Smart Sand, Inc. owns and operates a raw frac sand mine and related processing facility near Oakdale, Wisconsin. The company is headquartered in The Woodlands, Texas and currently employs 323 full-time employees. The firm sells its products primarily to oil and natural gas exploration and production companies and oilfield service companies under a combination of long-term take-or-pay contracts and spot sales in the open market. The company owns and operates a raw frac sand mine and related processing facility near Oakdale, Wisconsin. In addition to the Oakdale facility, it owns a second property in Jackson County, Wisconsin, known as Hixton site. Its sand reserves include a balanced concentration of coarse (20/40, 30/50 and 40/70 gradation) sands and fine (60/140 gradation) sand. Its reserves contain deposits of approximately 20% of 20/40 and coarser substrate, over 40% of 40/70 mesh substrate and approximately 40% of 100-mesh substrate. Its 30/50 gradation is a derivative of the 20/40 and 40/70 blends.