UC Resources Ltd., an exploration stage company, engages in the exploration of base metals and chromite in the McFaulds Lake area of the James Bay Lowlands, Ontario, Canada. It also explores and produces precious metals in Mexico; and involves in the acquisition, exploration, and development of gold and silver properties. The company was founded in 1990 and is headquartered in Vancouver, Canada.
United Coal Holdings Ltd., formerly Cooper Minerals Inc., engages in acquiring, exploring, and developing uranium and polymetallic properties in the Northwest Territories in Canada, and uranium properties in Finland. The company was formerly known as JNB Developments Co. Ltd. and changed its name to Cooper Minerals Inc. in July 2004 as part its business focus change from investment and development of residential real estate properties to acquiring, exploring, and developing mineral properties. United Coal Holdings Ltd. has a minor participation in the Mina Real and Santa Fe Silver-Gold Projects in Nayarit in a JV with Rochester Resources Ltd. and E-Energy Ventures Inc. Cooper Minerals Inc. was incorporated in 1958 and is based in Vancouver, Canada.The name was changed to United Coal Holdings Ltd. on May 25, 2012.
United States Antimony Corporation engages in the production and sale of antimony and zeolite products in the United States. The company offers antimony oxide that is primarily used in conjunction with a halogen to form a synergistic flame retardant system for plastics, rubber, fiberglass, textile goods, paints, coatings, and paper. Its antimony oxide is also used as a color fastener in paints, as a catalyst for the production of polyester resins for fibers and films, as a phosphorescent agent in fluorescent light bulbs, and as an opacifier for porcelains. The company also offers various grades of sodium antimonite, which is principally used as a fining agent for glass in cathode ray tubes used in television picture tubes, as well as a flame retardant; and antimony metal for use in bearings, storage batteries, and ordnance. In addition, it offers zeolite, which is used for various purposes, including soil amendment and fertilization, water filtration, sewage treatment, nuclear waste and other environmental cleanup, odor control, gas separation, and animal nutrition. The company was founded in 1968 and is based in Thompson Falls, Montana.
U.S. Precious Metals, Inc., an exploration stage company, engages in the acquisition, exploration, and development of mineral properties in Mexico. The company focuses on gold, silver, and copper deposits. It holds interests in the Solidaridad concessions covering approximately 37,000 contiguous acres of land located in Michoacan, Mexico. The company has strategic relationships with Nexam Capital LLC and HFP Capital Markets LLC in connection with exploring its financial and strategic options relating to the exploration and production of minerals on the La Sabila mining concessions. The company was founded in 1998 and is headquartered in Lake Mary, Florida.