STMicroelectronics vs Sumitomo Electric Industries

STMicroelectronics's primary segment is Integrated Device Manufacturer; Sumitomo Electric Industries's is Photonics & Optics. STMicroelectronics is larger by market cap ($51.1B vs $48.5B). Sumitomo Electric Industries reports higher tracked revenue ($32.5B vs $11.8B).

Shared segment: Analog, Power, RF.

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Side-by-side

STMicroelectronicsSumitomo Electric Industries
Market cap$51.1B$48.5B
Revenue$11.8B (FY2025)$32.5B (FY2026)
Primary segmentIntegrated Device ManufacturerPhotonics & Optics
Market positionmajormajor
CountrySwitzerlandJapan
Tracked suppliers53
Tracked customers163
Chokepoint / criticality68/10068/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-04. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How STMicroelectronics and Sumitomo Electric Industries compare

  • Size: STMicroelectronics is the larger company by market cap.
  • Revenue: Sumitomo Electric Industries reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (68/100).
  • Footprint: STMicroelectronics (Switzerland) vs Sumitomo Electric Industries (Japan).

Company hubs

STMicroelectronics · Sumitomo Electric Industries · Analog, Power, RF segment

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Cite as: wafergraph, “STMicroelectronics vs Sumitomo Electric Industries”, https://wafergraph.com/compare/stmicro-vs-sumitomo_electric (data as of 2026-10-04).

Frequently asked questions3
Is STMicroelectronics bigger than Sumitomo Electric Industries?
STMicroelectronics is larger by market cap ($51.1B vs $48.5B).
What's the difference between STMicroelectronics and Sumitomo Electric Industries?
STMicroelectronics is a major in Integrated Device Manufacturer based in Switzerland; Sumitomo Electric Industries is a major in Photonics & Optics based in Japan. Both operate in the Analog, Power, RF segment.
Who are STMicroelectronics's and Sumitomo Electric Industries's suppliers?
wafergraph tracks 5 suppliers for STMicroelectronics and 3 for Sumitomo Electric Industries — STMicroelectronics's include Soitec, TSMC, ROHM.