SK hynix supply chain risk

As of 2026-09-05, SK hynix depends on 170 tracked suppliers headquartered in 18 countries (51 of them in Japan). 43 of those suppliers hold a monopoly or leader position in their own segment, led by ASML, Ajinomoto and Carl Zeiss SMT. SK hynix itself carries a supply-chain criticality score of 81/100, 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

  • ASML — monopoly in Lithography, Netherlands criticality 100/100
  • Ajinomoto — monopoly in Substrates, Japan criticality 99/100
  • Carl Zeiss SMT — monopoly in Lithography, Germany criticality 100/100
  • TRUMPF — monopoly in Lithography, Germany criticality 100/100
  • Lam Research — leader in Etch, United States criticality 83/100
  • Applied Materials — leader in Deposition, United States criticality 83/100
  • KLA — leader in Metrology & Inspection, United States criticality 83/100
  • Linde — leader in Specialty Gases, United Kingdom criticality 83/100
  • Tokyo Electron — leader in Deposition, Japan criticality 83/100
  • Advantest — leader in Test Equipment, Japan criticality 82/100
  • Air Liquide — leader in Specialty Gases, France criticality 83/100
  • Atlas Copco — leader in Subsystems & Components, Sweden criticality 85/100
  • Shin-Etsu Chemical — leader in Silicon Wafers, Japan criticality 83/100
  • Teradyne — leader in Test Equipment, United States criticality 81/100
  • HOYA — leader in Photomasks & Mask Blanks, Japan criticality 81/100
  • ASM International — leader in Deposition, Netherlands criticality 83/100
  • Unimicron — leader in Substrates, Taiwan criticality 81/100
  • DISCO — leader in Assembly & Packaging Equipment, Japan criticality 81/100
  • Ibiden — leader in Substrates, Japan criticality 81/100
  • VAT Group — leader in Subsystems & Components, Switzerland criticality 85/100
  • Entegris — leader in Photoresists & Chemicals, United States criticality 81/100
  • Technoprobe — leader in Probe Cards, Italy criticality 81/100
  • BE Semiconductor Industries — leader in Bonders, Netherlands criticality 81/100
  • Hanmi Semiconductor — leader in Bonders, South Korea criticality 81/100
  • SCREEN Holdings — leader in Cleaning, Japan criticality 83/100
  • Daifuku — leader in Subsystems & Components, Japan criticality 81/100
  • Ningbo Jiangfeng Electronic Material (Konfoong) — leader in Sputtering Targets, China criticality 83/100
  • ASMPT — leader in Assembly & Packaging Equipment, Singapore criticality 82/100
  • FormFactor — leader in Probe Cards, United States criticality 81/100
  • Tokyo Ohka Kogyo — leader in Photoresists & Chemicals, Japan criticality 83/100
  • AIXTRON — leader in Deposition, Germany criticality 93/100
  • Kulicke & Soffa — leader in Bonders, Singapore criticality 82/100
  • HPSP — leader in Deposition, South Korea criticality 81/100
  • Adeia Inc. — leader in Semiconductor IP Licensing, United States criticality 83/100
  • Photronics — leader in Photomasks & Mask Blanks, United States criticality 83/100
  • Fujimi Incorporated — leader in CMP Slurries, Japan criticality 81/100
  • Mitsui High-tec — leader in Packaging Materials (Leadframes, Bonding Wire), Japan criticality 82/100
  • TOWA — leader in Assembly & Packaging Equipment, Japan criticality 82/100
  • Stella Chemifa — leader in Photoresists & Chemicals, Japan criticality 81/100
  • EV Group — leader in Bonders, Austria criticality 81/100
  • IQE — leader in Silicon Wafers, United Kingdom criticality 81/100
  • JSR — leader in Photoresists & Chemicals, Japan criticality 83/100
  • SK Specialty — leader in Specialty Gases, 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

  • Japan — 51 suppliers (30%)
  • United States — 34 suppliers (20%)
  • South Korea — 30 suppliers (18%)
  • Taiwan — 12 suppliers (7%)
  • China — 12 suppliers (7%)
  • Germany — 9 suppliers (5%)
  • Switzerland — 4 suppliers (2%)
  • Netherlands — 3 suppliers (2%)
  • United Kingdom — 3 suppliers (2%)
  • Singapore — 2 suppliers (1%)
  • Austria — 2 suppliers (1%)
  • Israel — 2 suppliers (1%)
  • France — 1 supplier (1%)
  • Sweden — 1 supplier (1%)
  • Italy — 1 supplier (1%)
  • Hong Kong — 1 supplier (1%)
  • Belgium — 1 supplier (1%)
  • Hungary — 1 supplier (1%)

All 170 tracked suppliers

Downstream exposure

  • Criticality score: 81/100
  • Companies downstream of SK hynix: 235
  • Tracked market cap downstream (priced companies only): $34.69T across 150 priced companies

Cite as: wafergraph, “SK hynix supply chain risk — 170 suppliers, single-source exposure & criticality”, https://wafergraph.com/supply-chain-risk/sk_hynix (data as of 2026-09-05).

Open SK hynix's supplier graph →

Track the chain

What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.

Subscribe to the free weekly briefing →

Free · no login · 615 companies, updated weekly