Cleaning companies
As of 2026-10-04, wafergraph tracks 10 Cleaning companies across 4 countries; Lam Research, SCREEN Holdings, Tokyo Electron hold monopoly or leader positions. The largest by market cap is Lam Research at $434.9B, and the 6 priced companies total $539.0B.
Data as of 2026-10-04 · market caps from the daily wafergraph pipeline; unpriced companies are listed but not summed
10 companies in the Cleaning part of the semiconductor & AI value chain.
Companies
- Lam Research — Etch leader, critical to 3D NAND and advanced logic patterning.
- SCREEN Holdings — Leader in wafer cleaning equipment and coater/developer systems.
- Tokyo Electron — Japan's biggest fab equipment maker; near-monopoly in coater/developers.
- SEMES — Samsung's in-house equipment arm; etch, cleaning, and packaging tools.
- NAURA Technology — China's largest domestic fab equipment maker across etch and deposition.
- Kingsemi — Chinese coater/developer and single-wafer cleaning equipment maker.
- ACM Research — Cleaning equipment challenger with most revenue from China fabs.
- PSK Inc — Korean dry-strip and etch equipment maker.
- ClassOne Technology — Wet-processing and electroplating tools for 200mm and specialty fabs.
- KCTECH — Korean cleaning and CMP equipment maker.
Open the interactive Cleaning view →
Cite as: wafergraph, “Cleaning companies — list, suppliers & market position”, https://wafergraph.com/segment/equipment_front_end/cleaning/ (data as of 2026-10-04).
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