National Silicon Industry Group vs SUMCO

Both are primarily Silicon Wafers companies. National Silicon Industry Group is larger by market cap ($11.5B vs $8.0B). SUMCO reports higher tracked revenue ($2.1B vs $554M).

Shared segment: Materials.

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Side-by-side

National Silicon Industry GroupSUMCO
Market cap$11.5B$8.0B
Revenue$554M (FY2025)$2.1B (FY2025)
Primary segmentSilicon WafersSilicon Wafers
Market positionchallengermajor
CountryChinaJapan
Tracked suppliers02
Tracked customers88
Chokepoint / criticality57/10069/100

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 National Silicon Industry Group and SUMCO compare

  • Size: National Silicon Industry Group is the larger company by market cap.
  • Revenue: SUMCO reports higher tracked revenue.
  • Supply-chain criticality: SUMCO has the higher chokepoint score (69/100 vs 57/100).
  • Footprint: National Silicon Industry Group (China) vs SUMCO (Japan).

Company hubs

National Silicon Industry Group · SUMCO · Materials segment

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Cite as: wafergraph, “National Silicon Industry Group vs SUMCO”, https://wafergraph.com/compare/nsig-vs-sumco (data as of 2026-10-04).

Frequently asked questions3
Is National Silicon Industry Group bigger than SUMCO?
National Silicon Industry Group is larger by market cap ($11.5B vs $8.0B).
What's the difference between National Silicon Industry Group and SUMCO?
National Silicon Industry Group is a challenger in Silicon Wafers based in China; SUMCO is a major in Silicon Wafers based in Japan. Both operate in the Materials segment.
Who are National Silicon Industry Group's and SUMCO's suppliers?
wafergraph tracks 0 suppliers for National Silicon Industry Group and 2 for SUMCO; SUMCO's include Wacker Chemie.