Company lists · Data verified August 2026
Top 16 Cleanroom staffing based in France
There are 34 cleanroom staffing headquartered in France (RevenueBase, August 2026). RevenueBase tracks 535 professional contacts across them, including 216 with verified work emails and 11 with mobile numbers. Claix is the largest hub.
This list covers cleanroom staffing headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 16 largest cleanroom staffing based in France
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Sterigene | 51 |
| 2 |  EREA | 37 |
| 3 | Vêpres | 27 |
| 4 |  Conformat | 23 |
| 5 |  Euroflux SAS | 3 |
| 6 |  Climascience | 10 |
| 7 |  Lab'science | 12 |
| 8 |  Batimpro | 12 |
| 9 |  ECP | 9 |
| 10 |  Aspida | 12 |
| 11 |  Georges Labo | 4 |
| 12 |  Duffay | 5 |
| 13 |  Msb23 | 2 |
| 14 |  AIR Data Systems | 4 |
| 15 |  Science ET Ingénierie DE L AIR | 2 |
| 16 |  Exelab | 2 |
Showing 16 of 34 cleanroom staffing based in France
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Cleanroom staffing based in France at a glance
As of Aug 28, 2026Companies by employee count
Cleanroom staffing by metro
| Metro | Companies |
|---|---|
| Cleanroom staffing in Claix | 3 |
| Cleanroom staffing in Moirans | 2 |
| Cleanroom staffing in Orsay | 2 |
| Cleanroom staffing in Andrezieux-Boutheon | 2 |
| Cleanroom staffing in Amiens | 2 |
| Cleanroom staffing in Franconville | 1 |
| Cleanroom staffing in Meyzieu | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “cleanroom staffing”, with match quality audited by blind human judging, and headquartered in France.
- 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
- Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many cleanroom staffing are there based in France?
There are 34 cleanroom staffing headquartered in France as of August 2026 (RevenueBase).
What is the largest company on this list?
Sterigene, headquartered in Franconville, tops this list with the largest team on record.
Which city has the most cleanroom staffing?
Claix leads with 3 headquartered companies, followed by Moirans (2) and Orsay (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 216 verified decision-maker contacts tracked across these 34 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.