Aehr Test Systems vs ISC
Both are primarily Test Equipment companies. ISC is larger by market cap ($3.1B vs $2.9B). ISC reports higher tracked revenue ($164M vs $50M).
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Side-by-side
| Aehr Test Systems | ISC | |
|---|---|---|
| Market cap | $2.9B | $3.1B |
| Revenue | $50M (FY2026) | $164M (FY2025) |
| Primary segment | Test Equipment | Test Equipment |
| Market position | niche | major |
| Country | United States | South Korea |
| Tracked suppliers | 0 | 0 |
| Tracked customers | 7 | 7 |
| Chokepoint / criticality | 50/100 | 68/100 |
Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.
How Aehr Test Systems and ISC compare
- Size: ISC is the larger company by market cap.
- Revenue: ISC reports higher tracked revenue.
- Supply-chain criticality: ISC has the higher chokepoint score (68/100 vs 50/100).
- Footprint: Aehr Test Systems (United States) vs ISC (South Korea).
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Cite as: wafergraph, “Aehr Test Systems vs ISC”, https://wafergraph.com/compare/aehr-vs-isc (data as of 2026-10-09).
Frequently asked questions3
- Is Aehr Test Systems bigger than ISC?
- ISC is larger by market cap ($3.1B vs $2.9B).
- What's the difference between Aehr Test Systems and ISC?
- Aehr Test Systems is a niche in Test Equipment based in United States; ISC is a major in Test Equipment based in South Korea. Both operate in the Equipment (Back End) segment.
- Who are Aehr Test Systems's and ISC's suppliers?
- wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for ISC.