Semiconductor & AI supply-chain companies in Switzerland
As of 2026-10-28, wafergraph tracks 9 semiconductor and AI supply-chain companies headquartered in Switzerland, across 5 value-chain segments, most of them in Equipment (Front End) (4). The largest by market cap is ABB Ltd at $158.5B; the 7 priced companies total $235.5B. 3 hold a monopoly or leader position in their segment.
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Data as of 2026-10-28 · country = headquarters, not fab location · market caps from the daily wafergraph pipeline (Yahoo × SEC shares); unpriced companies are listed but not summed
5 of 9 companies in Switzerland have a nonzero supply-chain criticality score in Wafergraph's data.
Largest Switzerland companies by market cap
| Company | Segment | Position | Market cap | Ticker |
|---|---|---|---|---|
| ABB Ltd | Power & Cooling | leader | $158.5B | SIX:ABBN |
| STMicroelectronics | Integrated Device Manufacturer | major | $43.5B | NYSE:STM |
| VAT Group | Subsystems & Components | leader | $21.6B | SIX:VACN |
| INFICON | Metrology & Inspection | major | $5.4B | SWX:IFCN |
| Comet Group | Subsystems & Components | niche | $3.4B | SIX:COTN |
| Sensirion | Analog & Mixed Signal | niche | $1.6B | SWX:SENS |
| u-blox | Edge & IoT SoC | major | $1.3B | SWX:UBXN |
All 9 companies by segment
Equipment (Front End) (4)
- VAT Group — Dominant maker of vacuum valves for semiconductor process tools.
- INFICON — Vacuum instrumentation and process-control sensors for fabs.
- Comet Group — RF power delivery and X-ray systems for semiconductor manufacturing.
- Evatec — Swiss thin-film deposition (PVD) systems for packaging and photonics.
AI & Data Center (2)
- ABB Ltd — Supplies electrification equipment for data centers, including switchgear, power distribution units, and solid-state medium-voltage UPS systems.
- Hitachi Energy — Manufactures power transformers and grid-to-rack power conversion equipment for data centers; a wholly owned subsidiary of Hitachi Ltd, headquartered in Zurich.
IDM (1)
- STMicroelectronics — European IDM spanning MCUs, sensors, analog and SiC power.
Design (Fabless) (1)
- u-blox — Positioning (GNSS) and wireless communication chips and modules.
Analog, Power, RF (1)
- Sensirion — Environmental and flow sensor solutions.
Tracked revenue
7 of the 9 companies report revenue in the dataset, totalling $48.3B (latest fiscal year per company, SEC EDGAR or Wikidata).
Frequently asked questions3
- How many semiconductor companies are in Switzerland?
- wafergraph tracks 9 semiconductor and AI supply-chain companies headquartered in Switzerland, across 5 segments.
- What is the largest semiconductor company in Switzerland?
- ABB Ltd is the largest Switzerland company in the dataset by market cap ($158.5B, as of 2026-10-28).
- How many Switzerland semiconductor companies have a supply-chain criticality score?
- 5 of 9 companies in Switzerland have a nonzero supply-chain criticality score in Wafergraph's data.
Cite as: wafergraph, “Semiconductor companies in Switzerland — 9 tracked, ranked by market cap”, https://wafergraph.com/country/switzerland/ (data as of 2026-10-28).