Lam Research vs PSK Inc

Both are primarily Etch companies. Lam Research is larger by market cap ($434.9B vs $3.3B). Lam Research reports higher tracked revenue ($23.2B vs $337M).

Shared segment: Equipment (Front End).

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

Side-by-side

Lam ResearchPSK Inc
Market cap$434.9B$3.3B
Revenue$23.2B (FY2026)$337M (FY2025)
Primary segmentEtchEtch
Market positionleaderniche
CountryUnited StatesSouth Korea
Tracked suppliers120
Tracked customers97
Chokepoint / criticality83/10050/100

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 Lam Research and PSK Inc compare

  • Size: Lam Research is the larger company by market cap.
  • Revenue: Lam Research reports higher tracked revenue.
  • Supply-chain criticality: Lam Research has the higher chokepoint score (83/100 vs 50/100).
  • Footprint: Lam Research (United States) vs PSK Inc (South Korea).

Company hubs

Lam Research · PSK Inc · Equipment (Front End) segment

Open the interactive comparison tool →

Cite as: wafergraph, “Lam Research vs PSK Inc”, https://wafergraph.com/compare/lam_research-vs-psk (data as of 2026-10-04).

Frequently asked questions3
Is Lam Research bigger than PSK Inc?
Lam Research is larger by market cap ($434.9B vs $3.3B).
What's the difference between Lam Research and PSK Inc?
Lam Research is a leader in Etch based in United States; PSK Inc is a niche in Etch based in South Korea. Both operate in the Equipment (Front End) segment.
Who are Lam Research's and PSK Inc's suppliers?
wafergraph tracks 12 suppliers for Lam Research and 0 for PSK Inc — Lam Research's include Ferrotec, MKS Instruments, Advanced Energy.