U.S. Silica is a producer of high-quality unground silica, ground and fine ground silica, calcined kaolin clay and aplite. It's a visionary company, with a history dating back more than 100 years -- making us one of the oldest in the industry. Henry Harrison Hunter first discovered the Oriskany sandstone deposit just north of Berkeley Springs, West Virginia, where he mined and processed his first sample by hand. Hunter entered a sample of this silica sand in the Chicago World's Fair in 1893, and was awarded a blue ribbon and the medal of excellence. Since 1893, U.S. Silica has acquired many properties, developed more than 200 unique products, and created a network of production plants and packaging facilities across the country -- making procurement of the silica, ground and fine ground silica and other industrial minerals you need convenient and reliable. U.S. Silica is built on a foundation of stability, with the keys to our longevity rooted in our ability to collaborate with our customers to find new and innovative ways to use our products, while maintaining our dedication to health, safety, quality and integrity in the workplace and the environment. In November of 2008, U.S. Silica was acquired by Golden Gate Capital, a San Francisco based private equity firm.
EP Minerals, LLC is a global producer of industrial minerals, specializing in diatomaceous earth (DE), perlite, and calcium bentonite. Established in 1945 and based in Reno, Nevada, the company provides a variety of products that serve as filter aids, absorbents, and functional additives across numerous industries, including food and beverage, biofuel, oil and gas, and sports turf. Their offerings include high purity DE, cellulose filter aids, granular clay absorbents, and patented water purification and arsenic remediation media. EP Minerals' products are utilized in applications such as arsenic removal, agricultural enhancements, and filtration, and are distributed through a global network to thousands of companies and consumers in nearly 100 countries. The company operates as a subsidiary of U.S. Silica Holdings, Inc., having changed its name from Eagle Picher Filtration & Minerals Inc. in 2006.
Mississippi Sand
Acquisition in 2017
Mississippi Sand is a manufacturer of top quality, natural sand proppants. With a significant, API compliant reserve located in Festus, MO, Mississippi Sand has pushed itself to innovate the industry from the beginning. A focus on logistics, operations, quality control and sales, as well as a commitment to improving the customer experience has contributed to reaching a standard of excellence.
Sandbox Enterprises
Acquisition in 2016
Sandbox Enterprises is a provider of innovative logistics solutions and technology for the transportation of proppant used in hydraulic fracturing in the oil and gas industry. The privately-held company employees approximately 300 people at its six locations in the U.S. The company is active in all of the major shale plays including the Permian, the Eagle Ford, the Bakken, the DJ and the Marcellus basins. The company is headquartered in Houston, Texas.
NBR Sand
Acquisition in 2016
NBR Sand is a producer of silica sand, specifically focusing on fine-grade frac sand used in hydraulic fracturing operations. The company operates a sand mine and processing facility located in East Texas, which has the capacity to produce over two million tons of sand annually. NBR Sand specializes in 40/70 mesh and 100 mesh silica sand, catering primarily to customers involved in drilling and completing wells in nearby basins. The facility sells its products on a free on board (FOB) basis, emphasizing its commitment to supplying high-quality sand to meet the needs of the energy sector.
Cadre
Acquisition in 2014
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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