Company lists · Data refreshed September 2026

Top 25 Wastewater treatment equipment manufacturers based in Germany

Name: Wastewater treatment equipment manufacturers based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 285 companies tracked

RevenueBase identified 285 wastewater treatment equipment manufacturers headquartered in Germany as of September 2026 and tracks 3,071 professional contacts across them, including 1,078 with verified work emails. Berlin is the largest hub.

This list covers wastewater treatment equipment manufacturers 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 19, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

285Companies

3,071Contacts tracked

1,078Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest wastewater treatment equipment manufacturers based in Germany

Ranked by team size

Top 25 of 285 wastewater treatment equipment manufacturers based in Germany, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to wastewater treatment equipment manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Grünbeck AG	Indirect evidence	Höchstädt, GermanyHQ checked Sep 19, 2026	501-1,000	157 contacts →
	Indirect evidence “Know-how seit über 75 Jahren: Die Grünbeck AG bietet sowohl bewährte als auch innovative Produkte zur Trinkwasseraufbereitung im Bereich Enthärtungs, Filter- und Dosiertechnik…” Source: RevenueBase Database · checked Sep 19, 2026
2	Aqseptence Group	Indirect evidence	Aarbergen, GermanyHQ checked Sep 19, 2026	1,001-5,000	153 contacts →
	Indirect evidence “Water is becoming one of the defining challenges of our century.” Source: RevenueBase Database · checked Sep 19, 2026
3	Envirochemie Gmbh	Indirect evidence	Rossdorf, GermanyHQ checked Sep 19, 2026	1,001-5,000	146 contacts →
	Indirect evidence “EnviroChemie is a system provider for holistic industrial water management.” Source: RevenueBase Database · checked Sep 19, 2026
4	BWT Wassertechnik Gmbh	Indirect evidence	Schriesheim, GermanyHQ checked Sep 19, 2026	201-500	115 contacts →
	Indirect evidence “Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Source: RevenueBase Database · checked Sep 19, 2026
5	PWT Wasser- UND Abwassertechnik Gmbh	Indirect evidence	Zwingenberg, GermanyHQ checked Sep 19, 2026	51-200	113 contacts →
	Indirect evidence “We from PWT Wasser- und Abwassertechnik GmbH with headquarter in Zwingenberg Germany (Close to Frankfurt am Main, Mannheim and Darmstadt) are speacialized as turnkey supplier…” Source: RevenueBase Database · checked Sep 19, 2026
6	Meri Environmental Solutions	Partial evidence	Munich, GermanyHQ checked Sep 19, 2026	51-200	80 contacts →
	Partial evidence “We are a leading international company, active in the field of material handling, water treatment, reject/sludge handling and effluent treatment for the paper and other allied…” Source: RevenueBase Database · checked Sep 19, 2026
7	Wehrle	Strong evidence	Emmendingen, GermanyHQ checked Sep 19, 2026	201-500	76 contacts →
	Strong evidence “Industry wastewater and Leachate treatment Equipment rental and operation Industrie Abwasser und Sickerwasser behandlung Mietanlage und Betrieb” Source: RevenueBase Database · checked Sep 19, 2026
8	HST Systemtechnik Gmbh & Co.Kg	Partial evidence	Meschede, GermanyHQ checked Sep 19, 2026	201-500	72 contacts →
	Partial evidence “HST Systemtechnik is a provider for products, systems and solutions for the water and wastewater market worldwide since 1985, with more than project references.” Source: RevenueBase Database · checked Sep 19, 2026
9	Cerafiltec	Indirect evidence	Saarbrücken, GermanyHQ checked Sep 19, 2026	51-200	67 contacts →
	Indirect evidence “Cerafiltec is a German-based technology solution provider specializing in developing and producing high-performance ceramic modules and components.” Source: RevenueBase Database · checked Sep 19, 2026
10	Zahnen Technik Gmbh	Indirect evidence	Arzfeld, GermanyHQ checked Sep 19, 2026	51-200	56 contacts →
	Indirect evidence “WEIL JEDER MENSCH DAS RECHT AUF SAUBERES WASSER HAT!” Source: RevenueBase Database · checked Sep 19, 2026
11	GI Aqua Tech	Strong evidence	Groß-gerau, GermanyHQ checked Sep 19, 2026	51-200	49 contacts →
	Strong evidence “GI AQUA TECH provides innovative wastewater treatment solutions, committed to a sustainable future for people and planet.” Source: RevenueBase Database · checked Sep 19, 2026
12	Bela Aqua Gmbh	Indirect evidence	Zusmarshausen, GermanyHQ checked Sep 19, 2026	51-200	46 contacts →
	Indirect evidence “Jede große Geschichte hat ihren Anfang, so auch die der Bela Aqua GmbH – oder die Geschichte der beiden Menschen, die dahinterstehen: Christine und Günter Brandl.” Source: RevenueBase Database · checked Sep 19, 2026
13	Invent Umwelt- UND Verfahrenstechnik AG	Indirect evidence	Erlangen, GermanyHQ checked Sep 19, 2026	51-200	45 contacts →
	Indirect evidence “INVENT Umwelt- und Verfahrenstechnik AG - Leaders in mixing and aeration Water is the origin and source of all life.” Source: RevenueBase Database · checked Sep 19, 2026
14	Inwatec Gmbh & Co. KG	Partial evidence	Bergheim, GermanyHQ checked Sep 19, 2026	51-200	42 contacts →
	Partial evidence “INWATEC was founded in and has since established itself as a leading player in water treatment in Germany and Europe.” Source: RevenueBase Database · checked Sep 19, 2026
15	Envirofalk Pharmawatersystems Gmbh	Partial evidence	Leverkusen, GermanyHQ checked Sep 19, 2026	51-200	41 contacts →
	Partial evidence “EnviroFALK PharmaWaterSystems is your reliable partner of water treatment plants for pharmaceutical and high purity applications.” Source: RevenueBase Database · checked Sep 19, 2026
16	Herco Wassertechnik Gmbh	Partial evidence	Freiberg Am Neckar, GermanyHQ checked Sep 19, 2026	51-200	40 contacts →
	Partial evidence “WATER TREATMENT MADE IN GERMANY.” Source: RevenueBase Database · checked Sep 19, 2026
17	Water Treatment Systems	Partial evidence	Kettenbach, GermanyHQ checked Sep 19, 2026	201-500	39 contacts →
	Partial evidence “Water Treatment’s product portfolio covers a range of water and waste water treatment processes with a focus on headworks, mechanical treatment and biological solutions deployed…” Source: RevenueBase Database · checked Sep 19, 2026
18	Steuler Anlagenbau Gmbh & Co. KG	Partial evidence	Höhr-grenzhausen, GermanyHQ checked Sep 19, 2026	51-200	36 contacts →
	Partial 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 19, 2026
19	Envirodts Gmbh	Indirect evidence	Friedberg (hessen), GermanyHQ checked Sep 19, 2026	51-200	29 contacts →
	Indirect evidence “Anlagenbau für Wasser- und Abwassertechnik Labore / Institute / Krankenhäuser und Industrie EnviroDTS ist spezialisiert auf die komplette Abwasseraufbereitung und…” Source: RevenueBase Database · checked Sep 19, 2026
20	Hamann AG	Partial evidence	Hollenstedt, GermanyHQ checked Sep 19, 2026	51-200	28 contacts →
	Partial evidence “HAMANN AG is a worldwide recognized supplier of sewage treatment technology for the maritime industry.” Source: RevenueBase Database · checked Sep 19, 2026
21	ATB Water Gmbh	Strong evidence	Porta Westfalica, GermanyHQ checked Sep 19, 2026	51-200	27 contacts →
	Strong evidence “ATB WATER - Small sewage treatment plants, wastewater treatment technology and sewage technology for every challenge in industry.” Source: RevenueBase Database · checked Sep 19, 2026
22	ATD Ingenieurgesellschaft FÜR Abwasserwirtschaft UND Technische Dienstleistungen MBH	Partial evidence	Aachen, GermanyHQ checked Sep 19, 2026	11-50	21 contacts →
	Partial evidence “atd plans and builds plants in all areas of wastewater management” Source: RevenueBase Database · checked Sep 19, 2026
23	Almawatech	Indirect evidence	Babenhausen, GermanyHQ checked Sep 19, 2026	51-200	20 contacts →
	Indirect evidence “ALMAWATECH – Anlagenbau & Prozesslösungen für industrielle Wassertechnik Die ALMAWATECH GmbH ist ein familiengeführtes Unternehmen mit langer Tradition in der industriellen…” Source: RevenueBase Database · checked Sep 19, 2026
24	Xylem Water Solutions Herford Gmbh	Indirect evidence	Herford, GermanyHQ checked Sep 19, 2026	11-50	19 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
25	Osmo Membrane Systems Gmbh	Indirect evidence	Leonberg, GermanyHQ checked Sep 19, 2026	11-50	19 contacts →
	Indirect evidence “OSMO Membrane Systems GmbH a highly specialised company of the GAW Group, develops and implements industrial filtration and membrane separation processes for demanding, customised…” Source: RevenueBase Database · checked Sep 19, 2026

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: wastewater treatment equipment manufacturers. 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 wastewater treatment equipment manufacturers.
Partial evidence: Its own public description names part of wastewater treatment equipment manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name wastewater treatment equipment manufacturers. 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 285 wastewater treatment equipment manufacturers based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,078 reachable decision-makers.

Free signup · no credit card

View the full list →

Wastewater treatment equipment manufacturers based in Germany at a glance

As of Sep 19, 2026

35.1%Verified-email coverage

10.8Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · Berlin

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

104

11-50

121

51-200

201-500

501-1,000

1,001-5,000

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 285 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 wastewater treatment equipment manufacturers, 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 “wastewater treatment equipment manufacturers”. 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 wastewater treatment equipment manufacturers), 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 wastewater treatment equipment manufacturers, 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, 1,078 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 19, 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 wastewater treatment equipment manufacturers, 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 wastewater treatment equipment manufacturers are there based in Germany?

RevenueBase identified 285 wastewater treatment equipment manufacturers 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?

Grünbeck AG, headquartered in Hochstadt, tops this list with the largest team on record.

Which city has the most wastewater treatment equipment manufacturers?

Berlin leads with 9 headquartered companies, followed by Dresden (6) and Hamburg (5).

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 1,078 verified decision-maker contacts tracked across these 285 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 285 wastewater treatment equipment manufacturers based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

Wastewater treatment equipment manufacturers by geography

Browse the directory

Browse: Companies home · All Germany lists · All Wastewater treatment equipment manufacturers lists · New lists

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.