How many suppliers does Amkor Technology have?

wafergraph tracks 16 key suppliers for Amkor Technology, across 7 countries.

Which of Amkor Technology's suppliers are single-source risks?

Teradyne, DISCO, BE Semiconductor Industries, ASMPT and Kulicke & Soffa hold monopoly or leader positions in their segments, which makes them the hardest suppliers for Amkor Technology to replace.

What is Amkor Technology's supply-chain criticality score?

Amkor Technology scores 68/100 on wafergraph's chokepoint criticality index, with 235 tracked companies downstream.

Amkor Technology supply chain risk

As of 2026-09-05, Amkor Technology depends on 16 tracked suppliers headquartered in 7 countries (6 of them in Japan). 7 of those suppliers hold a monopoly or leader position in their own segment, led by Teradyne, DISCO and BE Semiconductor Industries. Amkor Technology itself carries a supply-chain criticality score of 68/100, 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

Teradyne — leader in Test Equipment, United States criticality 81/100
DISCO — leader in Assembly & Packaging Equipment, Japan criticality 81/100
BE Semiconductor Industries — leader in Bonders, Netherlands criticality 81/100
ASMPT — leader in Assembly & Packaging Equipment, Singapore criticality 82/100
Kulicke & Soffa — leader in Bonders, Singapore criticality 82/100
Mitsui High-tec — leader in Packaging Materials (Leadframes, Bonding Wire), Japan criticality 82/100
TOWA — leader in Assembly & Packaging Equipment, Japan criticality 82/100

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

Suppliers by country

Japan — 6 suppliers (38%)
United States — 3 suppliers (19%)
Singapore — 2 suppliers (13%)
Taiwan — 2 suppliers (13%)
Netherlands — 1 supplier (6%)
Germany — 1 supplier (6%)
Switzerland — 1 supplier (6%)

All 16 tracked suppliers

Supplier	Segment	Position	Country	Criticality
Teradyne	Test Equipment	leader	United States	81/100
DISCO	Assembly & Packaging Equipment	leader	Japan	81/100
BE Semiconductor Industries	Bonders	leader	Netherlands	81/100
ASMPT	Assembly & Packaging Equipment	leader	Singapore	82/100
Kulicke & Soffa	Bonders	leader	Singapore	82/100
Mitsui High-tec	Packaging Materials (Leadframes, Bonding Wire)	leader	Japan	82/100
TOWA	Assembly & Packaging Equipment	leader	Japan	82/100
Chroma ATE	Test Equipment	major	Taiwan	68/100
Nordson	Test Equipment	major	United States	68/100
Sumitomo Metal Mining	Packaging Materials (Leadframes, Bonding Wire)	major	Japan	68/100
Tokyo Seimitsu (Accretech)	Assembly & Packaging Equipment	major	Japan	68/100
Cohu	Test Equipment	major	United States	69/100
Chang Wah Technology	Packaging Materials (Leadframes, Bonding Wire)	major	Taiwan	69/100
SUSS MicroTec	Assembly & Packaging Equipment	major	Germany	69/100
Tanaka Precious Metals	Packaging Materials (Leadframes, Bonding Wire)	major	Japan	69/100
Evatec	Deposition	niche	Switzerland	50/100

Downstream exposure

Criticality score: 68/100
Companies downstream of Amkor Technology: 235
Tracked market cap downstream (priced companies only): $34.67T across 149 priced companies

Cite as: wafergraph, “Amkor Technology supply chain risk — 16 suppliers, single-source exposure & criticality”, https://wafergraph.com/supply-chain-risk/amkor (data as of 2026-09-05).

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