Who supplies Hemlock Semiconductor?

Hemlock Semiconductor's key suppliers include Ferroglobe and Ferrotec Holdings. They span the manufacturers, raw-material providers and equipment makers across Hemlock Semiconductor's supply chain.

Who are Hemlock Semiconductor's customers?

Hemlock Semiconductor supplies Corning, Shin-Etsu Chemical, SUMCO and GlobalWafers, among others downstream in its supply chain.

How many companies are in Hemlock Semiconductor's supply chain?

Make Sure I Know It maps 7 companies in Hemlock Semiconductor's supply chain across four tiers: end customers, manufacturers, materials and equipment suppliers.

Hemlock Semiconductor's Global Supply Chain

Semiconductor Materials

Hemlock Semiconductor is the only major US producer of hyperpure polysilicon, jointly owned by Corning and Shin-Etsu Handotai. It is the strategic Western, UFLPA-clean feedstock source for domestic wafer and chip supply.

7 companies · Last updated Jul 4, 2026

7 companies

Last updated Jul 4, 2026

Private

— · Private

Companies mapped

Listed companies

Risk flags

01End Customers4

02Manufacturer1

03Materials1

04Equipment1

Hemlock Semiconductor supply chain — frequently asked questions

Who supplies Hemlock Semiconductor?: Hemlock Semiconductor's key suppliers include Ferroglobe and Ferrotec Holdings. They span the manufacturers, raw-material providers and equipment makers across Hemlock Semiconductor's supply chain.
Who are Hemlock Semiconductor's customers?: Hemlock Semiconductor supplies Corning, Shin-Etsu Chemical, SUMCO and GlobalWafers, among others downstream in its supply chain.
How many companies are in Hemlock Semiconductor's supply chain?: Make Sure I Know It maps 7 companies in Hemlock Semiconductor's supply chain across four tiers: end customers, manufacturers, materials and equipment suppliers.

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