Leading-edge semiconductor equipment and process materials suppliers — EUV and DUV lithography systems (ASML, Nikon, Canon), etch/deposition (Lam, Applied Materials, Tokyo Electron), ALD and epitaxy (ASM International), process control and yield management (KLA), photomasks (Photronics), ion implant (Axcelis), gas/RF delivery and fluid/chemical delivery subsystems (MKS, Ultra Clean, Ichor), and photoresists, CMP slurries, and filtration/purification materials (Shin-Etsu Chemical, Tokyo Ohka Kogyo, Entegris) — alongside TSMC as the primary foundry beneficiary of the AI-driven front-end capex supercycle.