Company lists · Data refreshed November 2026

Top 25 Ground loop drilling contractors worldwide

RevenueBase identified 469 company matches for ground loop drilling contractors worldwide as of November 2026 and tracks 3,102 professional contacts across them, including 768 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ground loop drilling 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 ground loop drilling 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 Nov 6, 2026 How this list was built
469Companies
3,102Contacts tracked
768Verified emails
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The 25 largest ground loop drilling contractors worldwide

Ranked by team size
Top 25 of 469 company matches for ground loop drilling contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPasig, PhilippinesHQ recorded Nov 6, 2026501-1,000279 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
2Exact matchIcelandHQ recorded Nov 6, 202651-200137 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
3Exact matchMount Kisco, NY, United StatesHQ recorded Nov 6, 202651-200124 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
4Exact matchTürkiyeHQ recorded Nov 6, 2026n/a92 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
5Exact matchSävedalen, SwedenHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Välkommen till Styrud-koncernen!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBad Wurzach, GermanyHQ recorded Nov 6, 202651-20055 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew Brighton, MN, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLaurel, PA, United StatesHQ recorded Nov 6, 202651-20055 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHessisch Lichtenau, GermanyHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“H.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDeggendorf, GermanyHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Die DrillTec GUT GmbH Großbohr- und Umwelttechnik gehört zu den europaweit agierenden Bohrkontraktoren für namhafte Unternehmen der Öl, Gas- und Geothermie-Branche.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAscheberg, GermanyHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Die Daldrup & Söhne AG ist Spezialist für Bohrtechnik und die Erschließung geologischer Ressourcen in Deutschland mit Sitz in Ascheberg, Nordrhein-Westfalen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Negley's helps homeowners and businesses feel better about their water.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSurrey, BC, CanadaHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Since 1972, Mud Bay Drilling has built a strong reputation with clients in the field of geotechnical drilling, environmental drilling, and in-situ testing by providing high…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSurrey, BC, CanadaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Welcome to Blue Max Drilling (Blue Max Drilling Inc.), a geotechnical, environmental, construction and exploration drilling service provider with a presence across BC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKelowna, BC, CanadaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“GeoTility has been designing, installing, and servicing heating and cooling systems for more than 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSignal Hill, CA, United StatesHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAcheres, FranceHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“COTRASOL est une entreprise de forage pour l'eau et la géothermie, depuis 1963 nous réalisons des captages d'eau pour le bâtiment, l'adduction d'eau potable, l'irrigation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKirdford, United KingdomHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSeaham, United KingdomHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Drilcorp was established in 1992 and since then has developed into one of the UK’s top drilling companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSint-eloois-winkel, BelgiumHQ recorded Nov 6, 20261-1019 contacts →

Exact match

“Klimaatboringen BEO-velden Brondimensionering Putboringen”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRandolph, WI, United StatesHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“Sam's Well Drilling is the Midwest's premier drilling company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGorredijk, NetherlandsHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“REMBORG is specialist in bronboringen voor gesloten bodemenergie systemen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchElburg, NetherlandsHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Duratherm is een zelfstandig onderdeel van Draaijer Grondboringen Beheer BV.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNanterre, FranceHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“GEOTHER is an engineering and consulting company specializing in geothermal energy and, in a general way, in renewable energies, groundwater management and hydrogeotechnics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAuckland & Christchurch, New ZealandHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“McMillan Drilling is a leading multi-disciplinary drilling company operating throughout New Zealand and the Pacific.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 469 ground loop drilling contractors worldwide

See the full list, filter by size, metro and specialty, and access 768 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ground loop drilling contractors worldwide at a glance

As of Nov 6, 2026
24.8%Verified-email coverage
6.6Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
242
11-50
170
51-200
37
201-500
4
501-1,000
2

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 ground loop drilling contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “ground loop drilling 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 768 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.

Ground loop drilling contractors by location

3 lists · largest first

Every Ground loop drilling 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 “ground loop drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ground loop drilling contractors are there worldwide?

RevenueBase identified 469 company matches for ground loop drilling 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?

Thermaprime Drilling Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ground loop drilling contractors?

The United States leads with 100 companies, followed by the United Kingdom (51) and Germany (32). Every ground loop drilling contractors list by country and city is linked on this page.

Which city has the most ground loop drilling contractors?

London leads with 4 company records, followed by Stockholm (4) and Duncannon (3).

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 768 professional contacts with verified work emails tracked across these 469 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.

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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.