Company lists · Data refreshed September 2026

Top 25 Industrial transformers manufacturers based in France

Name: Industrial transformers manufacturers based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 88 companies tracked

RevenueBase identified 88 company matches for industrial transformers manufacturers associated with France as of September 2026 and tracks 12,391 professional contacts across them, including 807 with verified work emails. Lyon is the largest hub.

This list covers company matches for industrial transformers manufacturers 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

88Companies

12,391Contacts tracked

807Verified emails

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The 25 largest industrial transformers manufacturers based in France

Ranked by team size

Top 25 of 88 company matches for industrial transformers manufacturers 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	Sicame Group	Exact match	Lyon, FranceHQ recorded Sep 17, 2026	1,001-5,000	435 contacts →
	Exact match “Sicame Group is recognized as one of the world leaders specializing in the production and sale of accessories and services for the transmission and distribution of electrical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	SOTEB	Exact match	Lyon Aéroport Saint Exupéry, FranceHQ recorded Sep 17, 2026	201-500	276 contacts →
	Exact match “Les équipes SOTEB étudient, fabriquent, installent, mettent en service et assurent la maintenance des équipements électriques et de process auprès des grands sites industriels et…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Aventech	Exact match	Valence, FranceHQ recorded Sep 17, 2026	201-500	204 contacts →
	Exact match “Expert en conception, industrialisation, production d'équipements électriques critiques HT/BT en environnements sévères : ↳ Oïl & Gaz, Centrale nucléaire & process, Centrale…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Green Transfo SAS	Exact match	Cahors, FranceHQ recorded Sep 17, 2026	1,001-5,000	164 contacts →
	Exact match “At Green Transfo SAS, we are dedicated to providing our customers with the highest level of satisfaction through our commitment to quality products and exceptional service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	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
6	Dbt-Cev	Exact match	Brebières, FranceHQ recorded Sep 17, 2026	51-200	88 contacts →
	Exact match “DBT est un groupe industriel spécialisé dans la distribution de l’énergie.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	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
8	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
9	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
10	MAXEI	Exact match	Monchy Le Preux, FranceHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “Créée en 1898, ARRAS MAXEI est une société industrielle française spécialisée dans la conception, fabrication et maintenance de machines & équipements sur mesure pour de nombreux…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Augier Energy	Exact match	Carros, FranceHQ recorded Sep 17, 2026	11-50	36 contacts →
	Exact match “Founded in 1954, today located in the Eco-Vallée, the economic engine of the Nice Côte d'Azur Metropolis, 10 minutes from Nice International Airport, AUGIER Energy is the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Sadtem	Exact match	Douai, FranceHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “SADTEM est un acteur industriel GLOBAL reconnu de l’APPAREILLAGE ELECTRIQUE DE PUISSANCE en Moyenne et Haute Tension dans les domaines de la traction électrique, de la production…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Amphenol Auxel FTG	Exact match	Gondecourt, FranceHQ recorded Sep 17, 2026	201-500	29 contacts →
	Exact match “Amphenol AUXEL FTG is a global company that designs, manufactures, sells and provides support for interconnection and power distribution solutions in Electrical, Power Electronics…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Bernard Bonnefond	Exact match	St Etienne, FranceHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “VARIVOLT is an on-load stepless variable voltage transformer (0–20 MVA), used in the glass, steel, chemical industries, and test platforms.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Hazemeyer	Exact match	Gauchy, FranceHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Hazemeyer is a manufacturer specialised since 1930 in distribution and energy management solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	MYRRA	Exact match	Bussy-saint-georges, FranceHQ recorded Sep 17, 2026	201-500	24 contacts →
	Exact match “Myrra design and manufacture high-quality transformers and inductors for industrial use.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	SNT Duriez	Exact match	Le Grand-quevilly, FranceHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “SNT DURIEZ votre constructeur et réparateur de transformateurs électrique” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	BTB Industrie	Exact match	Gennevilliers, FranceHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “BTB INDUSTRIE est une entreprise générale d’Electricité spécialisée dans la conception et la réalisation d’installations électriques avec une offre sur des chantiers neuf, de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Securelec Socem	Exact match	Courrières, FranceHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Depuis 1954, Securelec Socem conçoit et fabrique des transformateurs et équipements électriques, du standard au sur-mesure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Kiloamps	Exact match	Le-chambon-feugerolles, FranceHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “KiloAmps is a medium-sized international company founded in KiloAmps specializes in the study, design and supply of high-current, low- and high-voltage power transmission.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	AEC Energy Services	Exact match	Alès, FranceHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Industrial Electrical Solutions HV / LV Expert We provide technical and logistical solutions to meet our customers' strategic challenges and conditions of use, wherever they are…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	LE Cosinus Transformateurs Électriques ET Bobinages	Exact match	77330, FranceHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Située en Ile de France, proche de Marne La Vallée, la société Le Cosinus se veut LE spécialiste de la conception et de la fabrication de transformateurs (Mono ou Triphasé) et…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Groupe Angel Larren	Exact match	Decazeville, FranceHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “Le Groupe ANGEL LARREN à travers la complémentarité de ses filiales ELIT et SLR, met à votre disposition ses 50 années d’expériences dans les métiers de l’énergie.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	RS Isolsec France	Exact match	Cepoy, FranceHQ recorded Sep 17, 2026	51-200	14 contacts →
	Exact match “Spécialiste des transformateurs de mesure depuis 1954, RS ISOLSEC offre une large gamme de transformateurs de courant, transformateurs de tension, transformateurs de protection…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Prefabat	Exact match	Gérardmer, FranceHQ recorded Sep 17, 2026	51-200	13 contacts →
	Exact match “PREFABAT est une entreprise spécialisée dans la conception et la fabrication de pieuvres électriques sur-mesure destinées à des chantiers de logements ou tertiaires.” 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 “industrial transformers manufacturers”. 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 88 industrial transformers manufacturers based in France

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Industrial transformers manufacturers based in France at a glance

As of Sep 17, 2026

6.5%Verified-email coverage

140.8Average contacts per company

11-50Median size (employees)

5.7%Largest-city concentration · Lyon

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

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 88 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 “industrial transformers manufacturers” 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 807 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 “industrial transformers manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial transformers manufacturers are there based in France?

RevenueBase identified 88 company matches for industrial transformers manufacturers 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?

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

Which city has the most industrial transformers manufacturers?

Lyon leads with 5 company records, followed by Paris (4) and Lanester (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 807 professional contacts with verified work emails tracked across these 88 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.