Company lists · Data refreshed September 2026
Top 25 Exhaust gas treatment systems based in Germany
RevenueBase identified 80 exhaust gas treatment systems headquartered in Germany as of September 2026 and tracks 964 professional contacts across them, including 312 with verified work emails. Emsdetten is the largest hub.
This list covers exhaust gas treatment systems headquartered in Germany, 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 20, 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.
The 25 largest exhaust gas treatment systems based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 174 contacts → | ||||
Indirect evidence “Emitec Technologies GmbH was founded in 1986 as a joint venture between Siemens and GKN.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 79 contacts → | ||||
Indirect evidence “Environment and health protection has a fixed place in our guiding principles in the ethical concepts of our company, and is also the motivation for our actions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 75 contacts → | ||||
Strong evidence “It is our mission to make the air cleaner - with exhaust aftertreatment systems made in Germany.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67 contacts → | ||||
Indirect evidence “LUEHR FILTER is a worldwide acting family-owned company with more than 80 years of practical experiences in the development and construction of "Plants for air pollution control".” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 47 contacts → | ||||
Partial evidence “centrotherm clean solutions is a technology leading global supplier of equipment for the treatment of gaseous, liquid and solid pollutants with the goal to protect the environment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 36 contacts → | ||||
Strong evidence “In addition to regeneration plants for process media, Steuler Anlagenbau designs and supplies complete plant systems for finishing metal surfaces, the treatment and conditioning…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 31 contacts → | ||||
Strong evidence “With more than 35 years of experience, CS CLEAN SOLUTIONS GmbH is your reliable partner for exhaust gas abatement in semiconductor, photovoltaic and related industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 contacts → | ||||
Indirect evidence “Under the umbrella of this brand you will find industry specialists with many years of experience in the field of industrial air pollution control.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 21 contacts → | ||||
Indirect evidence “Emission Partner GmbH & Co.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Strong evidence “For all questions and solutions in the field of exhaust gas cleaning systems we are the right contact for everybody who wants to or who has to protect our environment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Indirect evidence “Interkat is involved in the area of high-efficiency catalytic coatings for various application areas focused primarily on emission reduction.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 15 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Indirect evidence “Seit Jahrzehnten sind wir als führender Hersteller auf dem Gebiet der punktuellen Absaugungen von Gasen, Rauchen und Stäuben tätig.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Indirect evidence “THOLANDER, founded in 1986, has developed air pollution control equipment which today represents the state of the art for odour removal.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Indirect evidence “Die Raab-Gruppe, mit den Marken Raab, Kutzner + Weber und NET, ist einer der führenden Anbieter für Abgastechnik für Wärmeerzeuger – von der Zuluft über die Feuerstätte…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Partial evidence “CS CLEAN SYSTEMS AG is a private joint-stock company based in Ismaning near Munich and was founded in 1986.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence “TANN Europe GmbH is a company based out of Steiger-Stein-Str.5 44805 Bochum, North Rhine-Westphalia, Germany.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Indirect evidence “InNoSol GmbH bedient weltweit den Markt der industriellen Abgasreinigung mit dem Ziel, unsere vielfältige Natur zu bewahren – auch für zukünftige Generationen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Strong evidence “Envirotec is your partner for industrial exhaust air and waste gas purification.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Indirect evidence “Als weltweit agierendes Unternehmen im Vertrieb von Entschwefelungs- und Abluftreinigungsanlagen sowie eigens entwickeltem Filtermaterial blicken wir zurück auf mehr als 15…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “Everybody’s talking about saving the environment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Strong evidence “The Advanpure Group with its headquarters in Recklinghausen is the parent company of Advanpure GmbH, a specialist for the cleaning of exhaust aftertreatment systems.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Strong evidence “Krantz Clean Air Solutions deals with environment-related processes, in particular with the treatment of industrial exhaust air laden with hydrocarbons.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Strong evidence “The companies forming part of the ENTECCOgroup manufacture highly effective and efficient filter products, and use them to create turnkey systems for dust removal, exhaust gas…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “Tehag Deutschland GmbH is an environmental services company based out of Gutenbergstaße 42, Moers, North Rhine-Westphalia, Germany.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: exhaust gas treatment systems. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names exhaust gas treatment systems.
- Partial evidence
- Its own public description names part of exhaust gas treatment systems, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name exhaust gas treatment systems. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 80 exhaust gas treatment systems based in Germany
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Exhaust gas treatment systems based in Germany at a glance
As of Sep 20, 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 80 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 exhaust gas treatment systems, 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 Germany whose own description of what they do matches “exhaust gas treatment systems”. 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 exhaust gas treatment systems), 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 exhaust gas treatment systems, and records with no verified work email. Companies headquartered outside Germany 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, 312 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 20, 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 exhaust gas treatment systems, 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 exhaust gas treatment systems are there based in Germany?
RevenueBase identified 80 exhaust gas treatment systems headquartered in Germany 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?
Emitec Technologies Gmbh, headquartered in Lohmar, tops this list with the largest team on record.
Which city has the most exhaust gas treatment systems?
Emsdetten leads with 2 headquartered companies, followed by Gelnhausen (2) and Ismaning (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 312 verified decision-maker contacts tracked across these 80 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 20, 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.
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