U. S. Silica Company is one of the leading producers of ground and ungrounded silica sand, kaolin clay, aplite and related industrial minerals. It specializes in the mining and processing of industrial minerals, as well as production and marketing of silica. The company markets products for a variety of pool and municipal filtration, chromatography, and golf course construction and maintenance applications. Its product line includes concrete sand, zeobest zeolite filter media and FLORISIL adsorbents. U. S. Silica Company has a corporate laboratory that provides technical expertise, analytical testing, mineral processing, painting, coating and application development services. It also offers online information related to heath and safety measures. The company additionally provides online credit application options.