Company lists · Data verified August 2026

Top 25 Cybersecurity energy sector companies based in France

Name: Cybersecurity energy sector companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 114 companies tracked

There are 114 cybersecurity energy sector companies headquartered in France (RevenueBase, August 2026). RevenueBase tracks 2,700 professional contacts across them, including 721 with verified work emails and 53 with mobile numbers. Paris is the largest hub.

This list covers cybersecurity energy sector companies 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.

114Companies

2,700Contacts tracked

721Verified emails

53Mobile numbers

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The 25 largest cybersecurity energy sector companies based in France

Ranked by team size

Top 25 of 114 cybersecurity energy sector companies 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	I-Tracing	Courbevoie	1,001-5,000	643	394
2	own.security	Rennes	51-200	506	26
3	Itrust	Toulouse	51-200	126	76
4	CS In Cybersecurity	Le Plessis-Robinson	51-200	75	20
5	Techso Group	Paris	51-200	54	24
6	Dcit Conseil	Sene	n/a	48	1
7	Kytl Security	Paris	11-50	34	4
8	Cybermaker	Saint Cloud	11-50	26	12
9	Sec-It	Aix-En-Provence	11-50	26	11
10	Five Nines	Paris	11-50	26	11
11	Holiseum	Puteaux	11-50	25	18
12	Becycure	n/a	11-50	23	12
13	Kyron Solutions Informatiques	Toulouse	11-50	22	10
14	NBS System	Champs-Sur-Marne	11-50	22	3
15	Sec-Cure	Saint Denis	11-50	17	7
16	Ého.Link	n/a	11-50	16	13
17	Intuity	Paris	11-50	16	7
18	u.neat	n/a	11-50	15	5
19	DND Agency	Paris	11-50	13	2
20	AKYL	Pantin	1-10	11	6
21	Zero Trust SAS	Paris	11-50	10	7
22	Apsecurity	Charleville-Mezieres	1-10	10	1
23	cybersolutions.fr	Paris	11-50	9	2
24	Limon IT	Saint-Etienne	1-10	7	6
25	Cybertribe	Paris	11-50	7	3

Showing 25 of 114 cybersecurity energy sector companies based in France

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Cybersecurity energy sector companies based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 35 HQs

53Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Cybersecurity energy sector companies by metro

Metro	Companies
Cybersecurity energy sector companies in Paris	35
Cybersecurity energy sector companies in Lyon	6
Cybersecurity energy sector companies in Toulouse	4
Cybersecurity energy sector companies in Courbevoie	3
Cybersecurity energy sector companies in Caen	2
Cybersecurity energy sector companies in Lille	2
Cybersecurity energy sector companies in Boulogne-Billancourt	2

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 “cybersecurity energy sector companies”, 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; 3 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 cybersecurity energy sector companies are there based in France?

There are 114 cybersecurity energy sector companies headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

I-Tracing, headquartered in Courbevoie, tops this list with the largest team on record.

Which city has the most cybersecurity energy sector companies?

Paris leads with 35 headquartered companies, followed by Lyon (6) and Toulouse (4).

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 721 verified decision-maker contacts tracked across these 114 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.