AT&S competitors
As of 2026-09-05, AT&S's closest competitors in Substrates are Ajinomoto, Corning Incorporated and Unimicron. wafergraph tracks 27 companies in Substrates; AT&S is positioned as a market major there with a market cap of $7.5B, and the largest competitor by market cap is Corning Incorporated at $132.9B.
Data as of 2026-09-05 · peers = companies sharing AT&S's primary Substrates segment in the wafergraph taxonomy · ordered by market position, then market cap
Who competes with AT&S
1 more Substrates companies are listed on the segment page.
Customers AT&S shares with its competitors
Cite as: wafergraph, “AT&S competitors — 26 rivals in Substrates, compared”, https://wafergraph.com/competitors/ats (data as of 2026-09-05).
Open AT&S in the interactive supply-chain view →
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