Smart Sand, Inc., an integrated frac sand supply and services company, engages in the excavation, processing, and sale of sands or proppant for use in hydraulic fracturing operations in the oil and gas industry in the United States. It also provides logistics services; and SmartSystems, a wellsite proppant storage solution. The company sells its products primarily to oil and natural gas exploration and production companies, oilfield service companies, and industrial manufacturers.