Company lists · Data refreshed September 2026
Top 25 Reverse osmosis plant construction companies based in Germany
RevenueBase identified 108 reverse osmosis plant construction companies headquartered in Germany as of September 2026 and tracks 1,361 professional contacts across them, including 411 with verified work emails. Hamburg is the largest hub.
This list covers reverse osmosis plant construction companies 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 16, 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 reverse osmosis plant construction companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 134 contacts → | ||||
Indirect evidence “Passavant has always been a name synonymous with excellence of execution through innovation.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 115 contacts → | ||||
Indirect evidence “Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 56 contacts → | ||||
Indirect evidence “WEIL JEDER MENSCH DAS RECHT AUF SAUBERES WASSER HAT!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 34 contacts → | ||||
Indirect evidence “Akvantis is an innovative company changing how society views water by delivering technologies that help our customers get the healthiest fresh drinking water.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 19 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Partial evidence “MionTec GmbH is a company in Leverkusen, Germany dealing with process development in Ion Exchange, Nanofiltration, Forward Osmosis, Electrodialysis and Adsorption.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14 contacts → | ||||
Partial evidence “As a plant constructor we offer you a comprehensive range of services in the field of water and waste water treatment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “Unser Ingenieurbüro hat sich auf die Verfahrenstechnik, die Abwassertechnik und die Wasseraufbereitung, vor allem in der Papier- und Kartonindustrie, spezialisiert.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Indirect evidence “Zuverlässige wegweisende Technik Seit 25 Jahren sind wir zuverlässiger Partner der Kommunen, Zweckverbände und Industrie wenn es um wirtschaftliche Lösungen in der Wasser- und…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “TRITON WATER® AG, founded in Hamburg in 1851, offers customized solutions especially for industrial water and waste water treatment for the Food & Beverage, Oil & Gas and Energy…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence “Wir sind ein etabliertes und innovatives Ingenieurbüro im Bereich der Wasserversorgung und planen anspruchsvolle Trinkwasseraufbereitungsanlagen mit modernster Technik wie…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Indirect evidence “Die Bremer pro aqua Wasser- und Abwasser GmbH arbeitet mit einem seit Jahren eingespielten Team aus hochqualifizierten und erfahrenen Ingenieuren, Technikern und Monteuren.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Indirect evidence “Seit über 15 Jahren setzen unsere Systeme Maßstäbe bei der Schonung dieser natürlicher Ressource.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Strong evidence “The service portfolio ranges from the design, construction and maintenance of complete water treatment plants for industry and commerce to the sale of individual components of…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “AWS GmbH – Ihr Partner für Wasser- und Abwassermanagement Als Spezialist für industrielles und kommunales Wasser- und Abwassermanagement übernehmen wir die langfristige…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “We make industrial water treatment more efficient, more sustainable and more reliable.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Indirect evidence “Die aqua plus Wasser- und Recyclingsysteme GmbH mit Sitz in Böbingen an der Rems (Deutschland) ist ein dynamisches, innovatives Unternehmen im Bereich industriellen Wasser- und…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Partial evidence “Die Weil Wasseraufbereitung GmbH entwickelt, plant und fertigt maßgeschneiderte Anlagen zur Erzeugung von Trinkwasser, Reinwasser und Reinstwasser sowie für die Aufbereitung von…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Die WBG ist ein Unternehmen mit Sitz in Mainleus, Deutschland.” Source: RevenueBase Database · checked Sep 16, 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: reverse osmosis plant construction companies. 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 reverse osmosis plant construction companies.
- Partial evidence
- Its own public description names part of reverse osmosis plant construction companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name reverse osmosis plant construction companies. 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 108 reverse osmosis plant construction companies based in Germany
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Reverse osmosis plant construction companies based in Germany at a glance
As of Sep 16, 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 108 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 reverse osmosis plant construction companies, 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 “reverse osmosis plant construction companies”. 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 reverse osmosis plant construction companies), 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 reverse osmosis plant construction companies, 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, 411 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 16, 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 reverse osmosis plant construction companies, 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 reverse osmosis plant construction companies are there based in Germany?
RevenueBase identified 108 reverse osmosis plant construction companies 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?
Passavant Energy & Environment, headquartered in Frankfurt, tops this list with the largest team on record.
Which city has the most reverse osmosis plant construction companies?
Hamburg leads with 4 headquartered companies, followed by Berlin (3) and Bremen (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 411 verified decision-maker contacts tracked across these 108 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 16, 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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