Company lists · Data refreshed October 2026
Top 25 Cleanroom cleaning & maintenance companies based in Germany
RevenueBase identified 498 company matches for cleanroom cleaning & maintenance companies associated with Germany as of October 2026 and tracks 1,783 professional contacts across them, including 403 with verified work emails. Berlin is the largest hub.
This list covers company matches for cleanroom cleaning & maintenance companies associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 23, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 25 largest cleanroom cleaning & maintenance companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 105 contacts → | ||||
Exact match “Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 2 | 58 contacts → | ||||
Exact match “Since the company was founded in 1952 by Norbert Daldrop and Erwin Huber, we have been driven by a thirst for discovery.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 3 | 43 contacts → | ||||
Exact match “Since 1988, MK Versuchsanlagen GmbH & Co.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “Engineered cleaning solutions for controlled environments.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 5 | 35 contacts → | ||||
Exact match “CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Als namhaftes und international ausgerichtetes mittelständisches Unternehmen mit Hauptsitz in Renningen bei Stuttgart planen und realisieren wir moderne und leistungsfähige…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “WARUM BOGDOL?” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Viessmann Technologies, shortly Vitec, is a world class innovative high tech services provider for cleanroom, controlled area and climate solutions – from consultation, design and…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “We at Schilling Engineering GmbH support our customers in creating a process-safe cleanroom according to individual requirements - from the solution concept for particle-free…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “Gerade in der heutigen Zeit, in der Covid-19 unser Leben bestimmt, sind Hygiene & Sauberkeit von elementarer Bedeutung.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match “Entdecken Sie Ihren Partner für professionelle Reinigungsdienstleistungen!” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “Highest performance in cleaning for Semiconductor Industries” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “flavity GmbH ist ein führendes Unternehmen im Bereich der professionellen Gebäudereinigung.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “We offer customized cleanroom solutions as e.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Sauberkeit ist nicht immer nur eine Frage des guten Geschmacks.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Ob in Pharmaindustrie, Biotechnologie oder Medizintechnik, ob in Lebensmittelindustrie, Halbleiterfertigung, Mikroelektronik oder im Krankenhaus - Reinräume findet man überall.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Die CRT Cleanroom-Technology Group ist neutraler Dienstleister für Betreiber von Reinräumen und Reinraumlieferanten und gehört zur Trescal Group.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “A.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “Wussten Sie, dass ein winziges Staubkorn auf einem Mikrochip den Start einer Weltraumrakete verhindern kann?” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “Die ap-systems GmbH ist der qualifizierte Spezialist für Reinraumtechnik.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “Frische Luft ist unsere Mission – seit 2017.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 24 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “Ihr Spezialist rund um das Thema Reinraumausstattung.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cleanroom cleaning & maintenance companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 498 cleanroom cleaning & maintenance companies based in Germany
See the full list, filter by size, metro and specialty, and access 403 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleanroom cleaning & maintenance companies based in Germany at a glance
As of Oct 23, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 498 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Germany whose business descriptions match “cleanroom cleaning & maintenance companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 403 professional contacts with verified work emails across the full matched dataset. 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 October 23, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Cleanroom cleaning & maintenance companies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cleanroom cleaning & maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleanroom cleaning & maintenance companies are there based in Germany?
RevenueBase identified 498 company matches for cleanroom cleaning & maintenance companies associated with Germany as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Franz Ziel Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cleanroom cleaning & maintenance companies?
Berlin leads with 36 company records, followed by Hamburg (28) and Munich (11).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 403 professional contacts with verified work emails tracked across these 498 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 498 cleanroom cleaning & maintenance companies based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Cleanroom cleaning & maintenance companies by geography
- Cleanroom cleaning & maintenance companies based in Toronto, Canada
- Cleanroom cleaning & maintenance companies based in Hamburg, Germany
- Cleanroom cleaning & maintenance companies based in London, United Kingdom
- Cleanroom cleaning & maintenance companies based in Atlanta, United States
- Cleanroom cleaning & maintenance companies based in Chicago, United States
- Cleanroom cleaning & maintenance companies based in Dallas, United States
- Cleanroom cleaning & maintenance companies based in Houston, United States
- Cleanroom cleaning & maintenance companies based in New York, United States
- Cleanroom cleaning & maintenance companies based in San Diego, United States
- Cleanroom cleaning & maintenance companies based in Argentina
- Cleanroom cleaning & maintenance companies based in Australia
- Cleanroom cleaning & maintenance companies based in Belgium
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom cleaning & maintenance companies based in Toronto, Canada
- Cleanroom cleaning & maintenance companies based in Hamburg, Germany
- Cleanroom cleaning & maintenance companies based in London, United Kingdom
- Cleanroom cleaning & maintenance companies based in Atlanta, United States
- Cleanroom cleaning & maintenance companies based in Chicago, United States
- Cleanroom cleaning & maintenance companies based in Dallas, United States
Company intelligence · public preview
Top 25 cleanroom cleaning & maintenance companies based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 498 matching company records for cleanroom cleaning & maintenance companies based in Germany, with 1,783 tracked contacts and 403 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 23, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cleanroom cleaning & maintenance companies based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Franz Ziel Gmbhziel-gmbh.comHQ: Billerbeck, GermanyReported employees: 201-500 | Billerbeck, Germany | 201-500 | Exact match | 105 contacts → |
“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Daldrop Dr.Ing.Huberdaldrop.comHQ: Neckartailfingen, GermanyReported employees: 201-500 | Neckartailfingen, Germany | 201-500 | Exact match | 58 contacts → |
“Since the company was founded in 1952 by Norbert Daldrop and Erwin Huber, we have been driven by a thirst for discovery.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  MK Metalfreemk-versuchsanlagen.deHQ: Mücke, GermanyReported employees: 201-500 | Mücke, Germany | 201-500 | Exact match | 43 contacts → |
“Since 1988, MK Versuchsanlagen GmbH & Co.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hydroflex Group Gmbhhydroflex-group.com HQ: Buseck, GermanyReported employees: 51-200 | Buseck, Germany | 51-200 | Exact match | 37 contacts → |
“Engineered cleaning solutions for controlled environments.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cleancontrollingcleancontrolling.de HQ: Emmingen-liptingen, GermanyReported employees: 51-200 | Emmingen-liptingen, Germany | 51-200 | Exact match | 35 contacts → |
“CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clean-Tek Reinraumtechnik Gmbhclean-tek.deHQ: Renningen, GermanyReported employees: 51-200 | Renningen, Germany | 51-200 | Exact match | 32 contacts → |
“Als namhaftes und international ausgerichtetes mittelständisches Unternehmen mit Hauptsitz in Renningen bei Stuttgart planen und realisieren wir moderne und leistungsfähige…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Bogdol Gebäudemanagement Gmbhbogdol.gmbhHQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 27 contacts → |
“WARUM BOGDOL?” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Viessmann Technologies - Vitecviessmann-vitec.comHQ: Hof, GermanyReported employees: 1,001-5,000 | Hof, Germany | 1,001-5,000 | Exact match | 24 contacts → |
“Viessmann Technologies, shortly Vitec, is a world class innovative high tech services provider for cleanroom, controlled area and climate solutions – from consultation, design and…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Schilling Engineering Gmbhschillingengineering.deHQ: Wutöschingen, GermanyReported employees: 51-200 | Wutöschingen, Germany | 51-200 | Exact match | 22 contacts → |
“We at Schilling Engineering GmbH support our customers in creating a process-safe cleanroom according to individual requirements - from the solution concept for particle-free…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Menke Gebäudeservice Gmbh & Co.Kgmenke-gs.deHQ: Arnsberg, GermanyReported employees: 1,001-5,000 | Arnsberg, Germany | 1,001-5,000 | Exact match | 19 contacts → |
“Gerade in der heutigen Zeit, in der Covid-19 unser Leben bestimmt, sind Hygiene & Sauberkeit von elementarer Bedeutung.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sudermann Dienstleistungen Gmbhsudermann24.deHQ: Meinerzhagen, GermanyReported employees: 201-500 | Meinerzhagen, Germany | 201-500 | Exact match | 16 contacts → |
“Entdecken Sie Ihren Partner für professionelle Reinigungsdienstleistungen!” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Gsec Gmbhgsec-gmbh.deHQ: Radolfzell, GermanyReported employees: 11-50 | Radolfzell, Germany | 11-50 | Exact match | 14 contacts → |
“Highest performance in cleaning for Semiconductor Industries” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Flavity Gmbhflavity.deHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 13 contacts → |
“flavity GmbH ist ein führendes Unternehmen im Bereich der professionellen Gebäudereinigung.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Heuchelheim, GermanyReported employees: 51-200 | Heuchelheim, Germany | 51-200 | Exact match | 13 contacts → |
“We offer customized cleanroom solutions as e.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Petek Reinraumtechnik Gmbhpetek-cleanroom.comHQ: Radolfzell, GermanyReported employees: 11-50 | Radolfzell, Germany | 11-50 | Exact match | 13 contacts → |
“Sauberkeit ist nicht immer nur eine Frage des guten Geschmacks.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  CAT Clean AIR Technology Gmbh CAT Groupcatgmbh.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 12 contacts → |
“Ob in Pharmaindustrie, Biotechnologie oder Medizintechnik, ob in Lebensmittelindustrie, Halbleiterfertigung, Mikroelektronik oder im Krankenhaus - Reinräume findet man überall.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: D-52477 Alsdorf Und Ch-4332 Stein, GermanyReported employees: 11-50 | D-52477 Alsdorf Und Ch-4332 Stein, Germany | 11-50 | Exact match | 12 contacts → |
“Die CRT Cleanroom-Technology Group ist neutraler Dienstleister für Betreiber von Reinräumen und Reinraumlieferanten und gehört zur Trescal Group.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  A. Greitner Gebäudereinigung Service Gmbhgreitner.deHQ: Munich, GermanyReported employees: 501-1,000 | Munich, Germany | 501-1,000 | Exact match | 12 contacts → |
“A.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Spetec Gmbhspetec.deHQ: Erding, GermanyReported employees: 51-200 | Erding, Germany | 51-200 | Exact match | 10 contacts → |
“Wussten Sie, dass ein winziges Staubkorn auf einem Mikrochip den Start einer Weltraumrakete verhindern kann?” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hentrich Gmbhhentrich-gmbh.de HQ: Stadtallendorf, GermanyReported employees: 1-10 | Stadtallendorf, Germany | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Ap-Systems Gmbhap-systems.deHQ: Reutlingen, GermanyReported employees: 51-200 | Reutlingen, Germany | 51-200 | Exact match | 9 contacts → |
“Die ap-systems GmbH ist der qualifizierte Spezialist für Reinraumtechnik.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Freshair CRG Gmbhfreshair-crg.de HQ: Rheinstetten, GermanyReported employees: 11-50 | Rheinstetten, Germany | 11-50 | Exact match | 9 contacts → |
“Frische Luft ist unsere Mission – seit 2017.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | IBS Scherer Gesellschaft MIT Beschrankter Haftungibs-scherer.de HQ: Gau-bickelheim, GermanyReported employees: 51-200 | Gau-bickelheim, Germany | 51-200 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | A. Schmidt Gebäudereinigung Gmbhschmidt-gebaeudereinigung.de HQ: Essingen, GermanyReported employees: 501-1,000 | Essingen, Germany | 501-1,000 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Hein Reinraum Gmbhhein-reinraum.deHQ: Braunschweig, GermanyReported employees: 1-10 | Braunschweig, Germany | 1-10 | Exact match | 7 contacts → |
“Ihr Spezialist rund um das Thema Reinraumausstattung.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 498 company matches
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Cleanroom cleaning & maintenance companies: dataset insights
October 23, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
444 records in the displayed employee bands.
54 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 498 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 23, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cleanroom cleaning & maintenance companies by metro
Questions about this company list
What does Exact match mean for cleanroom cleaning & maintenance companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleanroom cleaning & maintenance companies did RevenueBase find based in Germany?
The saved snapshot records 498 matching company records, 1,783 tracked contacts and 403 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 23, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleanroom cleaning & maintenance companies by geography
- Cleanroom cleaning & maintenance companies based in Toronto, Canada
- Cleanroom cleaning & maintenance companies based in Hamburg, Germany
- Cleanroom cleaning & maintenance companies based in London, United Kingdom
- Cleanroom cleaning & maintenance companies based in Atlanta, United States
- Cleanroom cleaning & maintenance companies based in Chicago, United States
- Cleanroom cleaning & maintenance companies based in Dallas, United States
- Cleanroom cleaning & maintenance companies based in Houston, United States
- Cleanroom cleaning & maintenance companies based in New York, United States
- Cleanroom cleaning & maintenance companies based in San Diego, United States
- Cleanroom cleaning & maintenance companies based in Argentina
- Cleanroom cleaning & maintenance companies based in Australia
- Cleanroom cleaning & maintenance companies based in Belgium
Cite this list
RevenueBase Data Team. Top 25 cleanroom cleaning & maintenance companies based in Germany. Snapshot: October 23, 2026. https://revenuebase.ai/companies/cleanroom-cleaning-maintenance-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom cleaning & maintenance companies based in Toronto, Canada
- Cleanroom cleaning & maintenance companies based in Hamburg, Germany
- Cleanroom cleaning & maintenance companies based in London, United Kingdom
- Cleanroom cleaning & maintenance companies based in Atlanta, United States
- Cleanroom cleaning & maintenance companies based in Chicago, United States
- Cleanroom cleaning & maintenance companies based in Dallas, United States
Company intelligence · public preview
Top 25 cleanroom cleaning & maintenance companies based in Germany
RevenueBase records 498 matching company records for cleanroom cleaning & maintenance companies based in Germany, with 1,783 tracked contacts and 403 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 23, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cleanroom cleaning & maintenance companies based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Franz Ziel Gmbhziel-gmbh.com HQ: Billerbeck, GermanyReported employees: 201-500 | Billerbeck, Germany | 201-500 | Exact match | 105 contacts → |
“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Daldrop Dr.Ing.Huberdaldrop.com HQ: Neckartailfingen, GermanyReported employees: 201-500 | Neckartailfingen, Germany | 201-500 | Exact match | 58 contacts → |
“Since the company was founded in 1952 by Norbert Daldrop and Erwin Huber, we have been driven by a thirst for discovery.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MK Metalfreemk-versuchsanlagen.de HQ: Mücke, GermanyReported employees: 201-500 | Mücke, Germany | 201-500 | Exact match | 43 contacts → |
“Since 1988, MK Versuchsanlagen GmbH & Co.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hydroflex Group Gmbhhydroflex-group.com HQ: Buseck, GermanyReported employees: 51-200 | Buseck, Germany | 51-200 | Exact match | 37 contacts → |
“Engineered cleaning solutions for controlled environments.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cleancontrollingcleancontrolling.de HQ: Emmingen-liptingen, GermanyReported employees: 51-200 | Emmingen-liptingen, Germany | 51-200 | Exact match | 35 contacts → |
“CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clean-Tek Reinraumtechnik Gmbhclean-tek.de HQ: Renningen, GermanyReported employees: 51-200 | Renningen, Germany | 51-200 | Exact match | 32 contacts → |
“Als namhaftes und international ausgerichtetes mittelständisches Unternehmen mit Hauptsitz in Renningen bei Stuttgart planen und realisieren wir moderne und leistungsfähige…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Bogdol Gebäudemanagement Gmbhbogdol.gmbh HQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 27 contacts → |
“WARUM BOGDOL?” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Viessmann Technologies - Vitecviessmann-vitec.com HQ: Hof, GermanyReported employees: 1,001-5,000 | Hof, Germany | 1,001-5,000 | Exact match | 24 contacts → |
“Viessmann Technologies, shortly Vitec, is a world class innovative high tech services provider for cleanroom, controlled area and climate solutions – from consultation, design and…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Schilling Engineering Gmbhschillingengineering.de HQ: Wutöschingen, GermanyReported employees: 51-200 | Wutöschingen, Germany | 51-200 | Exact match | 22 contacts → |
“We at Schilling Engineering GmbH support our customers in creating a process-safe cleanroom according to individual requirements - from the solution concept for particle-free…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Menke Gebäudeservice Gmbh & Co.Kgmenke-gs.de HQ: Arnsberg, GermanyReported employees: 1,001-5,000 | Arnsberg, Germany | 1,001-5,000 | Exact match | 19 contacts → |
“Gerade in der heutigen Zeit, in der Covid-19 unser Leben bestimmt, sind Hygiene & Sauberkeit von elementarer Bedeutung.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sudermann Dienstleistungen Gmbhsudermann24.de HQ: Meinerzhagen, GermanyReported employees: 201-500 | Meinerzhagen, Germany | 201-500 | Exact match | 16 contacts → |
“Entdecken Sie Ihren Partner für professionelle Reinigungsdienstleistungen!” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gsec Gmbhgsec-gmbh.de HQ: Radolfzell, GermanyReported employees: 11-50 | Radolfzell, Germany | 11-50 | Exact match | 14 contacts → |
“Highest performance in cleaning for Semiconductor Industries” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Flavity Gmbhflavity.de HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 13 contacts → |
“flavity GmbH ist ein führendes Unternehmen im Bereich der professionellen Gebäudereinigung.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Heuchelheim, GermanyReported employees: 51-200 | Heuchelheim, Germany | 51-200 | Exact match | 13 contacts → |
“We offer customized cleanroom solutions as e.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Petek Reinraumtechnik Gmbhpetek-cleanroom.com HQ: Radolfzell, GermanyReported employees: 11-50 | Radolfzell, Germany | 11-50 | Exact match | 13 contacts → |
“Sauberkeit ist nicht immer nur eine Frage des guten Geschmacks.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CAT Clean AIR Technology Gmbh CAT Groupcatgmbh.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 12 contacts → |
“Ob in Pharmaindustrie, Biotechnologie oder Medizintechnik, ob in Lebensmittelindustrie, Halbleiterfertigung, Mikroelektronik oder im Krankenhaus - Reinräume findet man überall.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: D-52477 Alsdorf Und Ch-4332 Stein, GermanyReported employees: 11-50 | D-52477 Alsdorf Und Ch-4332 Stein, Germany | 11-50 | Exact match | 12 contacts → |
“Die CRT Cleanroom-Technology Group ist neutraler Dienstleister für Betreiber von Reinräumen und Reinraumlieferanten und gehört zur Trescal Group.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | A. Greitner Gebäudereinigung Service Gmbhgreitner.de HQ: Munich, GermanyReported employees: 501-1,000 | Munich, Germany | 501-1,000 | Exact match | 12 contacts → |
“A.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Spetec Gmbhspetec.de HQ: Erding, GermanyReported employees: 51-200 | Erding, Germany | 51-200 | Exact match | 10 contacts → |
“Wussten Sie, dass ein winziges Staubkorn auf einem Mikrochip den Start einer Weltraumrakete verhindern kann?” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hentrich Gmbhhentrich-gmbh.de HQ: Stadtallendorf, GermanyReported employees: 1-10 | Stadtallendorf, Germany | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Ap-Systems Gmbhap-systems.de HQ: Reutlingen, GermanyReported employees: 51-200 | Reutlingen, Germany | 51-200 | Exact match | 9 contacts → |
“Die ap-systems GmbH ist der qualifizierte Spezialist für Reinraumtechnik.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Freshair CRG Gmbhfreshair-crg.de HQ: Rheinstetten, GermanyReported employees: 11-50 | Rheinstetten, Germany | 11-50 | Exact match | 9 contacts → |
“Frische Luft ist unsere Mission – seit 2017.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | IBS Scherer Gesellschaft MIT Beschrankter Haftungibs-scherer.de HQ: Gau-bickelheim, GermanyReported employees: 51-200 | Gau-bickelheim, Germany | 51-200 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | A. Schmidt Gebäudereinigung Gmbhschmidt-gebaeudereinigung.de HQ: Essingen, GermanyReported employees: 501-1,000 | Essingen, Germany | 501-1,000 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Hein Reinraum Gmbhhein-reinraum.de HQ: Braunschweig, GermanyReported employees: 1-10 | Braunschweig, Germany | 1-10 | Exact match | 7 contacts → |
“Ihr Spezialist rund um das Thema Reinraumausstattung.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 498 company matches
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Cleanroom cleaning & maintenance companies: dataset insights
October 23, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
444 records in the displayed employee bands.
54 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 498 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 23, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cleanroom cleaning & maintenance companies by metro
Questions about this company list
What does Exact match mean for cleanroom cleaning & maintenance companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleanroom cleaning & maintenance companies did RevenueBase find based in Germany?
The saved snapshot records 498 matching company records, 1,783 tracked contacts and 403 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 23, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleanroom cleaning & maintenance companies by geography
- Cleanroom cleaning & maintenance companies based in Toronto, Canada
- Cleanroom cleaning & maintenance companies based in Hamburg, Germany
- Cleanroom cleaning & maintenance companies based in London, United Kingdom
- Cleanroom cleaning & maintenance companies based in Atlanta, United States
- Cleanroom cleaning & maintenance companies based in Chicago, United States
- Cleanroom cleaning & maintenance companies based in Dallas, United States
- Cleanroom cleaning & maintenance companies based in Houston, United States
- Cleanroom cleaning & maintenance companies based in New York, United States
- Cleanroom cleaning & maintenance companies based in San Diego, United States
- Cleanroom cleaning & maintenance companies based in Argentina
- Cleanroom cleaning & maintenance companies based in Australia
- Cleanroom cleaning & maintenance companies based in Belgium
Cite this list
RevenueBase Data Team. Top 25 cleanroom cleaning & maintenance companies based in Germany. Snapshot: October 23, 2026. https://revenuebase.ai/companies/cleanroom-cleaning-maintenance-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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