Company lists · Data verified August 2026
Top 25 Cleanroom staffing based in Germany
There are 68 cleanroom staffing headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 655 professional contacts across them, including 276 with verified work emails and 9 with mobile numbers. Berlin is the largest hub.
This list covers cleanroom staffing headquartered in Germany, 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 25 largest cleanroom staffing based in Germany
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  CRC Hi-Tec Engineering | 75 |
| 2 |  Dastex Group Gmbh | 49 |
| 3 |  Daldrop Dr.Ing.Huber | 23 |
| 4 |  Clean-Tek Reinraumtechnik Gmbh | 10 |
| 5 |  Pure11 Gmbh | 22 |
| 6 |  Klmed Gmbh | 4 |
| 7 |  Schilling Engineering Gmbh | 18 |
| 8 | Viessmann Technologies - Vitec | 3 |
| 9 |  Petek Reinraumtechnik Gmbh | 4 |
| 10 |  Mcrt Micro Cleanroom Technology Gmbh | 7 |
| 11 |  CAT Clean AIR Technology Gmbh CAT Group | 10 |
| 12 |  GHK Domo Gmbh | 5 |
| 13 |  Spetec Gmbh | 2 |
| 14 |  Ap-Systems Gmbh | 6 |
| 15 |  Nerling Systemräume Gmbh | 6 |
| 16 |  Hein Reinraum Gmbh | 3 |
| 17 | Brekstar International Gmbh | 4 |
| 18 |  Reinraumtechnik ULM Gmbh | 1 |
| 19 |  Ehret Gmbh Life Science Solutions | 1 |
| 20 | Becker Reinraumtechnik Gmbh | 2 |
| 21 |  Elva-Tec Radeberger Reinraumsysteme Gmbh | 1 |
| 22 |  Sphairlab Gmbh | 1 |
| 23 | Op-Air Gmbh | 1 |
| 24 | Overlab Gmbh Reinraum- UND Laborplanung | 1 |
| 25 |  Reinraum Training Frankfurt By Cleanroom Future | 1 |
Showing 25 of 68 cleanroom staffing based in Germany
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Cleanroom staffing based in Germany at a glance
As of Aug 28, 2026Companies by employee count
Cleanroom staffing by metro
| Metro | Companies |
|---|---|
| Cleanroom staffing in Berlin | 3 |
| Cleanroom staffing in Hamburg | 3 |
| Cleanroom staffing in Braunschweig | 3 |
| Cleanroom staffing in Neckartailfingen | 3 |
| Cleanroom staffing in Dresden | 2 |
| Cleanroom staffing in Ulm | 2 |
| Cleanroom staffing in Renningen | 2 |
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 Germany.
- 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; 0 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 Germany?
There are 68 cleanroom staffing headquartered in Germany as of August 2026 (RevenueBase).
What is the largest company on this list?
CRC Hi-Tec Engineering, headquartered in Saarwellingen, tops this list with the largest team on record.
Which city has the most cleanroom staffing?
Berlin leads with 3 headquartered companies, followed by Hamburg (3) and Braunschweig (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 276 verified decision-maker contacts tracked across these 68 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.