Company lists · Data refreshed November 2026

Top 25 Grid modernization contractors based in France

Name: Grid modernization contractors based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 143 companies tracked

RevenueBase identified 143 company matches for grid modernization contractors associated with France as of November 2026 and tracks 12,205 professional contacts across them, including 1,795 with verified work emails. Paris is the largest hub.

This list covers company matches for grid modernization 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 November 6, 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 Nov 6, 2026 How this list was built

143Companies

12,205Contacts tracked

1,795Verified emails

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The 25 largest grid modernization contractors based in France

Ranked by team size

Top 25 of 143 company matches for grid modernization contractors based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Omexom	Exact match	Nanterre, FranceHQ recorded Nov 6, 2026	5,001-10,000	2,108 contacts →
	Exact match “With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Cahors	Exact match	Cahors, FranceHQ recorded Nov 6, 2026	1,001-5,000	397 contacts →
	Exact match “Connecting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	TSO Catenaires	Exact match	Chelles, FranceHQ recorded Nov 6, 2026	501-1,000	368 contacts →
	Exact match “Chez TSO CATENAIRES, nous sommes spécialisés dans la conception, l’installation et la maintenance de systèmes d’alimentation et d’électrification, des structures essentielles pour…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Groupe Allez	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	304 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 · Nov 6, 2026 · View company records in RevenueBase
5	Serpollet	Exact match	Vénissieux, FranceHQ recorded Nov 6, 2026	201-500	206 contacts →
	Exact match “Entreprise phare du groupe SERFIM, SERPOLLET possède un savoir-faire de 140 ans dans le domaine des travaux publics et développe ses compétences dans la création des réseaux…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	EDF International Networks	Exact match	La Defense, FranceHQ recorded Nov 6, 2026	51-200	203 contacts →
	Exact match “EDF International Networks, Bringing World‑Class Distribution Expertise to Utilities Worldwide As a subsidiary of the EDF Group (France), one of the global leaders in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	RTE International	Exact match	Courbevoie, FranceHQ recorded Nov 6, 2026	51-200	107 contacts →
	Exact match “RTE international is a consultancy and engineering company whose activities cover all areas of electricity transmission.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Spie Thépault	Exact match	Cergy, FranceHQ recorded Nov 6, 2026	201-500	103 contacts →
	Exact match “SPIE Thépault est le spécialiste historique des réseaux électriques haute tension.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Actia Energy	Exact match	Le Puy Ste Reparade, FranceHQ recorded Nov 6, 2026	201-500	97 contacts →
	Exact match “Découvrez ACTIA Energy, la division spécialisée du groupe ACTIA, partenaire de confiance pour la gestion, le transport et la distribution de l'énergie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Sicame France	Exact match	Arnac-pompadour, FranceHQ recorded Nov 6, 2026	1,001-5,000	86 contacts →
	Exact match “Votre spécialiste de l’équipement électrique réseaux depuis plus de 65ans.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	ELO Énergie	Exact match	Grandchamp Des Fontaines, FranceHQ recorded Nov 6, 2026	51-200	67 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 · Nov 6, 2026 · View company records in RevenueBase
12	Team Réseaux	Exact match	Evreux, FranceHQ recorded Nov 6, 2026	51-200	63 contacts →
	Exact match “Avec l'avènement des technologie de l'information, l'ensemble de la chaîne énergétique devient intelligent - Les réseaux de distribution (SMART GRID)- Les villes (SMART CITY)- Les…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Euptech	Exact match	Meylan, FranceHQ recorded Nov 6, 2026	11-50	62 contacts →
	Exact match “Empowering Energy: For more than 37 years, EUPTECH has been supporting leading industrial groups, EPC contractors, OEMs and infrastructure owners in the delivery of critical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	ENTRA	Exact match	Aubervilliers, FranceHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
15	SERGI	Exact match	Taverny, FranceHQ recorded Nov 6, 2026	51-200	41 contacts →
	Exact match “SERGI is an engineering company specialized in protecting critical power transformers against rare, high-impact failure scenarios.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Augier Energy	Exact match	Carros, FranceHQ recorded Nov 6, 2026	11-50	39 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 · Nov 6, 2026 · View company records in RevenueBase
17	Enedis-D	Exact match	Paris La Defense Cedex, FranceHQ recorded Nov 6, 2026	11-50	39 contacts →
	Exact match “Enedis-D is an electrical/electronic manufacturing company based out of 34 PLACE DES COROLLES COURBEVOIE, PARIS LA DEFENSE CEDEX, France.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Infra-Build	Exact match	Camon, FranceHQ recorded Nov 6, 2026	51-200	37 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Capsim	Exact match	Aix-en-provence, FranceHQ recorded Nov 6, 2026	11-50	35 contacts →
	Exact match “CAPSIM is your specialist partner on the behaviour of electrical networks and electrotechnical systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Laglasse & Omhovere L Fayat Énergie Services	Exact match	Marly, FranceHQ recorded Nov 6, 2026	11-50	35 contacts →
	Exact match “LAGLASSE & OMHOVERE, créée en 1986, est un bureau d’études spécialisé dans la conception et l’optimisation des réseaux électriques aériens et souterrains à Haute et Très Haute…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Imes Group	Exact match	Ennery, FranceHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “IMES delivers services across the entire lifecycle of electricity infrastructure projects, from preliminary design, tendering to commissioning.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	CEREL	Exact match	Roissy-En-France, FranceHQ recorded Nov 6, 2026	11-50	29 contacts →
	Exact match “CEREL existe car nous croyons fermement que la réponse aux défis énergétiques de demain passe par la modernisation et la fiabilisation des infrastructures électriques…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Resipelec	Exact match	Templemars, FranceHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Resipelec opère et met en œuvre ses services et compétences dans tous secteurs liés à l'ingénierie électrique HT/BT/TBT, l'automatisme et les réseaux convergents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	AITEC	Exact match	Nice, FranceHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Tous les métiers de l’électricité!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Atlantique Etudes	Exact match	Challans (85300), FranceHQ recorded Nov 6, 2026	11-50	21 contacts →
	Exact match “Créée en 1992, Atlantique Etudes est spécialisée dans l’ingénierie des réseaux d’énergie (HTB, HTA et BT) et de gaz (transport et distribution).” Recorded in the RevenueBase company graph · Nov 6, 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 “grid modernization 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 143 grid modernization contractors based in France

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Grid modernization contractors based in France at a glance

As of Nov 6, 2026

14.7%Verified-email coverage

85.3Average contacts per company

11-50Median size (employees)

6.3%Largest-city concentration · Paris

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 143 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 “grid modernization 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 1,795 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 November 6, 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 “grid modernization contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid modernization contractors are there based in France?

RevenueBase identified 143 company matches for grid modernization contractors associated with France as of November 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?

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

Which city has the most grid modernization contractors?

Paris leads with 9 company records, followed by Brest (2) and Lyon (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 1,795 professional contacts with verified work emails tracked across these 143 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 November 6, 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.