checked Sep 19, 2026	11-50	22 contacts →
	Indirect evidence “For over 30 years, Air Quality Process has been designing and installing tailored air conditioning units that satisfy the most stringent hygiene requirements.” Source: RevenueBase Database · checked Sep 19, 2026
20	ADDD	Indirect evidence	Montesson, FranceHQ checked Sep 19, 2026	11-50	20 contacts →
	Indirect evidence “est une société spécialisée dans les services liés à la maîtrise de la qualité de l’air (audit, diagnostic, mise en propreté des réseaux,etc.) Nous travaillons dans les secteurs…” Source: RevenueBase Database · checked Sep 19, 2026
21	Climascience	Indirect evidence	Les Ulis, FranceHQ checked Sep 19, 2026	11-50	19 contacts →
	Indirect evidence “Spécialisé dans l’étude, la réalisation et la maintenance d’environnements contrôlés (salle propre ISO4 à ISO8 et laboratoires P2 à P4), Climascience cultive une approche clés en…” Source: RevenueBase Database · checked Sep 19, 2026
22	Airinspace	Indirect evidence	Elancourt, FranceHQ checked Sep 19, 2026	11-50	18 contacts →
	Indirect evidence “We provide our customers with expertise, audit and smart solutions to control contamination in hospitals and critical areas.” Source: RevenueBase Database · checked Sep 19, 2026
23	Lab'science	Indirect evidence	Nazelles-négron, FranceHQ checked Sep 19, 2026	51-200	18 contacts →
	Indirect evidence “Pôle d’expertise en ingénierie et en construction d’environnements sous atmosphère contrôlée, Lab’Science est un réseau d’entreprises spécialisées dans la conception de salles…” Source: RevenueBase Database · checked Sep 19, 2026
24	Oxygen	Indirect evidence	Les Ulis, FranceHQ checked Sep 19, 2026	11-50	18 contacts →
	Indirect evidence “Oxygen, est une société Française, leader dans le domaine du Flux Laminaire et de la maîtrise de l’air propre.” Source: RevenueBase Database · checked Sep 19, 2026
25	Batimpro	Indirect evidence	Nuaillé, FranceHQ checked Sep 19, 2026	51-200	17 contacts →
	Indirect evidence “Batimpro, fabricant et installateur de Salles Propres et d'Espaces de Bureaux.” Source: RevenueBase Database · checked Sep 19, 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 service providers. 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 service providers.
Partial evidence: Its own public description names part of cleanroom service providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cleanroom service providers. 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 118 cleanroom service providers based in France

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Cleanroom service providers based in France at a glance

As of Sep 19, 2026

41.1%Verified-email coverage

15.2Average contacts per company

11-50Median size (employees)

5.9%Largest-city concentration · Paris

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 118 companies.

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 service providers, 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.
What qualifies: Companies headquartered in France whose own description of what they do matches “cleanroom service providers”. 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 service providers), 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 service providers, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
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, 737 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.

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 service providers, 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 service providers are there based in France?

RevenueBase identified 118 cleanroom service providers headquartered in France 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?

Camfil France, headquartered in Colombes, tops this list with the largest team on record.

Which city has the most cleanroom service providers?

Paris leads with 7 headquartered companies, followed by Brignais (3) and Claix (3).

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 737 verified decision-maker contacts tracked across these 118 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.