Mark A. Hartmann

Part of Silver Verde May Mining Co., Golden Eagle Mining Co. is a mining company that extracts gold and copper. The company is based in Wallace, ID. Mark A. Hartmann has been the CEO of the company since 2004. Golden Eagle Mining was acquired by Silver Verde May Mining Co. on August 14, 2008 for $11.43 million.

Outlast Technologies LLC researches, develops, designs and markets phase change materials. It utilizes phase change materials (PCM) that absorb, store and release heat for optimal thermal comfort. Outlast is also actively exploring home furnishings, packaging, military, medical and other markets. The company was founded by Ed Payne, Bernard T. Perry in 1990 and is headquartered in Golden, CO.

U.S. Silver Corp. engages in the exploration, extraction, and development of silver, copper-lead metals. Through its wholly owned subsidiaries owns and operates the Galena, Coeur, and Caladay silver-lead-copper mines in Shoshone County, Idaho. The Galena Mine lies in the heart of the Coeur d'Alene Mining District, the most prolific silver district in United States. Its properties include Galena Mine & Mill, Coeur Mine & Mill and Caladay mine are located in Shoshone County, Idaho, USA. The company formerly known as Chrysalis Capital III Corp. U.S. Silver was founded on March 23, 2006 and is headquartered in Toronto, Canada.

Lafarge North America, Inc. engages in the manufacture and distribution of construction materials. The firm's products include cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt, concrete pipes, and blocks. The company was founded in 1983 and is headquartered in Chicago, IL.

Oglebay Norton Co. LLC engages in mining, processing, transporting and marketing industrial minerals and aggregates. It provides aggregates and industrial minerals for applications in the building materials, environmental, energy and industrial markets. The company operates in three segments: Great Lakes Minerals, Global Stone and Performance Minerals. The Great Lakes Minerals segment mines and distributes limestone from facilities located in northern Michigan. The Global Stone segment supplies lime, crushed and ground limestone, construction aggregates and chemical limestone in the Great Lakes region. It's products are used as a filler in building materials, waste water treatment and soil stabilization and as an aggregate for construction of highways, shopping centers, hospitals and schools. Performance Minerals segment mines and processes industrial sands. The company was founded in 1854 and is headquartered in Cleveland, OH.

Sunshine Mining Co. engages in mining operations. The private company is based in Boise, ID and has subsidiaries in the United States.