Company lists · Data refreshed September 2026

Top 25 Communication system integrators based in France

Name: Communication system integrators based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 578 companies tracked

RevenueBase identified 578 communication system integrators headquartered in France as of September 2026 and tracks 9,439 professional contacts across them, including 2,915 with verified work emails. Paris is the largest hub.

This list covers communication system integrators 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 19, 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 19, 2026 86% judged on-target in blind review

578Companies

9,439Contacts tracked

2,915Verified emails

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The 25 largest communication system integrators based in France

Ranked by team size

Top 25 of 578 communication system integrators based in France, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to communication system integrators: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Consort Group	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	1,001-5,000	1,704 contacts →
	Partial evidence “Acteur de référence des systèmes d’information augmentés par l’intégration stratégique de la data, Consort Group accompagne les entreprises pour leur permettre de valoriser ce…” Source: RevenueBase Database · checked Sep 19, 2026
2	Eryma Security Systems	Indirect evidence	Issy-les-moulineaux, FranceHQ checked Sep 19, 2026	201-500	457 contacts →
	Indirect evidence “En tant qu’intégrateur ouvert de solutions de sûreté électroniques, nous vous accompagnons dans la protection de vos biens et personnes.” Source: RevenueBase Database · checked Sep 19, 2026
3	KEYYO	Partial evidence	Clichy, FranceHQ checked Sep 19, 2026	201-500	319 contacts →
	Partial evidence “Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Source: RevenueBase Database · checked Sep 19, 2026
4	C2c	Strong evidence	Roissy En France, FranceHQ checked Sep 19, 2026	51-200	167 contacts →
	Strong evidence “C2C est un intégrateur spécialisé dans les systèmes de communication Réseau IP couvrant les domaines des Infrastructures de câblage, le Wireless, les solutions de Vidéo Protection…” Source: RevenueBase Database · checked Sep 19, 2026
5	Alleo DE Bouygues Telecom	Indirect evidence	Clichy, FranceHQ checked Sep 19, 2026	51-200	117 contacts →
	Indirect evidence “Après de nombreuses années de présence à vos côtés sous le nom 1913, notre marque évolue pour devenir ALLEO de Bouygues Telecom.” Source: RevenueBase Database · checked Sep 19, 2026
6	Onedirect	Partial evidence	Perpignan, FranceHQ checked Sep 19, 2026	51-200	97 contacts →
	Partial evidence “Onedirect aide les entreprises à optimiser leurs communications professionnelles depuis plus de 25 ans.” Source: RevenueBase Database · checked Sep 19, 2026
7	Apilog Automation	Indirect evidence	Massy, FranceHQ checked Sep 19, 2026	51-200	96 contacts →
	Indirect evidence “APILOG Automation, filiale de GCC Energie, est un intégrateur en courants faibles, supervision, automatismes et sûreté pour les bâtiments.” Source: RevenueBase Database · checked Sep 19, 2026
8	LAFI	Indirect evidence	Gennevilliers, FranceHQ checked Sep 19, 2026	51-200	88 contacts →
	Indirect evidence “PARTAGEONS ENSEMBLE NOS AMBITIONS!” Source: RevenueBase Database · checked Sep 19, 2026
9	Gigamedia	Partial evidence	Lesquin, FranceHQ checked Sep 19, 2026	51-200	79 contacts →
	Partial evidence “GIGAMEDIA develops innovative solutions for installers, integrators and consultants in the context of intelligent building infrastructure projects: copper or optical fibre cabling…” Source: RevenueBase Database · checked Sep 19, 2026
10	Groupe Inovelec	Indirect evidence	Boulazac, FranceHQ checked Sep 19, 2026	201-500	71 contacts →
	Indirect evidence “Votre Partenaire d'Excellence en Solutions Électroniques et Électriques » Depuis le Groupe INOVELEC incarne l'excellence dans la conception et la fabrication de cartes…” Source: RevenueBase Database · checked Sep 19, 2026
11	AVI	Indirect evidence	Vaulx En Velin, FranceHQ checked Sep 19, 2026	11-50	64 contacts →
	Indirect evidence “AVI : L’expert en solutions audiovisuelles sur mesure!” Source: RevenueBase Database · checked Sep 19, 2026
12	VDCOM	Partial evidence	Le Poiré-sur-vie, FranceHQ checked Sep 19, 2026	51-200	55 contacts →
	Partial evidence “VDCOM, entreprise spécialisée dans les solutions de communication, accompagne ses clients dans l’ensemble de leurs projets Télécoms, Réseaux & Informatique depuis plus de 30 ans.” Source: RevenueBase Database · checked Sep 19, 2026
13	Ipsilan Networks	Indirect evidence	Bievres, FranceHQ checked Sep 19, 2026	11-50	53 contacts →
	Indirect evidence “PIONNIERS HAUTES TECHNOLOGIES Nous sommes Intégrateur Réseaux et Télécom.” Source: RevenueBase Database · checked Sep 19, 2026
14	Wipple	Partial evidence	Villeneuve-d'ascq, FranceHQ checked Sep 19, 2026	11-50	49 contacts →
	Partial evidence “Hi there, We are Wipple, audiovisual integrator serving innovative companies.” Source: RevenueBase Database · checked Sep 19, 2026
15	Come In	Indirect evidence	St Gregoire, FranceHQ checked Sep 19, 2026	51-200	49 contacts →
	Indirect evidence “Connecter les entreprises bretonnes à la performance numérique, c’est notre mission depuis 1995.” Source: RevenueBase Database · checked Sep 19, 2026
16	TELMO	Partial evidence	Marly Cedex, FranceHQ checked Sep 19, 2026	51-200	47 contacts →
	Partial evidence “TELMO est spécialiste des technologies de la communication et de l’information depuis 1963.” Source: RevenueBase Database · checked Sep 19, 2026
17	ELSIA	Partial evidence	La Verrière, FranceHQ checked Sep 19, 2026	51-200	46 contacts →
	Partial evidence “ELSIA est un intégrateur spécialisé dans la conception, l'installation et la maintenance de systèmes de sécurité dédiés aux bâtiments - Sécurité incendie - Vidéo protection -…” Source: RevenueBase Database · checked Sep 19, 2026
18	ACRT	Indirect evidence	Villefranche-sur-saône, FranceHQ checked Sep 19, 2026	11-50	46 contacts →
	Indirect evidence “ACRT vous accompagne dans la conduite et la mise en place de vos projets de télécommunications.” Source: RevenueBase Database · checked Sep 19, 2026
19	UCC Experts	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	46 contacts →
	Partial evidence “We are a French company operating in the core business of Unified Communication and Collaboration.” Source: RevenueBase Database · checked Sep 19, 2026
20	STH	Indirect evidence	Moûtiers, FranceHQ checked Sep 19, 2026	n/a	46 contacts →
	Indirect evidence “STH, intégrateur informatique et Télécom vous accompagne depuis 20 ans sur vos déploiements, migrations et la disponibilité de vos infrastructures.” Source: RevenueBase Database · checked Sep 19, 2026
21	Sersi Système	Strong evidence	Saint-priest, FranceHQ checked Sep 19, 2026	11-50	46 contacts →
	Strong evidence “SERSI SYSTÈME, expert en systèmes de communication, sûreté et sécurité électronique, accompagne intégrateurs, électriciens et entreprises avec un savoir-faire reconnu.” Source: RevenueBase Database · checked Sep 19, 2026
22	Networth Telecom	Indirect evidence	Clichy, FranceHQ checked Sep 19, 2026	51-200	45 contacts →
	Indirect evidence “Networth est un éditeur et opérateur télécom pour les Entreprises.” Source: RevenueBase Database · checked Sep 19, 2026
23	SIMAR	Strong evidence	Marseille, FranceHQ checked Sep 19, 2026	11-50	45 contacts →
	Strong evidence “Created in 1978, SIMAR (Société Industrielle et Maritime d'Automation et Régulation) is the leading independant system integrator for marine electronics (Civil and Naval) as well…” Source: RevenueBase Database · checked Sep 19, 2026
24	Napsis	Indirect evidence	Le Havre, FranceHQ checked Sep 19, 2026	11-50	44 contacts →
	Indirect evidence “Napsis est un opérateur-intégrateur télécom B2B.” Source: RevenueBase Database · checked Sep 19, 2026
25	Nirwana	Indirect evidence	Villebon-sur-yvette, FranceHQ checked Sep 19, 2026	11-50	43 contacts →
	Indirect evidence “Nirwana est présente sur 2 marchés différents et technologiquement complémentaires - PME Standard Téléphonique complet et hautement paramétrables Informatique globale (serveur…” Source: RevenueBase Database · checked Sep 19, 2026

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: communication system integrators. 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 communication system integrators.
Partial evidence: Its own public description names part of communication system integrators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name communication system integrators. 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 578 communication system integrators based in France

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Communication system integrators based in France at a glance

As of Sep 19, 2026

30.9%Verified-email coverage

16.3Average contacts per company

1-10Median size (employees)

8.5%Largest-city concentration · Paris

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

311

11-50

210

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 578 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 communication system integrators, 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 “communication system integrators”. 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 communication system integrators), 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 communication system integrators, 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, 2,915 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 19, 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.

Communication system integrators by metro

Communication system integrators in Paris49

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 communication system integrators, 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 communication system integrators are there based in France?

RevenueBase identified 578 communication system integrators 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?

Consort Group, headquartered in Paris, tops this list with the largest team on record.

Which city has the most communication system integrators?

Paris leads with 49 headquartered companies, followed by Marseille (7) and Montpellier (7).

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 2,915 verified decision-maker contacts tracked across these 578 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 19, 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.