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World Minerals Inc. is a world leading supplier of engineered mineral products derived from diatomaceous earth and expanded perlite, natural raw materials possessing unusually light density, chemical inertness, high surface area and intricate structure
Classic Marble and Stone Inc is a Hoagland, IN-based company in the Agriculture and Mining sector.
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.
Maple Gold Mines Ltd. is a Canadian advanced exploration company in a 50/50 joint venture with Agnico Eagle Mines Limited to jointly advance the district-scale Douay and Joutel gold projects located in the prolific Abitibi Greenstone Gold Belt of Quebec, Canada. The Company also holds an exclusive option to acquire 100% of the Eagle Mine Property located at Joutel.
Gold Royalties Corporation is a publicly traded, growth-orientated gold royalty business that acquires and holds gold royalty assets for investment purposes. Gold Royalties Corporation, a junior gold royalty company, focuses on the acquisition and ownership of gold royalties in Canada. It owns royalty interests on producing and predevelopment ore bodies with asset focus on gold camps in Ontario and Quebec. The company was founded in 2010 and is based in Calgary, Canada. As of April 28, 2015, Gold Royalties Corporation operates as a subsidiary of Sandstorm Gold Ltd.