Company lists · Data refreshed November 2026

Top 25 Cleanroom hvac services based in Germany

RevenueBase identified 354 company matches for cleanroom hvac services associated with Germany as of November 2026 and tracks 2,308 professional contacts across them, including 881 with verified work emails. Hamburg is the largest hub.

This list covers company matches for cleanroom hvac services 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
354Companies
2,308Contacts tracked
881Verified emails
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The 25 largest cleanroom hvac services based in Germany

Ranked by team size
Top 25 of 354 company matches for cleanroom hvac services based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMainburg, GermanyHQ recorded Nov 6, 20261,001-5,000506 contacts →

Exact match

“As a leading supplier of heating and air handling systems, we are perfectly in tune with you.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBillerbeck, GermanyHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFreiburg, GermanyHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“CRC Clean Room Consulting GmbH - Gesellschaft für Reinraumtechnik CRC – Your premium ENGINEERING partner EPCM for Wafer-Fabs and High-Tech Facilities Du hast Freude am HI-TEC…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchReiskirchen, GermanyHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Weiss Klimatechnik offers reliable climate solutions wherever people and machinery are challenged: in industrial production processes, hospitals, mobile operating tents or in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGermanyHQ recorded Nov 6, 2026501-1,00068 contacts →

Exact match

“DKA - Ihr Spezialist für kälte- und klimatechnische Anlagen seit 1953 Dresdner Kühlanlagenbau GmbH (DKA) ist mit über 500 Mitarbeiterinnen und Mitarbeitern der größte…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNeckartailfingen, GermanyHQ recorded Nov 6, 2026201-50066 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“LTG – Das Innovationsunternehmen Wir feiern ein Jahrhundert!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFrankfurt, GermanyHQ recorded Nov 6, 2026201-50047 contacts →

Exact match

“Als etabliertes Unternehmen im Bereich Luft- und Klimatechnik bietet etna Lösungen von einfachen Luft- und Klimatechnik-Anlagen für Dienstleistungs- und Industriebetriebe bis hin…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDonaueschingen, GermanyHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“The name NOVA stands for the highest quality, precision and reliability in the HVAC industry across Europe when it comes to ventilation and air conditioning: NOVA from…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRenningen, GermanyHQ recorded Nov 6, 202651-20032 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHerne, GermanyHQ recorded Nov 6, 20261,001-5,00030 contacts →

Exact match

“FläktGroup Deutschland GmbH ist ein Unternehmen der FläktGroup mit Hauptsitz in Herne, Deutschland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWutöschingen, GermanyHQ recorded Nov 6, 202651-20022 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Our range of services includes consulting, planning and execution of systems for thermal comfort and industrial air conditioning, as well as the associated installation and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHamburg, GermanyHQ recorded Nov 6, 20261-1018 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWeitefeld, GermanyHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Rox-Klimatechnik GmbH is your reliable partner for producing room and process air technology equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchFernwald-steinbach, GermanyHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Mit über 40 Jahren Expertise sind wir ein erfahrener Partner in der Gebäude, Lüftungs, Klima- und Reinraumtechnik.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFreudenberg, GermanyHQ recorded Nov 6, 2026201-50015 contacts →

Exact match

“IMMER FRISCHE LUFT Wir setzen den Standard für gesundes Raumklima.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRadolfzell, GermanyHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Sauberkeit ist nicht immer nur eine Frage des guten Geschmacks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Wir arbeiten leidenschaftlich daran die Arbeitsbedingungen in gewerblichen und industriellen Objekten sicherer und angenehmer zu machen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20014 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHeuchelheim, GermanyHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“We offer customized cleanroom solutions as e.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBad Vilbel, GermanyHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“Ihr kompetenter Partner wenn es um Kälte- und Klimatechnik geht.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchReutlingen, GermanyHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“Die ap-systems GmbH ist der qualifizierte Spezialist für Reinraumtechnik.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRheinstetten, GermanyHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Frische Luft ist unsere Mission – seit 2017.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGeorgsmarienhütte, GermanyHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“Lüftungs- und Klimatechnik vom Profi – für Industrie, Gewerbe, Büro & Privat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 354 cleanroom hvac services based in Germany

See the full list, filter by size, metro and specialty, and access 881 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cleanroom hvac services based in Germany at a glance

As of Nov 6, 2026
38.2%Verified-email coverage
6.5Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · Hamburg
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
164
11-50
105
51-200
36
201-500
7
501-1,000
3
1,001-5,000
2

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 354 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 hvac services” 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 881 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 November 6, 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.

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 hvac services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cleanroom hvac services are there based in Germany?

RevenueBase identified 354 company matches for cleanroom hvac services associated with Germany as of November 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?

Wolf Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cleanroom hvac services?

Hamburg leads with 12 company records, followed by Berlin (10) and Saarbrucken (6).

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 881 professional contacts with verified work emails tracked across these 354 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 November 6, 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 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.