Company lists · Data refreshed November 2026

Top 25 Shallow geothermal installers worldwide

RevenueBase identified 662 company matches for shallow geothermal installers worldwide as of November 2026 and tracks 3,615 professional contacts across them, including 1,282 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for shallow geothermal installers 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 shallow geothermal installers 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
662Companies
3,615Contacts tracked
1,282Verified emails
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The 25 largest shallow geothermal installers worldwide

Ranked by team size
Top 25 of 662 company matches for shallow geothermal installers 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 matchVoorburg, NetherlandsHQ recorded Nov 6, 202651-200158 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
2Exact 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
3Exact matchArmonk, NY, United StatesHQ recorded Nov 6, 202651-200111 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
4Exact matchPirkkala, FinlandHQ recorded Nov 6, 202651-20072 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
5Exact matchClamart, FranceHQ recorded Nov 6, 202651-20069 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
6Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“Energy Machines is a leading provider of integrated energy systems that decarbonize heating and cooling while reducing operating costs for real estate owners, municipalities, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAncaster, ON, CanadaHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“For all business inquiries, contact the Geosource team at info@geosourceenergy.com- Devoted to the pursuit of innovation and excellence as a leading geoexchange specialist, we are…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact 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
10Exact 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
11Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Diverso Energy is North America’s first fully vertically integrated geothermal utility company, helping developers, building owners, and investors deliver low-carbon heating and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEspoo, FinlandHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Tarjoamme maalämpöä palveluna yrityksille ja taloyhtiöille.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBrämhult, SwedenHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“MuoviTech is the European leader in installation products for geothermal energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchS.s. Reyes, SpainHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Energía geotérmica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Geothermal Systems are becoming a critical component in the effort to make buildings more environmentally friendly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Green Therma develops next-generation geothermal solutions for district heating and industrial applications, delivering reliable, renewable heat from deep beneath the Earth's…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVantaa, FinlandHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Tom Allen Senera Oy is one of the leading providers of heating and cooling solutions to residential and commercial buildings in Finland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCórdoba, SpainHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Soluciones completas de climatización.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Our mission is to transform the heating & cooling of buildings, using geothermal energy to radically reduce costs for people and the environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchHaarlem, NetherlandsHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“VHGM is een toonaangevend specialistisch ontwerp- en adviesbureau met een deskundigheid op het gebied van Bodemenergie en Aquathermie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNuneaton, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Our aim is to provide renewable energy systems for properties that would clearly benefit from them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSchuby, GermanyHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“FUTURA Fundamentsysteme ist seit dem Jahr deutschlandweit führend in der Lieferung und Montage von EnergieSpar-Bodenplatten.”

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

Showing 25 of 662 shallow geothermal installers worldwide

See the full list, filter by size, metro and specialty, and access 1,282 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Shallow geothermal installers worldwide at a glance

As of Nov 6, 2026
35.5%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
354
11-50
247
51-200
39
201-500
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 shallow geothermal installers are linked below.
What qualifies
Company records worldwide whose business descriptions match “shallow geothermal installers” 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 1,282 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.

Shallow geothermal installers by location

8 lists · largest first

Every Shallow geothermal installers 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 “shallow geothermal installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many shallow geothermal installers are there worldwide?

RevenueBase identified 662 company matches for shallow geothermal installers 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?

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

Which country has the most shallow geothermal installers?

The United States leads with 118 companies, followed by the Netherlands (58) and France (56). Every shallow geothermal installers list by country and city is linked on this page.

Which city has the most shallow geothermal installers?

Calgary leads with 7 company records, followed by Madrid (5) and Vantaa (4).

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 1,282 professional contacts with verified work emails tracked across these 662 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.