NexTier Oilfield Solutions, Inc.is an oilfield service company. The company is headquartered in Houston, Texas and currently employs 4,302 full-time employees. The company went IPO on 2017-01-20. The firm operates through two segments: Completion Services and, Well Construction and Intervention Services. Its Completion Services segment consists of various businesses and services lines, hydraulic fracturing services; wireline and pumping services, and completion support services, which includes its Power Solutions natural gas fueling business, its proppant last mile logistics and storage business, and its research and technology (R&T) department. Its Well Construction and Intervention Services segment consists of its cementing services business. Its cementing services include custom engineered mixing and blending equipment that provides annulus isolation and hydraulic seal, while protecting freshwater zones from its customers’ zone of interest.