Company lists · Data refreshed September 2026

Top 25 Cleanroom monitoring companies based in France

RevenueBase identified 65 cleanroom monitoring companies headquartered in France as of September 2026 and tracks 1,528 professional contacts across them, including 764 with verified work emails. Paris is the largest hub.

This list covers cleanroom monitoring companies 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
65Companies
1,528Contacts tracked
764Verified emails
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The 25 largest cleanroom monitoring companies based in France

Ranked by team size
Top 25 of 65 cleanroom monitoring companies 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 monitoring companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidencePoissy, FranceHQ checked Sep 19, 2026501-1,000639 contacts →

Indirect evidence

“ENVEA: Elevating Standards.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceAchères, FranceHQ checked Sep 19, 2026501-1,000237 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidencePéronne, FranceHQ checked Sep 19, 202611-5063 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
4Indirect evidenceClaix, FranceHQ checked Sep 19, 202651-20044 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
5Indirect evidenceRueil-malmaison, FranceHQ checked Sep 19, 202611-5041 contacts →

Indirect evidence

“Les enjeux d’ultra propreté des Industries de pointe sont devenus stratégiques.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceTresses, FranceHQ checked Sep 19, 202611-5031 contacts →

Indirect evidence

“Notre ADN est technique, nos solutions, pragmatiques!”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceSaint Avé, FranceHQ checked Sep 19, 202611-5031 contacts →

Indirect evidence

“Nexelec se consacre à la sécurité et à la surveillance environnementale de vos bâtiments depuis plus d’une décennie.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceParis, FranceHQ checked Sep 19, 20261-1026 contacts →

Indirect evidence

“Connaissez-vous les bons gestes pour prévenir de la contamination?”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceBallainvilliers, FranceHQ checked Sep 19, 202611-5023 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
10Partial evidenceSaclay, FranceHQ checked Sep 19, 202611-5020 contacts →

Partial evidence

“ECOMESURE is an innovative company specializing in instrumentation, connected systems and web services for environmental data monitoring and analysis.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceSainghin En Melantois, FranceHQ checked Sep 19, 202611-5020 contacts →

Indirect evidence

“Kali'air est une société du groupe Kali Environnement, spécialiste au niveau national des mesures de polluants dans l’air.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceMontesson, FranceHQ checked Sep 19, 202611-5020 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
13Indirect evidenceElancourt, FranceHQ checked Sep 19, 202611-5018 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
14Indirect evidenceNazelles-négron, FranceHQ checked Sep 19, 202651-20018 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
15Indirect evidenceMontpellier, FranceHQ checked Sep 19, 202651-20017 contacts →

Indirect evidence

“Leader européen du nettoyage ultra-propre, ECP vous propose des solutions adaptées pour le nettoyage et le conditionnement de vos pièces tout en garantissant un niveau de propreté…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceNanterre, FranceHQ checked Sep 19, 202611-5016 contacts →

Indirect evidence

“Depuis 1977, le Groupe HYGIATECH SERVICES apporte des solutions de décontamination, d’hygiène et d’expertise au travers de ses trois entités spécialisées APIE, SIPIC et CP2.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceSaint-hilaire-de-chaléons, FranceHQ checked Sep 19, 202611-5013 contacts →

Indirect evidence

“Since 2009, NatéoSanté has been helping organizations understand, manage, and sustainably improve indoor air quality.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceAmiens, FranceHQ checked Sep 19, 202611-5013 contacts →

Indirect evidence

“GEORGES LABO : Acteur majeur dans l'étude, la conception et l'installation de salles propres pour l'industrie pharmaceutique, cosmétique et le milieu hospitalier.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceNeung Sur Beuvron, FranceHQ checked Sep 19, 202611-5012 contacts →

Indirect evidence

“Vente et Location d’instruments de Métrologie : compteur de particules, biocollecteur d’air, photomètre, générateur de fumée … Validation de salles propres : test d’intégrité des…”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceBailleau-armenonville, FranceHQ checked Sep 19, 202611-508 contacts →

Indirect evidence

“La société DUFFAY est concepteur, fabricant et installateur d’ensembles et sous-ensembles pour salles blanches depuis 49 ans pour les secteurs de l’industrie pharmaceutique…”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceChampigneulles, FranceHQ checked Sep 19, 20261-108 contacts →

Indirect evidence

“En 1991, date de sa création, TECHNORAM était spécialisée dans le ramonage, nettoyage de cuves à mazout et le tubage.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceBonnat, FranceHQ checked Sep 19, 202611-507 contacts →

Indirect evidence

“MSB23 - Expert en Salles Blanches, Chambres Froides et Data Centers MSB23 est un leader dans la conception, la prescription l'étude et l’installation de salles blanches, chambres…”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceVallauris, FranceHQ checked Sep 19, 202611-506 contacts →

Indirect evidence

“Depuis plus de 20 ans, Air Data Systems accompagne les établissements de santé, laboratoires R&D, industries pharmaceutiques, électroniques, spatiales et le tertiaire dans la…”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceDourdan, FranceHQ checked Sep 19, 20261-104 contacts →

Indirect evidence

“La société PMT France, créée en a pour vocation la vente, le service et la maintenance d’instruments de mesures et de solutions associés aux particules, microorganismes et…”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceOrsay, FranceHQ checked Sep 19, 20261-104 contacts →

Partial evidence

“Created in 2012, SIA (Air Science and Engineering) is a design office (clean room, controlled atmosphere environment) Specialized in engineering and design of cleanroom and…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 65 cleanroom monitoring companies based in France

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Cleanroom monitoring companies based in France at a glance

As of Sep 19, 2026
50.0%Verified-email coverage
23.5Average contacts per company
1-10Median size (employees)
6.2%Largest-city concentration · Paris
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
25
51-200
4
501-1,000
2
1,001-5,000
1

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 65 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 monitoring companies, 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 monitoring companies”. 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 monitoring companies), 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 monitoring companies, 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, 764 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 monitoring companies, 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 monitoring companies are there based in France?

RevenueBase identified 65 cleanroom monitoring companies 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?

Envea Global, headquartered in Poissy, tops this list with the largest team on record.

Which city has the most cleanroom monitoring companies?

Paris leads with 4 headquartered companies, followed by Claix (3) and Amiens (2).

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 764 verified decision-maker contacts tracked across these 65 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.