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AMCOL International Corporation operates in five segments: minerals, environmental, oilfield services, transportation and corporate. The Company's minerals segment mines, processes and distributes clays and products with similar applications for use in
Spruce Ridge Resources Limited, an exploration stage company, engages in locating, acquiring, and exploring mineral resources in Canada. The company primarily explores for uranium, gold, silver, and base metals. It primarily focuses on exploring the Kramer gold property located in western Newfoundland. The company also holds interests in two gold properties located in the Beardmore-Geraldton greenstone belt of northwestern Ontario and two uranium properties in Newfoundland. In addition, it has a 50% joint venture with RX Gold & Silver Inc. to hold interest in the Drumlummon Mine in Montana; and an option agreement with Nevada Exploration Inc. to acquire a 100% interest in the Fletcher Junction gold property located in Mineral County, Nevada. Spruce Ridge Resources Limited was incorporated in 1989 and is based in Simcoe, Canada.
Sabina Gold and Silver Corp. is a North Vancouver, BC-based company in the Agriculture and Mining sector.
Gunther Salt Co is a Saint Louis, MO-based company in the Agriculture and Mining sector.
Interpolymer Corp is a Canton, MA-based company in the Agriculture and Mining sector.