EP Minerals, a U.S. Silica company, mines, processes and markets quality diatomite, perlite and clay products. We are one of ... the top producers and distributors of diatomaceous earth and Bentonite clay worldwide. Our products are used as filter aids, absorbents, functional additives and soil amendments. EP Minerals products are used in a wide array of applications including food & beverage, swimming pool, biofuel, landscape, sports turf, insecticides, energy, paints, plastics, automotive, and many others. EP Minerals also produces patented water purification media and arsenic removal products. Our business is global and we ship direct to nearly 100 countries worldwide. Our substantial ore reserves, multiple manufacturing sites, rich new product pipeline and global distribution network position us for continuous growth well into the future. For more information, please visit our website at www.epminerals.com. EP Minerals is owned by U.S. Silica, a leading producer of commercial silica used in the oil and gas industry, and in a wide range of industrial applications. Over its 118-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 over 200 products to customers across our end markets. The Company currently operates nine industrial sand production plants and eight oil and gas sand production plants. The Company is headquartered in Frederick, Md. and also has offices located in Chicago, Ill. and Houston, Texas. read more