Semiconductor & AI supply-chain companies in France
As of 2026-10-09, wafergraph tracks 8 semiconductor and AI supply-chain companies headquartered in France, across 3 value-chain segments, most of them in AI & Data Center (3). The largest by market cap is Schneider Electric at $166.8B; the 6 priced companies total $339.6B. 3 hold a monopoly or leader position in their segment.
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Data as of 2026-10-09 · country = headquarters, not fab location · market caps from the daily wafergraph pipeline (Yahoo × SEC shares); unpriced companies are listed but not summed
4 of 8 companies in France have a nonzero supply-chain criticality score in Wafergraph's data.
Largest France companies by market cap
| Company | Segment | Position | Market cap | Ticker |
|---|---|---|---|---|
| Schneider Electric | Power & Cooling | leader | $166.8B | Euronext Paris:SU |
| Air Liquide | Specialty Gases | leader | $120.9B | Euronext Paris:AI |
| Legrand SA | Power & Cooling | major | $40.6B | Euronext Paris:LR |
| Soitec | Substrates | leader | $6.6B | Euronext Paris:SOI |
| Arkema | Specialty Gases | challenger | $4.7B | Euronext Paris:AKE |
| Sequans Communications | Edge & IoT SoC | niche | $40M | NYSE:SQNS |
All 8 companies by segment
AI & Data Center (3)
- Schneider Electric — Energy management and data-center power/cooling infrastructure.
- Legrand SA — Supplies power distribution and control equipment for data centers, including rack PDUs and busway, through its Data, Power and Control division.
- Mistral AI — European AI lab building open-weight foundation models.
Materials (3)
- Air Liquide — Top industrial and electronic specialty gas supplier to fabs worldwide.
- Soitec — Dominant supplier of engineered SOI substrates for RF and FD-SOI chips.
- Arkema — French specialty chemicals group supplying plasma-etch gases (Foranext), ALD/CVD alkylamines, and polyimides for semiconductor and flexible-circuit manufacturing.
Design (Fabless) (2)
- Sequans Communications — Cellular IoT (5G/4G) chipmaker.
- SiPearl — European HPC processor designer (Rhea) for exascale computing.
Tracked revenue
6 of the 8 companies report revenue in the dataset, totalling $97.1B (latest fiscal year per company, SEC EDGAR or Wikidata).
Frequently asked questions3
- How many semiconductor companies are in France?
- wafergraph tracks 8 semiconductor and AI supply-chain companies headquartered in France, across 3 segments.
- What is the largest semiconductor company in France?
- Schneider Electric is the largest France company in the dataset by market cap ($166.8B, as of 2026-10-09).
- How many France semiconductor companies have a supply-chain criticality score?
- 4 of 8 companies in France have a nonzero supply-chain criticality score in Wafergraph's data.
Cite as: wafergraph, “Semiconductor companies in France — 8 tracked, ranked by market cap”, https://wafergraph.com/country/france/ (data as of 2026-10-09).