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Hallett Materials is a Des Moines, IA-based company in the Agriculture and Mining sector.
Nova Scotia Government is a Halifax, NS-based company in the Agriculture and Mining sector.
Defiance Silver Corp. is a silver explorer and developer advancing the San Acacio Deposit, located in the historic Zacatecas Silver District of central Mexico that has produced over 700 million ounces of silver. Defiance is managed by a team of proven mine developers with a track record of exploring and developing 11 operating mines to date. Our corporate mandate is to expand San Acacio to become one of Mexico’s premier high grade silver deposits. Defiance Silver Corporation trades under the symbol “DEF” on the TSX Venture Exchange.
U.S. Silica Holdings Inc. is a global performance materials company and is a member of the Russell 2000. The company is a leading producer of commercial silica used in the oil and gas industry and in a wide range of industrial applications. Over its 123-year history, U.S. Silica has developed core competencies in mining, processing, logistics and materials science that enable it to produce and cost-effectively deliver more than 600 diversified products to customers across our end markets. U.S. Silica`s wholly-owned subsidiaries include EP Minerals and SandBox Logistics™. EP Minerals is an industry leader in the production of products derived from diatomaceous earth, perlite, engineered clays and non-activated clays. SandBox Logistics™ is a state-of-the-art leader in proppant storage, handling and well-site delivery, and is dedicated to making proppant logistics cleaner, safer and more efficient. The company has 27 operating mines and processing facilities and two additional exploration stage properties across the United States and is headquartered in Katy, Texas.