Solaris Oilfield Infrastructure, Inc. operates as a holding company, which engages in the manufacture of patented mobile proppant management systems that unload, store, and deliver proppant at oil and natural gas well sites. Its products include Mobile Proppant and Mobile Chemical Management Systems, and Inventory Management Software. Its services include field services, last mile management, and transloading services. The company was founded by William A. Zartler in 2014 and is headquartered in Houston, TX.