Integrated Silicon Solution supply chain risk

As of 2026-09-05, Integrated Silicon Solution depends on 8 tracked suppliers headquartered in 4 countries (5 of them in Taiwan). 2 of those suppliers hold a monopoly or leader position in their own segment, led by TSMC and SK hynix. Integrated Silicon Solution itself carries a supply-chain criticality score of 50/100, with 235 tracked companies downstream of it.

Data as of 2026-09-05 · suppliers are the curated key_supplier edges in the wafergraph dataset (researched or segment-inferred — see /methodology) · criticality is the graph-derived chokepoint score, 0–100

Dominant and single-source suppliers

  • TSMC — leader in Pure-Play Foundry, Taiwan criticality 81/100
  • SK hynix — leader in DRAM, South Korea criticality 81/100

A monopoly or leader supplier is the hardest to replace. These are the edges to watch first.

Suppliers by country

  • Taiwan — 5 suppliers (63%)
  • South Korea — 1 supplier (13%)
  • China — 1 supplier (13%)
  • United States — 1 supplier (13%)

All 8 tracked suppliers

Downstream exposure

  • Criticality score: 50/100
  • Companies downstream of Integrated Silicon Solution: 235
  • Tracked market cap downstream (priced companies only): $34.69T across 150 priced companies

Cite as: wafergraph, “Integrated Silicon Solution supply chain risk — 8 suppliers, single-source exposure & criticality”, https://wafergraph.com/supply-chain-risk/issi (data as of 2026-09-05).

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