Company lists · Data refreshed September 2026

Top 25 Geothermal installation contractors based in the Netherlands

Name: Geothermal installation contractors based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 372 companies tracked

RevenueBase identified 372 company matches for geothermal installation contractors associated with the Netherlands as of September 2026 and tracks 2,799 professional contacts across them, including 1,150 with verified work emails. Ae is the largest hub.

This list covers company matches for geothermal installation contractors 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 September 16, 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 Sep 16, 2026 How this list was built

372Companies

2,799Contacts tracked

1,150Verified emails

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The 25 largest geothermal installation contractors based in the Netherlands

Ranked by team size

Top 25 of 372 company matches for geothermal installation contractors based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Sep 16, 2026	1,001-5,000	781 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Bonarius Bedrijven	Exact match	Zwanenburg, NetherlandsHQ recorded Sep 16, 2026	201-500	186 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 · Sep 16, 2026 · View company records in RevenueBase
3	Koelplan Airconditioning & Warmtepompen	Exact match	Soesterberg, NetherlandsHQ recorded Sep 16, 2026	51-200	57 contacts →
	Exact match “Koelplan Airconditioning & Warmtepompen is een vooruitstrevende klimaat installateur met focus op energiezuinige en vernieuwende klimaatbeheersingstechnologie.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Breman Zuid	Exact match	Drunen, NetherlandsHQ recorded Sep 16, 2026	51-200	45 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	VAN Hoften Installatietechniek BV	Exact match	Hardinxveld-Giessendam, NetherlandsHQ recorded Sep 16, 2026	51-200	45 contacts →
	Exact match “Wanneer je op zoek bent naar innovatieve en duurzame installatietechniek voor sanitair en klimaatinstallaties zijn wij de juiste partner.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Paans Installatiebedrijven BV	Exact match	Meerkerk, NetherlandsHQ recorded Sep 16, 2026	51-200	42 contacts →
	Exact match “Paans Installatiebedrijven is al sinds de oprichting in 1964 een uitstekende naam in de installatie branche.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	ASN Installaties	Exact match	Dokkum, NetherlandsHQ recorded Sep 16, 2026	11-50	33 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 · Sep 16, 2026 · View company records in RevenueBase
8	Hartman Installatie	Exact match	Urk, NetherlandsHQ recorded Sep 16, 2026	51-200	32 contacts →
	Exact match “Bij Hartman Installatie in Urk, Hardenberg en Zwolle werken we elke dag aan duurzaam comfort.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Poppe Installatietechniek	Exact match	Hulst, NetherlandsHQ recorded Sep 16, 2026	51-200	30 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 · Sep 16, 2026 · View company records in RevenueBase
10	Heluto BV	Exact match	Diever, NetherlandsHQ recorded Sep 16, 2026	51-200	29 contacts →
	Exact match “Onze passie: meer comfort, minder energie.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	TER Harmsel Sanitair EN Installatietechniek Rijssen	Exact match	Ae, NetherlandsHQ recorded Sep 16, 2026	11-50	24 contacts →
	Exact match “Gas, water en elektra.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	VAN DEN Hoff Installatiebedrijf BV	Exact match	Eindhoven, NetherlandsHQ recorded Sep 16, 2026	11-50	21 contacts →
	Exact match “VAN DEN HOFF Installatiebedrijf is al bijna 85 jaar vakkundig en energiek aan de slag in de installatiebranche in de regio Eindhoven.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	P. Jansen Installatietechniek B.V	Exact match	Bergen Op Zoom, NetherlandsHQ recorded Sep 16, 2026	51-200	20 contacts →
	Exact match “P.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Vredenburg	Exact match	Steenwijk, NetherlandsHQ recorded Sep 16, 2026	11-50	20 contacts →
	Exact match “Sinds de oprichting in 1922 staat Vredenburg Installatietechniek bekend als een innovatieve installateur.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Remborg Bodemenergie	Exact match	Gorredijk, NetherlandsHQ recorded Sep 16, 2026	51-200	20 contacts →
	Exact match “REMBORG is specialist in bronboringen voor gesloten bodemenergie systemen.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Dries Rolde B.V.	Exact match	Rolde, NetherlandsHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “Dries Rolde is een ervaren installatiebedrijf in Drenthe sinds 1971.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Aj.Loots BV	Exact match	Eindhoven, NetherlandsHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “A.J.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Duratherm	Exact match	Elburg, NetherlandsHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match “Duratherm is een zelfstandig onderdeel van Draaijer Grondboringen Beheer BV.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Porskamp Installatietechniek B.V	Exact match	Lichtenvoorde, NetherlandsHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Inco-Drilling	Exact match	Middenmeer, NetherlandsHQ recorded Sep 16, 2026	11-50	16 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 · Sep 16, 2026 · View company records in RevenueBase
21	Aqualon VAN Zutphen Installatietechniek B.V	Exact match	Eersel, NetherlandsHQ recorded Sep 16, 2026	11-50	15 contacts →
	Exact match “Morgen is een mooie dag.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Havelaar B.V. Duurzame Installatietechniek	Exact match	Leerdam, NetherlandsHQ recorded Sep 16, 2026	11-50	15 contacts →
	Exact match “Havelaar B.V.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Alwako Installaties	Exact match	Valkenswaard, NetherlandsHQ recorded Sep 16, 2026	11-50	15 contacts →
	Exact match “Als designers van comfort op het gebied van warmte & koude techniek, sanitair en service & onderhoud voor particulieren en bedrijven, zijn wij een verrijking voor het dagelijkse…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Scholtes BV	Exact match	Monster, NetherlandsHQ recorded Sep 16, 2026	11-50	15 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 · Sep 16, 2026 · View company records in RevenueBase
25	M&o Techniek	Exact match	Wormer, NetherlandsHQ recorded Sep 16, 2026	11-50	14 contacts →
	Exact match “Bent u op zoek naar een installateur?” Recorded in the RevenueBase company graph · Sep 16, 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 372 geothermal installation contractors based in the Netherlands

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Geothermal installation contractors based in the Netherlands at a glance

As of Sep 16, 2026

41.1%Verified-email coverage

7.5Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Ae

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

181

11-50

156

51-200

201-500

1,001-5,000

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 372 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 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. 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 1,150 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 September 16, 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 installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal installation contractors are there based in the Netherlands?

RevenueBase identified 372 company matches for geothermal installation contractors associated with the Netherlands as of September 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?

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

Which city has the most geothermal installation contractors?

Ae leads with 5 company records, followed by Aw (5) and Pd (5).

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 1,150 professional contacts with verified work emails tracked across these 372 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 September 16, 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.