AGC Inc. vs Taiwan Mask Corporation

Both are primarily Photomasks & Mask Blanks companies. AGC Inc. is larger by market cap ($7.7B vs $520M). AGC Inc. reports higher tracked revenue ($4.2B vs $192M).

Shared segment: Materials.

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Side-by-side

AGC Inc.Taiwan Mask Corporation
Market cap$7.7B$520M
Revenue$4.2B (FY2025)$192M (FY2021)
Primary segmentPhotomasks & Mask BlanksPhotomasks & Mask Blanks
Market positionmajorniche
CountryJapanTaiwan
Tracked suppliers00
Tracked customers87
Chokepoint / criticality70/10050/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-04. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How AGC Inc. and Taiwan Mask Corporation compare

  • Size: AGC Inc. is the larger company by market cap.
  • Revenue: AGC Inc. reports higher tracked revenue.
  • Supply-chain criticality: AGC Inc. has the higher chokepoint score (70/100 vs 50/100).
  • Footprint: AGC Inc. (Japan) vs Taiwan Mask Corporation (Taiwan).

Company hubs

AGC Inc. · Taiwan Mask Corporation · Materials segment

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Cite as: wafergraph, “AGC Inc. vs Taiwan Mask Corporation”, https://wafergraph.com/compare/agc-vs-taiwan_mask (data as of 2026-10-04).

Frequently asked questions3
Is AGC Inc. bigger than Taiwan Mask Corporation?
AGC Inc. is larger by market cap ($7.7B vs $520M).
What's the difference between AGC Inc. and Taiwan Mask Corporation?
AGC Inc. is a major in Photomasks & Mask Blanks based in Japan; Taiwan Mask Corporation is a niche in Photomasks & Mask Blanks based in Taiwan. Both operate in the Materials segment.
Who are AGC Inc.'s and Taiwan Mask Corporation's suppliers?
wafergraph tracks 0 suppliers for AGC Inc. and 0 for Taiwan Mask Corporation.