Graham Corporation, together with its subsidiaries, engages in the design, manufacture, and sale of heat transfer and vacuum equipment for the chemical, petrochemical, refining, energy, defense, and electric power generating industries worldwide. The company offers heat transfer equipment, including surface condensers, Heliflows, water heaters, and various types of heat exchangers; and vacuum equipment consisting of steam jet ejector vacuum systems and liquid ring vacuum pumps. It also services and sells spare parts for its equipment; and supplies components used inside reactor vessels and outside containment vessels of nuclear power facilities. The company sells its products directly, as well as through independent sales representatives. Graham Corporation was founded in 1936 and is headquartered in Batavia, New York.