Company lists · Data refreshed November 2026
Top 25 Wastewater system services based in Germany
RevenueBase identified 340 company matches for wastewater system services associated with Germany as of November 2026 and tracks 4,696 professional contacts across them, including 1,498 with verified work emails. Hamburg is the largest hub.
This list covers company matches for wastewater system 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.
The 25 largest wastewater system services based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 514 contacts → | ||||
Exact match “Wasser ist Leben – und wir sorgen täglich dafür, dass zuverlässig reines Trinkwasser durch die Wasserhähne fließt und Abwasser nachhaltig entsorgt wird.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 267 contacts → | ||||
Exact match “Optimierung.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 262 contacts → | ||||
Exact match “Wir sind Ihr Partner für Kommunen, Industrie und Gewerbe, wenn es um die sichere Versorgung und effiziente Bewirtschaftung von Infrastruktur geht.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 178 contacts → | ||||
Exact match “Water is becoming one of the defining challenges of our century.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 172 contacts → | ||||
Exact match “An der Quelle zum Erfolg: Der OOWV als Arbeitgeber.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 156 contacts → | ||||
Exact match “Stadtentwässerungsbetriebe Köln, AöR is a government administration company based out of Ostmerheimer Str.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 147 contacts → | ||||
Exact match “Passavant has always been a name synonymous with excellence of execution through innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 113 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 100 contacts → | ||||
Exact match “Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 72 contacts → | ||||
Exact match “HST Systemtechnik is a provider for products, systems and solutions for the water and wastewater market worldwide since 1985, with more than project references.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 58 contacts → | ||||
Exact match “Die Stadtwerke Dessau tragen kommunale Verantwortung.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 58 contacts → | ||||
Exact match “Steinzeug Keramo, a company of the Wienerberger AG, is a solutions and system supplier for the water and wastewater industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 55 contacts → | ||||
Exact match “Unser Impressum: Impressum | WVER Als öffentlich-rechtlicher Wasserverband Eifel-Rur setzen wir uns für eine ganzheitliche Wasserwirtschaft ein.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 49 contacts → | ||||
Exact match “Das ISAS-Team ist seit über 35 Jahren ein zuverlässiger, hochspezialisierter und innovativer Partner in allen Fragestellungen rund um bestehende Abwassersysteme und deren…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 44 contacts → | ||||
Exact match “ELIQUO WATER GROUP bundles the European activities of SKion Water GmbH.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 39 contacts → | ||||
Exact match “Moin!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 36 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 31 contacts → | ||||
Exact match “Menschen für Sie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 30 contacts → | ||||
Exact match “HAMANN AG is a worldwide recognized supplier of sewage treatment technology for the maritime industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 30 contacts → | ||||
Exact match “Anlagenbau für Wasser- und Abwassertechnik Labore / Institute / Krankenhäuser und Industrie EnviroDTS ist spezialisiert auf die komplette Abwasseraufbereitung und…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 28 contacts → | ||||
Exact match “atd plans and builds plants in all areas of wastewater management” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 28 contacts → | ||||
Exact match “WVE GmbH Kaiserslautern - Ihr starker Partner!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “Der Bergisch-Rheinische Wasserverband ist wichtiger Akteur in der regionalen Wasserwirtschaft.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “INKB.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “Die EWE WASSER GmbH mit Hauptsitz in Cuxhaven gehört über eine Mehrheitsbeteiligung der EWE-Tochter swb zum EWE-Konzern.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “wastewater system services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 340 wastewater system services based in Germany
See the full list, filter by size, metro and specialty, and access 1,498 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Wastewater system services based in Germany at a glance
As of Nov 6, 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 340 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 “wastewater system 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 1,498 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 “wastewater system services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many wastewater system services are there based in Germany?
RevenueBase identified 340 company matches for wastewater system 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?
Hamburg Wasser tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most wastewater system services?
Hamburg leads with 9 company records, followed by Berlin (7) and Dresden (5).
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 1,498 professional contacts with verified work emails tracked across these 340 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.
Ready to reach these companies? Verified emails and direct dials for all 340 wastewater system services based in Germany. Start with a free account, no credit card.
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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.
More company lists
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- Lists A-Z
- New lists
- Wastewater system services based in Sao Paulo, Brazil
- Wastewater system services based in Chennai, India
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Company intelligence · public preview
Top 25 wastewater system services based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 340 matching company records for wastewater system services based in Germany, with 4,696 tracked contacts and 1,498 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wastewater system services based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hamburg Wasserhamburgwasser.deHQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 514 contacts → |
“Wasser ist Leben – und wir sorgen täglich dafür, dass zuverlässig reines Trinkwasser durch die Wasserhähne fließt und Abwasser nachhaltig entsorgt wird.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  WTE Wassertechnik Gmbhwte.deHQ: E, GermanyReported employees: 501-1,000 | E, Germany | 501-1,000 | Exact match | 267 contacts → |
“Optimierung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Gelsenwasser AGgelsenwasser.deHQ: Gelsenkirchen, GermanyReported employees: 1,001-5,000 | Gelsenkirchen, Germany | 1,001-5,000 | Exact match | 262 contacts → |
“Wir sind Ihr Partner für Kommunen, Industrie und Gewerbe, wenn es um die sichere Versorgung und effiziente Bewirtschaftung von Infrastruktur geht.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Aqseptence Groupaqseptence.comHQ: Aarbergen, GermanyReported employees: 1,001-5,000 | Aarbergen, Germany | 1,001-5,000 | Exact match | 178 contacts → |
“Water is becoming one of the defining challenges of our century.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Oldenburgisch-Ostfriesischer Wasserverband Oowvkarriere.oowv.deHQ: Brake, GermanyReported employees: 501-1,000 | Brake, Germany | 501-1,000 | Exact match | 172 contacts → |
“An der Quelle zum Erfolg: Der OOWV als Arbeitgeber.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Stadtentwässerungsbetriebe Köln, AÖRsteb-koeln.deHQ: Cologne, GermanyReported employees: 501-1,000 | Cologne, Germany | 501-1,000 | Exact match | 156 contacts → |
“Stadtentwässerungsbetriebe Köln, AöR is a government administration company based out of Ostmerheimer Str.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Passavant Energy & Environmentpassavant-ee.comHQ: Frankfurt, GermanyReported employees: 51-200 | Frankfurt, Germany | 51-200 | Exact match | 147 contacts → |
“Passavant has always been a name synonymous with excellence of execution through innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Zwingenberg, GermanyReported employees: 51-200 | Zwingenberg, Germany | 51-200 | Exact match | 113 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  RBS Wave Gmbhrbs-wave.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 100 contacts → |
“Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Meschede, GermanyReported employees: 201-500 | Meschede, Germany | 201-500 | Exact match | 72 contacts → |
“HST Systemtechnik is a provider for products, systems and solutions for the water and wastewater market worldwide since 1985, with more than project references.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Dessau, GermanyReported employees: 201-500 | Dessau, Germany | 201-500 | Exact match | 58 contacts → |
“Die Stadtwerke Dessau tragen kommunale Verantwortung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Steinzeug Keramo Groupsteinzeug-keramo.comHQ: Frechen, GermanyReported employees: 201-500 | Frechen, Germany | 201-500 | Exact match | 58 contacts → |
“Steinzeug Keramo, a company of the Wienerberger AG, is a solutions and system supplier for the water and wastewater industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Wver Wasserverband Eifel-Rurwver.deHQ: Düren, GermanyReported employees: 501-1,000 | Düren, Germany | 501-1,000 | Exact match | 55 contacts → |
“Unser Impressum: Impressum | WVER Als öffentlich-rechtlicher Wasserverband Eifel-Rur setzen wir uns für eine ganzheitliche Wasserwirtschaft ein.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Isas Gmbhkanalsanierung.comHQ: Füssen, GermanyReported employees: 51-200 | Füssen, Germany | 51-200 | Exact match | 49 contacts → |
“Das ISAS-Team ist seit über 35 Jahren ein zuverlässiger, hochspezialisierter und innovativer Partner in allen Fragestellungen rund um bestehende Abwassersysteme und deren…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Eliquoeliquowater.comHQ: Bad Homburg Vor Der Höhe, GermanyReported employees: 501-1,000 | Bad Homburg Vor Der Höhe, Germany | 501-1,000 | Exact match | 44 contacts → |
“ELIQUO WATER GROUP bundles the European activities of SKion Water GmbH.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  AZV Südholsteinazv.shHQ: Hetlingen, GermanyReported employees: 201-500 | Hetlingen, Germany | 201-500 | Exact match | 39 contacts → |
“Moin!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Water Treatment Systemspassavant-geiger.comHQ: Kettenbach, GermanyReported employees: 201-500 | Kettenbach, Germany | 201-500 | Exact match | 36 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Exrohrexrohr.deHQ: Lübeck, GermanyReported employees: 201-500 | Lübeck, Germany | 201-500 | Exact match | 31 contacts → |
“Menschen für Sie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Hamann AGhamannag.comHQ: Hollenstedt, GermanyReported employees: 51-200 | Hollenstedt, Germany | 51-200 | Exact match | 30 contacts → |
“HAMANN AG is a worldwide recognized supplier of sewage treatment technology for the maritime industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Envirodts Gmbhenvirodts.deHQ: Friedberg (hessen), GermanyReported employees: 51-200 | Friedberg (hessen), Germany | 51-200 | Exact match | 30 contacts → |
“Anlagenbau für Wasser- und Abwassertechnik Labore / Institute / Krankenhäuser und Industrie EnviroDTS ist spezialisiert auf die komplette Abwasseraufbereitung und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 28 contacts → |
“atd plans and builds plants in all areas of wastewater management” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  WVE Gmbh Kaiserslauternwve-kl.deHQ: Kaiserslautern, GermanyReported employees: 201-500 | Kaiserslautern, Germany | 201-500 | Exact match | 28 contacts → |
“WVE GmbH Kaiserslautern - Ihr starker Partner!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  BRW Bergisch-Rheinischer Wasserverbandbrw-haan.deHQ: Haan, GermanyReported employees: 201-500 | Haan, Germany | 201-500 | Exact match | 22 contacts → |
“Der Bergisch-Rheinische Wasserverband ist wichtiger Akteur in der regionalen Wasserwirtschaft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Ingolstadt, GermanyReported employees: 201-500 | Ingolstadt, Germany | 201-500 | Exact match | 21 contacts → |
“INKB.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  EWE Wasser Gmbhewe-wasser.deHQ: Cuxhaven, GermanyReported employees: 11-50 | Cuxhaven, Germany | 11-50 | Exact match | 19 contacts → |
“Die EWE WASSER GmbH mit Hauptsitz in Cuxhaven gehört über eine Mehrheitsbeteiligung der EWE-Tochter swb zum EWE-Konzern.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 340 company matches
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Wastewater system services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
309 records in the displayed employee bands.
31 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 340 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wastewater system services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many wastewater system services did RevenueBase find based in Germany?
The saved snapshot records 340 matching company records, 4,696 tracked contacts and 1,498 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 wastewater system services based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/wastewater-system-services/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wastewater system services based in Sao Paulo, Brazil
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Company intelligence · public preview
Top 25 wastewater system services based in Germany
RevenueBase records 340 matching company records for wastewater system services based in Germany, with 4,696 tracked contacts and 1,498 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wastewater system services based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hamburg Wasserhamburgwasser.de HQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 514 contacts → |
“Wasser ist Leben – und wir sorgen täglich dafür, dass zuverlässig reines Trinkwasser durch die Wasserhähne fließt und Abwasser nachhaltig entsorgt wird.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | WTE Wassertechnik Gmbhwte.de HQ: E, GermanyReported employees: 501-1,000 | E, Germany | 501-1,000 | Exact match | 267 contacts → |
“Optimierung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gelsenwasser AGgelsenwasser.de HQ: Gelsenkirchen, GermanyReported employees: 1,001-5,000 | Gelsenkirchen, Germany | 1,001-5,000 | Exact match | 262 contacts → |
“Wir sind Ihr Partner für Kommunen, Industrie und Gewerbe, wenn es um die sichere Versorgung und effiziente Bewirtschaftung von Infrastruktur geht.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Aqseptence Groupaqseptence.com HQ: Aarbergen, GermanyReported employees: 1,001-5,000 | Aarbergen, Germany | 1,001-5,000 | Exact match | 178 contacts → |
“Water is becoming one of the defining challenges of our century.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Oldenburgisch-Ostfriesischer Wasserverband Oowvkarriere.oowv.de HQ: Brake, GermanyReported employees: 501-1,000 | Brake, Germany | 501-1,000 | Exact match | 172 contacts → |
“An der Quelle zum Erfolg: Der OOWV als Arbeitgeber.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Stadtentwässerungsbetriebe Köln, AÖRsteb-koeln.de HQ: Cologne, GermanyReported employees: 501-1,000 | Cologne, Germany | 501-1,000 | Exact match | 156 contacts → |
“Stadtentwässerungsbetriebe Köln, AöR is a government administration company based out of Ostmerheimer Str.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Passavant Energy & Environmentpassavant-ee.com HQ: Frankfurt, GermanyReported employees: 51-200 | Frankfurt, Germany | 51-200 | Exact match | 147 contacts → |
“Passavant has always been a name synonymous with excellence of execution through innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Zwingenberg, GermanyReported employees: 51-200 | Zwingenberg, Germany | 51-200 | Exact match | 113 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | RBS Wave Gmbhrbs-wave.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 100 contacts → |
“Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Meschede, GermanyReported employees: 201-500 | Meschede, Germany | 201-500 | Exact match | 72 contacts → |
“HST Systemtechnik is a provider for products, systems and solutions for the water and wastewater market worldwide since 1985, with more than project references.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Dessau, GermanyReported employees: 201-500 | Dessau, Germany | 201-500 | Exact match | 58 contacts → |
“Die Stadtwerke Dessau tragen kommunale Verantwortung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Steinzeug Keramo Groupsteinzeug-keramo.com HQ: Frechen, GermanyReported employees: 201-500 | Frechen, Germany | 201-500 | Exact match | 58 contacts → |
“Steinzeug Keramo, a company of the Wienerberger AG, is a solutions and system supplier for the water and wastewater industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wver Wasserverband Eifel-Rurwver.de HQ: Düren, GermanyReported employees: 501-1,000 | Düren, Germany | 501-1,000 | Exact match | 55 contacts → |
“Unser Impressum: Impressum | WVER Als öffentlich-rechtlicher Wasserverband Eifel-Rur setzen wir uns für eine ganzheitliche Wasserwirtschaft ein.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Isas Gmbhkanalsanierung.com HQ: Füssen, GermanyReported employees: 51-200 | Füssen, Germany | 51-200 | Exact match | 49 contacts → |
“Das ISAS-Team ist seit über 35 Jahren ein zuverlässiger, hochspezialisierter und innovativer Partner in allen Fragestellungen rund um bestehende Abwassersysteme und deren…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eliquoeliquowater.com HQ: Bad Homburg Vor Der Höhe, GermanyReported employees: 501-1,000 | Bad Homburg Vor Der Höhe, Germany | 501-1,000 | Exact match | 44 contacts → |
“ELIQUO WATER GROUP bundles the European activities of SKion Water GmbH.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AZV Südholsteinazv.sh HQ: Hetlingen, GermanyReported employees: 201-500 | Hetlingen, Germany | 201-500 | Exact match | 39 contacts → |
“Moin!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Water Treatment Systemspassavant-geiger.com HQ: Kettenbach, GermanyReported employees: 201-500 | Kettenbach, Germany | 201-500 | Exact match | 36 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Exrohrexrohr.de HQ: Lübeck, GermanyReported employees: 201-500 | Lübeck, Germany | 201-500 | Exact match | 31 contacts → |
“Menschen für Sie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hamann AGhamannag.com HQ: Hollenstedt, GermanyReported employees: 51-200 | Hollenstedt, Germany | 51-200 | Exact match | 30 contacts → |
“HAMANN AG is a worldwide recognized supplier of sewage treatment technology for the maritime industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Envirodts Gmbhenvirodts.de HQ: Friedberg (hessen), GermanyReported employees: 51-200 | Friedberg (hessen), Germany | 51-200 | Exact match | 30 contacts → |
“Anlagenbau für Wasser- und Abwassertechnik Labore / Institute / Krankenhäuser und Industrie EnviroDTS ist spezialisiert auf die komplette Abwasseraufbereitung und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 28 contacts → |
“atd plans and builds plants in all areas of wastewater management” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | WVE Gmbh Kaiserslauternwve-kl.de HQ: Kaiserslautern, GermanyReported employees: 201-500 | Kaiserslautern, Germany | 201-500 | Exact match | 28 contacts → |
“WVE GmbH Kaiserslautern - Ihr starker Partner!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | BRW Bergisch-Rheinischer Wasserverbandbrw-haan.de HQ: Haan, GermanyReported employees: 201-500 | Haan, Germany | 201-500 | Exact match | 22 contacts → |
“Der Bergisch-Rheinische Wasserverband ist wichtiger Akteur in der regionalen Wasserwirtschaft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Ingolstadt, GermanyReported employees: 201-500 | Ingolstadt, Germany | 201-500 | Exact match | 21 contacts → |
“INKB.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | EWE Wasser Gmbhewe-wasser.de HQ: Cuxhaven, GermanyReported employees: 11-50 | Cuxhaven, Germany | 11-50 | Exact match | 19 contacts → |
“Die EWE WASSER GmbH mit Hauptsitz in Cuxhaven gehört über eine Mehrheitsbeteiligung der EWE-Tochter swb zum EWE-Konzern.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Wastewater system services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
309 records in the displayed employee bands.
31 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 340 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wastewater system services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many wastewater system services did RevenueBase find based in Germany?
The saved snapshot records 340 matching company records, 4,696 tracked contacts and 1,498 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 wastewater system services based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/wastewater-system-services/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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