Fredrick J. P. Roux

Xstrata Plc is engaged in the mining industry. Its business units include Xstrata Alloys, Xstrata Copper, Xstrata Zinc, Xstrata Coal, Xstrata Nickel, and Xstrata Technology Services. The Xstrata Alloys business unit produces ferrochrome, primary vanadium and owns carbon and anthracite operations, which supply key raw materials to its ferrochrome smelters. The Xstrata Copper business unit is a global copper producer and also manages a recycling business, Xstrata Recycling. The Xstrata Zinc business unit specializes in the mining and production of zinc. The Xstrata Coal business unit is an exporter of thermal coal and a significant producer of premium quality hard coking coal and semi-soft coal. The Xstrata Nickel business unit focuses on nickel and cobalt production and operates mines, refineries, and processing facilities. The Xstrata Technology Services business unit provides proprietary technologies and specialist services in the areas of mining, mineral processing, and metals extraction to major mining companies. The company was founded in 1926 and is headquartered in Zug, Switzerland.

Gencor Ltd. engages in the mining of minerals. The company was founded in 1980 and is headquartered in Parktown, South Africa.

Sallies Ltd. engages in the production and marketing of acid grade fluorspar and also explores for additional fluorspar resources. The firm exports and produces hydrofluoric acid, which is converted into HFC refrigerant gases, fluoroplastics, aluminum tri-fluoride and products for niche markets. Its Witkop Fluorspar Mine produces acid grade fluorspar concentrates from opencast mining, predominantly for export. It also produces some metallurgical grade fluorspar and agricultural lime for the local market. The company was founded in 1903 and is headquartered in Pretoria, South Africa.