Key Energy Services is one of the largest providers of onshore well service rigs in the United States and one of the leading onshore, rig-based well servicing contractors in the world. The company offers a range of rig-based well maintenance, completion and recompletion services. It also provides fluid management, pressure pumping, and fishing and rental solutions. Key Energy Services has operations in onshore oil and gas producing regions of the continental United States, as well as Argentina and Mexico. The company also has a technology development group based in Canada. It maintains a subsurface engineering and modeling company in the Russian Federation. Key Energy Services additionally offers oil field trucking and fluid hauling solutions.