Company lists · Data refreshed October 2026

Top 25 Geothermal engineering companies based in France

Name: Geothermal engineering companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 145 companies tracked

RevenueBase identified 145 company matches for geothermal engineering companies associated with France as of October 2026 and tracks 1,648 professional contacts across them, including 649 with verified work emails. Paris is the largest hub.

This list covers company matches for geothermal engineering companies 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

145Companies

1,648Contacts tracked

649Verified emails

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The 25 largest geothermal engineering companies based in France

Ranked by team size

Top 25 of 145 company matches for geothermal engineering companies 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	Groupe Coriance	Exact match	Noisy-le-grand, FranceHQ recorded Oct 13, 2026	501-1,000	485 contacts →
	Exact match “Pour une énergie propre et mieux utilisée Notre mission : fournir des solutions énergétiques performantes et économiques, tout en minimisant l'impact environnemental.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Beicip-Franlab	Exact match	Rueil-malmaison, FranceHQ recorded Oct 13, 2026	51-200	224 contacts →
	Exact match “Beicip-Franlab is a leading Energy Consultancy and Software Editor created in the 1960's with recognized worldwide hands-on expertise.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Sofregaz SAS	Exact match	Puteaux, FranceHQ recorded Oct 13, 2026	51-200	133 contacts →
	Exact match “SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	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
5	Realtimeseismic	Exact match	Pau, FranceHQ recorded Oct 13, 2026	11-50	34 contacts →
	Exact match “Realtimeseismic is a leading geophysics services and technology solutions company – we are passionate about innovating to bring agile, accurate geophysics solutions to our valued…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Espace Temps	Exact match	Paris, FranceHQ recorded Oct 13, 2026	11-50	24 contacts →
	Exact match “Ingénierie thermique, énergétique et environnementale du bâtiment” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	Lemasson	Exact match	Agneaux, FranceHQ recorded Oct 13, 2026	11-50	23 contacts →
	Exact match “L’entreprise Lemasson créée en 1975, se situant à Agneaux dans la Manche dans la région de Normandie, est concepteur et fabricant de pompes à chaleur géothermiques.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Cotrasol	Exact match	Acheres, FranceHQ recorded Oct 13, 2026	11-50	22 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 · Oct 13, 2026 · View company records in RevenueBase
9	Bio-Énergies Diffusion	Exact match	Castanet-tolosan, FranceHQ recorded Oct 13, 2026	11-50	20 contacts →
	Exact match “Bio-Énergies Diffusion est le n°1 de la géothermie dans tout le Sud-Ouest de la France.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	Geosophy	Exact match	Paris, FranceHQ recorded Oct 13, 2026	11-50	20 contacts →
	Exact match “Vous souhaitez valoriser votre patrimoine immobilier, maîtriser sa consommation énergétique en lui assurant un approvisionnement local pour son confort thermique?” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Gaia Energie	Exact match	Lille, FranceHQ recorded Oct 13, 2026	11-50	18 contacts →
	Exact match “Gaia energie est une entreprise de génie climatique crée en 2017.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Stratégéo Conseil	Exact match	Grigny, FranceHQ recorded Oct 13, 2026	11-50	17 contacts →
	Exact match “StratéGéO Conseil est un bureau d'étude en Géothermie & Hydrogéologie basé au 26 rue des Carriers Italiens à Grigny (91), intervenant sur tout le territoire national.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Geother	Exact match	Nanterre, FranceHQ recorded Oct 13, 2026	1-10	16 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 · Oct 13, 2026 · View company records in RevenueBase
14	TLS Geothermics	Exact match	Toulouse, FranceHQ recorded Oct 13, 2026	11-50	15 contacts →
	Exact match “TLS Geothermics is a geoscience tech company, exploring and developing geothermal projects for power, heat, cold and byproducts.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Drillheat	Exact match	Maisse (91), FranceHQ recorded Oct 13, 2026	11-50	15 contacts →
	Exact match “Expert en forage géothermique de surface.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Geothermaq	Exact match	Pau, FranceHQ recorded Oct 13, 2026	1-10	14 contacts →
	Exact match “GEOTHERMAQ est une société résolument engagée dans la transition énergétique.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Cena Ingénierie	Exact match	Bassens, FranceHQ recorded Oct 13, 2026	11-50	13 contacts →
	Exact match “CENA Ingénierie est un Bureau d’Etudes Techniques en ingénierie des fluides du bâtiment, spécialisé en énergies renouvelables (géothermie, biomasse, solaire thermique…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Energeco SAS	Exact match	Bas En Basset, FranceHQ recorded Oct 13, 2026	11-50	12 contacts →
	Exact match “Installateur conseil Chauffage Plomberie Sanitaire Climatisation Ventilation Energies Renouvelables Intervention Loire & Haute Loire Le secteur des Energies Renouvelables est…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Géotec Energie	Exact match	Plaisir, FranceHQ recorded Oct 13, 2026	11-50	11 contacts →
	Exact match “La société Géotec Energie, filiale du Groupe Géotec, est spécialisée dans la réalisation de forages géothermiques sur sondes.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Geofluid	Exact match	Roissy-En-France, FranceHQ recorded Oct 13, 2026	11-50	9 contacts →
	Exact match “GEOFLUID is a geothermal engineering and service company based in FRANCE, France.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Gasparini Puits	Exact match	Castelmaurou, FranceHQ recorded Oct 13, 2026	11-50	9 contacts →
	Exact match “Gasparini Puits est une entreprise familiale experte dans les chantiers de fondations spéciales et de géothermie, basée à Castelmaurou.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Ingen Innovations Geosciences	Exact match	St Apollinaire, FranceHQ recorded Oct 13, 2026	11-50	9 contacts →
	Exact match “Chez INGEN INNOVATIONS GEOSCIENCES, nous nous engageons à repousser les limites de la technologie pour fournir des solutions innovantes en géologie et géophysique, adaptées aux…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Curistec	Exact match	Neuville-sur-saône, FranceHQ recorded Oct 13, 2026	11-50	8 contacts →
	Exact match “Globally, the reduction of greenhouse gases has transitioned from a simple groundswell into one of tsunamic proportion.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	Inthersanit	Exact match	La Motte Servolex, FranceHQ recorded Oct 13, 2026	11-50	8 contacts →
	Exact match “INTHERSANIT is a construction company based out of 273 RUE DENIS PAPIN, LA MOTTE SERVOLEX, France.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Cebi45	Exact match	Orléans, FranceHQ recorded Oct 13, 2026	1-10	7 contacts →
	Exact match “CEBI 45 est un bureau d'études à taille humaine qui réalise des études et dessins dans le secteur de l'énergie et des fluides appliqués au 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 engineering companies”. 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 145 geothermal engineering companies based in France

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Geothermal engineering companies based in France at a glance

As of Oct 13, 2026

39.4%Verified-email coverage

11.4Average contacts per company

1-10Median size (employees)

4.1%Largest-city concentration · Paris

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 145 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 engineering companies” 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 649 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 engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal engineering companies are there based in France?

RevenueBase identified 145 company matches for geothermal engineering companies 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?

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

Which city has the most geothermal engineering companies?

Paris leads with 6 company records, followed by Orleans (5) and Pau (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 649 professional contacts with verified work emails tracked across these 145 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.