This is a list of silicon producers. The industry involves several very different stages of production. Production starts at silicon metal, which is the material used to gain high purity silicon. High purity silicon in different grades of purity is used for growing silicon ingots, which are sliced to wafers in a process called wafering. Compositionally pure polycrystalline silicon wafers are useful for photovoltaics. Dislocation-free and extremely flat single-crystal silicon wafers are required in the manufacture of computer chips.
Polysilicon producers
Polysilicon producers:
Elkem
JFE Steel
Nitol Solar (Russia), bankrupt since 2019
SunEdison
SolarWorldHigh-purity silicon
Producers of high-purity silicon, an intermediate in the manufacture of polysilicon
Hemlock Semiconductor Corporation
Renewable Energy Corporation (REC)
SunEdison
Tokuyama Corporation
Wacker Chemie AGSilicon...
Marakus
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