Solaris Oilfield Infrastructure, Inc. is a holding company, which engages in the manufacture of patented mobile proppant management systems that unload, store, and deliver proppant to oil and natural gas well sites. The company is headquartered in Houston, Texas and currently employs 338 full-time employees. The company went IPO on 2017-05-12. The firm designs and manufactures specialized equipment, which combined with field technician support, last mile logistics services and software solutions, which enables it to provide a service offering that helps oil and natural gas operators and their suppliers during the completion phase of well development. The company services active oil and natural gas basins in the United States. The company specializes in developing all electric equipment that automates the low-pressure section of oil and gas well completion sites. The Company’s sand handling service span from mobile proppant management systems to multiple types of all-electric, automated systems designed to store, move, and blend sand and fluids on the low-pressure side of well completion sites. The company measures its activity based on the number of its fully utilized systems.