Company lists · Data refreshed September 2026

Top 19 Power generation plant constructors based in France

RevenueBase identified 45 power generation plant constructors headquartered in France as of September 2026 and tracks 18,546 professional contacts across them, including 3,495 with verified work emails. Paris is the largest hub.

This list covers power generation plant constructors headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
45Companies
18,546Contacts tracked
3,495Verified emails
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The 19 largest power generation plant constructors based in France

Ranked by team size
Top 19 of 45 power generation plant constructors based in France, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to power generation plant constructors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCourbevoie, FranceHQ checked Sep 20, 20265,001-10,0006,518 contacts →

Indirect evidence

“Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceParis, FranceHQ checked Sep 20, 2026201-500525 contacts →

Indirect evidence

“Akuo est spécialisé dans la mise en œuvre d’unités de production d’électricité à partir de ressources renouvelables, en particulier le solaire, l'éolien et le stockage.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceLyon Aéroport Saint Exupéry, FranceHQ checked Sep 20, 2026201-500276 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceBordeaux, FranceHQ checked Sep 20, 202611-5074 contacts →

Indirect evidence

“Energy is essential to the success of every project.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceToulouse, FranceHQ checked Sep 20, 20265,001-10,00061 contacts →

Indirect evidence

“Le plus grand spécialiste indépendant en Opération et Maintenance de centrales de production d'énergie.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceNimes, FranceHQ checked Sep 20, 202611-5044 contacts →

Indirect evidence

“ELYS, ingénierie indépendante pour la construction de parcs éoliens, de centrales solaires PV, BESS et de postes HTB privés.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceArgenteuil, FranceHQ checked Sep 20, 202611-5030 contacts →

Indirect evidence

“The great strength of INTERPEC is its knowledge in tailored-made Steam Turbine Generator.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceGuer, FranceHQ checked Sep 20, 202611-5025 contacts →

Indirect evidence

“EXOCETH WATER & ENERGY SYSTEMS is an engineering office associated to a technical assistance service dedicated to water and energy applications.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceEnnery, FranceHQ checked Sep 20, 202611-5024 contacts →

Indirect evidence

“IMES delivers services across the entire lifecycle of electricity infrastructure projects, from preliminary design, tendering to commissioning.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceDomont, FranceHQ checked Sep 20, 202611-5023 contacts →

Indirect evidence

“Fondée en décembre Kapi Koncept est une entreprise spécialisée dans la production d’énergie électrique, que ce soit sous forme de groupes électrogènes isolés ou de centrales, à…”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceSaint-pierre-d'albigny, FranceHQ checked Sep 20, 202611-5019 contacts →

Indirect evidence

“ROSAZ ÉLECTRICITÉ, créée en 1971, est implantée sur le marché de l’équipement électrique principalement en milieu tertiaire et industriel.(Courants forts et courants faibles).”

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidenceFontaine, FranceHQ checked Sep 20, 202611-5017 contacts →

Partial evidence

“Wamar Engineering provides universal repair and manufacturing of critical parts for combustion systems throughout the power industry.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceDecazeville, FranceHQ checked Sep 20, 202651-20015 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceBegles, FranceHQ checked Sep 20, 202611-5014 contacts →

Indirect evidence

“VALREA, filiale de VALOREM créée en 2007 est spécialisée dans la construction de centrales ENR pour le compte de VALOREM et de tiers.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceLe Crès, FranceHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“Spécialistes dans la réalisation de gros projets d'énergies renouvelables depuis plus de 15 ans, nous accompagnons la construction de vos ouvrages dans toutes leurs phases de…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceLaxou, FranceHQ checked Sep 20, 202611-5011 contacts →

Indirect evidence

“ER3i est une société spécialisée dans la conception, la fabrication, l’installation, la mise en service d’équipements électriques, mécaniques, d’automatismes et de systèmes…”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceMazeres Sur Salat, FranceHQ checked Sep 20, 20261-105 contacts →

Indirect evidence

“DYNSO est une entreprise d’électricité industrielle.”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceArgentine, FranceHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“CAYROL INTERNATIONAL is a civil engineering company based out of LA COMBE, ARGENTINE, France.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceSaint-germain-en-laye, FranceHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Turbo-propellers, turbo-expanders”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 19 of 45 power generation plant constructors based in France

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Power generation plant constructors based in France at a glance

As of Sep 20, 2026
18.8%Verified-email coverage
412.1Average contacts per company
11-50Median size (employees)
6.7%Largest-city concentration · Paris
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
21
51-200
3
201-500
2
501-1,000
1
5,001-10,000
2
10001+
1

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 45 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among power generation plant constructors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in France whose own description of what they do matches “power generation plant constructors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names power generation plant constructors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among power generation plant constructors, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,495 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names power generation plant constructors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many power generation plant constructors are there based in France?

RevenueBase identified 45 power generation plant constructors headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Assystem, headquartered in Courbevoie, tops this list with the largest team on record.

Which city has the most power generation plant constructors?

Paris leads with 3 headquartered companies, followed by Aix En Provence (1) and Argenteuil (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,495 verified decision-maker contacts tracked across these 45 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.