Company lists · Data refreshed September 2026
Top 25 Building water management system contractors based in Germany
RevenueBase identified 164 building water management system contractors headquartered in Germany as of September 2026 and tracks 3,960 professional contacts across them, including 948 with verified work emails. Berlin is the largest hub.
This list covers building water management system contractors 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 building water management system contractors based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 988 contacts → | ||||
Indirect evidence “Viega is among the worldwide leading producers of installation technology for the sanitation and heating sector.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 710 contacts → | ||||
Partial evidence “ACO is a Water-Tech company that protects water.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 302 contacts → | ||||
Indirect evidence “We have been operating as an independent, family-run business in close proximity to people and the markets for over 30 years.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 243 contacts → | ||||
Partial evidence “Draining water, treating wastewater and protecting against backwater: As drainage specialists, we protect people from the power of water and protect water from people.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 207 contacts → | ||||
Partial evidence “We move water – and water moves us.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 200 contacts → | ||||
Indirect evidence “Im Jahr 1991 mit dem Fokus auf Wasserversorgung und Abwasserbeseitigung gegründet, operiert unsere Unternehmensgruppe heute in Deutschland und Österreich.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 144 contacts → | ||||
Strong evidence “Wavin provides above and below ground solutions for hot & cold tap water, surface heating and cooling, soil and waste, rainwater management and last mile telecom.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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. | |||||
| 9 | 88 contacts → | ||||
Partial evidence “Water has been our passion for more than 60 years.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 87 contacts → | ||||
Indirect evidence “Wij zorgen voor droge voeten!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 81 contacts → | ||||
Indirect evidence “DAHLEM is an engineering company headquartered in Essen, Germany, with offices in Darmstadt, Würzburg, Berlin, Stuttgart, Montenegro and Albania.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 45 contacts → | ||||
Partial evidence “Düker is a medium-sized company with years of tradition that specialises in high-quality water solutions - with innovative products made from sustainable, healthy materials that…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 32 contacts → | ||||
Partial evidence “W|ASSER ist seit 30 Jahren unser Element: Wir entwickeln und bieten produkt- und systemübergreifende Lösungen auf dem Gebiet des Neubaus, der Rekonstruktion sowie der Optimierung…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 21 contacts → | ||||
Partial evidence “atd plans and builds plants in all areas of wastewater management” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 contacts → | ||||
Indirect evidence “Hydro-Ingenieure – Experten für Wasserwirtschaft & Siedlungswasserbau Seit über 40 Jahren planen und realisieren wir Projekte in der Wasserwirtschaft, Abwassertechnik und…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Indirect evidence “Wasser gestalten.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Seit rund 20 Jahren ist SKI mit seinen Standorten in München und seit 2017 auch in Landshut ein zuverlässiger Partner für Kommunen, Auftraggeber aus der Wasserwirtschaft und…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Indirect evidence “Bgu - Umweltschutzanlagen GmbH is an environmental services company based out of 27 Schwabenstraße, Bretzfeld, Germany.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 10 contacts → | ||||
Indirect evidence “Wir, die Wasserverband Lausitz Betriebsführungs GmbH (WAL-Betrieb) sind gefragter Partner für nachhaltige Wasserwirtschaft.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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. | |||||
| 21 | 8 contacts → | ||||
Partial 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. | |||||
| 22 | 8 contacts → | ||||
Strong evidence “We are a worldwide leading system provider of corporate and municipal system soluction around water management, waste air, drinking water, stormwater and disaster management.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Partial 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. | |||||
| 24 | 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. | |||||
| 25 | 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. | |||||
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: building water management system contractors. 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 building water management system contractors.
- Partial evidence
- Its own public description names part of building water management system contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name building water management system contractors. 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 164 building water management system contractors based in Germany
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Building water management system contractors 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 164 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 building water management system contractors, 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 “building water management system contractors”. 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 building water management system contractors), 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 building water management system contractors, 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, 948 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 building water management system contractors, 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 building water management system contractors are there based in Germany?
RevenueBase identified 164 building water management system contractors 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?
Viega Deutschland, headquartered in Attendorn, tops this list with the largest team on record.
Which city has the most building water management system contractors?
Berlin leads with 5 headquartered companies, followed by Dresden (4) and Aachen (3).
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 948 verified decision-maker contacts tracked across these 164 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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