SUMCO is one of the world's top silicon wafer makers, growing and polishing the crystalline silicon discs every chipmaker starts a chip from. Together with Shin-Etsu, it supplies over half the world's 300mm wafer capacity.
6 companies · Last updated
6 companies
Last updated
3436 · TSE
Companies mapped
Listed companies
Risk flags
SUMCO Corporation's supply chain spans 6 companies. Its key suppliers include Wacker Chemie and Ferrotec Holdings, and its customers include TSMC, Samsung Electronics and Intel. Below is the full map, broken down tier by tier — end customers, manufacturers, materials and equipment — with live stock tickers for every listed company.
Key suppliers
Key customers
Full interactive supply chain below
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SUMCO Corporation's supply chain concentrates 1 dependency in a single company or jurisdiction — disruption to any of these could ripple through SUMCO Corporation's production or sales.
TSMC
This company operates under Chinese jurisdiction or Chinese ownership. Export controls or geopolitical tensions could disrupt supply overnight.
Shin-Etsu Chemical
The world's #1 silicon wafer maker through its Shin-Etsu Handotai division, SUMCO's closest rival.
GlobalWafers
Taiwan's largest wafer maker and the world's #3, expanding aggressively in the US.
Siltronic AG
German wafer maker rounding out the top five global 300mm silicon suppliers.
Companies in SUMCO Corporation's supply chain that we've also mapped — open their full chains:
