Steven Kalmin

Glencore International AG engages in the production and marketing of natural resources and industrial commodities. It provides financing, logistics, marketing, and purchasing services to producers and consumers of commodities. It serves automotive, oil, power generation, steel production, and food processing industries. The company was founded in 1974 and is headquartered in Baar, Switzerland.

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.

Katanga Mining Ltd. is a holding company, which engages in mining, processing, and selling of copper and cobalt metal. It operates a copper cobalt mine complex in the Democratic Republic of Congo through two joint ventures, Kamoto Copper Company and DRC Copper and Cobalt Project. The company was founded on October 7, 1996 and is headquartered in Zug, Switzerland.

Glencore AG engages in the trading in raw materials and other goods. Its product portfolio also includes sugar and grains. The company was founded on July 13, 1978 and is headquartered in Baar, Switzerland.

Glencore Holding AG operates as a holding company with interest in providing investment services. It acquires, holds and manages investments for setting up of subsidiaries. The firm's primary subsidiary Glencore International AG trades in crude oil, petroleum, ferrous and non-ferrous metals, minerals and agricultural products. The company is headquartered in Baar, Switzerland.

Biopetrol Industries AG engages in the manufacturing and distribution of biodiesel and pharmaceutical-grade glycerine. The firm's biodiesel is sold to the oil industry and traders, to public local transport operators, road hauliers, farmers and other end consumers. Biopetrol Industries was founded on August 29, 2005 and is headquartered in Zug, Switzerland.