ProPetro Holding Corp. is an oilfield services company. The Company provides hydraulic fracturing and other complementary services to upstream oil and gas companies, which are engaged in the exploration and production (E&P) of North American unconventional oil and natural gas resources. The Company operates through seven segments: hydraulic fracturing, cementing, acidizing, coil tubing, flowback, surface drilling and Permian drilling. Its pressure pumping segment includes cementing and acidizing operations. The Company's operations are focused in the Permian Basin. As of December 31, 2016, the Company's fleet consisted of 10 hydraulic fracturing units with an aggregate of 420,000 hydraulic horsepower (HHP).