HMS Hydraulic Machines & Systems Group plc is a Russian company that manufactures and repairs pumps, compressors and modular equipment used in the oil and gas industry worldwide. The company operates through four segments, Industrial Pumps, Oil and Gas Equipment and Projects, Compressors, and Construction, and provides customized skid mounted modular equipment including water injection stations, oil and gas pumping and processing stations, and chemical dosing units. It also offers engineering and construction services for oil, gas and gas condensate fields development. HMS Hydraulic Machines & Systems Group plc was founded in 1993 and is headquartered in Moscow, Russia.