Guardvant, Inc

Universal Minerals International, Inc. is a leading provider of nuclear shielding supplies and construction solutions, specializing in precision garnet, DenseCRETE ShieldBLOCK Shield, DOOR Shield, and GROUT FerriCHEM FerriCAST Heavy Concrete. With over 5 decades of experience, Universal Minerals International is dedicated to finding and developing markets for industrial minerals and industrial mineral wastes, offering the highest quality products and customer service in today's global market.Generated from the website

Asarco is one of the world's leading producers of copper, with mines, smelters and refineries located throughout the United States. The company also purchases concentrates containing silver and gold from other mining companies. Concentrates bearing precious metals are processed at Asarco's copper smelters in Texas. The resultant sediments recovered from the smelters are used as feed for Asarco's precious metals refinery that has the capacity to produce more than 600,000 troy ounces of gold and over 60 million troy ounces of silver per year. Asarco manufactures two grades of bismuth oxide, including assay- and commercial-grade. The company s Globe Specialty Metals Plant, located in Denver, produces high-purity metals, and specialty compounds and alloys. Asarco is located in Tucson, Ariz.