Sibanye Stillwater Limited operates as a precious metals mining company in South Africa, the United States, Zimbabwe, Canada, and Argentina. The company produces gold; platinum group metals (PGMs), including palladium, platinum, and rhodium projects; and by-products, such as iridium, ruthenium, nickel, copper, and chrome. It owns the East Boulder and Stillwater mines located in Montana, the United States; and Columbus metallurgical complex, which smelts the material mined to produce PGM-rich filter cake, as well as conducts PGM recycling activities. The company is also involved in the Kroondal, Rustenburg, Marikana, and Platinum Mile operations situated in South Africa; Mimosa located on the southern portion of the Great Dyke in Zimbabwe; the Driefontein, Kloof, and Cooke surface operations located on the West Rand of the Witwatersrand Basin; and the Beatrix situated in the southern Free State. In addition, it owns an interest in surface tailings retreatment facilities; the Marathon PGM project in Ontario, Canada; the Altar and Rio Grande copper gold projects in the Andes in north-west Argentina; the Hoedspruit, Zondernaam, and Vygenhoek PGM projects in South Africa; and the Burnstone and southern Free State gold projects in South Africa. Sibanye Gold Limited was incorporated in 2002 and is headquartered in Weltevreden Park, South Africa.