U.S. Silica Holdings
U.S. Silica Holdings is a prominent producer of high-quality silica products, including unground silica, ground silica, fine ground silica, calcined kaolin clay, and aplite. Established over a century ago, the company traces its origins to the discovery of the Oriskany sandstone deposit in West Virginia by Henry Harrison Hunter, who showcased silica sand at the 1893 Chicago World's Fair. Over the years, U.S. Silica has expanded its operations through acquisitions and the development of a diverse range of over 200 unique products. The company operates a comprehensive network of production plants and packaging facilities across the United States, facilitating reliable procurement of silica and other industrial minerals. A significant portion of its revenue is generated from its Oil and Gas Proppants segment, supporting hydraulic fracturing operations. U.S. Silica emphasizes collaboration with customers to innovate product applications while maintaining a commitment to health, safety, quality, and environmental integrity. In 2008, the company was acquired by Golden Gate Capital, a private equity firm based in San Francisco.
EP Minerals, LLC is a global producer of industrial minerals, specializing in materials such as diatomaceous earth, perlite, and calcium bentonite. These minerals serve various applications, including filter aids, absorbents, and functional additives for industries such as food and beverage, biofuel, oil and gas, and agriculture. The company’s product range includes high-purity diatomaceous earth, cellulose filter aids, granular clay absorbents, and patented media for water purification and arsenic remediation. EP Minerals supplies its products through a robust global distribution network, reaching customers in nearly 100 countries. Founded in 1945 and based in Reno, Nevada, EP Minerals was formerly known as Eagle Picher Filtration & Minerals Inc. and became a subsidiary of U.S. Silica Holdings, Inc. in 2018.
Mississippi Sand, LLC is a manufacturer of high-quality natural sand proppants, primarily serving the oil and gas industry. Located in Festus, Missouri, the company boasts a significant reserve that complies with API standards. Mississippi Sand operates a sand mine and plant with an impressive production capacity of 1.2 million tonnes per year. The company focuses on enhancing logistics and operations, which includes five barge terminals and three rail terminals, to ensure efficient delivery of its products. By prioritizing quality control and customer service, Mississippi Sand has established itself as a leader in the industry, committed to innovation and excellence in all aspects of its business.
SandBox Logistics is a provider of innovative logistics solutions specifically designed for the transportation of proppant used in hydraulic fracturing within the oil and gas industry. Headquartered in Houston, Texas, the company operates six locations across the United States and employs approximately 300 people. SandBox Logistics is active in major shale plays, including the Permian, Eagle Ford, Bakken, DJ, and Marcellus basins. The company offers specialized containerization and logistics services tailored to oil field services and exploration and production companies. Utilizing patent-protected equipment and processes, SandBox Logistics focuses on proppant storage, handling, and well-site delivery, which helps clients lower costs, enhance operational efficiency, and mitigate the health and safety risks associated with silica dust at hydraulic fracturing job sites.
NBR Sand operates a single sand mine and plant that has the capacity to produce just over two million tons of fine-grade frac sand per year. The east Texas facility currently sells its products FOB the plant to customers that are primarily drilling and completing wells in the nearby basins.
Cadre Services is a major supplier of API/ISO-quality Premium Hickory® Sand to the oil and gas industry. Cadre produces four products: Cadre 16/30, Cadre 20/40, Cadre 30/50 and Cadre 40/70. With principal operations located in Voca, Texas, Cadre was recognized as the 2012 Outstanding Large Business in McCulloch County and was identified as one of the Houston Top 100 by the Houston Business Journal.
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