ISC

ISC is a major in the Equipment (Back End) segment of the semiconductor & AI supply chain, headquartered in South Korea. Its key customers include Samsung Electronics, SK hynix, TSMC.

Korean burn-in and test socket maker.

Ticker
KOSDAQ: 095340
Headquarters
South Korea
Revenue
$161M (FY2025) · +26.2% YoY
Net income
$41M
Market position
major
Value-chain segment
Test Equipment
Key products
test sockets (semiconductor post-process)

About ISC

ISC, headquartered in South Korea, operates in the Test Equipment segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include test sockets (semiconductor post-process). wafergraph maps 7 tracked customers for ISC across the value chain. It has a supply-chain criticality score of 68/100, with 236 companies downstream of it.

Role in the chain

ISC is a market major in Equipment (Back End) (Test Equipment), headquartered in South Korea. Korean burn-in and test socket maker.

Diligence questions

  1. The dataset names 7 tracked customers for ISC. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  2. ISC is headquartered in South Korea. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  3. ISC trades as KOSDAQ:095340. What does the latest reported period say about capacity and backlog versus the graph position above?
  4. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for ISC

Key products

  • test sockets (semiconductor post-process)

Customers

More Equipment (Back End) companies

Compare with

Advantest · Teradyne · Keysight Technologies · Chroma ATE · Hangzhou Changchuan Technology · Nordson

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “ISC — supply chain, financials & market position”, https://wafergraph.com/company/isc (data as of 2026-09-05).

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