Semiconductor & AI supply-chain companies in Belgium
As of 2026-10-09, wafergraph tracks 3 semiconductor and AI supply-chain companies headquartered in Belgium, across 2 value-chain segments, most of them in Materials (2). The largest by market cap is Umicore at $5.6B; the 3 priced companies total $11.5B. 0 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
2 of 3 companies in Belgium have a nonzero supply-chain criticality score in Wafergraph's data.
Largest Belgium companies by market cap
| Company | Segment | Position | Market cap | Ticker |
|---|---|---|---|---|
| Umicore | Sputtering Targets | major | $5.6B | EBR:UMI |
| Solvay | Photoresists & Chemicals | major | $3.0B | EBR:SOLB |
| Melexis | Analog & Mixed Signal | major | $2.9B | Euronext Brussels:MELE |
All 3 companies by segment
Materials (2)
- Umicore — Belgian materials group supplying sputtering targets, evaporation materials, and copper electroplating chemistries for advanced packaging and semiconductor front-end processes.
- Solvay — Specialty chemicals group supplying high-purity electronic materials.
Analog, Power, RF (1)
- Melexis — Automotive mixed-signal sensor IC specialist.
Tracked revenue
3 of the 3 companies report revenue in the dataset, totalling $9.9B (latest fiscal year per company, SEC EDGAR or Wikidata).
Frequently asked questions3
- How many semiconductor companies are in Belgium?
- wafergraph tracks 3 semiconductor and AI supply-chain companies headquartered in Belgium, across 2 segments.
- What is the largest semiconductor company in Belgium?
- Umicore is the largest Belgium company in the dataset by market cap ($5.6B, as of 2026-10-09).
- How many Belgium semiconductor companies have a supply-chain criticality score?
- 2 of 3 companies in Belgium have a nonzero supply-chain criticality score in Wafergraph's data.
Cite as: wafergraph, “Semiconductor companies in Belgium — 3 tracked, ranked by market cap”, https://wafergraph.com/country/belgium/ (data as of 2026-10-09).