Company lists · Data refreshed September 2026
Top 25 Geothermal energy installation companies based in Germany
RevenueBase identified 488 company matches for geothermal energy installation companies associated with Germany as of September 2026 and tracks 1,914 professional contacts across them, including 629 with verified work emails. Berlin is the largest hub.
This list covers company matches for geothermal energy installation 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 September 15, 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 geothermal energy installation companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 162 contacts → | ||||
Exact match “Mit Premium-Photovoltaikanlagen und Wärmepumpen im Komplettpaket erleichtern wir seit 2010 Privat- und Gewerbekunden bundesweit den Umstieg auf eine unabhängige, nachhaltige…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 2 | 136 contacts → | ||||
Exact match “Enter ist ein bundesweit tätiger Anbieter von Wärmepumpen, Solaranlagen (Photovoltaik) mit Stromspeicher, Wallboxen und Energiemanagement-Systemen für Eigenheimbesitzer in…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 3 | 67 contacts → | ||||
Exact match “Die Danpower-Gruppe ist ein mittelständisch strukturiertes Wärmeversorgungs- und Contractingunternehmen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 4 | 50 contacts → | ||||
Exact match “BauGrund Süd Gesellschaft für Geothermie mbH is an utilities company based out of MAYBACHSTRASSE 5, Bad Wurzach, Germany.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “heimWatt hat Ende Januar 2025 u.a.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Die WATERKOTTE GmbH ist mit über 50 Jahren Erfahrung als Hersteller nachhaltiger Energiesysteme auf Basis der Wärmepumpe ein Pionier der Branche.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 7 | 30 contacts → | ||||
Exact match “Die KÄLTE-KLIMA Firmengruppe plant, baut und betreut Kälteanlagen, Klimaanlagen und Wärmepumpen für Gewerbe, Industrie und Handel.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 8 | 28 contacts → | ||||
Exact match “Die Daldrup & Söhne AG ist Spezialist für Bohrtechnik und die Erschließung geologischer Ressourcen in Deutschland mit Sitz in Ascheberg, Nordrhein-Westfalen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Die GERMAN WATER and ENERGY GROUP (GWE) ist Hersteller richtungsweisender Produkte und Entwickler integrierter Anwendungen für den Brunnenbau und die Geothermie.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “Deutsche ErdWärme entwickelt, baut, finanziert und betreibt Erdwärmeanlagen zur Dekarbonisierung von Wärmenetzen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 11 | 21 contacts → | ||||
Exact match “Geothermie Neubrandenburg GmbH (GTN) is an internationally active consultancy and planning office of engineers and geoscientsits.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 12 | 21 contacts → | ||||
Exact match “ERDWERK GmbH is an independent planning office offering consulting services in the fields of geothermal energy, geology, hydrogeology, energetics and drilling technology.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 13 | 19 contacts → | ||||
Exact match “eine Gesellschaft der ENGIE-Gruppe, ist ein führendes Unternehmen für Wärme- und Kältelösungen im Bereich der Oberflächennahen Geothermie.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 14 | 18 contacts → | ||||
Exact match “Wir sind Ihr zuverlässiger Komplettanbieter für Kälte, Lüftungs, Kühl- und Heizlösungen in Gewerbe und Industrie.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “CitrinSolar steht für hochwertige Solarthermie- und Photovoltaikanlagen sowie Wärmespeichersysteme.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 16 | 15 contacts → | ||||
Exact match “Natelberg Gebäudetechnik GmbH is a computer networking company based out of 9 Schwarzmoorstraße, Rhauderfehn, Germany.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “HomePlus steht für smarte Energielösungen, die einfach, bezahlbar und nachhaltig sind.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Seit 1991 setzt sich der Bundesverband Geothermie e.V.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “Heizung - Klima - Sanitär” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “neowells is a German, independent and innovative engineering company with the vision of actively supporting, professionalizing, industrializing and thus accelerating the heat and…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “CET Technology GmbH is a company based out of 9 Am Strauchgraben, Höchstadt, Bavaria, Germany.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “e.systeme21 is a family-run company based in Ulm, Germany.” Recorded in the RevenueBase company graph · Sep 15, 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 “geothermal energy installation 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 25 of 488 geothermal energy installation companies based in Germany
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Geothermal energy installation companies based in Germany at a glance
As of Sep 15, 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 488 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 “geothermal energy installation 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 629 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 September 15, 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 “geothermal energy installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal energy installation companies are there based in Germany?
RevenueBase identified 488 company matches for geothermal energy installation companies associated with Germany as of September 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?
Energieversum EIN Unternehmen DER Enbw Gruppe tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal energy installation companies?
Berlin leads with 24 company records, followed by Munich (8) and Hamburg (7).
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 629 professional contacts with verified work emails tracked across these 488 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 September 15, 2026.
Ready to reach these companies? Verified emails and direct dials for all 488 geothermal energy installation companies based in Germany. Start with a free account, no credit card.
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Geothermal energy installation companies by geography
- Geothermal energy installation companies based in Australia
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- Geothermal energy installation companies based in Belgium
- Geothermal energy installation companies based in Brazil
- Geothermal energy installation companies based in Canada
- Geothermal energy installation companies based in Czechia
- Geothermal energy installation companies based in Denmark
- Geothermal energy installation companies based in Finland
- Geothermal energy installation companies based in France
- Geothermal energy installation companies based in Hungary
- Geothermal energy installation companies based in India
- Geothermal energy installation companies based in Ireland
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal energy installation companies based in Australia
- Geothermal energy installation companies based in Austria
- Geothermal energy installation companies based in Belgium
- Geothermal energy installation companies based in Brazil
- Geothermal energy installation companies based in Canada
- Geothermal energy installation companies based in Czechia
Company intelligence · public preview
Top 25 geothermal energy installation 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 488 matching company records for geothermal energy installation companies based in Germany, with 1,914 tracked contacts and 629 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: September 15, 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 geothermal energy installation 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 |  Energieversum EIN Unternehmen DER Enbw Gruppeenergieversum.deHQ: Steinhagen, GermanyReported employees: 201-500 | Steinhagen, Germany | 201-500 | Exact match | 162 contacts → |
“Mit Premium-Photovoltaikanlagen und Wärmepumpen im Komplettpaket erleichtern wir seit 2010 Privat- und Gewerbekunden bundesweit den Umstieg auf eine unabhängige, nachhaltige…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ENTERenter.deHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 136 contacts → |
“Enter ist ein bundesweit tätiger Anbieter von Wärmepumpen, Solaranlagen (Photovoltaik) mit Stromspeicher, Wallboxen und Energiemanagement-Systemen für Eigenheimbesitzer in…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Danpower-Gruppedanpower.de HQ: Potsdam, GermanyReported employees: 201-500 | Potsdam, Germany | 201-500 | Exact match | 67 contacts → |
“Die Danpower-Gruppe ist ein mittelständisch strukturiertes Wärmeversorgungs- und Contractingunternehmen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Baugrund SÜD Gesellschaft FÜR Geothermie MBHbaugrundsued.deHQ: Bad Wurzach, GermanyReported employees: 51-200 | Bad Wurzach, Germany | 51-200 | Exact match | 50 contacts → |
“BauGrund Süd Gesellschaft für Geothermie mbH is an utilities company based out of MAYBACHSTRASSE 5, Bad Wurzach, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Wegatechheim-watt.deHQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 37 contacts → |
“heimWatt hat Ende Januar 2025 u.a.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Waterkotte Gmbhwaterkotte.de HQ: Herne, GermanyReported employees: 51-200 | Herne, Germany | 51-200 | Exact match | 32 contacts → |
“Die WATERKOTTE GmbH ist mit über 50 Jahren Erfahrung als Hersteller nachhaltiger Energiesysteme auf Basis der Wärmepumpe ein Pionier der Branche.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kälte-Klima Firmengruppekaelte-klima-gmbh.deHQ: Hameln, GermanyReported employees: 201-500 | Hameln, Germany | 201-500 | Exact match | 30 contacts → |
“Die KÄLTE-KLIMA Firmengruppe plant, baut und betreut Kälteanlagen, Klimaanlagen und Wärmepumpen für Gewerbe, Industrie und Handel.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Daldrup & Söhne AGdaldrup.eu HQ: Ascheberg, GermanyReported employees: 51-200 | Ascheberg, Germany | 51-200 | Exact match | 28 contacts → |
“Die Daldrup & Söhne AG ist Spezialist für Bohrtechnik und die Erschließung geologischer Ressourcen in Deutschland mit Sitz in Ascheberg, Nordrhein-Westfalen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  GWE Groupgwe-gruppe.deHQ: Peine, GermanyReported employees: 201-500 | Peine, Germany | 201-500 | Exact match | 24 contacts → |
“Die GERMAN WATER and ENERGY GROUP (GWE) ist Hersteller richtungsweisender Produkte und Entwickler integrierter Anwendungen für den Brunnenbau und die Geothermie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deutsche Erdwärmedeutsche-erdwaerme.de HQ: Karlsruhe, GermanyReported employees: 11-50 | Karlsruhe, Germany | 11-50 | Exact match | 21 contacts → |
“Deutsche ErdWärme entwickelt, baut, finanziert und betreibt Erdwärmeanlagen zur Dekarbonisierung von Wärmenetzen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geothermie Neubrandenburg Gmbhgtn-online.de HQ: Neubrandenburg, GermanyReported employees: 11-50 | Neubrandenburg, Germany | 11-50 | Exact match | 21 contacts → |
“Geothermie Neubrandenburg GmbH (GTN) is an internationally active consultancy and planning office of engineers and geoscientsits.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Erdwerk Gmbherdwerk.comHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 21 contacts → |
“ERDWERK GmbH is an independent planning office offering consulting services in the fields of geothermal energy, geology, hydrogeology, energetics and drilling technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geoenergie Konzept Gmbhgeoenergie-konzept.de HQ: Freiberg, GermanyReported employees: 11-50 | Freiberg, Germany | 11-50 | Exact match | 19 contacts → |
“eine Gesellschaft der ENGIE-Gruppe, ist ein führendes Unternehmen für Wärme- und Kältelösungen im Bereich der Oberflächennahen Geothermie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Yanmar Energy System Europe Gmbhenergysystem-yanmar.comHQ: 45768 Marl, GermanyReported employees: Not recorded | 45768 Marl, Germany | Not recorded | Exact match | 18 contacts → |
“Wir sind Ihr zuverlässiger Komplettanbieter für Kälte, Lüftungs, Kühl- und Heizlösungen in Gewerbe und Industrie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Citrinsolar Gmbhcitrinsolar.de HQ: Moosburg, GermanyReported employees: 51-200 | Moosburg, Germany | 51-200 | Exact match | 18 contacts → |
“CitrinSolar steht für hochwertige Solarthermie- und Photovoltaikanlagen sowie Wärmespeichersysteme.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Natelberg Gebäudetechnik Gmbhnatelberg.de HQ: Rhauderfehn, GermanyReported employees: 11-50 | Rhauderfehn, Germany | 11-50 | Exact match | 15 contacts → |
“Natelberg Gebäudetechnik GmbH is a computer networking company based out of 9 Schwarzmoorstraße, Rhauderfehn, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wibau Haustechnik Gmbhwibau-haustechnik.de HQ: Schwerin, GermanyReported employees: 11-50 | Schwerin, Germany | 11-50 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  TGA Bodensee Gmbhtga-bodensee.deHQ: Salem, GermanyReported employees: 51-200 | Salem, Germany | 51-200 | Exact match | 13 contacts → |
“tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Homeplus Gmbhhomeplus.de HQ: Oberhausen, GermanyReported employees: 51-200 | Oberhausen, Germany | 51-200 | Exact match | 13 contacts → |
“HomePlus steht für smarte Energielösungen, die einfach, bezahlbar und nachhaltig sind.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bundesverband Geothermie E.Vgeothermie.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 10 contacts → |
“Seit 1991 setzt sich der Bundesverband Geothermie e.V.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Erdwärme Grünwald Gmbherdwaerme-gruenwald.de HQ: Grünwald, GermanyReported employees: 11-50 | Grünwald, Germany | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | H. Maurer Gmbh & Co. KGmaurer-schramberg.de HQ: Schramberg, GermanyReported employees: 51-200 | Schramberg, Germany | 51-200 | Exact match | 9 contacts → |
“Heizung - Klima - Sanitär” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Neowellsneowells.deHQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 9 contacts → |
“neowells is a German, independent and innovative engineering company with the vision of actively supporting, professionalizing, industrializing and thus accelerating the heat and…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CET Technology Gmbhcet-technology.de HQ: Höchstadt, GermanyReported employees: 11-50 | Höchstadt, Germany | 11-50 | Exact match | 9 contacts → |
“CET Technology GmbH is a company based out of 9 Am Strauchgraben, Höchstadt, Bavaria, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | E.Systeme21 Gmbhesysteme21.de HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 8 contacts → |
“e.systeme21 is a family-run company based in Ulm, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 488 company matches
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Geothermal energy installation companies: dataset insights
September 15, 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
438 records in the displayed employee bands.
50 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 488 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: September 15, 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 geothermal energy installation 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 geothermal energy installation companies did RevenueBase find based in Germany?
The saved snapshot records 488 matching company records, 1,914 tracked contacts and 629 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: September 15, 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
Geothermal energy installation companies by geography
- Geothermal energy installation companies based in Australia
- Geothermal energy installation companies based in Austria
- Geothermal energy installation companies based in Belgium
- Geothermal energy installation companies based in Brazil
- Geothermal energy installation companies based in Canada
- Geothermal energy installation companies based in Czechia
- Geothermal energy installation companies based in Denmark
- Geothermal energy installation companies based in Finland
- Geothermal energy installation companies based in France
- Geothermal energy installation companies based in Hungary
- Geothermal energy installation companies based in India
- Geothermal energy installation companies based in Ireland
Cite this list
RevenueBase Data Team. Top 25 geothermal energy installation companies based in Germany. Snapshot: September 15, 2026. https://revenuebase.ai/companies/geothermal-energy-installation-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
- Geothermal energy installation companies based in Australia
- Geothermal energy installation companies based in Austria
- Geothermal energy installation companies based in Belgium
- Geothermal energy installation companies based in Brazil
- Geothermal energy installation companies based in Canada
- Geothermal energy installation companies based in Czechia
Company intelligence · public preview
Top 25 geothermal energy installation companies based in Germany
RevenueBase records 488 matching company records for geothermal energy installation companies based in Germany, with 1,914 tracked contacts and 629 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: September 15, 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 geothermal energy installation 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 | Energieversum EIN Unternehmen DER Enbw Gruppeenergieversum.de HQ: Steinhagen, GermanyReported employees: 201-500 | Steinhagen, Germany | 201-500 | Exact match | 162 contacts → |
“Mit Premium-Photovoltaikanlagen und Wärmepumpen im Komplettpaket erleichtern wir seit 2010 Privat- und Gewerbekunden bundesweit den Umstieg auf eine unabhängige, nachhaltige…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ENTERenter.de HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 136 contacts → |
“Enter ist ein bundesweit tätiger Anbieter von Wärmepumpen, Solaranlagen (Photovoltaik) mit Stromspeicher, Wallboxen und Energiemanagement-Systemen für Eigenheimbesitzer in…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Danpower-Gruppedanpower.de HQ: Potsdam, GermanyReported employees: 201-500 | Potsdam, Germany | 201-500 | Exact match | 67 contacts → |
“Die Danpower-Gruppe ist ein mittelständisch strukturiertes Wärmeversorgungs- und Contractingunternehmen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Baugrund SÜD Gesellschaft FÜR Geothermie MBHbaugrundsued.de HQ: Bad Wurzach, GermanyReported employees: 51-200 | Bad Wurzach, Germany | 51-200 | Exact match | 50 contacts → |
“BauGrund Süd Gesellschaft für Geothermie mbH is an utilities company based out of MAYBACHSTRASSE 5, Bad Wurzach, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wegatechheim-watt.de HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 37 contacts → |
“heimWatt hat Ende Januar 2025 u.a.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Waterkotte Gmbhwaterkotte.de HQ: Herne, GermanyReported employees: 51-200 | Herne, Germany | 51-200 | Exact match | 32 contacts → |
“Die WATERKOTTE GmbH ist mit über 50 Jahren Erfahrung als Hersteller nachhaltiger Energiesysteme auf Basis der Wärmepumpe ein Pionier der Branche.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kälte-Klima Firmengruppekaelte-klima-gmbh.de HQ: Hameln, GermanyReported employees: 201-500 | Hameln, Germany | 201-500 | Exact match | 30 contacts → |
“Die KÄLTE-KLIMA Firmengruppe plant, baut und betreut Kälteanlagen, Klimaanlagen und Wärmepumpen für Gewerbe, Industrie und Handel.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Daldrup & Söhne AGdaldrup.eu HQ: Ascheberg, GermanyReported employees: 51-200 | Ascheberg, Germany | 51-200 | Exact match | 28 contacts → |
“Die Daldrup & Söhne AG ist Spezialist für Bohrtechnik und die Erschließung geologischer Ressourcen in Deutschland mit Sitz in Ascheberg, Nordrhein-Westfalen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | GWE Groupgwe-gruppe.de HQ: Peine, GermanyReported employees: 201-500 | Peine, Germany | 201-500 | Exact match | 24 contacts → |
“Die GERMAN WATER and ENERGY GROUP (GWE) ist Hersteller richtungsweisender Produkte und Entwickler integrierter Anwendungen für den Brunnenbau und die Geothermie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deutsche Erdwärmedeutsche-erdwaerme.de HQ: Karlsruhe, GermanyReported employees: 11-50 | Karlsruhe, Germany | 11-50 | Exact match | 21 contacts → |
“Deutsche ErdWärme entwickelt, baut, finanziert und betreibt Erdwärmeanlagen zur Dekarbonisierung von Wärmenetzen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geothermie Neubrandenburg Gmbhgtn-online.de HQ: Neubrandenburg, GermanyReported employees: 11-50 | Neubrandenburg, Germany | 11-50 | Exact match | 21 contacts → |
“Geothermie Neubrandenburg GmbH (GTN) is an internationally active consultancy and planning office of engineers and geoscientsits.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Erdwerk Gmbherdwerk.com HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 21 contacts → |
“ERDWERK GmbH is an independent planning office offering consulting services in the fields of geothermal energy, geology, hydrogeology, energetics and drilling technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geoenergie Konzept Gmbhgeoenergie-konzept.de HQ: Freiberg, GermanyReported employees: 11-50 | Freiberg, Germany | 11-50 | Exact match | 19 contacts → |
“eine Gesellschaft der ENGIE-Gruppe, ist ein führendes Unternehmen für Wärme- und Kältelösungen im Bereich der Oberflächennahen Geothermie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Yanmar Energy System Europe Gmbhenergysystem-yanmar.com HQ: 45768 Marl, GermanyReported employees: Not recorded | 45768 Marl, Germany | Not recorded | Exact match | 18 contacts → |
“Wir sind Ihr zuverlässiger Komplettanbieter für Kälte, Lüftungs, Kühl- und Heizlösungen in Gewerbe und Industrie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Citrinsolar Gmbhcitrinsolar.de HQ: Moosburg, GermanyReported employees: 51-200 | Moosburg, Germany | 51-200 | Exact match | 18 contacts → |
“CitrinSolar steht für hochwertige Solarthermie- und Photovoltaikanlagen sowie Wärmespeichersysteme.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Natelberg Gebäudetechnik Gmbhnatelberg.de HQ: Rhauderfehn, GermanyReported employees: 11-50 | Rhauderfehn, Germany | 11-50 | Exact match | 15 contacts → |
“Natelberg Gebäudetechnik GmbH is a computer networking company based out of 9 Schwarzmoorstraße, Rhauderfehn, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wibau Haustechnik Gmbhwibau-haustechnik.de HQ: Schwerin, GermanyReported employees: 11-50 | Schwerin, Germany | 11-50 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | TGA Bodensee Gmbhtga-bodensee.de HQ: Salem, GermanyReported employees: 51-200 | Salem, Germany | 51-200 | Exact match | 13 contacts → |
“tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Homeplus Gmbhhomeplus.de HQ: Oberhausen, GermanyReported employees: 51-200 | Oberhausen, Germany | 51-200 | Exact match | 13 contacts → |
“HomePlus steht für smarte Energielösungen, die einfach, bezahlbar und nachhaltig sind.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bundesverband Geothermie E.Vgeothermie.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 10 contacts → |
“Seit 1991 setzt sich der Bundesverband Geothermie e.V.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Erdwärme Grünwald Gmbherdwaerme-gruenwald.de HQ: Grünwald, GermanyReported employees: 11-50 | Grünwald, Germany | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | H. Maurer Gmbh & Co. KGmaurer-schramberg.de HQ: Schramberg, GermanyReported employees: 51-200 | Schramberg, Germany | 51-200 | Exact match | 9 contacts → |
“Heizung - Klima - Sanitär” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Neowellsneowells.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 9 contacts → |
“neowells is a German, independent and innovative engineering company with the vision of actively supporting, professionalizing, industrializing and thus accelerating the heat and…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CET Technology Gmbhcet-technology.de HQ: Höchstadt, GermanyReported employees: 11-50 | Höchstadt, Germany | 11-50 | Exact match | 9 contacts → |
“CET Technology GmbH is a company based out of 9 Am Strauchgraben, Höchstadt, Bavaria, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | E.Systeme21 Gmbhesysteme21.de HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 8 contacts → |
“e.systeme21 is a family-run company based in Ulm, Germany.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 488 company matches
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Geothermal energy installation companies: dataset insights
September 15, 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
438 records in the displayed employee bands.
50 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 488 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: September 15, 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 geothermal energy installation 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 geothermal energy installation companies did RevenueBase find based in Germany?
The saved snapshot records 488 matching company records, 1,914 tracked contacts and 629 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: September 15, 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 geothermal energy installation companies based in Germany. Snapshot: September 15, 2026. https://revenuebase.ai/companies/geothermal-energy-installation-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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