Company lists · Data refreshed September 2026
Top 25 Infrastructure services companies based in France
RevenueBase identified 731 infrastructure services companies headquartered in France as of September 2026 and tracks 24,893 professional contacts across them, including 5,836 with verified work emails. Paris is the largest hub.
This list covers infrastructure services companies 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.
The 25 largest infrastructure services companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,436 contacts → | ||||
Indirect evidence “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,527 contacts → | ||||
Strong evidence “RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,519 contacts → | ||||
Indirect evidence “Société d'infogérance” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,222 contacts → | ||||
Indirect evidence “Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 732 contacts → | ||||
Indirect evidence “Adista, Opérateur de Services Hébergés, s'est imposé en quelques années comme le spécialiste des services informatiques proposés aux PME et Collectivités sur les réseaux très haut…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 577 contacts → | ||||
Indirect evidence “TSG, the European leader in technical services for responsible mobility, is a key player in the energy transition for mobility and beyond.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 532 contacts → | ||||
Indirect evidence “Filiale du Groupe SYNERGIE, DCS SYNERGIE GROUP capitalise sur son histoire pour accompagner chaque jour les enjeux IT de ses clients.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 475 contacts → | ||||
Strong evidence “Acteur de premier plan du secteur de l'ingénierie et du management d'infrastructures, le Groupe Edeis développe une vision innovante et durable, avec une promesse forte : être…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 433 contacts → | ||||
Indirect evidence “Opérateur de services managés, expert en télécoms et cybersécurité, Linkt accompagne les ETI, les grands comptes et les collectivités dans la performance et la sécurisation de…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 390 contacts → | ||||
Indirect evidence “See below for English version) Spac est un des principaux acteurs des projets de transport et de distribution d’eau et d’énergie en France et à l'étranger.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 197 contacts → | ||||
Indirect evidence “We are a true product of innovation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 182 contacts → | ||||
Indirect evidence “Implantée à Reims depuis 1997, la société HEXANET est constituée d'une équipe de professionnels, ayant une expérience reconnue dans le domaine d'internet, des réseaux et des…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 163 contacts → | ||||
Indirect evidence “Depuis plus de 15 ans, BLUE (Ex-Bretagne Télécom) met son savoir-faire au service des professionnels pour leur fournir réseau très haut débit (THD), hébergement de données et…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 144 contacts → | ||||
Strong evidence “NextRoad has been built up over the past few years through companies and has become one of the major independent French players in infrastructure engineering.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 144 contacts → | ||||
Strong evidence “INGÉNIERISTE DE LA CONSTRUCTION DES INFRASTRUCTURES COMPLEXES Pour garantir à nos clients, le transfert réussi à l’exploitant des d’infrastructures complexes, notre département…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 143 contacts → | ||||
Strong evidence “Expertise en infrastructure.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 141 contacts → | ||||
Indirect evidence “ETPM intervient au quotidien pour les principaux concessionnaires de réseaux d’énergie et les syndicats d’électrification départementaux, métropoles, communes et collectivités.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 131 contacts → | ||||
Strong evidence “GLOBAL Technologies is an International full-service Technology Company specialized in designing, installing, operating and maintaining critical technical infrastructures and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 121 contacts → | ||||
Indirect evidence “Depuis 15 ans, Qyyp (anciennement Groupe Thym Business) accompagne au quotidien les entreprises – TPE, PME, ETI et Grand Groupes – et les collectivités avec des solutions IT &…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 118 contacts → | ||||
Indirect evidence “Télétravail, migration des applications de l’entreprise vers le Cloud, augmentation des risques de cyberattaque; dans le contexte actuel, les entreprises doivent faire évoluer…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 113 contacts → | ||||
Indirect evidence “5COM est un acteur incontournable sur les marchés Télécoms / Energie / Informatique depuis 2003.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 109 contacts → | ||||
Strong evidence “AVA6 est une ESN dont les domaines de compétences sont l'infrastructure, systèmes et réseaux, hébergement.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 100 contacts → | ||||
Indirect evidence “SYS1 est présent à Bordeaux en Nouvelle Aquitaine ainsi qu'en Occitanie et PACA avec son agence de Montpellier pour adresser les sujets ci dessous : ACTIVITÉS PRINCIPALES Étude…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 100 contacts → | ||||
Indirect evidence “IMING is an expert in the engineering of highly technical projects, covering the entire value chain in the fields of mobility services, energy and construction.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 97 contacts → | ||||
Indirect evidence “We at HTS provide the modern day IT and network solutions to the enterprise markets through an extensive range of managed IT support services to its worldwide clientele.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: infrastructure services companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names infrastructure services companies.
- Partial evidence
- Its own public description names part of infrastructure services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name infrastructure services companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 731 infrastructure services companies based in France
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Infrastructure services companies based in France at a glance
As of Sep 20, 2026Companies by employee count
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 731 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 infrastructure services companies, 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 “infrastructure services companies”. 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 infrastructure services companies), 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 infrastructure services companies, 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, 5,836 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.
Infrastructure services companies by metro
- Infrastructure services companies in Paris60
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 infrastructure services companies, 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 infrastructure services companies are there based in France?
RevenueBase identified 731 infrastructure services companies 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?
Ortec Group, headquartered in Aix-En-Provence, tops this list with the largest team on record.
Which city has the most infrastructure services companies?
Paris leads with 60 headquartered companies, followed by Marseille (13) and Aix-En-Provence (8).
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 5,836 verified decision-maker contacts tracked across these 731 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.
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