Solaris Oilfield Infrastructure, Inc. is a Houston-based company that manufactures and sells mobile equipment to load and unload proppant, water, and chemicals at oil and natural gas well sites in the United States. The company also provides last-mile logistics management and proprietary software to the exploration and production and oilfield services industries. Founded in 2014, Solaris Oilfield Infrastructure, Inc. is involved in the transloading and storage of proppant and develops inventory management software.