Company lists · Data refreshed November 2026

Top 25 Geothermal maintenance services based in the Netherlands

RevenueBase identified 103 company matches for geothermal maintenance services associated with the Netherlands as of November 2026 and tracks 931 professional contacts across them, including 447 with verified work emails. Zwanenburg is the largest hub.

This list covers company matches for geothermal maintenance services associated with the Netherlands, 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.

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
103Companies
931Contacts tracked
447Verified emails
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The 25 largest geothermal maintenance services based in the Netherlands

Ranked by team size
Top 25 of 103 company matches for geothermal maintenance services based in the Netherlands, 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 matchZwanenburg, NetherlandsHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAlkmaar, NetherlandsHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“ESNW is een toonaangevend én leuk bedrijf met ruim 120 gemotiveerde medewerkers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchVeldhoven, NetherlandsHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Sankomij Installatietechniek BV verzorgt installatiewerkzaamheden in nieuwbouw, renovatie en groot onderhoud.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPurmerend, NetherlandsHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Voor al uw wensen op het gebied van verwarming en warmwater bent u bij ons aan het juiste adres!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDokkum, NetherlandsHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“ASN Installaties zorgt voor de installatie, service en onderhoud van cv-ketels, geisers,(zonne-)boilers en zonnepanelen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUrk, NetherlandsHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Bij Hartman Installatie in Urk, Hardenberg en Zwolle werken we elke dag aan duurzaam comfort.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHulst, NetherlandsHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Poppe Installatietechniek is specialist in het aanleggen, onderhouden en repareren van volledige klimaatinstallaties in woningen, utiliteitsgebouwen en scholen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDiever, NetherlandsHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Onze passie: meer comfort, minder energie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchEmmen, NetherlandsHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“We are a company in the petrochemical and geothermal industry who is specialized in the maintenance and re-certification of equipment used in these industries such as- High…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHeerenveen, NetherlandsHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Energie Service Friesland is de grootste onafhankelijke serviceorganisatie in Fryslân op het gebied van verwarming, warm water, koeling en duurzame technieken.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEindhoven, NetherlandsHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“VvE's: technisch onderhoud, planmatig onderhoud, verduurzaming, MJOP's, maatwerkadviezen en EPA's”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMonster, NetherlandsHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Scholtes verzorgt de aanleg, het onderhoud en de service van centrale verwarmingsinstallaties, warmwater- en gasinstallaties, airconditioning, ventilatiesystemen…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMiddenmeer, NetherlandsHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Inco-Drilling provides Directional Drilling Services focused on applying fit for purpose technology and a competent team to achieve cost effective solutions for Geothermal, Oil &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHeemskerk, NetherlandsHQ recorded Nov 6, 20261-1016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAe, NetherlandsHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Gas, water en elektra.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWormer, NetherlandsHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Bent u op zoek naar een installateur?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLexmond, NetherlandsHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Wij zijn Installatiebedrijf Midden-Nederland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOldenzaal, NetherlandsHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Collectief Onderhoud is de warmtespecialist achter de voordeur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Bij Jord leveren we systemen voor gezonde, fossielvrije warmte en verkoeling as a service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDrachten, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Installatie, reparatie en onderhoud van systemen voor klimaatbeheersing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNieuwerbrug, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Ben jij op zoek naar een goede en duurzame oplossing?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchZwaagdijk-oost, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Bakker Klimaat is een service gericht installatiebedrijf.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHuizen, NetherlandsHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Schipper Installatie is een totaal installatiebedrijf waar u terecht kunt voor alle wensen op het gebied van de installatietechniek, van de bekende druppelende kraan, onderhoud…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDordrecht, NetherlandsHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Al meer dan 100 jaar een gevestigde naam binnen Dordrecht.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGroningen, NetherlandsHQ recorded Nov 6, 20261-107 contacts →

Exact match

“AE Systems is dé specialist van Nederland op het gebied van machinale grondboringen t.b.v.”

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

Showing 25 of 103 geothermal maintenance services based in the Netherlands

See the full list, filter by size, metro and specialty, and access 447 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal maintenance services based in the Netherlands at a glance

As of Nov 6, 2026
48.0%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · Zwanenburg
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
54
11-50
35
51-200
10
201-500
1

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 103 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the Netherlands whose business descriptions match “geothermal maintenance services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 447 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.

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

How many geothermal maintenance services are there based in the Netherlands?

RevenueBase identified 103 company matches for geothermal maintenance services associated with the Netherlands 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?

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

Which city has the most geothermal maintenance services?

Zwanenburg leads with 3 company records, followed by Ae (2) and Amersfoort (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 447 professional contacts with verified work emails tracked across these 103 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.