Company lists · Data refreshed September 2026
Top 25 Geothermal companies based in Belgium
RevenueBase identified 75 company matches for geothermal companies associated with Belgium as of September 2026 and tracks 558 professional contacts across them, including 256 with verified work emails. Arendonk is the largest hub.
This list covers company matches for geothermal companies associated with Belgium, 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 companies based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 146 contacts → | ||||
Exact match “G-TEC provides marine and land based geophysical surveys.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 2 | 131 contacts → | ||||
Exact match “The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 3 | 21 contacts → | ||||
Exact match “IFTech speelt een voortrekkersrol in seizoensmatige energieopslag.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 4 | 15 contacts → | ||||
Exact match “GEBO is a drilling company specialised in geothermal drilling.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 5 | 14 contacts → | ||||
Exact match “Mitis is an innovative technology company dedicated to developing cutting-edge solutions for the energy transition, making power generation more efficient and environmentally…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match “GeoTherma gelooft dat alle thermische energienoden in gebouwen en woningen moeten geëlektrificeerd worden met behulp van warmtepompen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 7 | 10 contacts → | ||||
Exact match “Guilliams Group is de overkoepelende organisatie van drie ondernemingen: Guilliams Green Power, Guilliams Construction Solutions en Guilliams Logistics Solutions.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 8 | 10 contacts → | ||||
Exact match “Founded in 1998, EGEC, the European Geothermal Energy Council is an international non-profit association located in Renewable Energy House in Brussels, in the heart of the…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 9 | 9 contacts → | ||||
Exact match “EXTRAQT is the expert in aquathermal energy.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “Woarm - Slim klimaatcomfort” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “TECforLime 'Geologist Protocol' is one of the services of TECforLime MULTISERVICE PLATFORM.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “AQUALE is an engineering company specialised in environmental protection, focused on 3D numerical modelling: surface and underground flow modelling, contaminant and Heat transport…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Geo-Thermics is sinds 2010 dé pionier van geothermie in Vlaanderen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “VM Boringen specialiseert zich in grondboringen voor geothermische warmtepompen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “WellDoneDrill, votre société de forage géothermique à Bruxelles et en Wallonie.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “HITA - afgeleid van 'að hita', het IJslandse werkwoord voor verwarmen - is een jong en ambitieus bedrijf dat zich richt op de ontwikkeling van diepe geothermie ('aardwarmte').” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “We willen de energietransitie versnellen door ze haalbaar en ontzorgend te maken voor iedereen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “We brengen PUUR COMFORT met 80% gratis energie uit je tuin.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Welkom bij Geopower!” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Krivaro Technics is een jong en dynamisch bedrijf opgericht in 2011 door Kristof Van Roey en gevestigd op de Brusselsesteenweg te Herent, wij werken voor zowel particuliere…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Duurzaam verwarmen of koelen met geothermie?” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Uw partner in geothermie!” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Fransen Boringen is een ervaren en gespecialiseerd bedrijf in verticale grondboringen.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Klima-Thuis: is een jong en dynamisch bedrijf dat zich volledig inzet voor duurzame energie.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Elcubi is dé partner voor het installeren van een warmtepomp, airconditioning, zonneboiler, zonnepanelen, laadpalen, thuisbatterij, gasketel en alle andere technieken voor je…” 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 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 75 geothermal companies based in Belgium
See the full list, filter by size, metro and specialty, and access 256 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geothermal companies based in Belgium at a glance
As of Sep 15, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 75 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 Belgium whose business descriptions match “geothermal 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 256 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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal companies are there based in Belgium?
RevenueBase identified 75 company matches for geothermal companies associated with Belgium 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?
G-Tec tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal companies?
Arendonk leads with 3 company records, followed by Antwerp (2) and As (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 256 professional contacts with verified work emails tracked across these 75 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 75 geothermal companies based in Belgium. Start with a free account, no credit card.
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Browse the directory
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
Company intelligence · public preview
Top 25 geothermal companies based in Belgium
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 75 matching company records for geothermal companies based in Belgium, with 558 tracked contacts and 256 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 companies based in Belgium
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 |  G-Tecg-tec.euHQ: Milmort, BelgiumReported employees: 51-200 | Milmort, Belgium | 51-200 | Exact match | 146 contacts → |
“G-TEC provides marine and land based geophysical surveys.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vaillant Group Belgiumvaillant-group.comHQ: Drogenbos, BelgiumReported employees: 10001+ | Drogenbos, Belgium | 10001+ | Exact match | 131 contacts → |
“The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Iftech NViftech.beHQ: Koersel, BelgiumReported employees: 11-50 | Koersel, Belgium | 11-50 | Exact match | 21 contacts → |
“IFTech speelt een voortrekkersrol in seizoensmatige energieopslag.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gebo Bvbagebo.be HQ: Dessel, BelgiumReported employees: 11-50 | Dessel, Belgium | 11-50 | Exact match | 15 contacts → |
“GEBO is a drilling company specialised in geothermal drilling.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  MITISmitis.beHQ: Liège, BelgiumReported employees: 11-50 | Liège, Belgium | 11-50 | Exact match | 14 contacts → |
“Mitis is an innovative technology company dedicated to developing cutting-edge solutions for the energy transition, making power generation more efficient and environmentally…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geothermageotherma.be HQ: Hoegaarden, BelgiumReported employees: 11-50 | Hoegaarden, Belgium | 11-50 | Exact match | 12 contacts → |
“GeoTherma gelooft dat alle thermische energienoden in gebouwen en woningen moeten geëlektrificeerd worden met behulp van warmtepompen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Guilliams Groupguilliamsgroup.be HQ: Vertrijk, BelgiumReported employees: 11-50 | Vertrijk, Belgium | 11-50 | Exact match | 10 contacts → |
“Guilliams Group is de overkoepelende organisatie van drie ondernemingen: Guilliams Green Power, Guilliams Construction Solutions en Guilliams Logistics Solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Egec Geothermalegec.org HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 10 contacts → |
“Founded in 1998, EGEC, the European Geothermal Energy Council is an international non-profit association located in Renewable Energy House in Brussels, in the heart of the…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Extraqtextraqt.beHQ: Leuven, BelgiumReported employees: 1-10 | Leuven, Belgium | 1-10 | Exact match | 9 contacts → |
“EXTRAQT is the expert in aquathermal energy.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | WOARMwoarm.be HQ: Brecht, BelgiumReported employees: 11-50 | Brecht, Belgium | 11-50 | Exact match | 8 contacts → |
“Woarm - Slim klimaatcomfort” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tecforlimetecforlime.com HQ: Louvain-la-neuve (ottignies-louvain-la-neuve), BelgiumReported employees: 1-10 | Louvain-la-neuve (ottignies-louvain-la-neuve), Belgium | 1-10 | Exact match | 7 contacts → |
“TECforLime 'Geologist Protocol' is one of the services of TECforLime MULTISERVICE PLATFORM.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Aqualeaquale.comHQ: Namur, BelgiumReported employees: 1-10 | Namur, Belgium | 1-10 | Exact match | 7 contacts → |
“AQUALE is an engineering company specialised in environmental protection, focused on 3D numerical modelling: surface and underground flow modelling, contaminant and Heat transport…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geo-Thermicsgeo-thermics.be HQ: Schelderode, BelgiumReported employees: 11-50 | Schelderode, Belgium | 11-50 | Exact match | 6 contacts → |
“Geo-Thermics is sinds 2010 dé pionier van geothermie in Vlaanderen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | VM Boringenvmboringen.be HQ: Arendonk, BelgiumReported employees: 1-10 | Arendonk, Belgium | 1-10 | Exact match | 6 contacts → |
“VM Boringen specialiseert zich in grondboringen voor geothermische warmtepompen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Welldonedrillwelldonedrill.energy HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 5 contacts → |
“WellDoneDrill, votre société de forage géothermique à Bruxelles et en Wallonie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HITAhita.be HQ: Geel, BelgiumReported employees: 1-10 | Geel, Belgium | 1-10 | Exact match | 4 contacts → |
“HITA - afgeleid van 'að hita', het IJslandse werkwoord voor verwarmen - is een jong en ambitieus bedrijf dat zich richt op de ontwikkeling van diepe geothermie ('aardwarmte').” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | non.energynon.energy HQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 4 contacts → |
“We willen de energietransitie versnellen door ze haalbaar en ontzorgend te maken voor iedereen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Terravolt BVterravolt.be HQ: Lokeren, BelgiumReported employees: 1-10 | Lokeren, Belgium | 1-10 | Exact match | 4 contacts → |
“We brengen PUUR COMFORT met 80% gratis energie uit je tuin.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Geopower BVgeopower.be HQ: Sint-eloois-winkel, BelgiumReported employees: 1-10 | Sint-eloois-winkel, Belgium | 1-10 | Exact match | 3 contacts → |
“Welkom bij Geopower!” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Krivaro Technicskrivaro-technics.be HQ: Herent, BelgiumReported employees: 1-10 | Herent, Belgium | 1-10 | Exact match | 3 contacts → |
“Krivaro Technics is een jong en dynamisch bedrijf opgericht in 2011 door Kristof Van Roey en gevestigd op de Brusselsesteenweg te Herent, wij werken voor zowel particuliere…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Klimaterraklimaterra.be HQ: Sinaai-waas, BelgiumReported employees: 1-10 | Sinaai-waas, Belgium | 1-10 | Exact match | 3 contacts → |
“Duurzaam verwarmen of koelen met geothermie?” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geotechnix BVgeotechnix.be HQ: Ruddervoorde, BelgiumReported employees: 11-50 | Ruddervoorde, Belgium | 11-50 | Exact match | 3 contacts → |
“Uw partner in geothermie!” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fransen Boringen BVfransenboringen.be HQ: Overbroek, BelgiumReported employees: 1-10 | Overbroek, Belgium | 1-10 | Exact match | 3 contacts → |
“Fransen Boringen is een ervaren en gespecialiseerd bedrijf in verticale grondboringen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Klima-Thuisklima-thuis.beHQ: Bornem, BelgiumReported employees: 1-10 | Bornem, Belgium | 1-10 | Exact match | 3 contacts → |
“Klima-Thuis: is een jong en dynamisch bedrijf dat zich volledig inzet voor duurzame energie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Elcubielcubi.be HQ: Lommel, BelgiumReported employees: 1-10 | Lommel, Belgium | 1-10 | Exact match | 3 contacts → |
“Elcubi is dé partner voor het installeren van een warmtepomp, airconditioning, zonneboiler, zonnepanelen, laadpalen, thuisbatterij, gasketel en alle andere technieken voor je…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 75 company matches
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Geothermal 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
74 records in the displayed employee bands.
1 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 Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 75 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 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 companies did RevenueBase find based in Belgium?
The saved snapshot records 75 matching company records, 558 tracked contacts and 256 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 companies by geography
- Geothermal companies based in Argentina
- Geothermal companies based in Australia
- Geothermal companies based in Austria
- Geothermal companies based in Brazil
- Geothermal companies based in Canada
- Geothermal companies based in Chile
- Geothermal companies based in Colombia
- Geothermal companies based in Czechia
- Geothermal companies based in Denmark
- Geothermal companies based in Finland
- Geothermal companies based in France
- Geothermal companies based in Germany
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 geothermal companies based in Belgium. Snapshot: September 15, 2026. https://revenuebase.ai/companies/geothermal-companies/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 geothermal companies based in Belgium
RevenueBase records 75 matching company records for geothermal companies based in Belgium, with 558 tracked contacts and 256 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 companies based in Belgium
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 | G-Tecg-tec.eu HQ: Milmort, BelgiumReported employees: 51-200 | Milmort, Belgium | 51-200 | Exact match | 146 contacts → |
“G-TEC provides marine and land based geophysical surveys.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vaillant Group Belgiumvaillant-group.com HQ: Drogenbos, BelgiumReported employees: 10001+ | Drogenbos, Belgium | 10001+ | Exact match | 131 contacts → |
“The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Iftech NViftech.be HQ: Koersel, BelgiumReported employees: 11-50 | Koersel, Belgium | 11-50 | Exact match | 21 contacts → |
“IFTech speelt een voortrekkersrol in seizoensmatige energieopslag.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gebo Bvbagebo.be HQ: Dessel, BelgiumReported employees: 11-50 | Dessel, Belgium | 11-50 | Exact match | 15 contacts → |
“GEBO is a drilling company specialised in geothermal drilling.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | MITISmitis.be HQ: Liège, BelgiumReported employees: 11-50 | Liège, Belgium | 11-50 | Exact match | 14 contacts → |
“Mitis is an innovative technology company dedicated to developing cutting-edge solutions for the energy transition, making power generation more efficient and environmentally…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geothermageotherma.be HQ: Hoegaarden, BelgiumReported employees: 11-50 | Hoegaarden, Belgium | 11-50 | Exact match | 12 contacts → |
“GeoTherma gelooft dat alle thermische energienoden in gebouwen en woningen moeten geëlektrificeerd worden met behulp van warmtepompen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Guilliams Groupguilliamsgroup.be HQ: Vertrijk, BelgiumReported employees: 11-50 | Vertrijk, Belgium | 11-50 | Exact match | 10 contacts → |
“Guilliams Group is de overkoepelende organisatie van drie ondernemingen: Guilliams Green Power, Guilliams Construction Solutions en Guilliams Logistics Solutions.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Egec Geothermalegec.org HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 10 contacts → |
“Founded in 1998, EGEC, the European Geothermal Energy Council is an international non-profit association located in Renewable Energy House in Brussels, in the heart of the…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Extraqtextraqt.be HQ: Leuven, BelgiumReported employees: 1-10 | Leuven, Belgium | 1-10 | Exact match | 9 contacts → |
“EXTRAQT is the expert in aquathermal energy.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | WOARMwoarm.be HQ: Brecht, BelgiumReported employees: 11-50 | Brecht, Belgium | 11-50 | Exact match | 8 contacts → |
“Woarm - Slim klimaatcomfort” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tecforlimetecforlime.com HQ: Louvain-la-neuve (ottignies-louvain-la-neuve), BelgiumReported employees: 1-10 | Louvain-la-neuve (ottignies-louvain-la-neuve), Belgium | 1-10 | Exact match | 7 contacts → |
“TECforLime 'Geologist Protocol' is one of the services of TECforLime MULTISERVICE PLATFORM.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aqualeaquale.com HQ: Namur, BelgiumReported employees: 1-10 | Namur, Belgium | 1-10 | Exact match | 7 contacts → |
“AQUALE is an engineering company specialised in environmental protection, focused on 3D numerical modelling: surface and underground flow modelling, contaminant and Heat transport…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geo-Thermicsgeo-thermics.be HQ: Schelderode, BelgiumReported employees: 11-50 | Schelderode, Belgium | 11-50 | Exact match | 6 contacts → |
“Geo-Thermics is sinds 2010 dé pionier van geothermie in Vlaanderen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | VM Boringenvmboringen.be HQ: Arendonk, BelgiumReported employees: 1-10 | Arendonk, Belgium | 1-10 | Exact match | 6 contacts → |
“VM Boringen specialiseert zich in grondboringen voor geothermische warmtepompen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Welldonedrillwelldonedrill.energy HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 5 contacts → |
“WellDoneDrill, votre société de forage géothermique à Bruxelles et en Wallonie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HITAhita.be HQ: Geel, BelgiumReported employees: 1-10 | Geel, Belgium | 1-10 | Exact match | 4 contacts → |
“HITA - afgeleid van 'að hita', het IJslandse werkwoord voor verwarmen - is een jong en ambitieus bedrijf dat zich richt op de ontwikkeling van diepe geothermie ('aardwarmte').” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | non.energynon.energy HQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 4 contacts → |
“We willen de energietransitie versnellen door ze haalbaar en ontzorgend te maken voor iedereen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Terravolt BVterravolt.be HQ: Lokeren, BelgiumReported employees: 1-10 | Lokeren, Belgium | 1-10 | Exact match | 4 contacts → |
“We brengen PUUR COMFORT met 80% gratis energie uit je tuin.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Geopower BVgeopower.be HQ: Sint-eloois-winkel, BelgiumReported employees: 1-10 | Sint-eloois-winkel, Belgium | 1-10 | Exact match | 3 contacts → |
“Welkom bij Geopower!” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Krivaro Technicskrivaro-technics.be HQ: Herent, BelgiumReported employees: 1-10 | Herent, Belgium | 1-10 | Exact match | 3 contacts → |
“Krivaro Technics is een jong en dynamisch bedrijf opgericht in 2011 door Kristof Van Roey en gevestigd op de Brusselsesteenweg te Herent, wij werken voor zowel particuliere…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Klimaterraklimaterra.be HQ: Sinaai-waas, BelgiumReported employees: 1-10 | Sinaai-waas, Belgium | 1-10 | Exact match | 3 contacts → |
“Duurzaam verwarmen of koelen met geothermie?” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geotechnix BVgeotechnix.be HQ: Ruddervoorde, BelgiumReported employees: 11-50 | Ruddervoorde, Belgium | 11-50 | Exact match | 3 contacts → |
“Uw partner in geothermie!” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fransen Boringen BVfransenboringen.be HQ: Overbroek, BelgiumReported employees: 1-10 | Overbroek, Belgium | 1-10 | Exact match | 3 contacts → |
“Fransen Boringen is een ervaren en gespecialiseerd bedrijf in verticale grondboringen.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Klima-Thuisklima-thuis.be HQ: Bornem, BelgiumReported employees: 1-10 | Bornem, Belgium | 1-10 | Exact match | 3 contacts → |
“Klima-Thuis: is een jong en dynamisch bedrijf dat zich volledig inzet voor duurzame energie.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Elcubielcubi.be HQ: Lommel, BelgiumReported employees: 1-10 | Lommel, Belgium | 1-10 | Exact match | 3 contacts → |
“Elcubi is dé partner voor het installeren van een warmtepomp, airconditioning, zonneboiler, zonnepanelen, laadpalen, thuisbatterij, gasketel en alle andere technieken voor je…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Geothermal 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
74 records in the displayed employee bands.
1 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 Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 75 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 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 companies did RevenueBase find based in Belgium?
The saved snapshot records 75 matching company records, 558 tracked contacts and 256 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 companies by geography
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Cite this list
RevenueBase Data Team. Top 25 geothermal companies based in Belgium. Snapshot: September 15, 2026. https://revenuebase.ai/companies/geothermal-companies/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗