March Pump is a US Manufacturer specializing in the construction and assembly of magnetic drive pumps for various industries. March does as much molding and machining in house to ensure high quality and the ability to modify pumps as much as possible for any run size. March Pumps are used in both OEM and End User Applications, such as Boat Air Conditioners, Medical Systems, Chillers, Water Treatment, and Plating. March Manufacturing began in 1954 as a job shop performing precision machining for the aircraft industry and was founded by William Zimmermann.