Company lists · Data verified August 2026

Top 15 Defense systems integrators based in France

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 36 companies tracked

There are 36 defense systems integrators headquartered in France (RevenueBase, August 2026). RevenueBase tracks 863 professional contacts across them, including 352 with verified work emails and 7 with mobile numbers. Paris is the largest hub.

This list covers defense systems integrators headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

36Companies

863Contacts tracked

352Verified emails

7Mobile numbers

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The 15 largest defense systems integrators based in France

Ranked by team size

Top 15 of 36 defense systems integrators based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Eryma Security Systems	Issy-Les-Moulineaux	201-500	462	211
2	Sersi Système	Le Bourget-Du-Lac	11-50	47	1
3	Retis Connected Solutions	Montauban De Bretagne	201-500	22	7
4	Nomios France	Paris	201-500	15	9
5	Sn2o Société Numérique DE L Ouest	Belleville-Sur-Vie	1-10	14	9
6	Cojitech	Coueron	11-50	11	4
7	I3s	Pont-Saint-Martin	11-50	10	6
8	Mediapower	Nice	51-200	9	4
9	Nexum Alarm	Ruy-Montceau	11-50	4	2
10	MES	Sevran	51-200	4	1
11	IDÉ Systemes	Sautron	1-10	4	1
12	Avenir Ingenierie Concept	Paris	11-50	3	1
13	Croisac	n/a	1-10	1	1
14	Mileo Technology	Paris	1-10	1	1
15	Hexagone Cyber	Toulouse	1-10	1	1

Showing 15 of 36 defense systems integrators based in France

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Defense systems integrators based in France at a glance

As of Aug 28, 2026

11-50Median size (employees)

ParisLargest hub · 5 HQs

7Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Defense systems integrators by metro

Metro	Companies
Defense systems integrators in Paris	5
Defense systems integrators in La Brede	1
Defense systems integrators in Issy-Les-Moulineaux	1
Defense systems integrators in Pont-Saint-Martin	1
Defense systems integrators in Cachan	1
Defense systems integrators in Croissy Beaubourg	1
Defense systems integrators in Boulogne-Billancourt	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “defense systems integrators”, with match quality audited by blind human judging, and headquartered in France.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many defense systems integrators are there based in France?

There are 36 defense systems integrators headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Eryma Security Systems, headquartered in Issy-Les-Moulineaux, tops this list with the largest team on record.

Which city has the most defense systems integrators?

Paris leads with 5 headquartered companies, followed by La Brede (1) and Issy-Les-Moulineaux (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 352 verified decision-maker contacts tracked across these 36 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.