Thompson Creek Metals Company Inc. engages in mining, milling, processing, and marketing of molybdenum products in the United States and Canada. Its principal properties include the Thompson Creek Mine, an open-pit molybdenum mine and concentrator located in Idaho; the Endako Mine, an open-pit molybdenum mine, concentrator, and roaster in British Columbia; and the Langeloth metallurgical facility in Pennsylvania. The company also holds interests in exploration properties comprising the Berg property, a copper, molybdenum, and silver exploration project located in British Columbia; the Davidson property, an underground molybdenum exploration project in British Columbia; the Howard's Pass property, a lead and zinc project situated in the Yukon territory-northwest territories border; and the Maze Lake property, a gold project located in the Kivalliq district of Nunavut. In addition, it has an interest in the Mt. Milligan project, a development project located in British Columbia. The company produces molybdenum products, primarily molybdic oxide and ferromolybdenum, as well as soluble technical oxide, pure molybdenum tri-oxide, and high purity molybdenum disulfide. As of December 31, 2011, its consolidated proven and probable reserves totaled 448.8 million pounds of contained molybdenum in the Thompson Creek Mine and the Endako Mine. The company was formerly known as Blue Pearl Mining Ltd. and changed its name to Thompson Creek Metals Company Inc. in May 2007. Thompson Creek Metals Company Inc. is based in Denver, Colorado.