Company lists · Data refreshed October 2026

Top 25 Geothermal well contractors worldwide

RevenueBase identified 1,272 company matches for geothermal well contractors worldwide as of October 2026 and tracks 10,223 professional contacts across them, including 2,204 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for geothermal well 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 October 13, 2026. Country and city lists for geothermal well 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 13, 2026 How this list was built
1,272Companies
10,223Contacts tracked
2,204Verified emails
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The 25 largest geothermal well contractors worldwide

Ranked by team size
Top 25 of 1,272 company matches for geothermal well contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSouth Jakarta, IndonesiaHQ recorded Oct 13, 20261,001-5,0001,300 contacts →

Exact match

“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchMexicoHQ recorded Oct 13, 2026201-500461 contacts →

Exact match

“Constructora y Perforadora LATINA (“LATINA”) Es una empresa privada con mas de 60 años de experiencia en el sector de energía y actualmente es la principal empresa en…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchPasig, PhilippinesHQ recorded Oct 13, 2026501-1,000266 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 · Oct 13, 2026 · View company records in RevenueBase
4Exact matchColombes, FranceHQ recorded Oct 13, 20261,001-5,000261 contacts →

Exact match

“SPECIALISED ACTIVITIES & EPC CONTRACTOR FOR THE ENERGY INDUSTRY International Contractor for design, construction and operating of production, transport and storage…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Oct 13, 2026201-500225 contacts →

Exact match

“BORDRILL Drilling Contractor & Trade Co.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Oct 13, 2026201-500185 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 · Oct 13, 2026 · View company records in RevenueBase
7Exact matchIcelandHQ recorded Oct 13, 202651-200132 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 · Oct 13, 2026 · View company records in RevenueBase
8Exact matchMount Kisco, NY, United StatesHQ recorded Oct 13, 202651-200130 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 · Oct 13, 2026 · View company records in RevenueBase
9Exact matchAnkara, TürkiyeHQ recorded Oct 13, 20261,001-5,000123 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 · Oct 13, 2026 · View company records in RevenueBase
10Exact matchArmonk, NY, United StatesHQ recorded Oct 13, 202651-200103 contacts →

Exact match

“Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchTürkiyeHQ recorded Oct 13, 2026n/a90 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 · Oct 13, 2026 · View company records in RevenueBase
12Exact matchBratislava, SlovakiaHQ recorded Oct 13, 202651-20076 contacts →

Exact match

“We are Breaking Barriers in Geothermal At GADrilling, we are changing what is possible in deep drilling.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchGreenville, IL, United StatesHQ recorded Oct 13, 202651-20076 contacts →

Exact match

“Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchGrindavík, IcelandHQ recorded Oct 13, 202651-20075 contacts →

Exact match

“HS Orka is the largest privately owned power company in Iceland.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchMexicoHQ recorded Oct 13, 202651-20061 contacts →

Exact match

“Servicios de Perforación, Terminación y Reparación de pozos Petroleros Terrestres y Geotérmicos.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchDedemsvaart, NetherlandsHQ recorded Oct 13, 202651-20059 contacts →

Exact match

“Dutch independent water well drilling company and manufacturer of complete groundwater installations suitable for drinking water, process water, and aquifer energy storage as well…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchSävedalen, SwedenHQ recorded Oct 13, 202651-20057 contacts →

Exact match

“Välkommen till Styrud-koncernen!”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchWillis, TX, United StatesHQ recorded Oct 13, 2026201-50056 contacts →

Exact match

“Authentic relationships are standard practice at Weisinger Incorporated.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchSantpedor, SpainHQ recorded Oct 13, 2026201-50056 contacts →

Exact match

“Catalana de Perforacions SA is a global operating company founded in 1968 and is part of the Aquacenter Group.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchPerth, United StatesHQ recorded Oct 13, 202651-20055 contacts →

Exact match

“Hagstrom Drilling is a privately owned Australian drilling contractor delivering exploration drilling, reverse circulation (RC) drilling, diamond drilling, geotechnical drilling…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchIndonesiaHQ recorded Oct 13, 202651-20053 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchNew Brighton, MN, United StatesHQ recorded Oct 13, 202611-5052 contacts →

Exact match

“Darcy Solutions is on a mission to put Geothermal Everywhere.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchLaurel, MD, United StatesHQ recorded Oct 13, 202651-20052 contacts →

Exact match

“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchWheat Ridge, CO, United StatesHQ recorded Oct 13, 202611-5051 contacts →

Exact match

“As Denver HVAC specialists and geothermal system experts, we believe in doing things right!”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchBad Wurzach, GermanyHQ recorded Oct 13, 202651-20049 contacts →

Exact match

“BauGrund Süd Gesellschaft für Geothermie mbH is an utilities company based out of MAYBACHSTRASSE 5, Bad Wurzach, Germany.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 1,272 geothermal well contractors worldwide

See the full list, filter by size, metro and specialty, and access 2,204 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal well contractors worldwide at a glance

As of Oct 13, 2026
21.6%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Calgary
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
677
11-50
452
51-200
102
201-500
17
501-1,000
3
1,001-5,000
3

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 well contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “geothermal well 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 2,204 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 October 13, 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 well contractors by location

7 lists · largest first

Every Geothermal well contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 well contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal well contractors are there worldwide?

RevenueBase identified 1,272 company matches for geothermal well contractors worldwide as of October 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?

PT Pertamina Drilling Services Indonesia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most geothermal well contractors?

The United States leads with 394 companies, followed by France (82) and Germany (76). Every geothermal well contractors list by country and city is linked on this page.

Which city has the most geothermal well contractors?

Calgary leads with 11 company records, followed by Ankara (8) and Madrid (6).

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 2,204 professional contacts with verified work emails tracked across these 1,272 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 October 13, 2026.

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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.