Company lists · Data verified August 2026

Top 25 Enterprise IT infrastructure companies based in France

There are 1,438 enterprise IT infrastructure companies headquartered in France (RevenueBase, August 2026). RevenueBase tracks 42,204 professional contacts across them, including 12,083 with verified work emails and 1,941 with mobile numbers. Paris is the largest hub.

This list covers enterprise IT infrastructure 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.

1,438Companies
42,204Contacts tracked
12,083Verified emails
1,941Mobile numbers
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The 25 largest enterprise IT infrastructure companies based in France

Ranked by team size
Top 25 of 1,438 enterprise IT infrastructure companies based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Colt Technology Servicesn/a5,001-10,0006,3353,025
2SCCNanterre Cedex5,001-10,0005,5521,078
3SogetrelIssy Les Moulineaux1,001-5,0002,311789
4InfotelNiort1,001-5,0001,764863
5Tenexan/a1,001-5,000554218
6DCS EasywareToulouse1,001-5,000535228
7MetsysLille501-1,000408246
8AntemetaLyon201-500306173
9JilitiMauguio501-1,000281199
10CylleneNanterre201-500279206
11OzitemLabege201-5002511
12BSONanterre51-20020388
13ProlivalVilleneuve-Dascq201-50019262
14Acelys Services NumériquesMontpellier51-20017996
15Metaline Data Center ServicesNanterre501-1,00014954
16Athéo IngénierieStrasbourg51-20014491
17NTICOOlivet51-20013598
18Artemys Normandie Groupe ArtemysIsneauville501-1,0001302
19MetanextLyon51-20012564
20Groupe SaphMerignac51-20011968
21Team-ItLyon51-20011758
22NowbrainsElancourt51-20011681
23ITS IntegraBoulogne-Billancourt51-20011360
24Reel IT GroupeAix En Provence201-50011280
25Sys1Saint-Jean-Dillac51-20010179

Showing 25 of 1,438 enterprise IT infrastructure companies based in France

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Enterprise IT infrastructure companies based in France at a glance

As of Aug 28, 2026
1-10Median size (employees)
ParisLargest hub · 201 HQs
1,941Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
856
11-50
395
51-200
114
201-500
24
501-1,000
9
1,001-5,000
10
5,001-10,000
2

Enterprise IT infrastructure companies by metro

MetroCompanies
Enterprise IT infrastructure companies in Paris201
Enterprise IT infrastructure companies in Lyon39
Enterprise IT infrastructure companies in Toulouse20
Enterprise IT infrastructure companies in Marseille17
Enterprise IT infrastructure companies in Montpellier16
Enterprise IT infrastructure companies in Boulogne-Billancourt15
Enterprise IT infrastructure companies in Nanterre15

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 “enterprise IT infrastructure 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; 0 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 enterprise IT infrastructure companies are there based in France?

There are 1,438 enterprise IT infrastructure companies headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Colt Technology Services, headquartered in France, tops this list with the largest team on record.

Which city has the most enterprise IT infrastructure companies?

Paris leads with 201 headquartered companies, followed by Lyon (39) and Toulouse (20).

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 12,083 verified decision-maker contacts tracked across these 1,438 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.