Company lists · Data refreshed November 2026
Top 24 Groundwater management companies based in Germany
RevenueBase identified 70 company matches for groundwater management companies associated with Germany as of November 2026 and tracks 390 professional contacts across them, including 149 with verified work emails. Berlin is the largest hub.
This list covers company matches for groundwater management companies 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 24 largest groundwater management companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 97 contacts → | ||||
Exact match “Water has been our passion for more than 60 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 25 contacts → | ||||
Exact match “Pro Wasser!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 22 contacts → | ||||
Exact match “Die ahu GmbH in Aachen ist ein international tätiges Beratungs- und Planungsunternehmen für Wasser und Boden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 15 contacts → | ||||
Exact match “AQUASOIL Ingenieure & Geologen GmbH excels in groundwater and surface water modelling, geotechnics, contaminated sites, water mangement, hydrogeology, hydrology, soil and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 12 contacts → | ||||
Exact match “Wir, die Wasserverband Lausitz Betriebsführungs GmbH (WAL-Betrieb) sind gefragter Partner für nachhaltige Wasserwirtschaft.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 9 contacts → | ||||
Exact match “Welcome to the experts for digital water managment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “Die BASE TECHNOLOGIES GmbH ist seit über 20 Jahren aktiv für die ökologische Transformation und unterstützt Unternehmen mit Lösungen, die die Schonung von Ressourcen gleichermaßen…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “Die HYDOR Consult GmbH bietet seit zwanzig Jahren unabhängige Planungs- und Beratungsleis-tungen am Standort Am Borsigturm in Berlin-Tegel in folgenden Bereichen…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Wir sind ein bundesweit tätiges Ingenieurbüro mit derzeit 9 Mitarbeitern in den Bereichen Altlastensanierung, Flächenrecycling, Hydrogeologie und Grundwassermodellierung mit Sitz…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Die Piewak & Partner GmbH besteht seit 1990.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Walter Clausen GmbH is a dewatering company based out of Pascalstraße 15, Quickborn, Schleswig-Holstein, Germany.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “De Vet Wasserbau ist Experte für Brunnenbohrungen und den Bau von Grubenentwässerungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Willkommen bei Kleegräfe!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match Recorded description not available. 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 “groundwater management companies”. 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 24 of 70 groundwater management companies based in Germany
See the full list, filter by size, metro and specialty, and access 149 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Groundwater management companies 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 70 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 “groundwater management companies” 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 149 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 “groundwater management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many groundwater management companies are there based in Germany?
RevenueBase identified 70 company matches for groundwater management companies 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?
Hölscher tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most groundwater management companies?
Berlin leads with 9 company records, followed by Aachen (2) and Bayreuth (2).
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 149 professional contacts with verified work emails tracked across these 70 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 70 groundwater management companies based in Germany. Start with a free account, no credit card.
Download this list →Related lists
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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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Company intelligence · public preview
Top 24 groundwater management companies 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 70 matching company records for groundwater management companies based in Germany, with 390 tracked contacts and 149 verified work emails.
This public preview shows 24 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 24 groundwater management companies 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 |  Hölscherhoelscher-wasserbau.deHQ: Haren, GermanyReported employees: 501-1,000 | Haren, Germany | 501-1,000 | Exact match | 97 contacts → |
“Water has been our passion for more than 60 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Niedersachsen Wasser Kooperations- UND Dienstleistungsgesellschaft MBHniedersachsen-wasser.deHQ: Brake, GermanyReported employees: 11-50 | Brake, Germany | 11-50 | Exact match | 25 contacts → |
“Pro Wasser!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 22 contacts → |
“Die ahu GmbH in Aachen ist ein international tätiges Beratungs- und Planungsunternehmen für Wasser und Boden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Aquasoil Ingenieure & Geologen Gmbhaquasoil.deHQ: Westheim, GermanyReported employees: 11-50 | Westheim, Germany | 11-50 | Exact match | 15 contacts → |
“AQUASOIL Ingenieure & Geologen GmbH excels in groundwater and surface water modelling, geotechnics, contaminated sites, water mangement, hydrogeology, hydrology, soil and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Wasserverband Lausitz Betriebsführungs Gmbhwal-betrieb.deHQ: Senftenberg, GermanyReported employees: 201-500 | Senftenberg, Germany | 201-500 | Exact match | 12 contacts → |
“Wir, die Wasserverband Lausitz Betriebsführungs GmbH (WAL-Betrieb) sind gefragter Partner für nachhaltige Wasserwirtschaft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AKS Aquaaks-ff.de HQ: Frankfurt (oder) (frankfurt), GermanyReported employees: 11-50 | Frankfurt (oder) (frankfurt), Germany | 11-50 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Ribeka Gmbhribeka.comHQ: Bornheim, GermanyReported employees: 11-50 | Bornheim, Germany | 11-50 | Exact match | 9 contacts → |
“Welcome to the experts for digital water managment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Base Technologies Gmbhbase-technologies.comHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 8 contacts → |
“Die BASE TECHNOLOGIES GmbH ist seit über 20 Jahren aktiv für die ökologische Transformation und unterstützt Unternehmen mit Lösungen, die die Schonung von Ressourcen gleichermaßen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | RWT Reeker Wassertechnik Gmbhreeker.de HQ: Hopsten, GermanyReported employees: 11-50 | Hopsten, Germany | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Hettmannsperger Spezialtiefbau Gmbhhett-spezial.de HQ: Karlsruhe, GermanyReported employees: 1-10 | Karlsruhe, Germany | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  Hydor Consult Gmbhhydor.deHQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 6 contacts → |
“Die HYDOR Consult GmbH bietet seit zwanzig Jahren unabhängige Planungs- und Beratungsleis-tungen am Standort Am Borsigturm in Berlin-Tegel in folgenden Bereichen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Boss Consult Gmbhbosscon.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 5 contacts → |
“Wir sind ein bundesweit tätiges Ingenieurbüro mit derzeit 9 Mitarbeitern in den Bereichen Altlastensanierung, Flächenrecycling, Hydrogeologie und Grundwassermodellierung mit Sitz…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hettmannsperger Bohrgesellschaft MBHhettbohr.de HQ: Ötigheim, GermanyReported employees: 1-10 | Ötigheim, Germany | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Piewak & Partner Gmbhpiewak.deHQ: Bayreuth, GermanyReported employees: 11-50 | Bayreuth, Germany | 11-50 | Exact match | 4 contacts → |
“Die Piewak & Partner GmbH besteht seit 1990.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Walter Clausen Gmbhwalter-clausen.deHQ: Quickborn, GermanyReported employees: 11-50 | Quickborn, Germany | 11-50 | Exact match | 4 contacts → |
“Walter Clausen GmbH is a dewatering company based out of Pascalstraße 15, Quickborn, Schleswig-Holstein, Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  DE VET Wasserbau Gmbhdevetwasserbau.deHQ: Goch, GermanyReported employees: 11-50 | Goch, Germany | 11-50 | Exact match | 4 contacts → |
“De Vet Wasserbau ist Experte für Brunnenbohrungen und den Bau von Grubenentwässerungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kleegräfe Geotechnik Gmbhkleegraefe.comHQ: Lippstadt, GermanyReported employees: 11-50 | Lippstadt, Germany | 11-50 | Exact match | 3 contacts → |
“Willkommen bei Kleegräfe!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Wasserbeschaffungsverband Riedgruppe OSTriedgruppe-ost.de HQ: Einhausen, GermanyReported employees: 11-50 | Einhausen, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | BL Wasserbau Gmbhbl-wasserbau.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | HQ: Minden, GermanyReported employees: 1-10 | Minden, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Dr. Köhler & Dr. Pommerening Gmbhkoehler-pommerening.de HQ: Harsum, GermanyReported employees: 1-10 | Harsum, Germany | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Terranotionterranotion.com HQ: Halle, GermanyReported employees: 1-10 | Halle, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Hellweg Grundwasserabsenkung Gmbhgrundwasserabsenkung-hellweg.de HQ: Warendorf, GermanyReported employees: 1-10 | Warendorf, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Groundsolution Gmbhgroundsolution.deHQ: Oldenburg, GermanyReported employees: 1-10 | Oldenburg, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 24 of 70 company matches
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Groundwater management companies: 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
68 records in the displayed employee bands.
2 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 70 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 groundwater management companies?
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 groundwater management companies did RevenueBase find based in Germany?
The saved snapshot records 70 matching company records, 390 tracked contacts and 149 verified emails. The public preview displays 24 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
Groundwater management companies by geography
- Groundwater management companies based in Australia
- Groundwater management companies based in Belgium
- Groundwater management companies based in Brazil
- Groundwater management companies based in Canada
- Groundwater management companies based in Chile
- Groundwater management companies based in France
- Groundwater management companies based in the Netherlands
- Groundwater management companies based in South Africa
- Groundwater management companies based in the United Kingdom
- Groundwater management companies based in the United States
Cite this list
RevenueBase Data Team. Top 24 groundwater management companies based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/groundwater-management-companies/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
- Groundwater management companies based in Australia
- Groundwater management companies based in Belgium
- Groundwater management companies based in Brazil
- Groundwater management companies based in Canada
- Groundwater management companies based in Chile
- Groundwater management companies based in France
Company intelligence · public preview
Top 24 groundwater management companies based in Germany
RevenueBase records 70 matching company records for groundwater management companies based in Germany, with 390 tracked contacts and 149 verified work emails.
This public preview shows 24 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 24 groundwater management companies 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 | Hölscherhoelscher-wasserbau.de HQ: Haren, GermanyReported employees: 501-1,000 | Haren, Germany | 501-1,000 | Exact match | 97 contacts → |
“Water has been our passion for more than 60 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Niedersachsen Wasser Kooperations- UND Dienstleistungsgesellschaft MBHniedersachsen-wasser.de HQ: Brake, GermanyReported employees: 11-50 | Brake, Germany | 11-50 | Exact match | 25 contacts → |
“Pro Wasser!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 22 contacts → |
“Die ahu GmbH in Aachen ist ein international tätiges Beratungs- und Planungsunternehmen für Wasser und Boden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Aquasoil Ingenieure & Geologen Gmbhaquasoil.de HQ: Westheim, GermanyReported employees: 11-50 | Westheim, Germany | 11-50 | Exact match | 15 contacts → |
“AQUASOIL Ingenieure & Geologen GmbH excels in groundwater and surface water modelling, geotechnics, contaminated sites, water mangement, hydrogeology, hydrology, soil and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wasserverband Lausitz Betriebsführungs Gmbhwal-betrieb.de HQ: Senftenberg, GermanyReported employees: 201-500 | Senftenberg, Germany | 201-500 | Exact match | 12 contacts → |
“Wir, die Wasserverband Lausitz Betriebsführungs GmbH (WAL-Betrieb) sind gefragter Partner für nachhaltige Wasserwirtschaft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AKS Aquaaks-ff.de HQ: Frankfurt (oder) (frankfurt), GermanyReported employees: 11-50 | Frankfurt (oder) (frankfurt), Germany | 11-50 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Ribeka Gmbhribeka.com HQ: Bornheim, GermanyReported employees: 11-50 | Bornheim, Germany | 11-50 | Exact match | 9 contacts → |
“Welcome to the experts for digital water managment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Base Technologies Gmbhbase-technologies.com HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 8 contacts → |
“Die BASE TECHNOLOGIES GmbH ist seit über 20 Jahren aktiv für die ökologische Transformation und unterstützt Unternehmen mit Lösungen, die die Schonung von Ressourcen gleichermaßen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | RWT Reeker Wassertechnik Gmbhreeker.de HQ: Hopsten, GermanyReported employees: 11-50 | Hopsten, Germany | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Hettmannsperger Spezialtiefbau Gmbhhett-spezial.de HQ: Karlsruhe, GermanyReported employees: 1-10 | Karlsruhe, Germany | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Hydor Consult Gmbhhydor.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 6 contacts → |
“Die HYDOR Consult GmbH bietet seit zwanzig Jahren unabhängige Planungs- und Beratungsleis-tungen am Standort Am Borsigturm in Berlin-Tegel in folgenden Bereichen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Boss Consult Gmbhbosscon.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 5 contacts → |
“Wir sind ein bundesweit tätiges Ingenieurbüro mit derzeit 9 Mitarbeitern in den Bereichen Altlastensanierung, Flächenrecycling, Hydrogeologie und Grundwassermodellierung mit Sitz…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hettmannsperger Bohrgesellschaft MBHhettbohr.de HQ: Ötigheim, GermanyReported employees: 1-10 | Ötigheim, Germany | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Piewak & Partner Gmbhpiewak.de HQ: Bayreuth, GermanyReported employees: 11-50 | Bayreuth, Germany | 11-50 | Exact match | 4 contacts → |
“Die Piewak & Partner GmbH besteht seit 1990.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Walter Clausen Gmbhwalter-clausen.de HQ: Quickborn, GermanyReported employees: 11-50 | Quickborn, Germany | 11-50 | Exact match | 4 contacts → |
“Walter Clausen GmbH is a dewatering company based out of Pascalstraße 15, Quickborn, Schleswig-Holstein, Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DE VET Wasserbau Gmbhdevetwasserbau.de HQ: Goch, GermanyReported employees: 11-50 | Goch, Germany | 11-50 | Exact match | 4 contacts → |
“De Vet Wasserbau ist Experte für Brunnenbohrungen und den Bau von Grubenentwässerungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kleegräfe Geotechnik Gmbhkleegraefe.com HQ: Lippstadt, GermanyReported employees: 11-50 | Lippstadt, Germany | 11-50 | Exact match | 3 contacts → |
“Willkommen bei Kleegräfe!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Wasserbeschaffungsverband Riedgruppe OSTriedgruppe-ost.de HQ: Einhausen, GermanyReported employees: 11-50 | Einhausen, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | BL Wasserbau Gmbhbl-wasserbau.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | HQ: Minden, GermanyReported employees: 1-10 | Minden, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Dr. Köhler & Dr. Pommerening Gmbhkoehler-pommerening.de HQ: Harsum, GermanyReported employees: 1-10 | Harsum, Germany | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Terranotionterranotion.com HQ: Halle, GermanyReported employees: 1-10 | Halle, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Hellweg Grundwasserabsenkung Gmbhgrundwasserabsenkung-hellweg.de HQ: Warendorf, GermanyReported employees: 1-10 | Warendorf, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Groundsolution Gmbhgroundsolution.de HQ: Oldenburg, GermanyReported employees: 1-10 | Oldenburg, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 24 of 70 company matches
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Groundwater management companies: 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
68 records in the displayed employee bands.
2 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 70 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 groundwater management companies?
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 groundwater management companies did RevenueBase find based in Germany?
The saved snapshot records 70 matching company records, 390 tracked contacts and 149 verified emails. The public preview displays 24 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 24 groundwater management companies based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/groundwater-management-companies/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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