AI data center suppliers in France

The catalog places 14 companies in France: 14 by verified headquarters. 13 are publicly listed. The most common layer is Building shell, site & construction with 6 companies. Placement by listing venue is a proxy and can misplace multinationals; see the map for the method.

By layer

Layer	Companies	Share of France
Layer 9 — Building shell, site & construction	6	43%
Layer 7 — Electrical: power distribution (grid to rack)	4	29%
Layer 4 — Servers, racks & integration	3	21%
Layer 8 — Power generation & energy supply	3	21%
Layer 10 — Materials & upstream inputs	3	21%
Layer 5 — Liquid cooling (IT-side: chip to CDU)	2	14%
Layer 6 — Facility cooling & HVAC	2	14%
Layer 1 — Compute silicon & packaging	1	7%
Layer 3 — Networking & interconnect	1	7%
Layer 11 — Software, tools & services touching the hardware (optional)	1	7%

A company in several layers counts once in each, so shares add to more than 100%.

Companies

Company	Parts	Layers	Location basis
Schneider Electric · listed	22	L4 L5 L6 L7 L9 L11	headquarters
Legrand · listed	8	L4 L5 L7	headquarters
Nexans · listed	5	L3 L7 L8 L10	headquarters
Veolia · listed	3	L6 L9	headquarters
Air Liquide · listed	2	L1 L10	headquarters
Arkema · listed	1	L10	headquarters
Bouygues · listed	1	L9	headquarters
Bureau Veritas · listed	1	L9	headquarters
EDF	1	L8	headquarters
Eiffage · listed	1	L9	headquarters
Engie · listed	1	L8	headquarters
Eviden/Atos · listed	1	L4	headquarters
Mersen · listed	1	L7	headquarters
Vinci · listed	1	L9	headquarters

Exchanges in France: Euronext Paris.