Sibanye Stillwater Limited, together with its subsidiaries, 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; 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.