Company lists · Data refreshed September 2026

Top 25 Railway electrification companies based in France

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 247 companies tracked

RevenueBase identified 247 company matches for railway electrification companies associated with France as of September 2026 and tracks 7,907 professional contacts across them, including 2,672 with verified work emails. Paris is the largest hub.

This list covers company matches for railway electrification 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 September 17, 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 17, 2026 How this list was built

247Companies

7,907Contacts tracked

2,672Verified emails

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The 25 largest railway electrification companies based in France

Ranked by team size

Top 25 of 247 company matches for railway electrification companies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	TSO	Exact match	Chelles, FranceHQ recorded Sep 17, 2026	1,001-5,000	1,109 contacts →
	Exact match “With more than 90 years’ experience in France and internationally, TSO (subsidiary of NGE) puts its expertise to work on: • rail services resumed between Oloron and Bedous • track…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Sferis	Exact match	Paris, FranceHQ recorded Sep 17, 2026	1,001-5,000	714 contacts →
	Exact match “Date de création : Février 2012 Groupe : SNCF Directeur : M.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Vossloh Switch Systems	Exact match	Rueil-malmaison, FranceHQ recorded Sep 17, 2026	1,001-5,000	603 contacts →
	Exact match “The Vossloh Switch Systems division develops and manufactures switch systems for rail infrastructure, which must be individually adapted to the customer and the project.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Dalkia Electrotechnics	Exact match	Paris La Défense Cedex, FranceHQ recorded Sep 17, 2026	1,001-5,000	347 contacts →
	Exact match “Dalkia Electrotechnics entre dans une nouvelle ère et rejoint EDF business services!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Geismar Rail Industry Technologies & Services	Exact match	Colmar, FranceHQ recorded Sep 17, 2026	501-1,000	327 contacts →
	Exact match “For almost a century, teams from Geismar have been bringing their passion and expertise to the development of rail transport.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Groupe Allez	Exact match	Paris, FranceHQ recorded Sep 17, 2026	1,001-5,000	274 contacts →
	Exact match “Fondée en 1932 par Bernard Allez, la société ALLEZ s’est rapidement spécialisée dans la construction de réseaux électriques.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	SCLE	Exact match	Toulouse, FranceHQ recorded Sep 17, 2026	201-500	212 contacts →
	Exact match “Devices and systems for high-voltage substations and rail signaling” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Bentin	Exact match	Aulnay-sous-bois, FranceHQ recorded Sep 17, 2026	201-500	158 contacts →
	Exact match “Basée en Ile de France depuis 1959, l’entreprise BENTIN propose à ses clients des réponses adaptées pour la conception, la réalisation et la maintenance des installations…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Saferail SAS	Exact match	Nantes, FranceHQ recorded Sep 17, 2026	51-200	106 contacts →
	Exact match “Présent depuis 2003 dans l’Ingénierie et l’Ingénierie-Conseil du Contrôle-Commande et Signalisation ferroviaire, SAFERAIL est aujourd’hui Leader dans son domaine en France.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Spie Thépault	Exact match	Cergy, FranceHQ recorded Sep 17, 2026	201-500	98 contacts →
	Exact match “SPIE Thépault est le spécialiste historique des réseaux électriques haute tension.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Sicame France	Exact match	Arnac-pompadour, FranceHQ recorded Sep 17, 2026	1,001-5,000	80 contacts →
	Exact match “Votre spécialiste de l’équipement électrique réseaux depuis plus de 65ans.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	LAFON	Exact match	Tremblay-En-France, FranceHQ recorded Sep 17, 2026	51-200	72 contacts →
	Exact match “LAFON conçoit, installe et assure la maintenance de vos installations électriques courants forts et faibles.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	SDCEM	Exact match	Champagnier, FranceHQ recorded Sep 17, 2026	51-200	66 contacts →
	Exact match “Since 1947, SDCEM has developed a renowned know-how in designing and manufacturing of switching solutions, offering the widest range of Medium Voltage (MV), High Voltage (HV) &…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	ELO Énergie	Exact match	Grandchamp Des Fontaines, FranceHQ recorded Sep 17, 2026	51-200	65 contacts →
	Exact match “ELO énergie est spécialiste de l'expertise, de l'ingénierie et de la construction d‘installations haute et très haute tension depuis 2006.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Catesis	Exact match	Goussainville, FranceHQ recorded Sep 17, 2026	51-200	65 contacts →
	Exact match “CATESIS est une PME dynamique qualifiée par SNCF RESEAU et intervenant sur les domaines de la caténaire (Etudes d'exécutions, Travaux et Maintenance caténaire et LAC, Prestations…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Enfrasys	Exact match	Rillieux-la-pape, FranceHQ recorded Sep 17, 2026	51-200	63 contacts →
	Exact match “Depuis plus de 40 ans, Enfrasys propose de mettre à la disposition de des projets qui lui sont confiés, son expertise des métiers de - Conception : FMDS, Conception, Avant…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Euptech	Exact match	Meylan, FranceHQ recorded Sep 17, 2026	11-50	61 contacts →
	Exact match “EUPTECH vous accompagne dans la mise en place de vos Travaux Neufs, Ingénierie, Rénovation & Maintenance, en France et à l’international.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Lautech	Exact match	Lanester, FranceHQ recorded Sep 17, 2026	51-200	60 contacts →
	Exact match “LAUTECH est une société du groupe ALLEZ, spécialisée dans la conception, la fabrication et la réalisation des - Postes de livraison au poste de transformation HTA/BT-…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Epsys Devient Cahors Solutions Intégrées	Exact match	Saint Alban Leysse, FranceHQ recorded Sep 17, 2026	201-500	57 contacts →
	Exact match “EPSYS, depuis 90 ans et plus de postes livrés est le leader sur le marché français de la production de solutions préfabriquées.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	ENTRA	Exact match	Aubervilliers, FranceHQ recorded Sep 17, 2026	51-200	53 contacts →
	Exact match “Créée en 1945, la société ENTRA, filiale du Groupe SYLPA depuis 2017, ancrée historiquement sur le bassin économique de la Seine Saint Denis et du Val d'Oise, adresse ses…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	DVF	Exact match	Chevigny St Sauveur, FranceHQ recorded Sep 17, 2026	51-200	49 contacts →
	Exact match “DVF - Travaux Ferroviaires” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	TGSO	Exact match	Redon, FranceHQ recorded Sep 17, 2026	11-50	36 contacts →
	Exact match “Créé en 1991, il y a plus de 30 ans, TGSO est un Bureau d’études en signalisation ferroviaire.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Infra-Build	Exact match	Camon, FranceHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Vapé Rail International A Vossloh Company	Exact match	Montreal La Cluse, FranceHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “System Manufacturer for Railway infrastructure including Train, Tram, Subway and Tunnel Core Business: Plastic Part design, 3D Calculation (Mechanical stress), Simulation…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Finelec IDF	Exact match	Sevres, FranceHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “L'entreprise FINELEC IDF est experte dans le domaine des installations Courants Forts et Courants Faibles, elle conçoit et réalise des projets pour répondre aux exigences de ses…” Recorded in the RevenueBase company graph · Sep 17, 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 “railway electrification 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 247 railway electrification companies based in France

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Railway electrification companies based in France at a glance

As of Sep 17, 2026

33.8%Verified-email coverage

32.0Average contacts per company

11-50Median size (employees)

5.3%Largest-city concentration · Paris

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

107

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 247 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 “railway electrification 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 2,672 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 17, 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 “railway electrification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway electrification companies are there based in France?

RevenueBase identified 247 company matches for railway electrification companies associated with France 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?

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

Which city has the most railway electrification companies?

Paris leads with 13 company records, followed by Chelles (3) and Genay (3).

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 2,672 professional contacts with verified work emails tracked across these 247 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 17, 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.