Mammoth Energy Services, Inc. engages in the exploration and development of North American onshore unconventional oil and natural gas reserves. The company is headquartered in Oklahoma City, Oklahoma and currently employs 639 full-time employees. The company went IPO on 2016-10-14. The firm's segments include Rentals, Infrastructure, Sand, Accommodations, and Drilling. Rentals segment provides construction, oilfield and aviation rentals to operators in the northeast and Midwest regions of the United States as well as Hawaii. Infrastructure segment provides fiber optic services. Sand segment provides sand mining, processing and selling services for use in hydraulic fracturing. Sand segment primarily services the Utica Shale and Montney Shale in British Columbia and Alberta, Canada. Accommodations segment provides housing, kitchen and dining, and recreational service facilities for oilfield workers located in remote areas away from readily available lodging in northern Alberta, Canada. Drilling segment provides directional drilling services primarily in the Anadarko and Permian Basins.