Thompson Creek Metals Company Inc. is a diversified mining company. It is a producer of molybdenum and has copper and gold reserves. It operates in three segments: US Operations Molybdenum, Canadian Operations Molybdenum, and Copper-Gold (Development). The US Operations Molybdenum segment includes all mining, milling, mine site administration, roasting and sale of molybdenum products from the Thompson Creek Mine (TC Mine) and the Langeloth Facility, as well as all roasting and sales of third-party purchased material. The Canadian Operations Molybdenum segment includes all mining, milling, mine site administration, roasting and sale of molybdenum products from the 75% owned Endako Mine. The Copper-Gold (Development) segment includes development site administration from Mt. Milligan.