Anglo American Platinum Limited is the world's largest primary producer of platinum, accounting for about 38% of the world's annual supply. Based in South Africa, most of the group's operations lie to the northwest and northeast of Johannesburg. A majority of the company's operations take place in the Bushveld Igneous Complex, a large region that contains a range of mineral commodities including chromium, vanadium, titaniferous magnetite and platinum group metals. Wikipedia