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 producer and supplier of industrial minerals, specializing in diatomaceous earth (DE), perlite, and calcium bentonite. Founded in 1945 and based in Reno, Nevada, the company serves a diverse array of industries, including food and beverage, biofuel, oil and gas, agriculture, and landscape, both in the United States and internationally. Its product offerings include filter aids, absorbents, functional additives, and aggregates. These materials are employed in applications such as water purification, arsenic remediation, filtration, agricultural enhancements, and sports turf management. EP Minerals also provides patented solutions for water treatment and operates through a global distribution network. The company is a subsidiary of U.S. Silica Holdings, Inc., having previously operated under the name Eagle Picher Filtration & Minerals Inc.
Mississippi Sand
Acquisition in 2017
Mississippi Sand, LLC is a manufacturer of high-quality natural sand proppants, operating as a subsidiary of U.S. Silica Holdings, Inc. The company is based in Festus, Missouri, where it maintains a substantial API-compliant reserve. Mississippi Sand emphasizes innovation in the industry, focusing on logistics, operations, quality control, and sales to enhance the customer experience. With a production capacity of 1.2 million tonnes per annum, the company provides mining and logistics services, including five barge terminals and three rail terminals, ensuring efficient access to its resources for clients. This commitment to excellence and service quality has positioned Mississippi Sand as a significant player in the sand proppant market.
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 fine-grade frac sand, specializing in 40/70 mesh and 100 mesh silica sand for use in hydraulic fracturing operations. The company operates a single sand mine and plant located in East Texas, which has the capacity to produce just over two million tons of silica sand annually. NBR Sand sells its products on a free on board (FOB) basis to customers primarily engaged in drilling and completing wells in nearby basins.
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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