Key Energy Services, Inc. engages in onshore energy production services. It operates through the following segments: U.S. Rig Services, Fluid Management Services, Coiled Tubing Services, Fishing and Rental Services, International, and Functional Support. The U.S. Rig Services segment includes the completion of newly drilled wells, workover and recompletion of existing oil and natural gas wells, well maintenance, and the plugging and abandonment of wells. The Fluid Management Services segment involves in providing transportation and well-site storage services for fluids utilized in connection with drilling, completions, workover, and maintenance activities. The Coiled Tubing Services segment offers use of a continuous metal pipe spooled onto a large reel which is then deployed into oil and natural gas wells. The Fishing and Rental Services segment includes fishing services and rental equipment designed for use in providing onshore and offshore drilling and workover services. The International segment covers operations in Mexico and Russia. The Functional Support segment comprises of unallocated overhead costs associated with sales, safety, and administrative support for each of reporting segments. The company was founded on April 1977 and is headquartered in Houston, TX.