Company lists · Data refreshed October 2026

Top 25 Geothermal system maintenance contractors based in France

Name: Geothermal system maintenance contractors based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 1,186 companies tracked

RevenueBase identified 1,186 company matches for geothermal system maintenance contractors associated with France as of October 2026 and tracks 7,683 professional contacts across them, including 1,112 with verified work emails. Paris is the largest hub.

This list covers company matches for geothermal system maintenance contractors associated with France, 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.

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

1,186Companies

7,683Contacts tracked

1,112Verified emails

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The 25 largest geothermal system maintenance contractors based in France

Ranked by team size

Top 25 of 1,186 company matches for geothermal system maintenance contractors based in France, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Dalkia EN	Exact match	Courbevoie, FranceHQ recorded Oct 13, 2026	501-1,000	530 contacts →
	Exact match “Sur les centrales nucléaires du groupe EDF, nous intervenons sur tous les types de bâtiments, à la fois de production et tertiaires.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Vitaclim	Exact match	Montpellier, FranceHQ recorded Oct 13, 2026	201-500	133 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	E2s	Exact match	Villeurbanne, FranceHQ recorded Oct 13, 2026	201-500	119 contacts →
	Exact match “E2S, prend en charge l'entretien, le dépannage, les travaux de rénovation et d'optimisation, pour vos équipements, notamment de chauffage collectif, de petites et moyennes…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Fouchard L Fayat Énergie Services	Exact match	Coutances, FranceHQ recorded Oct 13, 2026	201-500	105 contacts →
	Exact match “Fouchard conçoit et met en place tous types d’installations de génie climatique pour les industriels, les professionnels comme les particuliers.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Bobion & Joanin Groupe Bily	Exact match	Lons, FranceHQ recorded Oct 13, 2026	201-500	88 contacts →
	Exact match “Fondée en 1983 par Patrice Bobion (artisan électricien) et Jean-Pierre Joanin (artisan plombier) l’entreprise Bobion & Joanin est devenue en près de 40 ans un acteur majeur du…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Cegeclim Energies	Exact match	Anglet, FranceHQ recorded Oct 13, 2026	11-50	51 contacts →
	Exact match “CEGECLIM ENERGIES est le Concessionnaire agréé HITACHI Cooling & Heating de BOSCH Home Confort Group sur la Nouvelle Aquitaine.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	CFG Geothermal	Exact match	Orleans, FranceHQ recorded Oct 13, 2026	11-50	47 contacts →
	Exact match “CFG Services est une société de services et d’ingénierie, filiale à 100% du BRGM, spécialisée en géothermie qui dès le début des années 80 a été pionnière dans le développement…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	FJF Energies	Exact match	Beauce La Romaine, FranceHQ recorded Oct 13, 2026	11-50	44 contacts →
	Exact match “L'entreprise FJF ENERGIES, est née de la fusion entre FJF Plomberie et FJF Réfrigération pour vous proposer l’offre de service la plus complète possible en termes de solutions…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Disdero	Exact match	Vélizy-villacoublay, FranceHQ recorded Oct 13, 2026	51-200	43 contacts →
	Exact match “Créée en 1949, l’entreprise Disdero s’est imposée comme un acteur majeur du chauffage collectif en région parisienne, avec plus de 1.500 contrats de maintenance (P1, P2, P3, P4).” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	J&p Facilities	Exact match	Suresnes, FranceHQ recorded Oct 13, 2026	11-50	41 contacts →
	Exact match “Audit, réalisation et maintenance de vos projets CVC, plomberie, électricité et énergie renouvelable.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Osmose	Exact match	Roquefort Les Pins, FranceHQ recorded Oct 13, 2026	11-50	36 contacts →
	Exact match “Leader du secteur du CVC et de l'efficacité énergétique, Osmose fournit des solutions innovantes et clés en main aux industriels.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Rhin Climatisation	Exact match	Eckbolsheim, FranceHQ recorded Oct 13, 2026	11-50	35 contacts →
	Exact match “Fondée en 1967, la société RHIN CLIMATISATION est une entreprise spécialisée dans l'installation et la maintenance d'équipements de climatisation, chauffage, ventilation…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Froid Palombi	Exact match	Cavaillon, FranceHQ recorded Oct 13, 2026	11-50	33 contacts →
	Exact match “Depuis 40 ans nous mettons notre passion et nos compétences au service des professionnels et des particuliers, pour proposer des solutions de climatisation et de chauffage…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Largier Technologie	Exact match	Vals Les Bains, FranceHQ recorded Oct 13, 2026	51-200	33 contacts →
	Exact match “LARGIER TECHNOLOGIE is a construction company based out of RUE DU VOLTOUR, VALS LES BAINS, France.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	A'climatis	Exact match	Vendargues, FranceHQ recorded Oct 13, 2026	11-50	32 contacts →
	Exact match “Depuis plus de 15 ans, A'Climatis allie prix compétitifs et produits de grande qualité pour vous offrir une gamme hautement sélective.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Proxiserve IDF Normandie	Exact match	Paris, FranceHQ recorded Oct 13, 2026	501-1,000	30 contacts →
	Exact match “Acteur majeur de la transition énergétique et leader des services à l’habitat, PROXISERVE apporte à ses clients des solutions innovantes leur permettant de réduire leur…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Cisepz	Exact match	Grenoble, FranceHQ recorded Oct 13, 2026	51-200	30 contacts →
	Exact match “Acteur de pointe du génie climatique dans notre région depuis 1938, le groupe CISEPZ dispose d’une organisation pour entreprises et particuliers lui permettant d’étudier, de…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	ANÉO	Exact match	Baillargues, FranceHQ recorded Oct 13, 2026	51-200	28 contacts →
	Exact match “À l’origine, nous, Philippe Gschwind et Nicolas Besson, étions deux salariés du secteur énergétique.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	JCM Confort	Exact match	Beaucouzé, FranceHQ recorded Oct 13, 2026	11-50	26 contacts →
	Exact match “Spécialistes des systèmes de chauffage basés sur les énergies renouvelables, implantés à Beaucouzé, nous intervenons sur l'ensemble de la région angevine (à Angers, Saumur…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Axenergie	Exact match	Paris, FranceHQ recorded Oct 13, 2026	1-10	26 contacts →
	Exact match “Axenergie installation et entretien de votre chauffage Pour votre tranquillité et votre sécurité faites confiance aux entreprises qualifiées du réseau Axenergie, dont la vocation…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Electrogaz	Exact match	Saint-laurent-du-var, FranceHQ recorded Oct 13, 2026	51-200	26 contacts →
	Exact match “Electrogaz est Expert des solutions de chauffage depuis 1958, nous intervenons pour le dépannage, l’entretien et l’installation des systèmes de production d’eau chaude et de…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Clim-Mag	Exact match	Pérols, FranceHQ recorded Oct 13, 2026	11-50	25 contacts →
	Exact match “Créée en 2008, CLIM-MAG est une entreprise spécialisée dans les métiers de la climatisation et du chauffage au service des enseignes et des clients multi-sites, plus…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Avenna	Exact match	Nancy, FranceHQ recorded Oct 13, 2026	11-50	24 contacts →
	Exact match “Avenna rend les bâtiments plus performants en fournissant des services essentiels qui améliorent leur efficacité énergétique, renforcent leur fiabilité et optimisent le confort…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	Saint Eloi Fougere	Exact match	Montamise, FranceHQ recorded Oct 13, 2026	11-50	24 contacts →
	Exact match “Saint Eloi Fougère propose des services aux Professionnels de l'immobilier ou à ceux qui gèrent des bâtiments tertiaires, publics ou privés.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Andreu Genie Climatique	Exact match	Bailly Romainvilliers, FranceHQ recorded Oct 13, 2026	51-200	23 contacts →
	Exact match “NOTRE ADN: Nous sommes des techniciens spécialisés en génie climatique, génie électrique et gestion technique du bâtiment.” Recorded in the RevenueBase company graph · Oct 13, 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 system maintenance 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 1,186 geothermal system maintenance contractors based in France

See the full list, filter by size, metro and specialty, and access 1,112 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal system maintenance contractors based in France at a glance

As of Oct 13, 2026

14.5%Verified-email coverage

6.5Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Paris

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

783

11-50

324

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 1,186 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 France whose business descriptions match “geothermal system maintenance 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 1,112 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.

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

How many geothermal system maintenance contractors are there based in France?

RevenueBase identified 1,186 company matches for geothermal system maintenance contractors associated with France 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?

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

Which city has the most geothermal system maintenance contractors?

Paris leads with 20 company records, followed by Toulouse (10) and Marseille (8).

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 1,112 professional contacts with verified work emails tracked across these 1,186 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.