Silicon wafer producers

South Korean chemical company

Qcells (formerly known as Hanwha Qcells) is a manufacturer of photovoltaic cells. The company is headquartered in Seoul, South Korea, after being founded in 1999 in Bitterfeld-Wolfen, Germany, where the company still has its engineering offices. Qcells was purchased out of bankruptcy in August 2012 by the Hanwha Group, a South Korean business conglomerate. Qcells now operates as a subsidiary of Hanwha Solutions, the group's energy and petrochemical company.

company

German company

Soitec is a French multinational corporation that manufactures substrates used in the manufacturing of semiconductors.

Elkem ASA is an international chemical company that produces silicones, silicon, alloys for the foundry industry, carbon and microsilica, and other materials.Elkem was founded in 1904, and has more than 7,200 employees and fields 31 production sites worldwide. Elkem is also listed on the Oslo Stock Exchange (ticker: ELK).

LONGi Green Energy Technology Co. Ltd. () or LONGi Group (), formerly '''Xi'an Longi Silicon Materials Corporation''', is a Chinese photovoltaics company, a major manufacturer of solar modules and a developer of solar power projects.

is a Japanese semiconductor company, manufacturing silicon wafers for semiconductor manufacturers worldwide.

GlobalWafers Co., Ltd. () is a Taiwanese semiconductor company. As of 2022, they are the world's third largest silicon wafer supplier.

Siltronic AG is a German manufacturer of wafers made of hyperpure silicon headquartered in Munich.

SunEdison, Inc. (formerly MEMC Electronic Materials) was a renewable energy company headquartered in the U.S. In addition to developing, building, owning, and operating solar power plants and wind energy plants, it also manufactures high-purity polysilicon, monocrystalline silicon ingots, silicon wafers, solar modules, solar energy systems, and solar module racking systems. Originally a silicon-wafer manufacturer established in 1959 as the Monsanto Electronic Materials Company, the company was sold by Monsanto in 1989.