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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.
Florida Crushed Stone Co is a Center Hill, FL-based company in the Agriculture and Mining sector.
Mediterranean Resources Ltd. is a Vancouver, BC-based company in the Agriculture & Mining sector.
Rock Industries Inc is a Huntington Beach, CA-based company in the Agriculture and Mining sector.
First Quantum Minerals Ltd. is a global mining company producing copper and nickel, as well as gold and cobalt. Our growing portfolio of operations and projects spans four continents and employs around 20,000 people.