Company lists · Data refreshed November 2026
Top 25 Geothermal installation contractors worldwide
RevenueBase identified 3,952 company matches for geothermal installation contractors worldwide as of November 2026 and tracks 22,075 professional contacts across them, including 5,995 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for geothermal installation contractors worldwide, 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. Country and city lists for geothermal installation contractors follow the table.
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 installation contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,328 contacts → | ||||
Exact match “Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 279 contacts → | ||||
Exact match “Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 229 contacts → | ||||
Exact match “WaterFurnace International, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 206 contacts → | ||||
Exact match “Marriott Drilling Group is the UK’s only remaining truly independent land Drilling Specialist, trusted for over 75 years to deliver safe, efficient and technically robust drilling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 158 contacts → | ||||
Exact match “Eteck levert duurzame energie in de vorm van koude en warmte.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 142 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 137 contacts → | ||||
Exact match “ABOUT http://iceland-drilling.com/ Iceland Drilling Ltd is a leading high technical company in the field of high temperature geothermal drilling and has many decades of experience…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 134 contacts → | ||||
Exact match “We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 127 contacts → | ||||
Exact match “Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 125 contacts → | ||||
Exact match “Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 124 contacts → | ||||
Exact match “Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 111 contacts → | ||||
Exact match “Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 107 contacts → | ||||
Exact match “SYCHEM S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 95 contacts → | ||||
Exact match “MB Century is New Zealand's only end-to-end world-class renewable energy solutions provider specialising in Drilling, Reservoir & Wireline, Engineering Design, Precision…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 93 contacts → | ||||
Exact match “ENCON Heating & A/C provides engineering, installation, and maintenance of HVAC systems for both commercial and custom residential applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 93 contacts → | ||||
Exact match “One Stop Cooling & Heating has been providing exceptional installations and service for 26 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 92 contacts → | ||||
Exact match “Pars Anatolian is the Turkey's youngest and most dynamic drilling contractor company which holds numerous patents and has brilliant ideas as a team.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 77 contacts → | ||||
Exact match “HS Orka is the largest privately owned power company in Iceland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 76 contacts → | ||||
Exact match “Energy 1 designs and installs state-of-the-art Mechanical, Electrical, and Plumbing systems that utilize renewable technologies and deliver efficiency, elegance, and legacies our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 76 contacts → | ||||
Exact match “Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 72 contacts → | ||||
Exact match “Rototec provides geoenergy based heating and cooling for large properties.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 71 contacts → | ||||
Exact match “Dal Eco est le chauffagiste spécialisé dans la fourniture et la pose de pompes à chaleur, panneaux solaires, ballons thermodynamiques, VMC double flux sur l'Ouest de la France.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 70 contacts → | ||||
Exact match “As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 69 contacts → | ||||
Exact match “Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 69 contacts → | ||||
Exact match “The Earth can accumulate summer heat and reuse it in the winter, so energy can be stored from season to season.” 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 “geothermal installation contractors”. 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 3,952 geothermal installation contractors worldwide
See the full list, filter by size, metro and specialty, and access 5,995 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geothermal installation contractors worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for geothermal installation contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “geothermal installation contractors” 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. 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 5,995 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.
Geothermal installation contractors by location
15 lists · largest firstEvery Geothermal installation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geothermal installation contractors based in the United States759
- Geothermal installation contractors based in France437
- Geothermal installation contractors based in the United Kingdom343
- Geothermal installation contractors based in the Netherlands279
- Geothermal installation contractors based in Spain249
- Geothermal installation contractors based in Italy207
- Geothermal installation contractors based in Germany187
- Geothermal installation contractors based in Canada146
- Geothermal installation contractors based in Belgium114
- Geothermal installation contractors based in Switzerland58
- Geothermal installation contractors based in Australia42
- Geothermal installation contractors based in Sweden42
- Geothermal installation contractors based in Finland38
- Geothermal installation contractors based in Austria28
- Geothermal installation contractors based in Ireland27
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 installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal installation contractors are there worldwide?
RevenueBase identified 3,952 company matches for geothermal installation contractors worldwide 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?
Ormat Technologies, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most geothermal installation contractors?
The United States leads with 759 companies, followed by France (437) and the United Kingdom (343). Every geothermal installation contractors list by country and city is linked on this page.
Which city has the most geothermal installation contractors?
London leads with 23 company records, followed by Madrid (20) and Calgary (13).
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 5,995 professional contacts with verified work emails tracked across these 3,952 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 3,952 geothermal installation contractors worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 geothermal installation contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,952 matching company records for geothermal installation contractors worldwide, with 22,075 tracked contacts and 5,995 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 geothermal installation contractors worldwide
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 |  Ormat Technologies, INCormat.comHQ: Reno, NV, United StatesReported employees: 1,001-5,000 | Reno, NV, United States | 1,001-5,000 | Exact match | 1,328 contacts → |
“Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Thermaprime Drilling Corporationthermaprime.comHQ: Pasig, PhilippinesReported employees: 501-1,000 | Pasig, Philippines | 501-1,000 | Exact match | 279 contacts → |
“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Waterfurnace Internationalwaterfurnace.comHQ: Fort Wayne, IN, United StatesReported employees: 201-500 | Fort Wayne, IN, United States | 201-500 | Exact match | 229 contacts → |
“WaterFurnace International, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Marriott Drilling Groupmarriottdrilling.comHQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 206 contacts → |
“Marriott Drilling Group is the UK’s only remaining truly independent land Drilling Specialist, trusted for over 75 years to deliver safe, efficient and technically robust drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ETECKeteck.nlHQ: Voorburg, NetherlandsReported employees: 51-200 | Voorburg, Netherlands | 51-200 | Exact match | 158 contacts → |
“Eteck levert duurzame energie in de vorm van koude en warmte.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Vitaclimvitaclim.comHQ: Montpellier, FranceReported employees: 201-500 | Montpellier, France | 201-500 | Exact match | 142 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Iceland Drilling Company LTDjardboranir.isHQ: IcelandReported employees: 51-200 | Iceland | 51-200 | Exact match | 137 contacts → |
“ABOUT http://iceland-drilling.com/ Iceland Drilling Ltd is a leading high technical company in the field of high temperature geothermal drilling and has many decades of experience…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Melink Corporationmelinkcorp.comHQ: Milford, OH, United StatesReported employees: 51-200 | Milford, OH, United States | 51-200 | Exact match | 134 contacts → |
“We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Doğan Jeotermal Groupdoganjeotermal.com.trHQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 127 contacts → |
“Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Glow Greenglowgreenltd.comHQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 125 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Dandelion Energydandelionenergy.comHQ: Mount Kisco, NY, United StatesReported employees: 51-200 | Mount Kisco, NY, United States | 51-200 | Exact match | 124 contacts → |
“Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Brightcore Energybrightcoreenergy.comHQ: Armonk, NY, United StatesReported employees: 51-200 | Armonk, NY, United States | 51-200 | Exact match | 111 contacts → |
“Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sychem Groupsychem.grHQ: Athens, GreeceReported employees: 201-500 | Athens, Greece | 201-500 | Exact match | 107 contacts → |
“SYCHEM S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  MB Century LTDmbcentury.comHQ: Taupo, New ZealandReported employees: 51-200 | Taupo, New Zealand | 51-200 | Exact match | 95 contacts → |
“MB Century is New Zealand's only end-to-end world-class renewable energy solutions provider specialising in Drilling, Reservoir & Wireline, Engineering Design, Precision…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Encon Heating & A Cgoencon.comHQ: Stratford, CT, United StatesReported employees: 201-500 | Stratford, CT, United States | 201-500 | Exact match | 93 contacts → |
“ENCON Heating & A/C provides engineering, installation, and maintenance of HVAC systems for both commercial and custom residential applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ONE Stop Cooling And Heatingonestopcooling.comHQ: Winter Park, FL, United StatesReported employees: 501-1,000 | Winter Park, FL, United States | 501-1,000 | Exact match | 93 contacts → |
“One Stop Cooling & Heating has been providing exceptional installations and service for 26 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Pars Anatolian Drilling Solutionsparsdrilling.comHQ: TürkiyeReported employees: Not recorded | Türkiye | Not recorded | Exact match | 92 contacts → |
“Pars Anatolian is the Turkey's youngest and most dynamic drilling contractor company which holds numerous patents and has brilliant ideas as a team.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  HS Orkahsorka.isHQ: Grindavík, IcelandReported employees: 51-200 | Grindavík, Iceland | 51-200 | Exact match | 77 contacts → |
“HS Orka is the largest privately owned power company in Iceland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Energy 1energy-1.netHQ: Bozeman, WY, United StatesReported employees: 201-500 | Bozeman, WY, United States | 201-500 | Exact match | 76 contacts → |
“Energy 1 designs and installs state-of-the-art Mechanical, Electrical, and Plumbing systems that utilize renewable technologies and deliver efficiency, elegance, and legacies our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Enertech Global, LLCenertechusa.comHQ: Greenville, IL, United StatesReported employees: 51-200 | Greenville, IL, United States | 51-200 | Exact match | 76 contacts → |
“Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Rototecrototecgroup.comHQ: Pirkkala, FinlandReported employees: 51-200 | Pirkkala, Finland | 51-200 | Exact match | 72 contacts → |
“Rototec provides geoenergy based heating and cooling for large properties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Deal ECOdeal-eco.frHQ: Aytre, FranceReported employees: 11-50 | Aytre, France | 11-50 | Exact match | 71 contacts → |
“Dal Eco est le chauffagiste spécialisé dans la fourniture et la pose de pompes à chaleur, panneaux solaires, ballons thermodynamiques, VMC double flux sur l'Ouest de la France.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Nu-Heat Underfloor Heating & Renewablesnu-heat.co.ukHQ: Honiton, United KingdomReported employees: 51-200 | Honiton, United Kingdom | 51-200 | Exact match | 70 contacts → |
“As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rendescorendesco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Celsius Energycelsiusenergy.comHQ: Clamart, FranceReported employees: 51-200 | Clamart, France | 51-200 | Exact match | 69 contacts → |
“The Earth can accumulate summer heat and reuse it in the winter, so energy can be stored from season to season.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,952 company matches
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Geothermal installation contractors: 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
3,778 records in the displayed employee bands.
174 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,952 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 ↗
Geothermal installation contractors by location
15 lists · largest firstEvery Geothermal installation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geothermal installation contractors based in the United States759
- Geothermal installation contractors based in France437
- Geothermal installation contractors based in the United Kingdom343
- Geothermal installation contractors based in the Netherlands279
- Geothermal installation contractors based in Spain249
- Geothermal installation contractors based in Italy207
- Geothermal installation contractors based in Germany187
- Geothermal installation contractors based in Canada146
- Geothermal installation contractors based in Belgium114
- Geothermal installation contractors based in Switzerland58
- Geothermal installation contractors based in Australia42
- Geothermal installation contractors based in Sweden42
- Geothermal installation contractors based in Finland38
- Geothermal installation contractors based in Austria28
- Geothermal installation contractors based in Ireland27
Questions about this company list
What does Exact match mean for geothermal installation contractors?
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 installation contractors did RevenueBase find worldwide?
The saved snapshot records 3,952 matching company records, 22,075 tracked contacts and 5,995 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 geothermal installation contractors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/geothermal-installation-contractors.
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 installation contractors worldwide
RevenueBase records 3,952 matching company records for geothermal installation contractors worldwide, with 22,075 tracked contacts and 5,995 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 geothermal installation contractors worldwide
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 | Ormat Technologies, INCormat.com HQ: Reno, NV, United StatesReported employees: 1,001-5,000 | Reno, NV, United States | 1,001-5,000 | Exact match | 1,328 contacts → |
“Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Thermaprime Drilling Corporationthermaprime.com HQ: Pasig, PhilippinesReported employees: 501-1,000 | Pasig, Philippines | 501-1,000 | Exact match | 279 contacts → |
“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Waterfurnace Internationalwaterfurnace.com HQ: Fort Wayne, IN, United StatesReported employees: 201-500 | Fort Wayne, IN, United States | 201-500 | Exact match | 229 contacts → |
“WaterFurnace International, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Marriott Drilling Groupmarriottdrilling.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 206 contacts → |
“Marriott Drilling Group is the UK’s only remaining truly independent land Drilling Specialist, trusted for over 75 years to deliver safe, efficient and technically robust drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ETECKeteck.nl HQ: Voorburg, NetherlandsReported employees: 51-200 | Voorburg, Netherlands | 51-200 | Exact match | 158 contacts → |
“Eteck levert duurzame energie in de vorm van koude en warmte.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Vitaclimvitaclim.com HQ: Montpellier, FranceReported employees: 201-500 | Montpellier, France | 201-500 | Exact match | 142 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Iceland Drilling Company LTDjardboranir.is HQ: IcelandReported employees: 51-200 | Iceland | 51-200 | Exact match | 137 contacts → |
“ABOUT http://iceland-drilling.com/ Iceland Drilling Ltd is a leading high technical company in the field of high temperature geothermal drilling and has many decades of experience…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Melink Corporationmelinkcorp.com HQ: Milford, OH, United StatesReported employees: 51-200 | Milford, OH, United States | 51-200 | Exact match | 134 contacts → |
“We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Doğan Jeotermal Groupdoganjeotermal.com.tr HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 127 contacts → |
“Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Glow Greenglowgreenltd.com HQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 125 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dandelion Energydandelionenergy.com HQ: Mount Kisco, NY, United StatesReported employees: 51-200 | Mount Kisco, NY, United States | 51-200 | Exact match | 124 contacts → |
“Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Brightcore Energybrightcoreenergy.com HQ: Armonk, NY, United StatesReported employees: 51-200 | Armonk, NY, United States | 51-200 | Exact match | 111 contacts → |
“Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sychem Groupsychem.gr HQ: Athens, GreeceReported employees: 201-500 | Athens, Greece | 201-500 | Exact match | 107 contacts → |
“SYCHEM S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MB Century LTDmbcentury.com HQ: Taupo, New ZealandReported employees: 51-200 | Taupo, New Zealand | 51-200 | Exact match | 95 contacts → |
“MB Century is New Zealand's only end-to-end world-class renewable energy solutions provider specialising in Drilling, Reservoir & Wireline, Engineering Design, Precision…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Encon Heating & A Cgoencon.com HQ: Stratford, CT, United StatesReported employees: 201-500 | Stratford, CT, United States | 201-500 | Exact match | 93 contacts → |
“ENCON Heating & A/C provides engineering, installation, and maintenance of HVAC systems for both commercial and custom residential applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ONE Stop Cooling And Heatingonestopcooling.com HQ: Winter Park, FL, United StatesReported employees: 501-1,000 | Winter Park, FL, United States | 501-1,000 | Exact match | 93 contacts → |
“One Stop Cooling & Heating has been providing exceptional installations and service for 26 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Pars Anatolian Drilling Solutionsparsdrilling.com HQ: TürkiyeReported employees: Not recorded | Türkiye | Not recorded | Exact match | 92 contacts → |
“Pars Anatolian is the Turkey's youngest and most dynamic drilling contractor company which holds numerous patents and has brilliant ideas as a team.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HS Orkahsorka.is HQ: Grindavík, IcelandReported employees: 51-200 | Grindavík, Iceland | 51-200 | Exact match | 77 contacts → |
“HS Orka is the largest privately owned power company in Iceland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Energy 1energy-1.net HQ: Bozeman, WY, United StatesReported employees: 201-500 | Bozeman, WY, United States | 201-500 | Exact match | 76 contacts → |
“Energy 1 designs and installs state-of-the-art Mechanical, Electrical, and Plumbing systems that utilize renewable technologies and deliver efficiency, elegance, and legacies our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Enertech Global, LLCenertechusa.com HQ: Greenville, IL, United StatesReported employees: 51-200 | Greenville, IL, United States | 51-200 | Exact match | 76 contacts → |
“Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rototecrototecgroup.com HQ: Pirkkala, FinlandReported employees: 51-200 | Pirkkala, Finland | 51-200 | Exact match | 72 contacts → |
“Rototec provides geoenergy based heating and cooling for large properties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Deal ECOdeal-eco.fr HQ: Aytre, FranceReported employees: 11-50 | Aytre, France | 11-50 | Exact match | 71 contacts → |
“Dal Eco est le chauffagiste spécialisé dans la fourniture et la pose de pompes à chaleur, panneaux solaires, ballons thermodynamiques, VMC double flux sur l'Ouest de la France.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nu-Heat Underfloor Heating & Renewablesnu-heat.co.uk HQ: Honiton, United KingdomReported employees: 51-200 | Honiton, United Kingdom | 51-200 | Exact match | 70 contacts → |
“As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rendescorendesco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Celsius Energycelsiusenergy.com HQ: Clamart, FranceReported employees: 51-200 | Clamart, France | 51-200 | Exact match | 69 contacts → |
“The Earth can accumulate summer heat and reuse it in the winter, so energy can be stored from season to season.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Geothermal installation contractors: 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
3,778 records in the displayed employee bands.
174 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,952 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 ↗
Geothermal installation contractors by location
15 lists · largest firstEvery Geothermal installation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geothermal installation contractors based in the United States759
- Geothermal installation contractors based in France437
- Geothermal installation contractors based in the United Kingdom343
- Geothermal installation contractors based in the Netherlands279
- Geothermal installation contractors based in Spain249
- Geothermal installation contractors based in Italy207
- Geothermal installation contractors based in Germany187
- Geothermal installation contractors based in Canada146
- Geothermal installation contractors based in Belgium114
- Geothermal installation contractors based in Switzerland58
- Geothermal installation contractors based in Australia42
- Geothermal installation contractors based in Sweden42
- Geothermal installation contractors based in Finland38
- Geothermal installation contractors based in Austria28
- Geothermal installation contractors based in Ireland27
Questions about this company list
What does Exact match mean for geothermal installation contractors?
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 installation contractors did RevenueBase find worldwide?
The saved snapshot records 3,952 matching company records, 22,075 tracked contacts and 5,995 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 geothermal installation contractors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/geothermal-installation-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗